-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2009 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* MSSQL Database Abstraction Layer

-* Minimum Requirement: DB2 8.2.2+

-* Minimum extension version: PECL ibm_db2 1.6.0+

-* @package dbal

-*/

-class phpbb_dbal_db2 extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'db2';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => 'integer',

- 'BINT' => 'float',

- 'UINT' => 'integer',

- 'UINT:' => 'integer',

- 'TINT:' => 'smallint',

- 'USINT' => 'smallint',

- 'BOOL' => 'smallint',

- 'VCHAR' => 'varchar(255)',

- 'VCHAR:' => 'varchar(%d)',

- 'CHAR:' => 'char(%d)',

- 'XSTEXT' => 'clob(65K)',

- 'STEXT' => 'varchar(3000)',

- 'TEXT' => 'clob(65K)',

- 'MTEXT' => 'clob(16M)',

- 'XSTEXT_UNI'=> 'varchar(100)',

- 'STEXT_UNI' => 'varchar(255)',

- 'TEXT_UNI' => 'clob(65K)',

- 'MTEXT_UNI' => 'clob(16M)',

- 'TIMESTAMP' => 'integer',

- 'DECIMAL' => 'float',

- 'VCHAR_UNI' => 'varchar(255)',

- 'VCHAR_UNI:'=> 'varchar(%d)',

- 'VARBINARY' => 'varchar(255)',

- );

-

- /**

- * @var array Database features

- */

- public $features = array(

- 'multi_insert' => true,

- 'count_distinct' => true,

- 'multi_table_deletion' => true,

- 'truncate' => false,

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server . (($port) ? ':' . $port : '');

- $this->dbname = $database;

- $this->port = $port;

-

- $this->db_connect_id = ($this->persistency) ? @db2_pconnect($this->dbname, $this->user, $password, array('autocommit' => DB2_AUTOCOMMIT_ON, 'DB2_ATTR_CASE' => DB2_CASE_LOWER)) : @db2_connect($this->dbname, $this->user, $password, array('autocommit' => DB2_AUTOCOMMIT_ON, 'DB2_ATTR_CASE' => DB2_CASE_LOWER));

-

- return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#db2_version')) === false)

- {

- $info = @db2_server_info($this->db_connect_id);

-

- $this->sql_server_info = is_object($info) ? $info->DBMS_VER : 0;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#db2_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : 'IBM DB2 ' . $this->sql_server_version;

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- $array = array();

-

- // Cope with queries larger than 32K

- if (strlen($query) > 32740)

- {

- if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/s', $query, $regs))

- {

- if (strlen($regs[3]) > 32740)

- {

- preg_match_all('/\'(?:[^\']++|\'\')*+\'|[\d-.]+/', $regs[3], $vals, PREG_PATTERN_ORDER);

-

- $inserts = $vals[0];

- unset($vals);

-

- foreach ($inserts as $key => $value)

- {

- // check to see if this thing is greater than the max + 'x2

- if (!empty($value) && $value[0] === "'" && strlen($value) > 32742)

- {

- $inserts[$key] = '?';

- $array[] = str_replace("''", "'", substr($value, 1, -1));

- }

- }

-

- $query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')';

- }

- }

- else if (preg_match_all('/^(UPDATE ([\\w_]++)\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+)\\s+(WHERE.*)$/s', $query, $data, PREG_SET_ORDER))

- {

- if (strlen($data[0][3]) > 32740)

- {

- $update = $data[0][1];

- $where = $data[0][4];

- preg_match_all('/(\\w++) = (\'(?:[^\']++|\'\')*+\'|\\d++)/', $data[0][3], $temp, PREG_SET_ORDER);

- unset($data);

-

- $cols = array();

- foreach ($temp as $value)

- {

- // check to see if this thing is greater than the max + 'x2

- if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 32742)

- {

- $array[] = str_replace("''", "'", substr($value[2], 1, -1));

- $cols[] = $value[1] . '=?';

- }

- else

- {

- $cols[] = $value[1] . '=' . $value[2];

- }

- }

-

- $query = $update . implode(', ', $cols) . ' ' . $where;

- unset($cols);

- }

- }

- }

-

- if (sizeof($array))

- {

- $result = @db2_prepare($this->db_connect_id, $query);

-

- if (!$result)

- {

- return false;

- }

-

- if (!@db2_execute($result, $array))

- {

- return false;

- }

- }

- else

- {

- $result = @db2_exec($this->db_connect_id, $query);

- }

-

- return $result;

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- if ($total && $offset == 0)

- {

- return $this->sql_query($query . ' fetch first ' . $total . ' rows only', $cache_ttl);

- }

-

- // Seek by $offset rows

- if ($offset)

- {

- $limit_sql = 'SELECT a2.*

- FROM (

- SELECT ROW_NUMBER() OVER() AS rownum, a1.*

- FROM (

- ' . $query . '

- ) a1

- ) a2

- WHERE a2.rownum BETWEEN ' . ($offset + 1) . ' AND ' . ($offset + $total);

-

- return $this->sql_query($limit_sql, $cache_ttl);

- }

-

- return $this->sql_query($query, $cache_ttl);

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @db2_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @db2_autocommit($this->db_connect_id, DB2_AUTOCOMMIT_OFF);

- break;

-

- case 'commit':

- $result = @db2_commit($this->db_connect_id);

- @db2_autocommit($this->db_connect_id, DB2_AUTOCOMMIT_ON);

- return $result;

- break;

-

- case 'rollback':

- $result = @db2_rollback($this->db_connect_id);

- @db2_autocommit($this->db_connect_id, DB2_AUTOCOMMIT_ON);

- return $result;

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @db2_num_rows($this->db_connect_id) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- if (function_exists('db2_last_insert_id'))

- {

- return @db2_last_insert_id($this->db_connect_id);

- }

-

- $result_id = @db2_exec($this->db_connect_id, 'VALUES IDENTITY_VAL_LOCAL()');

-

- if ($result_id)

- {

- if ($row = @db2_fetch_assoc($result_id))

- {

- @db2_free_result($result_id);

- return (int) $row[1];

- }

- @db2_free_result($result_id);

- }

-

- return false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- return @db2_fetch_assoc($query_id);

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @db2_free_result($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression . " ESCAPE '\\'";

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return @db2_escape_string($msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'LENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- if ($type == 'INSERT')

- {

- $stmt = db2_prepare($this->db_connect_id, "INSERT INTO $table (". implode(', ', array_keys($data)) . ") VALUES (" . substr(str_repeat('?, ', sizeof($data)) ,0, -1) . ')');

- }

- else

- {

- $query = "UPDATE $table SET ";

-

- $set = array();

- foreach (array_keys($data) as $key)

- {

- $set[] = "$key = ?";

- }

- $query .= implode(', ', $set);

-

- if ($where !== '')

- {

- $query .= $where;

- }

-

- $stmt = db2_prepare($this->db_connect_id, $query);

- }

-

- // get the stmt onto the top of the function arguments

- array_unshift($data, $stmt);

-

- call_user_func_array('db2_execute', $data);

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- $message = @db2_stmt_errormsg();

- $code = @db2_stmt_error();

-

- if (!$message && !$code)

- {

- $message = @db2_conn_errormsg();

- $code = @db2_conn_error();

- }

-

- $error = array(

- 'message' => $message,

- 'code' => $code,

- );

-

- return $error;

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'start':

-

- $html_table = false;

- @db2_exec($this->db_connect_id, 'DELETE FROM EXPLAIN_INSTANCE');

- @db2_exec($this->db_connect_id, 'EXPLAIN PLAN FOR ' . $query);

-

- // Get the data from the plan

- $sql = "SELECT O.Operator_ID, S2.Target_ID, O.Operator_Type, S.Object_Name, CAST(O.Total_Cost AS INTEGER) Cost

- FROM EXPLAIN_OPERATOR O

- LEFT OUTER JOIN EXPLAIN_STREAM S2 ON O.Operator_ID = S2.Source_ID

- LEFT OUTER JOIN EXPLAIN_STREAM S ON O.Operator_ID = S.Target_ID AND O.Explain_Time = S.Explain_Time AND S.Object_Name IS NOT NULL

- ORDER BY O.Explain_Time ASC, Operator_ID ASC";

- $query_id = @db2_exec($this->db_connect_id, $sql);

-

- if ($query_id)

- {

- while ($row = @db2_fetch_assoc($query_id))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

-

- @db2_free_result($query_id);

- }

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @db2_exec($this->db_connect_id, $query);

- while ($void = @db2_fetch_assoc($result, IBASE_TEXT))

- {

- // Take the time spent on parsing rows into account

- }

- @db2_free_result($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2007 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Database Tools for handling cross-db actions such as altering columns, etc.

-*

-* @package dbal

-*/

-class phpbb_db_tools

-{

- /**

- * @var object DB object

- */

- public $db = NULL;

-

- /**

- * A list of types being unsigned for better reference in some db's

- * @var array

- */

- public $unsigned_types = array('UINT', 'UINT:', 'USINT', 'BOOL', 'TIMESTAMP');

-

- /**

- * A list of supported DBMS. We change this class to support more DBMS, the DBMS itself only need to follow some rules.

- * @var array

- */

- public $supported_dbms = array('mysql', 'mssql', 'sqlite', 'oracle', 'firebird', 'db2', 'postgres');

-

- /**

- * This is set to true if user only wants to return the 'to-be-executed' SQL statement(s) (as an array).

- * This mode has no effect on some methods (inserting of data for example). This is expressed within the methods command.

- */

- public $return_statements = false;

-

- /**

- * Constructor. Set DB Object and set {@link $return_statements return_statements}.

- *

- * @param phpbb_dbal $db DBAL object

- * @param bool $return_statements True if only statements should be returned and no SQL being executed

- */

- public function __construct(phpbb_dbal $db, $return_statements = false)

- {

- $this->db = $db;

- $this->return_statements = $return_statements;

-

- if (!in_array($this->db->dbms_type, $this->supported_dbms))

- {

- trigger_error('DBMS Type ' . $this->db->dbms_type . ' not supported by DB Tools.', E_USER_ERROR);

- }

- }

-

- /**

- * Create SQL Table

- *

- * @param string $table_name The table name to create

- * @param array $table_data Array containing table data. For a sample layout see {@example }

- * @return array Statements if $return_statements is true.

- */

- public function sql_create_table($table_name, $table_data)

- {

- // holds the DDL for a column

- $columns = $statements = array();

-

- // Begin transaction

- $statements[] = 'begin';

-

- // Determine if we have created a PRIMARY KEY in the earliest

- $primary_key_gen = false;

-

- // Determine if the table must be created with TEXTIMAGE

- $create_textimage = false;

-

- // Determine if the table requires a sequence

- $create_sequence = false;

-

- // Begin table sql statement

- switch ($this->sql_layer)

- {

- case 'mssql':

- $table_sql = 'CREATE TABLE [' . $table_name . '] (' . "\n";

- break;

-

- default:

- $table_sql = 'CREATE TABLE ' . $table_name . ' (' . "\n";

- break;

- }

-

- // Iterate through the columns to create a table

- foreach ($table_data['COLUMNS'] as $column_name => $column_data)

- {

- // here lies an array, filled with information compiled on the column's data

- $prepared_column = $this->sql_prepare_column_data($table_name, $column_name, $column_data);

-

- // here we add the definition of the new column to the list of columns

- switch ($this->sql_layer)

- {

- case 'mssql':

- $columns[] = "\t [{$column_name}] " . $prepared_column['column_type_sql_default'];

- break;

-

- default:

- $columns[] = "\t {$column_name} " . $prepared_column['column_type_sql'];

- break;

- }

-

- // see if we have found a primary key set due to a column definition if we have found it, we can stop looking

- if (!$primary_key_gen)

- {

- $primary_key_gen = isset($prepared_column['primary_key_set']) && $prepared_column['primary_key_set'];

- }

-

- // create textimage DDL based off of the existance of certain column types

- if (!$create_textimage)

- {

- $create_textimage = isset($prepared_column['textimage']) && $prepared_column['textimage'];

- }

-

- // create sequence DDL based off of the existance of auto incrementing columns

- if (!$create_sequence && isset($prepared_column['auto_increment']) && $prepared_column['auto_increment'])

- {

- $create_sequence = $column_name;

- }

- }

-

- // this makes up all the columns in the create table statement

- $table_sql .= implode(",\n", $columns);

-

- // Close the table for two DBMS and add to the statements

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- $table_sql .= "\n);";

- $statements[] = $table_sql;

- break;

-

- case 'mssql':

- $table_sql .= "\n) ON [PRIMARY]" . (($create_textimage) ? ' TEXTIMAGE_ON [PRIMARY]' : '');

- $statements[] = $table_sql;

- break;

- }

-

- // we have yet to create a primary key for this table,

- // this means that we can add the one we really wanted instead

- if (!$primary_key_gen)

- {

- // Write primary key

- if (isset($table_data['PRIMARY_KEY']))

- {

- if (!is_array($table_data['PRIMARY_KEY']))

- {

- $table_data['PRIMARY_KEY'] = array($table_data['PRIMARY_KEY']);

- }

-

- switch ($this->db->dbms_type)

- {

- case 'mysql':

- case 'postgres':

- case 'db2':

- case 'sqlite':

- $table_sql .= ",\n\t PRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . ')';

- break;

-

- case 'firebird':

- case 'mssql':

- $primary_key_stmts = $this->sql_create_primary_key($table_name, $table_data['PRIMARY_KEY']);

- foreach ($primary_key_stmts as $pk_stmt)

- {

- $statements[] = $pk_stmt;

- }

- break;

-

- case 'oracle':

- $table_sql .= ",\n\t CONSTRAINT pk_{$table_name} PRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . ')';

- break;

- }

- }

- }

-

- // close the table

- switch ($this->db->dbms_type)

- {

- case 'mysql':

- // make sure the table is in UTF-8 mode

- $table_sql .= "\n) CHARACTER SET `utf8` COLLATE `utf8_bin`;";

- $statements[] = $table_sql;

- break;

-

- case 'postgres':

- // do we need to add a sequence for auto incrementing columns?

- if ($create_sequence)

- {

- $statements[] = "CREATE SEQUENCE {$table_name}_seq;";

- }

-

- $table_sql .= "\n);";

- $statements[] = $table_sql;

- break;

-

- case 'db2':

- case 'sqlite':

- $table_sql .= "\n);";

- $statements[] = $table_sql;

- break;

-

- case 'oracle':

- $table_sql .= "\n);";

- $statements[] = $table_sql;

-

- // do we need to add a sequence and a tigger for auto incrementing columns?

- if ($create_sequence)

- {

- // create the actual sequence

- $statements[] = "CREATE SEQUENCE {$table_name}_seq";

-

- // the trigger is the mechanism by which we increment the counter

- $trigger = "CREATE OR REPLACE TRIGGER t_{$table_name}\n";

- $trigger .= "BEFORE INSERT ON {$table_name}\n";

- $trigger .= "FOR EACH ROW WHEN (\n";

- $trigger .= "\tnew.{$create_sequence} IS NULL OR new.{$create_sequence} = 0\n";

- $trigger .= ")\n";

- $trigger .= "BEGIN\n";

- $trigger .= "\tSELECT {$table_name}_seq.nextval\n";

- $trigger .= "\tINTO :new.{$create_sequence}\n";

- $trigger .= "\tFROM dual\n";

- $trigger .= "END;";

-

- $statements[] = $trigger;

- }

- break;

-

- case 'firebird':

- if ($create_sequence)

- {

- $statements[] = "CREATE SEQUENCE {$table_name}_seq;";

- }

- break;

- }

-

- // Write Keys

- if (isset($table_data['KEYS']))

- {

- foreach ($table_data['KEYS'] as $key_name => $key_data)

- {

- if (!is_array($key_data[1]))

- {

- $key_data[1] = array($key_data[1]);

- }

-

- $old_return_statements = $this->return_statements;

- $this->return_statements = true;

-

- $key_stmts = ($key_data[0] == 'UNIQUE') ? $this->sql_create_unique_index($table_name, $key_name, $key_data[1]) : $this->sql_create_index($table_name, $key_name, $key_data[1]);

-

- foreach ($key_stmts as $key_stmt)

- {

- $statements[] = $key_stmt;

- }

-

- $this->return_statements = $old_return_statements;

- }

- }

-

- // Commit Transaction

- $statements[] = 'commit';

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * Handle passed database update array. Update table schema.

- *

- * Key being one of the following

- * <pre>

- * change_columns - Column changes (only type, not name)

- * add_columns - Add columns to a table

- * drop_keys - Dropping keys

- * drop_columns - Removing/Dropping columns

- * add_primary_keys - adding primary keys

- * add_unique_index - adding an unique index

- * add_index - adding an index

- * </pre>

- *

- * For a complete definition of the layout please see {@example }

- *

- * @param array $schema_changes The schema array

- */

- public function sql_schema_changes($schema_changes)

- {

- if (empty($schema_changes))

- {

- return;

- }

-

- $statements = array();

-

- // Change columns?

- if (!empty($schema_changes['change_columns']))

- {

- foreach ($schema_changes['change_columns'] as $table => $columns)

- {

- foreach ($columns as $column_name => $column_data)

- {

- // If the column exists we change it, else we add it ;)

- if ($this->sql_column_exists($table, $column_name))

- {

- $result = $this->sql_column_change($table, $column_name, $column_data);

- }

- else

- {

- $result = $this->sql_column_add($table, $column_name, $column_data);

- }

-

- if ($this->return_statements)

- {

- $statements = array_merge($statements, $result);

- }

- }

- }

- }

-

- // Add columns?

- if (!empty($schema_changes['add_columns']))

- {

- foreach ($schema_changes['add_columns'] as $table => $columns)

- {

- foreach ($columns as $column_name => $column_data)

- {

- // Only add the column if it does not exist yet, else change it (to be consistent)

- if ($this->sql_column_exists($table, $column_name))

- {

- $result = $this->sql_column_change($table, $column_name, $column_data);

- }

- else

- {

- $result = $this->sql_column_add($table, $column_name, $column_data);

- }

-

- if ($this->return_statements)

- {

- $statements = array_merge($statements, $result);

- }

- }

- }

- }

-

- // Remove keys?

- if (!empty($schema_changes['drop_keys']))

- {

- foreach ($schema_changes['drop_keys'] as $table => $indexes)

- {

- foreach ($indexes as $index_name)

- {

- $result = $this->sql_index_drop($table, $index_name);

-

- if ($this->return_statements)

- {

- $statements = array_merge($statements, $result);

- }

- }

- }

- }

-

- // Drop columns?

- if (!empty($schema_changes['drop_columns']))

- {

- foreach ($schema_changes['drop_columns'] as $table => $columns)

- {

- foreach ($columns as $column)

- {

- // Only remove the column if it exists...

- if ($this->sql_column_exists($table, $column))

- {

- $result = $this->sql_column_remove($table, $column);

-

- if ($this->return_statements)

- {

- $statements = array_merge($statements, $result);

- }

- }

- }

- }

- }

-

- // Add primary keys?

- if (!empty($schema_changes['add_primary_keys']))

- {

- foreach ($schema_changes['add_primary_keys'] as $table => $columns)

- {

- $result = $this->sql_create_primary_key($table, $columns);

-

- if ($this->return_statements)

- {

- $statements = array_merge($statements, $result);

- }

- }

- }

-

- // Add unqiue indexes?

- if (!empty($schema_changes['add_unique_index']))

- {

- foreach ($schema_changes['add_unique_index'] as $table => $index_array)

- {

- foreach ($index_array as $index_name => $column)

- {

- $result = $this->sql_create_unique_index($table, $index_name, $column);

-

- if ($this->return_statements)

- {

- $statements = array_merge($statements, $result);

- }

- }

- }

- }

-

- // Add indexes?

- if (!empty($schema_changes['add_index']))

- {

- foreach ($schema_changes['add_index'] as $table => $index_array)

- {

- foreach ($index_array as $index_name => $column)

- {

- $result = $this->sql_create_index($table, $index_name, $column);

-

- if ($this->return_statements)

- {

- $statements = array_merge($statements, $result);

- }

- }

- }

- }

-

- if ($this->return_statements)

- {

- return $statements;

- }

- }

-

- /**

- * Insert SQL data into tables (INSERT). This function DOES NOT SUPPORT $return_statements. SQL queries are executed as is.

- * For a complete definition of the layout see {@example }

- *

- * @param array $schema_data The schema data array

- * @param array &$data A replacement array for replacing template variables within the schema

- */

- public function sql_insert_data($schema_data, &$data)

- {

- // Go through the columns and define our type and column name for each column

- $keys = $types = array();

-

- foreach ($schema_data['columns'] as $column)

- {

- if (strpos($column, ':') === false)

- {

- $types[] = false;

- $keys[] = $column;

- continue;

- }

-

- list($type, $column) = explode(':', $column, 2);

- $types[] = $type;

- $keys[] = $column;

- }

-

- $size = sizeof($keys);

-

- // Go through the data array...

- foreach ($schema_data['data'] as $key => $row)

- {

- // Get special values

- foreach ($row as $_key => $value)

- {

- // Special case...

- $row[$_key] = $this->_sql_get_special_row($value, $data);

-

- if ($types[$_key] === false)

- {

- settype($row[$_key], gettype($row[$_key]));

- }

- else

- {

- settype($row[$_key], $types[$_key]);

- }

- }

-

- // Build SQL array for INSERT

- $sql = 'INSERT INTO ' . $schema_data['table'] . ' ' . $this->db->sql_build_array('INSERT', array_combine($keys, $row));

- $this->db->sql_query($sql);

-

- if (!empty($schema_data['store_auto_increment']))

- {

- $this->stored_increments[$schema_data['store_auto_increment']][$key] = $this->db->sql_nextid();

- }

- }

- }

-

- /**

- * Update SQL data in tables (UPDATE). This function DOES NOT SUPPORT $return_statements. SQL queries are executed as is.

- * For a complete definition of the layout see {@example }

- *

- * @param array $schema_data The schema data array

- * @param array &$data A replacement array for replacing template variables within the schema

- */

- public function sql_update_data($schema_data, &$data)

- {

- // Go through the data array...

- $row = $schema_data['data'];

-

- // Get special values

- foreach ($row as $key => $value)

- {

- $row[$key] = $this->_sql_get_special_row($value, $data);

- }

-

- // Build SQL array for UPDATE

- $sql_ary = array_combine(array_values($schema_data['columns']), $row);

-

- $sql = 'UPDATE ' . $schema_data['table'] . ' SET ' . $this->db->sql_build_array('UPDATE', $sql_ary);

-

- // Is WHERE statement there?

- if (!empty($schema_data['where']))

- {

- $where_statements = array();

- foreach ($schema_data['where'] as $_key => $array)

- {

- foreach ($array as $key => $value)

- {

- $value = $this->_sql_get_special_row($value, $data);

-

- if (is_string($value))

- {

- $where_statements[] = $key . " = '" . $this->db->sql_escape($value) . "'";

- }

- else

- {

- $where_statements[] = $key . ' = ' . $value;

- }

- }

- }

-

- if (sizeof($where_statements))

- {

- $sql .= ' WHERE ' . implode(' AND ', $where_statements);

- }

- }

-

- $this->db->sql_query($sql);

- }

-

- /**

- * Check if a specified column exist

- *

- * @param string $table Table to check the column at

- * @param string $column_name The column to check

- *

- * @return bool True if column exists, else false

- */

- public function sql_column_exists($table, $column_name)

- {

- switch ($this->db->dbms_type)

- {

- case 'mysql':

-

- $sql = "SHOW COLUMNS FROM $table";

- $result = $this->db->sql_query($sql);

-

- while ($row = $this->db->sql_fetchrow($result))

- {

- // lower case just in case

- if (strtolower($row['Field']) == $column_name)

- {

- $this->db->sql_freeresult($result);

- return true;

- }

- }

- $this->db->sql_freeresult($result);

- return false;

- break;

-

- // PostgreSQL has a way of doing this in a much simpler way but would

- // not allow us to support all versions of PostgreSQL

- case 'postgres':

- $sql = "SELECT a.attname

- FROM pg_class c, pg_attribute a

- WHERE c.relname = '{$table}'

- AND a.attnum > 0

- AND a.attrelid = c.oid";

- $result = $this->db->sql_query($sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- // lower case just in case

- if (strtolower($row['attname']) == $column_name)

- {

- $this->db->sql_freeresult($result);

- return true;

- }

- }

- $this->db->sql_freeresult($result);

-

- return false;

- break;

-

- // same deal with PostgreSQL, we must perform more complex operations than

- // we technically could

- case 'mssql':

- $sql = "SELECT c.name

- FROM syscolumns c

- LEFT JOIN sysobjects o ON c.id = o.id

- WHERE o.name = '{$table}'";

- $result = $this->db->sql_query($sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- // lower case just in case

- if (strtolower($row['name']) == $column_name)

- {

- $this->db->sql_freeresult($result);

- return true;

- }

- }

- $this->db->sql_freeresult($result);

- return false;

- break;

-

- case 'oracle':

- $sql = "SELECT column_name

- FROM user_tab_columns

- WHERE table_name = '{$table}'";

- $result = $this->db->sql_query($sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- // lower case just in case

- if (strtolower($row['column_name']) == $column_name)

- {

- $this->db->sql_freeresult($result);

- return true;

- }

- }

- $this->db->sql_freeresult($result);

- return false;

- break;

-

- case 'firebird':

- $sql = "SELECT RDB\$FIELD_NAME as FNAME

- FROM RDB\$RELATION_FIELDS

- WHERE RDB\$RELATION_NAME = '{$table}'";

- $result = $this->db->sql_query($sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- // lower case just in case

- if (strtolower($row['fname']) == $column_name)

- {

- $this->db->sql_freeresult($result);

- return true;

- }

- }

- $this->db->sql_freeresult($result);

- return false;

- break;

-

- case 'db2':

- $sql = "SELECT colname

- FROM syscat.columns

- WHERE tabname = '$table'";

- $result = $this->db->sql_query($sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- // lower case just in case

- if (strtolower($row['colname']) == $column_name)

- {

- $this->db->sql_freeresult($result);

- return true;

- }

- }

- $this->db->sql_freeresult($result);

- return false;

- break;

-

- // ugh, SQLite

- case 'sqlite':

- $sql = "SELECT sql

- FROM sqlite_master

- WHERE type = 'table'

- AND name = '{$table}'";

- $result = $this->db->sql_query($sql);

-

- if (!$result)

- {

- return false;

- }

-

- $row = $this->db->sql_fetchrow($result);

- $this->db->sql_freeresult($result);

-

- preg_match('#\((.*)\)#s', $row['sql'], $matches);

-

- $cols = trim($matches[1]);

- $col_array = preg_split('/,(?![\s\w]+\))/m', $cols);

-

- foreach ($col_array as $declaration)

- {

- $entities = preg_split('#\s+#', trim($declaration));

- if ($entities[0] == 'PRIMARY')

- {

- continue;

- }

-

- if (strtolower($entities[0]) == $column_name)

- {

- return true;

- }

- }

- return false;

- break;

- }

- }

-

- /**

- * Add new column

- */

- public function sql_column_add($table_name, $column_name, $column_data)

- {

- $column_data = $this->sql_prepare_column_data($table_name, $column_name, $column_data);

- $statements = array();

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- $statements[] = 'ALTER TABLE "' . $table_name . '" ADD "' . $column_name . '" ' . $column_data['column_type_sql'];

- break;

-

- case 'mssql':

- $statements[] = 'ALTER TABLE [' . $table_name . '] ADD [' . $column_name . '] ' . $column_data['column_type_sql_default'];

- break;

-

- case 'mysql':

- $statements[] = 'ALTER TABLE `' . $table_name . '` ADD COLUMN `' . $column_name . '` ' . $column_data['column_type_sql'];

- break;

-

- case 'oracle':

- $statements[] = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' ' . $column_data['column_type_sql'];

- break;

-

- case 'postgres':

- $statements[] = 'ALTER TABLE ' . $table_name . ' ADD COLUMN "' . $column_name . '" ' . $column_data['column_type_sql'];

- break;

-

- case 'db2':

- $statements[] = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' ' . $column_data['column_type_sql'];

- break;

-

- case 'sqlite':

- if (version_compare(sqlite_libversion(), '3.0') == -1)

- {

- $sql = "SELECT sql

- FROM sqlite_master

- WHERE type = 'table'

- AND name = '{$table_name}'

- ORDER BY type DESC, name;";

- $result = $this->db->sql_query($sql);

-

- if (!$result)

- {

- break;

- }

-

- $row = $this->db->sql_fetchrow($result);

- $this->db->sql_freeresult($result);

-

- $statements[] = 'begin';

-

- // Create a backup table and populate it, destroy the existing one

- $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']);

- $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name;

- $statements[] = 'DROP TABLE ' . $table_name;

-

- preg_match('#\((.*)\)#s', $row['sql'], $matches);

-

- $new_table_cols = trim($matches[1]);

- $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols);

- $column_list = array();

-

- foreach ($old_table_cols as $declaration)

- {

- $entities = preg_split('#\s+#', trim($declaration));

- if ($entities[0] == 'PRIMARY')

- {

- continue;

- }

- $column_list[] = $entities[0];

- }

-

- $columns = implode(',', $column_list);

-

- $new_table_cols = $column_name . ' ' . $column_data['column_type_sql'] . ',' . $new_table_cols;

-

- // create a new table and fill it up. destroy the temp one

- $statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ');';

- $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;';

- $statements[] = 'DROP TABLE ' . $table_name . '_temp';

-

- $statements[] = 'commit';

- }

- else

- {

- $statements[] = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' [' . $column_data['column_type_sql'] . ']';

- }

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * Drop column

- */

- public function sql_column_remove($table_name, $column_name)

- {

- $statements = array();

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- $statements[] = 'ALTER TABLE "' . $table_name . '" DROP "' . $column_name . '"';

- break;

-

- case 'mssql':

- $statements[] = 'ALTER TABLE [' . $table_name . '] DROP COLUMN [' . $column_name . ']';

- break;

-

- case 'mysql':

- $statements[] = 'ALTER TABLE `' . $table_name . '` DROP COLUMN `' . $column_name . '`';

- break;

-

- case 'oracle':

- $statements[] = 'ALTER TABLE ' . $table_name . ' DROP ' . $column_name;

- break;

-

- case 'postgres':

- $statements[] = 'ALTER TABLE ' . $table_name . ' DROP COLUMN "' . $column_name . '"';

- break;

-

- case 'db2':

- $statements[] = 'ALTER TABLE ' . $table_name . ' DROP ' . $column_name;

- break;

-

- case 'sqlite':

- if (version_compare(sqlite_libversion(), '3.0') == -1)

- {

- $sql = "SELECT sql

- FROM sqlite_master

- WHERE type = 'table'

- AND name = '{$table_name}'

- ORDER BY type DESC, name;";

- $result = $this->db->sql_query($sql);

-

- if (!$result)

- {

- break;

- }

-

- $row = $this->db->sql_fetchrow($result);

- $this->db->sql_freeresult($result);

-

- $statements[] = 'begin';

-

- // Create a backup table and populate it, destroy the existing one

- $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']);

- $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name;

- $statements[] = 'DROP TABLE ' . $table_name;

-

- preg_match('#\((.*)\)#s', $row['sql'], $matches);

-

- $new_table_cols = trim($matches[1]);

- $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols);

- $column_list = array();

-

- foreach ($old_table_cols as $declaration)

- {

- $entities = preg_split('#\s+#', trim($declaration));

- if ($entities[0] == 'PRIMARY' || $entities[0] === $column_name)

- {

- continue;

- }

- $column_list[] = $entities[0];

- }

-

- $columns = implode(',', $column_list);

-

- $new_table_cols = $new_table_cols = preg_replace('/' . $column_name . '[^,]+(?:,|$)/m', '', $new_table_cols);

-

- // create a new table and fill it up. destroy the temp one

- $statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ');';

- $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;';

- $statements[] = 'DROP TABLE ' . $table_name . '_temp';

-

- $statements[] = 'commit';

- }

- else

- {

- $statements[] = 'ALTER TABLE ' . $table_name . ' DROP COLUMN ' . $column_name;

- }

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * Drop Index

- */

- public function sql_index_drop($table_name, $index_name)

- {

- $statements = array();

-

- switch ($this->db->dbms_type)

- {

- case 'mssql':

- $statements[] = 'DROP INDEX ' . $table_name . '.' . $index_name;

- break;

-

- case 'mysql':

- $statements[] = 'DROP INDEX ' . $index_name . ' ON ' . $table_name;

- break;

-

- case 'firebird':

- case 'oracle':

- case 'postgres':

- case 'sqlite':

- case 'db2':

- $statements[] = 'DROP INDEX ' . $table_name . '_' . $index_name;

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * Drop Table

- */

- public function sql_table_drop($table_name)

- {

- $statements = array();

-

- // the most basic operation, get rid of the table

- $statements[] = 'DROP TABLE ' . $table_name;

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- $sql = 'SELECT RDB$GENERATOR_NAME as gen

- FROM RDB$GENERATORS

- WHERE RDB$SYSTEM_FLAG = 0

- AND RDB$GENERATOR_NAME = \'' . strtoupper($table_name) . "_GEN'";

- $result = $this->db->sql_query($sql);

-

- // does a generator exist?

- if ($row = $this->db->sql_fetchrow($result))

- {

- $statements[] = "DROP GENERATOR {$row['gen']};";

- }

- $this->db->sql_freeresult($result);

- break;

-

- case 'oracle':

- $sql = 'SELECT A.REFERENCED_NAME

- FROM USER_DEPENDENCIES A, USER_TRIGGERS B

- WHERE A.REFERENCED_TYPE = \'SEQUENCE\'

- AND A.NAME = B.TRIGGER_NAME

- AND B.TABLE_NAME = \'' . strtoupper($table_name) . "'";

- $result = $this->db->sql_query($sql);

-

- // any sequences ref'd to this table's triggers?

- while ($row = $this->db->sql_fetchrow($result))

- {

- $statements[] = "DROP SEQUENCE {$row['referenced_name']}";

- }

- $this->db->sql_freeresult($result);

-

- case 'postgres':

- // PGSQL does not "tightly" bind sequences and tables, we must guess...

- $sql = "SELECT relname

- FROM pg_class

- WHERE relkind = 'S'

- AND relname = '{$table_name}_seq'";

- $result = $this->db->sql_query($sql);

-

- // We don't even care about storing the results. We already know the answer if we get rows back.

- if ($this->db->sql_fetchrow($result))

- {

- $statements[] = "DROP SEQUENCE {$table_name}_seq;\n";

- }

- $this->db->sql_freeresult($result);

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * Add primary key

- */

- public function sql_create_primary_key($table_name, $column)

- {

- $statements = array();

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- case 'postgres':

- case 'mysql':

- case 'db2':

- $statements[] = 'ALTER TABLE ' . $table_name . ' ADD PRIMARY KEY (' . implode(', ', $column) . ')';

- break;

-

- case 'mssql':

- $sql = "ALTER TABLE [{$table_name}] WITH NOCHECK ADD ";

- $sql .= "CONSTRAINT [PK_{$table_name}] PRIMARY KEY CLUSTERED (";

- $sql .= '[' . implode("],\n\t\t[", $column) . ']';

- $sql .= ') ON [PRIMARY]';

-

- $statements[] = $sql;

- break;

-

- case 'oracle':

- $statements[] = 'ALTER TABLE ' . $table_name . 'add CONSTRAINT pk_' . $table_name . ' PRIMARY KEY (' . implode(', ', $column) . ')';

- break;

-

- case 'sqlite':

- $sql = "SELECT sql

- FROM sqlite_master

- WHERE type = 'table'

- AND name = '{$table_name}'

- ORDER BY type DESC, name;";

- $result = $this->db->sql_query($sql);

-

- if (!$result)

- {

- break;

- }

-

- $row = $this->db->sql_fetchrow($result);

- $this->db->sql_freeresult($result);

-

- $statements[] = 'begin';

-

- // Create a backup table and populate it, destroy the existing one

- $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']);

- $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name;

- $statements[] = 'DROP TABLE ' . $table_name;

-

- preg_match('#\((.*)\)#s', $row['sql'], $matches);

-

- $new_table_cols = trim($matches[1]);

- $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols);

- $column_list = array();

-

- foreach ($old_table_cols as $declaration)

- {

- $entities = preg_split('#\s+#', trim($declaration));

- if ($entities[0] == 'PRIMARY')

- {

- continue;

- }

- $column_list[] = $entities[0];

- }

-

- $columns = implode(',', $column_list);

-

- // create a new table and fill it up. destroy the temp one

- $statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ', PRIMARY KEY (' . implode(', ', $column) . '));';

- $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;';

- $statements[] = 'DROP TABLE ' . $table_name . '_temp';

-

- $statements[] = 'commit';

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * Add unique index

- */

- public function sql_create_unique_index($table_name, $index_name, $column)

- {

- $statements = array();

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- case 'postgres':

- case 'oracle':

- case 'sqlite':

- case 'db2':

- $statements[] = 'CREATE UNIQUE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';

- break;

-

- case 'mysql':

- $statements[] = 'CREATE UNIQUE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';

- break;

-

- case 'mssql':

- $statements[] = 'CREATE UNIQUE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ') ON [PRIMARY]';

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * Add index

- */

- public function sql_create_index($table_name, $index_name, $column)

- {

- $statements = array();

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- case 'postgres':

- case 'oracle':

- case 'sqlite':

- case 'db2':

- $statements[] = 'CREATE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';

- break;

-

- case 'mysql':

- $statements[] = 'CREATE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';

- break;

-

- case 'mssql':

- $statements[] = 'CREATE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ') ON [PRIMARY]';

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- /**

- * List all of the indices that belong to a table,

- * does not count:

- * * UNIQUE indices

- * * PRIMARY keys

- */

- public function sql_list_index($table_name)

- {

- $index_array = array();

-

- if ($this->db->dbms_type == 'mssql')

- {

- $sql = "EXEC sp_statistics '$table_name'";

- $result = $this->db->sql_query($sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- if ($row['TYPE'] == 3)

- {

- $index_array[] = $row['INDEX_NAME'];

- }

- }

- $this->db->sql_freeresult($result);

- }

- else

- {

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- $sql = "SELECT LOWER(RDB\$INDEX_NAME) as index_name

- FROM RDB\$INDICES

- WHERE RDB\$RELATION_NAME = " . strtoupper($table_name) . "

- AND RDB\$UNIQUE_FLAG IS NULL

- AND RDB\$FOREIGN_KEY IS NULL";

- $col = 'index_name';

- break;

-

- case 'postgres':

- $sql = "SELECT ic.relname as index_name

- FROM pg_class bc, pg_class ic, pg_index i

- WHERE (bc.oid = i.indrelid)

- AND (ic.oid = i.indexrelid)

- AND (bc.relname = '" . $table_name . "')

- AND (i.indisunique != 't')

- AND (i.indisprimary != 't')";

- $col = 'index_name';

- break;

-

- case 'mysql':

- $sql = 'SHOW KEYS

- FROM ' . $table_name;

- $col = 'Key_name';

- break;

-

- case 'oracle':

- $sql = "SELECT index_name

- FROM user_indexes

- WHERE table_name = '" . $table_name . "'

- AND generated = 'N'";

- $col = 'index_name';

- break;

-

- case 'sqlite':

- $sql = "PRAGMA index_info('" . $table_name . "');";

- $col = 'name';

- break;

-

- case 'db2':

- $sql = "SELECT indname

- FROM SYSCAT.INDEXES

- WHERE TABNAME = '$table_name'

- AND UNIQUERULE <> 'P'";

- $col = 'name';

- }

-

- $result = $this->db->sql_query($sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- if ($this->db->dbms_type == 'mysql' && !$row['Non_unique'])

- {

- continue;

- }

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- case 'oracle':

- case 'postgres':

- case 'sqlite':

- case 'db2':

- $row[$col] = substr($row[$col], strlen($table_name) + 1);

- break;

- }

-

- $index_array[] = $row[$col];

- }

- $this->db->sql_freeresult($result);

- }

-

- return array_map('strtolower', $index_array);

- }

-

- /**

- * Change column type (not name!)

- */

- public function sql_column_change($table_name, $column_name, $column_data)

- {

- $column_data = $this->sql_prepare_column_data($table_name, $column_name, $column_data);

- $statements = array();

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- // Change type...

- $statements[] = 'ALTER TABLE "' . $table_name . '" ALTER COLUMN "' . $column_name . '" TYPE ' . ' ' . $column_data['column_type_sql'];

- break;

-

- case 'mssql':

- $statements[] = 'ALTER TABLE [' . $table_name . '] ALTER COLUMN [' . $column_name . '] ' . $column_data['column_type_sql'];

- break;

-

- case 'mysql':

- $statements[] = 'ALTER TABLE `' . $table_name . '` CHANGE `' . $column_name . '` `' . $column_name . '` ' . $column_data['column_type_sql'];

- break;

-

- case 'oracle':

- $statements[] = 'ALTER TABLE ' . $table_name . ' MODIFY ' . $column_name . ' ' . $column_data['column_type_sql'];

- break;

-

- case 'db2':

- $statements[] = 'ALTER TABLE ' . $table_name . ' ALTER ' . $column_name . ' SET DATA TYPE ' . $column_data['column_type_sql'];

- break;

-

- case 'postgres':

- $sql = 'ALTER TABLE ' . $table_name . ' ';

-

- $sql_array = array();

- $sql_array[] = 'ALTER COLUMN ' . $column_name . ' TYPE ' . $column_data['column_type'];

-

- if (isset($column_data['null']))

- {

- if ($column_data['null'] == 'NOT NULL')

- {

- $sql_array[] = 'ALTER COLUMN ' . $column_name . ' SET NOT NULL';

- }

- else if ($column_data['null'] == 'NULL')

- {

- $sql_array[] = 'ALTER COLUMN ' . $column_name . ' DROP NOT NULL';

- }

- }

-

- if (isset($column_data['default']))

- {

- $sql_array[] = 'ALTER COLUMN ' . $column_name . ' SET DEFAULT ' . $column_data['default'];

- }

-

- // we don't want to double up on constraints if we change different number data types

- if (isset($column_data['constraint']))

- {

- $constraint_sql = "SELECT consrc as constraint_data

- FROM pg_constraint, pg_class bc

- WHERE conrelid = bc.oid

- AND bc.relname = '{$table_name}'

- AND NOT EXISTS (

- SELECT *

- FROM pg_constraint as c, pg_inherits as i

- WHERE i.inhrelid = pg_constraint.conrelid

- AND c.conname = pg_constraint.conname

- AND c.consrc = pg_constraint.consrc

- AND c.conrelid = i.inhparent

- )";

-

- $constraint_exists = false;

-

- $result = $this->db->sql_query($constraint_sql);

- while ($row = $this->db->sql_fetchrow($result))

- {

- if (trim($row['constraint_data']) == trim($column_data['constraint']))

- {

- $constraint_exists = true;

- break;

- }

- }

- $this->db->sql_freeresult($result);

-

- if (!$constraint_exists)

- {

- $sql_array[] = 'ADD ' . $column_data['constraint'];

- }

- }

-

- $sql .= implode(', ', $sql_array);

-

- $statements[] = $sql;

- break;

-

- case 'sqlite':

- $sql = "SELECT sql

- FROM sqlite_master

- WHERE type = 'table'

- AND name = '{$table_name}'

- ORDER BY type DESC, name;";

- $result = $this->db->sql_query($sql);

-

- if (!$result)

- {

- break;

- }

-

- $row = $this->db->sql_fetchrow($result);

- $this->db->sql_freeresult($result);

-

- $statements[] = 'begin';

-

- // Create a temp table and populate it, destroy the existing one

- $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']);

- $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name;

- $statements[] = 'DROP TABLE ' . $table_name;

-

- preg_match('#\((.*)\)#s', $row['sql'], $matches);

-

- $new_table_cols = trim($matches[1]);

- $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols);

- $column_list = array();

-

- foreach ($old_table_cols as $key => $declaration)

- {

- $entities = preg_split('#\s+#', trim($declaration));

- $column_list[] = $entities[0];

- if ($entities[0] == $column_name)

- {

- $old_table_cols[$key] = $column_name . ' ' . $column_data['column_type_sql'];

- }

- }

-

- $columns = implode(',', $column_list);

-

- // create a new table and fill it up. destroy the temp one

- $statements[] = 'CREATE TABLE ' . $table_name . ' (' . implode(',', $old_table_cols) . ');';

- $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;';

- $statements[] = 'DROP TABLE ' . $table_name . '_temp';

-

- $statements[] = 'commit';

-

- break;

- }

-

- return $this->_sql_run_sql($statements);

- }

-

- private function _sql_get_special_row($value, &$data)

- {

- if (is_array($value))

- {

- if (isset($value['auto_increment']))

- {

- $auto_key = explode(':', $value['auto_increment'], 2);

- $value_key = $auto_key[0];

- $auto_key = (int) $auto_key[1];

-

- if (isset($this->stored_increments[$value_key][$auto_key]))

- {

- $value = $this->stored_increments[$value_key][$auto_key];

- }

- }

- else

- {

- $value = NULL;

- }

- }

- else if (strpos($value, '{') === 0 && strpos($value, '}') === strlen($value) - 1)

- {

- if (strpos($value, '{L_') === 0 && isset(phpbb::$user->lang[substr($value, 3, -1)]))

- {

- $value = phpbb::$user->lang[substr($value, 3, -1)];

- }

- else if (isset($data[substr($value, 1, -1)]))

- {

- $value = $data[substr($value, 1, -1)];

- }

- }

-

- return $value;

- }

-

- /**

- * Private method for performing sql statements (either execute them or return them)

- * @access private

- */

- private function _sql_run_sql($statements)

- {

- if ($this->return_statements)

- {

- return $statements;

- }

-

- // We could add error handling here...

- foreach ($statements as $sql)

- {

- if ($sql === 'begin')

- {

- $this->db->sql_transaction('begin');

- }

- else if ($sql === 'commit')

- {

- $this->db->sql_transaction('commit');

- }

- else

- {

- $this->db->sql_query($sql);

- }

- }

-

- return true;

- }

-

- /**

- * Function to prepare some column information for better usage

- * @access private

- */

- private function sql_prepare_column_data($table_name, $column_name, $column_data)

- {

- // Get type

- if (strpos($column_data[0], ':') !== false)

- {

- list($orig_column_type, $column_length) = explode(':', $column_data[0]);

-

- if (!is_array($this->db->dbms_type_map[$orig_column_type . ':']))

- {

- $column_type = sprintf($this->db->dbms_type_map[$orig_column_type . ':'], $column_length);

- }

- else

- {

- if (isset($this->db->dbms_type_map[$orig_column_type . ':']['rule']))

- {

- switch ($this->db->dbms_type_map[$orig_column_type . ':']['rule'][0])

- {

- case 'div':

- $column_length /= $this->db->dbms_type_map[$orig_column_type . ':']['rule'][1];

- $column_length = ceil($column_length);

- $column_type = sprintf($this->db->dbms_type_map[$orig_column_type . ':'][0], $column_length);

- break;

- }

- }

-

- if (isset($this->db->dbms_type_map[$orig_column_type . ':']['limit']))

- {

- switch ($this->db->dbms_type_map[$orig_column_type . ':']['limit'][0])

- {

- case 'mult':

- $column_length *= $this->db->dbms_type_map[$orig_column_type . ':']['limit'][1];

- if ($column_length > $this->db->dbms_type_map[$orig_column_type . ':']['limit'][2])

- {

- $column_type = $this->db->dbms_type_map[$orig_column_type . ':']['limit'][3];

- }

- else

- {

- $column_type = sprintf($this->db->dbms_type_map[$orig_column_type . ':'][0], $column_length);

- }

- break;

- }

- }

- }

-

- $orig_column_type .= ':';

- }

- else

- {

- $orig_column_type = $column_data[0];

- $column_type = $this->db->dbms_type_map[$column_data[0]];

- }

-

- // Adjust default value if db-dependant specified

- if (is_array($column_data[1]))

- {

- $column_data[1] = (isset($column_data[1][$this->db->dbms_type])) ? $column_data[1][$this->db->dbms_type] : $column_data[1]['default'];

- }

-

- $sql = '';

-

- $return_array = array();

-

- switch ($this->db->dbms_type)

- {

- case 'firebird':

- $sql .= " {$column_type} ";

-

- if (!is_null($column_data[1]))

- {

- $sql .= 'DEFAULT ' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ' ';

- }

-

- $sql .= 'NOT NULL';

-

- // This is a UNICODE column and thus should be given it's fair share

- if (preg_match('/^X?STEXT_UNI|VCHAR_(CI|UNI:?)/', $column_data[0]))

- {

- $sql .= ' COLLATE UNICODE';

- }

-

- $return_array['auto_increment'] = false;

- if (isset($column_data[2]) && $column_data[2] == 'auto_increment')

- {

- $return_array['auto_increment'] = true;

- }

-

- break;

-

- case 'mssql':

- $sql .= " {$column_type} ";

- $sql_default = " {$column_type} ";

-

- // For adding columns we need the default definition

- if (!is_null($column_data[1]))

- {

- // For hexadecimal values do not use single quotes

- if (strpos($column_data[1], '0x') === 0)

- {

- $sql_default .= 'DEFAULT (' . $column_data[1] . ') ';

- }

- else

- {

- $sql_default .= 'DEFAULT (' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ') ';

- }

- }

-

- if (isset($column_data[2]) && $column_data[2] == 'auto_increment')

- {

-// $sql .= 'IDENTITY (1, 1) ';

- $sql_default .= 'IDENTITY (1, 1) ';

- }

-

- $return_array['textimage'] = $column_type === '[text]';

-

- $sql .= 'NOT NULL';

- $sql_default .= 'NOT NULL';

-

- $return_array['column_type_sql_default'] = $sql_default;

- break;

-

- case 'mysql':

- $sql .= " {$column_type} ";

-

- // For hexadecimal values do not use single quotes

- if (!is_null($column_data[1]) && substr($column_type, -4) !== 'text' && substr($column_type, -4) !== 'blob')

- {

- $sql .= (strpos($column_data[1], '0x') === 0) ? "DEFAULT {$column_data[1]} " : "DEFAULT '{$column_data[1]}' ";

- }

- $sql .= 'NOT NULL';

-

- if (isset($column_data[2]))

- {

- if ($column_data[2] == 'auto_increment')

- {

- $sql .= ' auto_increment';

- }

- else if ($column_data[2] == 'true_sort')

- {

- $sql .= ' COLLATE utf8_unicode_ci';

- }

- }

-

- break;

-

- case 'oracle':

- $sql .= " {$column_type} ";

- $sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : '';

-

- // In Oracle empty strings ('') are treated as NULL.

- // Therefore in oracle we allow NULL's for all DEFAULT '' entries

- // Oracle does not like setting NOT NULL on a column that is already NOT NULL (this happens only on number fields)

- if (!preg_match('/number/i', $column_type))

- {

- $sql .= ($column_data[1] === '') ? '' : 'NOT NULL';

- }

-

- $return_array['auto_increment'] = false;

- if (isset($column_data[2]) && $column_data[2] == 'auto_increment')

- {

- $return_array['auto_increment'] = true;

- }

- break;

-

- case 'postgres':

- $return_array['column_type'] = $column_type;

-

- $sql .= " {$column_type} ";

-

- $return_array['auto_increment'] = false;

- if (isset($column_data[2]) && $column_data[2] == 'auto_increment')

- {

- $default_val = "nextval('{$table_name}_seq')";

- $return_array['auto_increment'] = true;

- }

- else if (!is_null($column_data[1]))

- {

- $default_val = "'" . $column_data[1] . "'";

- $return_array['null'] = 'NOT NULL';

- $sql .= 'NOT NULL ';

- }

-

- $return_array['default'] = $default_val;

-

- $sql .= "DEFAULT {$default_val}";

-

- // Unsigned? Then add a CHECK contraint

- if (in_array($orig_column_type, $this->unsigned_types))

- {

- $return_array['constraint'] = "CHECK ({$column_name} >= 0)";

- $sql .= " CHECK ({$column_name} >= 0)";

- }

- break;

-

- case 'sqlite':

- $return_array['primary_key_set'] = false;

- if (isset($column_data[2]) && $column_data[2] == 'auto_increment')

- {

- $sql .= ' INTEGER PRIMARY KEY';

- $return_array['primary_key_set'] = true;

- }

- else

- {

- $sql .= ' ' . $column_type;

- }

-

- $sql .= ' NOT NULL ';

- $sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}'" : '';

- break;

-

- case 'db2':

- $sql .= " {$column_type} NOT NULL";

-

- if (isset($column_data[2]) && $column_data[2] == 'auto_increment')

- {

- $sql .= ' GENERATED BY DEFAULT AS IDENTITY (START WITH 1, INCREMENT BY 1)';

- }

- else

- {

- if (preg_match('/^(integer|smallint|float)$/', $column_type))

- {

- $sql .= " DEFAULT {$column_data[1]}";

- }

- else

- {

- $sql .= " DEFAULT '{$column_data[1]}'";

- }

- }

- break;

- }

-

- $return_array['column_type_sql'] = $sql;

-

- return $return_array;

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* DBAL Factory

-* Only used to instantiate a new DB object

-*

-* @package dbal

-* @static

-*/

-abstract class phpbb_db_dbal

-{

- /**

- * Get new database object

- *

- * @param string $dbms Database module to call

- * @return object Database object

- * @access public

- */

- public static function new_instance($dbms)

- {

- $class = 'phpbb_dbal_' . $dbms;

-

- if (!class_exists($class))

- {

- include PHPBB_ROOT_PATH . 'includes/db/' . $dbms . '.' . PHP_EXT;

- }

-

- // Instantiate class

- $db = new $class();

-

- // Fill default sql layer

- $db->sql_layer = $dbms;

-

- return $db;

- }

-

- /**

- * Get new database object and connect to database

- *

- * @param string $dbms Database module to call

- * @param string $server DB server address to connect to

- * @param string $user DB user name

- * @param string $password DB password to use

- * @param string $database Database name to connect to

- * @param int $port DB Port

- * @param bool $persistency Open persistent DB connection if true

- * @param bool $new_link If set to true a new connection is opened instead of re-using old connections

- *

- * @return object Database object

- * @access public

- */

- public static function connect($dbms, $server, $user, $password, $database, $port = false, $persistency = false, $new_link = false)

- {

- $class = 'phpbb_dbal_' . $dbms;

-

- if (!class_exists($class))

- {

- include PHPBB_ROOT_PATH . 'includes/db/' . $dbms . '.' . PHP_EXT;

- }

-

- // Instantiate class

- $db = new $class();

-

- // Fill default sql layer

- $db->sql_layer = $dbms;

-

- // Connect to DB

- $db->sql_connect($server, $user, $password, $database, $port, $persistency, $new_link);

-

- // Return db object

- return $db;

- }

-}

-

-/**

-* Database Abstraction Layer

-* @package dbal

-*/

-abstract class phpbb_dbal

-{

- /**

- * @var array required phpBB objects

- */

- public $phpbb_required = array('config');

-

- /**

- * @var array Optional phpBB objects

- */

- public $phpbb_optional = array('acm', 'user', 'acl');

-

- /**

- * @var string Current sql layer name

- */

- public $sql_layer = '';

-

- /**

- * @var string Exact version of the DBAL, directly queried

- */

- public $sql_server_version = false;

-

- /**

- * @var mixed Database connection id/resource

- */

- public $db_connect_id;

-

- /**

- * @var mixed Database query result id/resource

- */

- public $query_result;

-

- /**

- * @var bool Persistent connection

- */

- public $persistency = false;

-

- /**

- * @var string DB user name

- */

- public $user = '';

-

- /**

- * @var string DB server address connected to

- */

- public $server = '';

-

- /**

- * @var string Database name connected to

- */

- public $dbname = '';

-

- /**

- * @var int Database port used

- */

- public $port = 0;

-

- /**

- * @var bool Is true if in transaction

- */

- public $transaction = false;

-

- /**

- * @var int Holding transaction count

- */

- public $transactions = 0;

-

- /**

- * Stores number of queries

- *

- * Keys are:

- * <ul>

- * <li>cached: Number of cached queries executed</li>

- * <li>normal: Number of non-cached queries executed</li>

- * <li>total: Total number of queries executed</li>

- * </ul>

- *

- * @var array

- */

- public $num_queries = array();

-

- /**

- * Stores opened queries.

- *

- * The key is returned by {@link phpbb_dbal::sql_get_result_key() sql_get_result_key()}.

- * The value is the {@link phpbb_dbal::$query_result Database query result id/resource}.

- *

- * @var array

- */

- public $open_queries = array();

-

- /**

- * @var string Wildcard for matching any (%) character within LIKE expressions

- */

- public $any_char;

-

- /**

- * @var string Wildcard for matching exactly one (_) character within LIKE expressions

- */

- public $one_char;

-

- /**

- * @var array Storing cached result rowset

- */

- protected $cache_rowset = array();

-

- /**

- * @var int Storing cached result rowset index

- */

- protected $cache_index = 0;

-

- /**

- * @var bool If true then methods do not call {@link phpbb_dbal::sql_error() sql_error()} on SQL error, but return silently.

- */

- public $return_on_error = false;

-

- /**

- * @var bool This is set to true if an error had been triggered.

- */

- public $sql_error_triggered = false;

-

- /**

- * @var string Holds the last sql query on triggered sql error.

- */

- public $sql_error_sql = '';

-

- /**

- * @var array Holds the SQL error information - only populated if {@link phpbb_dbal::$sql_error_triggered sql_error_triggered} is set to true.

- */

- public $sql_error_returned = array();

-

- /**

- * Database features

- *

- * <ul>

- * <li>multi_insert: Supports multi inserts</li>

- * <li>count_distinct: Supports COUNT(DISTINGT ...)</li>

- * <li>multi_table_deletion: Supports multiple table deletion</li>

- * <li>truncate: Supports table truncation</li>

- * </ul>

- *

- * @var array

- */

- public $features = array(

- 'multi_insert' => true,

- 'count_distinct' => true,

- 'multi_table_deletion' => true,

- 'truncate' => true,

- );

-

- /**

- * @var int Passed time for executing SQL queries

- */

- public $sql_time = 0;

-

- /**

- * @var int Current timestamp

- */

- public $curtime = 0;

-

- /**#@+

- * @var string String to hold information for {@link phpbb_dbal::sql_report() SQL report}.

- */

- protected $query_hold = '';

- protected $html_hold = '';

- protected $sql_report = '';

- /**#@-*/

-

- /**

- * Constructor. Set default values.

- * @access public

- */

- public function __construct()

- {

- $this->num_queries = array(

- 'cached' => 0,

- 'normal' => 0,

- 'total' => 0,

- );

-

- // Do not change this please! This variable is used to easy the use of it - and is hardcoded.

- $this->any_char = chr(0) . '%';

- $this->one_char = chr(0) . '_';

-

- $this->cache_rowset = array();

- $this->cache_index = 0;

- }

-

- /**

- * Connect to SQL Server.

- *

- * @param string $server DB server address to connect to

- * @param string $user DB user name

- * @param string $password DB password to use

- * @param string $database Database name to connect to

- * @param int $port DB Port

- * @param bool $persistency Open persistent DB connection if true

- * @param bool $new_link If set to true a new connection is opened instead of re-using old connections

- *

- * @return mixed Database connection id/resource

- * @access public

- */

- abstract public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false);

-

- /**

- * Version information about used database

- *

- * @param bool $raw If true, only return the fetched sql_server_version without any additional strings

- *

- * @return string Sql server version

- * @access public

- */

- abstract public function sql_server_info($raw = false);

-

- /**

- * Return number of affected rows.

- *

- * @return int Number of affected rows. False if there is no valid database connection id.

- * @access public

- */

- abstract public function sql_affectedrows();

-

- /**

- * Get last inserted id after insert statement

- *

- * @return int Last inserted id. False if there is no valid database connection id.

- * @access public

- */

- abstract public function sql_nextid();

-

- /**

- * Escape string used in sql query.

- *

- * @param string $msg Text to escape

- *

- * @return string Escaped text

- * @access public

- */

- abstract public function sql_escape($msg);

-

- /**

- * Expose a DBMS specific function.

- *

- * Supported types are:

- * <ul>

- * <li>length_varchar: Get expression to return length of VARCHAR</li>

- * <li>length_text: Get expression to return length of TEXT</li>

- * </ul>

- *

- * @param string $type Type to return DB-specific code for

- * @param string $col Column name to operate on

- *

- * @return string DB-specific code able to be used in SQL query

- * @access public

- */

- abstract public function sql_function($type, $col);

-

- /**

- * Handle data by using prepared statements.

- *

- * @param string $type The type to handle. Possible values are: INSERT, UPDATE

- * @param string $table The table to use insert or update

- * @param mixed $data The data to insert/update in an array (key == column, value == value)

- * @param string $where An optional where-statement

- * @access public

- * @todo implement correctly by using types and only overwrite if DB supports prepared statements

- */

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- if ($type === 'UPDATE')

- {

- $where = ($where) ? ' WHERE ' . $where : '';

- $this->sql_query('UPDATE ' . $table . ' SET ' . $this->sql_build_array('UPDATE', $data) . $where);

- }

- else

- {

- $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $data));

- }

- }

-

- /**

- * DB-specific base query method. Called by {@link phpbb_dbal::sql_query() sql_query()}.

- *

- * @param string $query Contains the SQL query which shall be executed

- *

- * @return mixed Returns the query result resource. When casted to bool the returned value returns true on success and false on failure

- * @access protected

- */

- abstract protected function _sql_query($query);

-

- /**

- * DB-specific method to Build LIMIT query and run it. Called by {@link phpbb_dbal::sql_query_limit() sql_query_limit}.

- *

- * @param string $query SQL query LIMIT should be applied to

- * @param int $total Total number of rows returned

- * @param int $offset Offset to read from

- * @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache

- *

- * @return mixed Returns the query result resource. When casted to bool the returned value returns true on success and false on failure

- * @access protected

- */

- abstract protected function _sql_query_limit($query, $total, $offset, $cache_ttl);

-

- /**

- * DB-specific method to close sql connection. Called by {@link phpbb_dbal::sql_close() sql_close()}.

- * @access protected

- */

- abstract protected function _sql_close();

-

- /**

- * DB-specific SQL Transaction. Called by {@link phpbb_dbal::sql_transaction() sql_transaction()}.

- *

- * @param string $status The status code. See {@link phpbb_dbal::sql_transaction() sql_transaction()} for status codes.

- *

- * @return mixed The result returned by the DB

- * @access protected

- */

- abstract protected function _sql_transaction($status);

-

- /**

- * Fetch current row. Called by {@link phpbb_dbal::sql_fetchrow() sql_fetchrow()}.

- *

- * @param mixed $query_id Query result resource

- *

- * @return array|bool The current row or false if an error occurred

- * @access protected

- */

- abstract protected function _sql_fetchrow($query_id);

-

- /**

- * Free query result. Called by {@link phpbb_dbal::sql_freeresult() sql_freeresult()}.

- *

- * @param mixed $query_id Query result resource

- *

- * @return mixed The DB result

- * @access protected

- */

- abstract protected function _sql_freeresult($query_id);

-

- /**

- * Correctly adjust LIKE expression for special characters. Called by {@link phpbb_dbal::sql_like_expression() sql_like_expression()}.

- *

- * @param string $expression The expression to use. Every wildcard is escaped, except {@link phpbb_dbal::$any_char $any_char} and {@link phpbb_dbal::$one_char $one_char}

- *

- * @return string LIKE expression including the keyword!

- * @access protected

- */

- abstract protected function _sql_like_expression($expression);

-

- /**

- * Build DB-specific query bits for {@link phpbb_dbal::sql_build_query() sql_build_query()}.

- *

- * Currently used stages are ($stage: $data)

- * <ul>

- * <li>FROM: implode(', ', $table_array)</li>

- * <li>WHERE: Full WHERE-Statement without WHERE keyword</li>

- * </ul>

- *

- * @param string $stage The current stage build_query needs db-specific data for. Currently used are: FROM and WHERE.

- * @param string $data Data to operate with

- *

- * @return string $data in it's original form or adjusted to meet DB-specific standard

- * @access protected

- */

- abstract protected function _sql_custom_build($stage, $data);

-

- /**

- * Return sql error array. Called by {@link phpbb_dbal::sql_error() sql_error()}.

- *

- * @return array Array with two keys. 'code' for the error code and 'message' for the error message.

- * @access protected

- */

- abstract protected function _sql_error();

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. Called by {@link phpbb_dbal::sql_report() sql_report()}.

- *

- * This function only executes if the GET parameter 'explain' is true and phpbb::$base_config['debug_extra'] enabled.

- *

- * @param string $mode The mode to handle. 'display' is used for displaying the report, all other modes are internal.

- * @param string $query Query to document/explain. Only used internally to build the plan.

- *

- * @access protected

- */

- abstract protected function _sql_report($mode, $query = '');

-

- /**

- * Base query method

- *

- * @param string $query Contains the SQL query which shall be executed

- * @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache

- *

- * @return mixed Returns the query result resource. When casted to bool the returned value returns true on success and false on failure

- * @access public

- */

- public function sql_query($query = '', $cache_ttl = 0)

- {

- if (empty($query))

- {

- return false;

- }

-

- // EXPLAIN only in extra debug mode

- if (phpbb::$base_config['debug_extra'])

- {

- $this->sql_report('start', $query);

- }

-

- $this->query_result = false;

-

- if ($cache_ttl)

- {

- $this->sql_get_cache($query);

- }

-

- $this->sql_add_num_queries($this->query_result);

-

- if ($this->query_result !== false)

- {

- if (phpbb::$base_config['debug_extra'])

- {

- $this->sql_report('fromcache', $query);

- }

-

- return $this->query_result;

- }

-

- if (($this->query_result = $this->_sql_query($query)) === false)

- {

- $this->sql_error($query);

- }

-

- if (phpbb::$base_config['debug_extra'])

- {

- $this->sql_report('stop', $query);

- }

-

- if ($cache_ttl)

- {

- $this->sql_put_cache($query, $cache_ttl);

- }

-

- if ($cache_ttl || strpos($query, 'SELECT') === 0)

- {

- if (($key = $this->sql_get_result_key($this->query_result)) !== false)

- {

- $this->open_queries[$key] = $this->query_result;

- }

- }

-

- return $this->query_result;

- }

-

- /**

- * Build LIMIT query and run it.

- *

- * @param string $query SQL query LIMIT should be applied to

- * @param int $total Total number of rows returned

- * @param int $offset Offset to read from

- * @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache

- *

- * @return mixed Returns the query result resource. When casted to bool the returned value returns true on success and false on failure

- * @access public

- */

- public function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)

- {

- if (empty($query))

- {

- return false;

- }

-

- // Never use a negative total or offset

- $total = ($total < 0) ? 0 : $total;

- $offset = ($offset < 0) ? 0 : $offset;

-

- return $this->_sql_query_limit($query, $total, $offset, $cache_ttl);

- }

-

- /**

- * Switch for "return on error" or "display error message". Affects {@link phpbb_dbal::$return_on_error $return_on_error}.

- *

- * @param bool $fail True to return on SQL error. False to display error message on SQL error.

- * @access public

- */

- public function sql_return_on_error($fail = false)

- {

- $this->sql_error_triggered = false;

- $this->sql_error_sql = '';

-

- $this->return_on_error = $fail;

- }

-

- /**

- * Return number of sql queries and cached sql queries used.

- *

- * @param bool $cached True to return cached queries executed. False to return non-cached queries executed.

- *

- * @return int Number of queries executed

- * @access public

- */

- public function sql_num_queries($cached = false)

- {

- return ($cached) ? $this->num_queries['cached'] : $this->num_queries['normal'];

- }

-

- /**

- * DBAL garbage collection, close sql connection.

- *

- * Iterates through {@link phpbb_dbal::$open_queries open queries} and closes them.

- * For connection close {@link phpbb_dbal::_sql_close() the DB-specific method} is called.

- *

- * @return bool False if there was no db connection to close or an error occurred, else true

- * @access public

- */

- public function sql_close()

- {

- if (!$this->db_connect_id)

- {

- return false;

- }

-

- if ($this->transaction)

- {

- do

- {

- $this->sql_transaction('commit');

- }

- while ($this->transaction);

- }

-

- foreach ($this->open_queries as $key => $query_result)

- {

- $this->sql_freeresult($query_result);

- }

-

- // Connection closed correctly. Set db_connect_id to false to prevent errors

- if ($result = $this->_sql_close())

- {

- $this->db_connect_id = false;

- }

-

- return $result;

- }

-

- /**

- * SQL Transaction.

- *

- * Standard status codes are:

- * <ul>

- * <li>begin: Begin transaction</li>

- * <li>commit: Commit/end transaction</li>

- * <li>rollback: Rollback transaction</li>

- * </ul>

- *

- * @param string $status The status code.

- *

- * @return mixed The result returned by the DB

- * @access public

- */

- public function sql_transaction($status = 'begin')

- {

- switch ($status)

- {

- case 'begin':

- // If we are within a transaction we will not open another one, but enclose the current one to not loose data (prevening auto commit)

- if ($this->transaction)

- {

- $this->transactions++;

- return true;

- }

-

- $result = $this->_sql_transaction('begin');

-

- if (!$result)

- {

- $this->sql_error();

- }

-

- $this->transaction = true;

- break;

-

- case 'commit':

- // If there was a previously opened transaction we do not commit yet... but count back the number of inner transactions

- if ($this->transaction && $this->transactions)

- {

- $this->transactions--;

- return true;

- }

-

- // Check if there is a transaction (no transaction can happen if there was an error, with a combined rollback and error returning enabled)

- // This implies we have transaction always set for autocommit db's

- if (!$this->transaction)

- {

- return false;

- }

-

- $result = $this->_sql_transaction('commit');

-

- if (!$result)

- {

- $this->sql_error();

- }

-

- $this->transaction = false;

- $this->transactions = 0;

- break;

-

- case 'rollback':

- $result = $this->_sql_transaction('rollback');

- $this->transaction = false;

- $this->transactions = 0;

- break;

-

- default:

- $result = $this->_sql_transaction($status);

- break;

- }

-

- return $result;

- }

-

- /**

- * Fetch current row.

- *

- * @param mixed $query_id Query result resource

- *

- * @return array|bool The current row or false if an error occurred

- * @access public

- */

- public function sql_fetchrow($query_id = false)

- {

- if ($query_id === false)

- {

- $query_id = $this->query_result;

- }

-

- if ($this->sql_cache_exists($query_id))

- {

- return $this->sql_cache_fetchrow($query_id);

- }

-

- return ($query_id !== false) ? $this->_sql_fetchrow($query_id) : false;

- }

-

- /**

- * Fetch rowset (all rows).

- *

- * @param mixed $query_id Query result resource

- *

- * @return array|bool The complete rowset or false if an error occurred

- * @access public

- */

- public function sql_fetchrowset($query_id = false)

- {

- if ($query_id === false)

- {

- $query_id = $this->query_result;

- }

-

- if ($query_id !== false)

- {

- $result = array();

- while ($row = $this->sql_fetchrow($query_id))

- {

- $result[] = $row;

- }

-

- return $result;

- }

-

- return false;

- }

-

- /**

- * Fetch field from current row.

- *

- * @param string $field Field/Column name to fetch data from.

- * @param mixed $query_id Query result resource

- *

- * @return mixed The fields value

- * @access public

- */

- public function sql_fetchfield($field, $query_id = false)

- {

- if ($query_id === false)

- {

- $query_id = $this->query_result;

- }

-

- if ($query_id !== false)

- {

- if ($this->sql_cache_exists($query_id))

- {

- return $this->sql_cache_fetchfield($query_id, $field);

- }

-

- $row = $this->sql_fetchrow($query_id);

- return (isset($row[$field])) ? $row[$field] : false;

- }

-

- return false;

- }

-

- /**

- * Free query result.

- *

- * @param mixed $query_id Query result resource

- *

- * @return mixed The DB result

- * @access public

- */

- public function sql_freeresult($query_id)

- {

- if ($query_id === false)

- {

- $query_id = $this->query_result;

- }

-

- if ($this->sql_cache_exists($query_id))

- {

- return $this->sql_cache_freeresult($query_id);

- }

-

- if (($key = $this->sql_get_result_key($query_id)) !== false)

- {

- unset($this->open_queries[$key]);

- }

-

- return $this->_sql_freeresult($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters, some DBMS are handling them in a different way.

- *

- * @param string $expression The expression to use. Every wildcard is escaped, except {@link phpbb_dbal::$any_char $any_char} and {@link phpbb_dbal::$one_char $one_char}

- *

- * @return string LIKE expression including the keyword!

- * @access public

- */

- public function sql_like_expression($expression)

- {

- $expression = str_replace(array('_', '%'), array("\_", "\%"), $expression);

- $expression = str_replace(array(chr(0) . "\_", chr(0) . "\%"), array('_', '%'), $expression);

-

- return $this->_sql_like_expression('LIKE \'' . $this->sql_escape($expression) . '\'');

- }

-

- /**

- * Build sql statement from array for insert/update/select statements.

- *

- * Idea for this from Ikonboard

- * Possible query values: INSERT, INSERT_SELECT, UPDATE, SELECT

- *

- * @param string $mode The mode to handle

- * @param array $assoc_ary The SQL array to insert/update/select (key == column, value == data)

- *

- * @return string Query able to be used in SQL queries

- * @access public

- */

- public function sql_build_array($mode, $assoc_ary = false)

- {

- if (!is_array($assoc_ary))

- {

- return false;

- }

-

- $fields = $values = array();

- $query = '';

-

- if ($mode == 'INSERT' || $mode == 'INSERT_SELECT')

- {

- foreach ($assoc_ary as $key => $var)

- {

- $fields[] = $key;

-

- if (is_array($var) && is_string($var[0]))

- {

- // This is used for INSERT_SELECT(s)

- $values[] = $var[0];

- }

- else

- {

- $values[] = $this->_sql_validate_value($var);

- }

- }

-

- $query = ($mode == 'INSERT') ? ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')' : ' (' . implode(', ', $fields) . ') SELECT ' . implode(', ', $values) . ' ';

- }

- else if ($mode == 'MULTI_INSERT')

- {

- trigger_error('The MULTI_INSERT query value is no longer supported. Please use sql_multi_insert() instead.', E_USER_ERROR);

- }

- else if ($mode == 'UPDATE' || $mode == 'SELECT')

- {

- foreach ($assoc_ary as $key => $var)

- {

- $values[] = "$key = " . $this->_sql_validate_value($var);

- }

- $query = implode(($mode == 'UPDATE') ? ', ' : ' AND ', $values);

- }

-

- return $query;

- }

-

- /**

- * Build IN or NOT IN sql comparison string, uses <> or = on single element to improve comparison speed

- *

- * @param string $field Name of the sql column that shall be compared

- * @param array $array Array of values that are allowed (IN) or not allowed (NOT IN)

- * @param bool $negate True for NOT IN (), false for IN () (default)

- * @param bool $allow_empty_set If true, allow $array to be empty - this function will return 1=1 or 1=0 then.

- *

- * @return string SQL statement able to be used in SQL queries

- * @access public

- */

- public function sql_in_set($field, $array, $negate = false, $allow_empty_set = false)

- {

- if (!sizeof($array))

- {

- if (!$allow_empty_set)

- {

- // Print the backtrace to help identifying the location of the problematic code

- $this->sql_error('No values specified for SQL IN comparison');

- }

- else

- {

- // NOT IN () actually means everything so use a tautology

- if ($negate)

- {

- return '1=1';

- }

- // IN () actually means nothing so use a contradiction

- else

- {

- return '1=0';

- }

- }

- }

-

- if (!is_array($array))

- {

- $array = array($array);

- }

-

- if (sizeof($array) == 1)

- {

- @reset($array);

- $var = current($array);

-

- return $field . ($negate ? ' <> ' : ' = ') . $this->_sql_validate_value($var);

- }

- else

- {

- return $field . ($negate ? ' NOT IN ' : ' IN ') . '(' . implode(', ', array_map(array($this, '_sql_validate_value'), $array)) . ')';

- }

- }

-

- /**

- * Run more than one insert statement.

- *

- * @param string $table Table name to run the statements on

- * @param array &$sql_ary Multi-dimensional array holding the statement data.

- *

- * @return bool False if no statements were executed.

- * @access public

- * @todo use sql_prepare_data()

- */

- public function sql_multi_insert($table, &$sql_ary)

- {

- if (!sizeof($sql_ary))

- {

- return false;

- }

-

- if ($this->features['multi_insert'])

- {

- $ary = array();

- foreach ($sql_ary as $id => $_sql_ary)

- {

- // If by accident the sql array is only one-dimensional we build a normal insert statement

- if (!is_array($_sql_ary))

- {

- $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $sql_ary));

- return true;

- }

-

- $values = array();

- foreach ($_sql_ary as $key => $var)

- {

- $values[] = $this->_sql_validate_value($var);

- }

- $ary[] = '(' . implode(', ', $values) . ')';

- }

-

- $this->sql_query('INSERT INTO ' . $table . ' ' . ' (' . implode(', ', array_keys($sql_ary[0])) . ') VALUES ' . implode(', ', $ary));

- }

- else

- {

- foreach ($sql_ary as $ary)

- {

- if (!is_array($ary))

- {

- return false;

- }

-

- $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $ary));

- }

- }

-

- return true;

- }

-

- /**

- * Build sql statement from array for select and select distinct statements

- *

- * @todo add more in-depth explanation about all possible array keys and their effects.

- *

- * @param string $query Query value. Possible query values: SELECT, SELECT_DISTINCT

- * @param string $array Array to build statement from

- *

- * @return string SQL Statement

- * @access public

- */

- public function sql_build_query($query, $array)

- {

- $sql = '';

- switch ($query)

- {

- case 'SELECT':

- case 'SELECT_DISTINCT';

-

- $sql = str_replace('_', ' ', $query) . ' ' . $array['SELECT'] . ' FROM ';

-

- $table_array = array();

- foreach ($array['FROM'] as $table_name => $alias)

- {

- if (is_array($alias))

- {

- foreach ($alias as $multi_alias)

- {

- $table_array[] = $table_name . ' ' . $multi_alias;

- }

- }

- else

- {

- $table_array[] = $table_name . ' ' . $alias;

- }

- }

-

- $sql .= $this->_sql_custom_build('FROM', implode(', ', $table_array));

-

- if (!empty($array['LEFT_JOIN']))

- {

- foreach ($array['LEFT_JOIN'] as $join)

- {

- $sql .= ' LEFT JOIN ' . key($join['FROM']) . ' ' . current($join['FROM']) . ' ON (' . $join['ON'] . ')';

- }

- }

-

- if (!empty($array['WHERE']))

- {

- $sql .= ' WHERE ' . $this->_sql_custom_build('WHERE', $array['WHERE']);

- }

-

- if (!empty($array['GROUP_BY']))

- {

- $sql .= ' GROUP BY ' . $array['GROUP_BY'];

- }

-

- if (!empty($array['ORDER_BY']))

- {

- $sql .= ' ORDER BY ' . $array['ORDER_BY'];

- }

-

- break;

- }

-

- return $sql;

- }

-

- /**

- * Display SQL Error message.

- *

- * The DB-specific information is retrieved by {@link phpbb_dbal::_sql_error() _sql_error()}.

- *

- * @param string $sql SQL statement which triggered the error

- *

- * @return mixed Returns sql error array if {@link phpbb_dbal::$return_on_error $return_on_error} is true. Else script is halted.

- * @access public

- */

- public function sql_error($sql = '')

- {

- // Set var to retrieve errored status

- $this->sql_error_triggered = true;

- $this->sql_error_sql = $sql;

-

- $this->sql_error_returned = $this->_sql_error();

-

- if (!$this->return_on_error)

- {

- $sql_message = $this->sql_error_returned['message'];

- $sql_code = $this->sql_error_returned['code'];

-

- $message = 'SQL ERROR [ ' . $this->sql_layer . ' ]' . (($sql_message) ? '<br /><br />' . $sql_message : '') . (($sql_code) ? ' [' . $sql_code . ']' : '');

-

- // Show complete SQL error and path to administrators only

- // Additionally show complete error on installation or if extended debug mode is enabled

- // The phpbb::$base_config['debug_extra'] variable is for development only!

- if ((phpbb::registered('acl') && phpbb::$acl->acl_get('a_')) || defined('IN_INSTALL') || phpbb::$base_config['debug_extra'])

- {

- $message .= ($sql) ? '<br /><br />SQL<br /><br />' . htmlspecialchars($sql) : '';

- $message .= '<br />';

- }

- else

- {

- // If error occurs in initiating the session we need to use a pre-defined language string

- // This could happen if the connection could not be established for example (then we are not able to grab the default language)

- if (!phpbb::registered('user'))

- {

- $message .= '<br /><br />An sql error occurred while fetching this page. Please contact an administrator if this problem persists.';

- }

- else

- {

- if (!empty(phpbb::$config['board_contact']))

- {

- $message .= '<br /><br />' . phpbb::$user->lang('SQL_ERROR_OCCURRED', '<a href="mailto:' . htmlspecialchars(phpbb::$config['board_contact']) . '">', '</a>');

- }

- else

- {

- $message .= '<br /><br />' . phpbb::$user->lang('SQL_ERROR_OCCURRED', '', '');

- }

- }

- }

-

- if ($this->transaction)

- {

- $this->sql_transaction('rollback');

- }

-

- if (strlen($message) > 1024)

- {

- // We need to define $msg_long_text here to circumvent text stripping.

- global $msg_long_text;

- $msg_long_text = $message;

-

- trigger_error(false, E_USER_ERROR);

- }

-

- trigger_error($message, E_USER_ERROR);

- }

-

- if ($this->transaction)

- {

- $this->sql_transaction('rollback');

- }

-

- return $this->sql_error_returned;

- }

-

- /**

- * Build SQL Report to explain queries, show statistics and runtime information.

- *

- * This function only executes if the GET parameter 'explain' is true and phpbb::$base_config['debug_extra'] enabled.

- *

- * @param string $mode The mode to handle. 'display' is used for displaying the report, all other modes are internal.

- * @param string $query Query to document/explain. Only used internally to build the plan.

- *

- * @access public

- */

- public function sql_report($mode, $query = '')

- {

- global $starttime;

-

- if (!phpbb_request::variable('explain', false))

- {

- return false;

- }

-

- if (!$query && $this->query_hold != '')

- {

- $query = $this->query_hold;

- }

-

- switch ($mode)

- {

- case 'display':

- $this->sql_close();

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->unload();

- }

-

- $mtime = explode(' ', microtime());

- $totaltime = $mtime[0] + $mtime[1] - $starttime;

-

- echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

- <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">

- <head>

- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

- <meta http-equiv="Content-Style-Type" content="text/css" />

- <meta http-equiv="imagetoolbar" content="no" />

- <title>SQL Report</title>

- <link href="' . PHPBB_ROOT_PATH . 'adm/style/admin.css" rel="stylesheet" type="text/css" media="screen" />

- </head>

- <body id="errorpage">

- <div id="wrap">

- <div id="page-header">

- <a href="' . phpbb::$url->build_url('explain') . '">Return to previous page</a>

- </div>

- <div id="page-body">

- <div id="acp">

- <div class="panel">

- <span class="corners-top"><span></span></span>

- <div id="content">

- <h1>SQL Report</h1>

- <br />

- <p><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries['normal']} queries" . (($this->num_queries['cached']) ? " + {$this->num_queries['cached']} " . (($this->num_queries['cached'] == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></p>

-

- <p>Time spent on ' . $this->sql_layer . ' queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></p>

-

- <br /><br />

- ' . $this->sql_report . '

- </div>

- <span class="corners-bottom"><span></span></span>

- </div>

- </div>

- </div>

- <div id="page-footer">

- Powered by phpBB &copy; 2000, 2002, 2005, 2007 <a href="http://www.phpbb.com/">phpBB Group</a>

- </div>

- </div>

- </body>

- </html>';

-

- exit_handler();

-

- break;

-

- case 'stop':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $this->sql_report .= '

-

- <table cellspacing="1">

- <thead>

- <tr>

- <th>Query #' . $this->num_queries['total'] . '</th>

- </tr>

- </thead>

- <tbody>

- <tr>

- <td class="row3"><textarea style="font-family:\'Courier New\',monospace;width:99%" rows="5" cols="10">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td>

- </tr>

- </tbody>

- </table>

-

- ' . $this->html_hold . '

-

- <p style="text-align: center;">

- ';

-

- if ($this->query_result)

- {

- if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))

- {

- $this->sql_report .= 'Affected rows: <b>' . $this->sql_affectedrows($this->query_result) . '</b> | ';

- }

- $this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $this->curtime) . 's</b>';

- }

- else

- {

- $error = $this->sql_error();

- $this->sql_report .= '<b style="color: red">FAILED</b> - ' . $this->sql_layer . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);

- }

-

- $this->sql_report .= '</p><br /><br />';

-

- $this->sql_time += $endtime - $this->curtime;

- break;

-

- case 'start':

- $this->query_hold = $query;

- $this->html_hold = '';

-

- $this->_sql_report($mode, $query);

-

- $this->curtime = explode(' ', microtime());

- $this->curtime = $this->curtime[0] + $this->curtime[1];

-

- break;

-

- case 'add_select_row':

-

- $html_table = func_get_arg(2);

- $row = func_get_arg(3);

-

- if (!$html_table && sizeof($row))

- {

- $html_table = true;

- $this->html_hold .= '<table cellspacing="1"><tr>';

-

- foreach (array_keys($row) as $val)

- {

- $this->html_hold .= '<th>' . (($val) ? ucwords(str_replace('_', ' ', $val)) : '&nbsp;') . '</th>';

- }

- $this->html_hold .= '</tr>';

- }

- $this->html_hold .= '<tr>';

-

- $class = 'row1';

- foreach (array_values($row) as $val)

- {

- $class = ($class == 'row1') ? 'row2' : 'row1';

- $this->html_hold .= '<td class="' . $class . '">' . (($val) ? $val : '&nbsp;') . '</td>';

- }

- $this->html_hold .= '</tr>';

-

- return $html_table;

-

- break;

-

- case 'fromcache':

-

- $this->_sql_report($mode, $query);

-

- break;

-

- case 'record_fromcache':

-

- $endtime = func_get_arg(2);

- $splittime = func_get_arg(3);

-

- $time_cache = $endtime - $this->curtime;

- $time_db = $splittime - $endtime;

- $color = ($time_db > $time_cache) ? 'green' : 'red';

-

- $this->sql_report .= '<table cellspacing="1"><thead><tr><th>Query results obtained from the cache</th></tr></thead><tbody><tr>';

- $this->sql_report .= '<td class="row3"><textarea style="font-family:\'Courier New\',monospace;width:99%" rows="5" cols="10">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></tbody></table>';

- $this->sql_report .= '<p style="text-align: center;">';

- $this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p><br /><br />';

-

- // Pad the start time to not interfere with page timing

- $starttime += $time_db;

-

- break;

-

- default:

-

- $this->_sql_report($mode, $query);

-

- break;

- }

-

- return true;

- }

-

- /**

- * Get stored data from SQL cache and fill the relevant cach rowset.

- *

- * @param string $query The query cached.

- *

- * @return bool True if the caching was successful, else false

- * @access private

- */

- private function sql_get_cache($query)

- {

- if (!phpbb::registered('acm') || !phpbb::$acm->supported('sql'))

- {

- return false;

- }

-

- // Remove extra spaces and tabs

- $var_name = preg_replace('/[\n\r\s\t]+/', ' ', $query);

- $var_name = md5($this->sql_layer . '_' . $var_name);

-

- $data = phpbb::$acm->get_sql($var_name);

-

- if ($data !== false)

- {

- $this->query_result = ++$this->cache_index;

- $this->cache_rowset[$this->query_result] = $data['rowset'];

-

- return true;

- }

-

- return false;

- }

-

- /**

- * Put query to cache.

- *

- * @param string $query The query cached.

- * @param int $cache_ttl Cache lifetime in seconds.

- *

- * @return bool True if the caching was successful, else false

- * @access private

- */

- private function sql_put_cache($query, $cache_ttl)

- {

- if (!phpbb::registered('acm') || !phpbb::$acm->supported('sql'))

- {

- return false;

- }

-

- // Prepare the data

- $var_name = preg_replace('/[\n\r\s\t]+/', ' ', $query);

- $var_name = md5($this->sql_layer . '_' . $var_name);

-

- $data = array(

- 'query' => $query,

- 'rowset' => array(),

- );

-

- while ($row = $this->sql_fetchrow($this->query_result))

- {

- $data['rowset'][] = $row;

- }

- $this->sql_freeresult($this->query_result);

-

- phpbb::$acm->put_sql($var_name, $data, $cache_ttl);

-

- $this->query_result = ++$this->cache_index;

- $this->cache_rowset[$this->query_result] = $data['rowset'];

- @reset($this->cache_rowset[$this->query_result]);

-

- return true;

- }

-

- /**

- * Check if an sql cache exist for a specific query id.

- *

- * @param int $query_id The query_id to check (int)

- *

- * @return bool True if an cache entry exists.

- * @access private

- */

- private function sql_cache_exists($query_id)

- {

- return is_int($query_id) && isset($this->cache_rowset[$query_id]);

- }

-

- /**

- * Fetch row from cache (database). Used in {@link phpbb_dbal::sql_fetchrow() sql_fetchrow()}.

- *

- * @param int $query_id The query_id to fetch from.

- *

- * @return array The result row

- * @access private

- */

- private function sql_cache_fetchrow($query_id)

- {

- list(, $row) = each($this->cache_rowset[$query_id]);

- return ($row !== NULL) ? $row : false;

- }

-

- /**

- * Fetch a field from the current row of a cached database result (database). Used in {@link phpbb_dbal::sql_fetchfield() sql_fetchfield()}.

- *

- * @param int $query_id The query_id to fetch from.

- * @param string $field The column name.

- *

- * @return array The field data

- * @access private

- */

- private function sql_cache_fetchfield($query_id, $field)

- {

- $row = current($this->cache_rowset[$query_id]);

- return ($row !== false && isset($row[$field])) ? $row[$field] : false;

- }

-

- /**

- * Free memory used for a cached database result (database). Used in {@link phpbb_dbal::sql_freeresult() sql_freeresult()}.

- *

- * @param int $query_id The query_id.

- *

- * @return bool True on success

- * @access private

- */

- private function sql_cache_freeresult($query_id)

- {

- if (!isset($this->cache_rowset[$query_id]))

- {

- return false;

- }

-

- if (($key = $this->sql_get_result_key($query_id)) !== false)

- {

- unset($this->open_queries[$key]);

- }

-

- unset($this->cache_rowset[$query_id]);

- return true;

- }

-

- /**

- * Function for validating SQL values

- *

- * @param mixed Value. Typecasted to it's type.

- *

- * @return mixed Typecasted value.

- * @access private

- */

- private function _sql_validate_value($var)

- {

- if (is_null($var))

- {

- return 'NULL';

- }

- else if (is_string($var))

- {

- return "'" . $this->sql_escape($var) . "'";

- }

- else

- {

- return (is_bool($var)) ? intval($var) : $var;

- }

- }

-

- /**

- * Add "one" to query count.

- *

- * @param bool $cached If true, add one to cached query count. Otherwise to non-cached query count

- * @access private

- */

- private function sql_add_num_queries($cached = false)

- {

- $this->num_queries['cached'] += ($cached !== false) ? 1 : 0;

- $this->num_queries['normal'] += ($cached !== false) ? 0 : 1;

- $this->num_queries['total'] += 1;

- }

-

- /**

- * Get SQL result key for storing open connection

- *

- * @param string $query_result Query result id/resource/object

- *

- * @return mixed Key usable as array key. False if storing is not possible.

- * @access private

- */

- private function sql_get_result_key($query_result)

- {

- $key = $query_result;

-

- if (is_object($query_result))

- {

- $key = false;

- }

- else if (is_resource($query_result))

- {

- $key = (int) $query_result;

- }

-

- return $key;

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Firebird/Interbase Database Abstraction Layer

-* Minimum Requirement: 2.0+

-* @package dbal

-*/

-class phpbb_dbal_firebird extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'firebird';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => 'INTEGER',

- 'BINT' => 'DOUBLE PRECISION',

- 'UINT' => 'INTEGER',

- 'UINT:' => 'INTEGER',

- 'TINT:' => 'INTEGER',

- 'USINT' => 'INTEGER',

- 'BOOL' => 'INTEGER',

- 'VCHAR' => 'VARCHAR(255) CHARACTER SET NONE',

- 'VCHAR:' => 'VARCHAR(%d) CHARACTER SET NONE',

- 'CHAR:' => 'CHAR(%d) CHARACTER SET NONE',

- 'XSTEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE',

- 'STEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE',

- 'TEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE',

- 'MTEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE',

- 'XSTEXT_UNI'=> 'VARCHAR(100) CHARACTER SET UTF8',

- 'STEXT_UNI' => 'VARCHAR(255) CHARACTER SET UTF8',

- 'TEXT_UNI' => 'BLOB SUB_TYPE TEXT CHARACTER SET UTF8',

- 'MTEXT_UNI' => 'BLOB SUB_TYPE TEXT CHARACTER SET UTF8',

- 'TIMESTAMP' => 'INTEGER',

- 'DECIMAL' => 'DOUBLE PRECISION',

- 'DECIMAL:' => 'DOUBLE PRECISION',

- 'PDECIMAL' => 'DOUBLE PRECISION',

- 'PDECIMAL:' => 'DOUBLE PRECISION',

- 'VCHAR_UNI' => 'VARCHAR(255) CHARACTER SET UTF8',

- 'VCHAR_UNI:'=> 'VARCHAR(%d) CHARACTER SET UTF8',

- 'VARBINARY' => 'CHAR(255) CHARACTER SET NONE',

- );

-

- /**

- * @var string Last query executed. We need this for sql_nextid()

- */

- var $last_query_text = '';

-

- /**

- * @var resource Attached service handle.

- */

- var $service_handle = false;

-

- /**

- * @var array Database features

- */

- public $features = array(

- 'multi_insert' => false,

- 'count_distinct' => true,

- 'multi_table_deletion' => true,

- 'truncate' => false,

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server . (($port) ? ':' . $port : '');

- $this->dbname = str_replace('\\', '/', $database);

-

- // There are three possibilities to connect to an interbase db

- if (!$this->server)

- {

- $use_database = $this->dbname;

- }

- else if (strpos($this->server, '//') === 0)

- {

- $use_database = $this->server . $this->dbname;

- }

- else

- {

- $use_database = $this->server . ':' . $this->dbname;

- }

-

- $this->db_connect_id = ($this->persistency) ? @ibase_pconnect($use_database, $this->user, $password, false, false, 3) : @ibase_connect($use_database, $this->user, $password, false, false, 3);

-

- if (!$this->db_connect_id)

- {

- return $this->sql_error('');

- }

-

- $this->service_handle = ($this->server) ? @ibase_service_attach($this->server, $this->user, $password) : false;

-

- return $this->db_connect_id;

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#firebird_version')) === false)

- {

- $version = false;

-

- if ($this->service_handle !== false)

- {

- $val = @ibase_server_info($this->service_handle, IBASE_SVC_SERVER_VERSION);

- preg_match('#V([\d.]+)#', $val, $version);

- $version = (!empty($version[1])) ? $version[1] : false;

- }

-

- $this->sql_server_version = (!$version) ? '2.0' : $version;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#firebird_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : 'Firebird/Interbase ' . $this->sql_server_version;

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- $this->last_query_text = $query;

-

- $array = array();

-

- // We overcome Firebird's 32767 char limit by binding vars

- if (strlen($query) > 32767)

- {

- if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/s', $query, $regs))

- {

- if (strlen($regs[3]) > 32767)

- {

- preg_match_all('/\'(?:[^\']++|\'\')*+\'|[\d-.]+/', $regs[3], $vals, PREG_PATTERN_ORDER);

-

- $inserts = $vals[0];

- unset($vals);

-

- foreach ($inserts as $key => $value)

- {

- // check to see if this thing is greater than the max + 'x2

- if (!empty($value) && $value[0] === "'" && strlen($value) > 32769)

- {

- $inserts[$key] = '?';

- $array[] = str_replace("''", "'", substr($value, 1, -1));

- }

- }

-

- $query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')';

- }

- }

- else if (preg_match('/^(UPDATE ([\\w_]++)\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|\\d+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+)\\s+(WHERE.*)$/s', $query, $data))

- {

- if (strlen($data[3]) > 32767)

- {

- $update = $data[1];

- $where = $data[4];

- preg_match_all('/(\\w++)\\s*=\\s*(\'(?:[^\']++|\'\')*+\'|[\d-.]++)/', $data[3], $temp, PREG_SET_ORDER);

- unset($data);

-

- $cols = array();

- foreach ($temp as $value)

- {

- // check to see if this thing is greater than the max + 'x2

- if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 32769)

- {

- $array[] = str_replace("''", "'", substr($value[2], 1, -1));

- $cols[] = $value[1] . '=?';

- }

- else

- {

- $cols[] = $value[1] . '=' . $value[2];

- }

- }

-

- $query = $update . implode(', ', $cols) . ' ' . $where;

- unset($cols);

- }

- }

- }

-

- if (sizeof($array))

- {

- $p_query = @ibase_prepare($this->db_connect_id, $query);

- array_unshift($array, $p_query);

- $result = call_user_func_array('ibase_execute', $array);

- unset($array);

- }

- else

- {

- $result = @ibase_query($this->db_connect_id, $query);

-

- if ($result && !$this->transaction)

- {

- @ibase_commit_ret();

- }

- }

-

- return $result;

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- $query = 'SELECT FIRST ' . $total . ((!empty($offset)) ? ' SKIP ' . $offset : '') . substr($query, 6);

- return $this->sql_query($query, $cache_ttl);

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- if ($this->service_handle !== false)

- {

- @ibase_service_detach($this->service_handle);

- }

-

- return @ibase_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return true;

- break;

-

- case 'commit':

- return @ibase_commit();

- break;

-

- case 'rollback':

- return @ibase_rollback();

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @ibase_affected_rows($this->db_connect_id) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- if (!$this->query_result || !$this->last_query_text)

- {

- return false;

- }

-

- if (preg_match('#^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)#i', $this->last_query_text, $tablename))

- {

- $sql = 'SELECT GEN_ID(' . $tablename[1] . '_gen, 0) AS new_id FROM RDB$DATABASE';

-

- if (!($temp_q_id = @ibase_query($this->db_connect_id, $sql)))

- {

- return false;

- }

-

- $temp_result = @ibase_fetch_assoc($temp_q_id);

- @ibase_free_result($temp_q_id);

-

- return ($temp_result) ? $temp_result['NEW_ID'] : false;

- }

-

- return false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- $cur_row = @ibase_fetch_object($query_id, IBASE_TEXT);

-

- if (!$cur_row)

- {

- return false;

- }

-

- foreach (get_object_vars($cur_row) as $key => $value)

- {

- $row[strtolower($key)] = (is_string($value)) ? trim(str_replace(array("\\0", "\\n"), array("\0", "\n"), $value)) : $value;

- }

-

- return (sizeof($row)) ? $row : false;

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @ibase_free_result($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression . " ESCAPE '\\'";

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return str_replace(array("'", "\0"), array("''", ''), $msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'OCTET_LENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- if ($type == 'INSERT')

- {

- $stmt = ibase_prepare($this->db_connect_id, "INSERT INTO $table (". implode(', ', array_keys($data)) . ") VALUES (" . substr(str_repeat('?, ', sizeof($data)) ,0, -1) . ')');

- }

- else

- {

- $query = "UPDATE $table SET ";

-

- $set = array();

- foreach (array_keys($data) as $key)

- {

- $set[] = "$key = ?";

- }

- $query .= implode(', ', $set);

-

- if ($where !== '')

- {

- $query .= $where;

- }

-

- $stmt = ibase_prepare($this->db_connect_id, $query);

- }

-

- // get the stmt onto the top of the function arguments

- array_unshift($data, $stmt);

-

- call_user_func_array('ibase_execute', $data);

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- return array(

- 'message' => @ibase_errmsg(),

- 'code' => @ibase_errcode()

- );

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'start':

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @ibase_query($this->db_connect_id, $query);

- while ($void = @ibase_fetch_object($result, IBASE_TEXT))

- {

- // Take the time spent on parsing rows into account

- }

- @ibase_free_result($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* MSSQL Database Abstraction Layer

-* Minimum Requirement is MSSQL 2000+

-* @package dbal

-*/

-class phpbb_dbal_mssql extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'mssql';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => '[int]',

- 'BINT' => '[float]',

- 'UINT' => '[int]',

- 'UINT:' => '[int]',

- 'TINT:' => '[int]',

- 'USINT' => '[int]',

- 'BOOL' => '[int]',

- 'VCHAR' => '[varchar] (255)',

- 'VCHAR:' => '[varchar] (%d)',

- 'CHAR:' => '[char] (%d)',

- 'XSTEXT' => '[varchar] (1000)',

- 'STEXT' => '[varchar] (3000)',

- 'TEXT' => '[varchar] (8000)',

- 'MTEXT' => '[text]',

- 'XSTEXT_UNI'=> '[varchar] (100)',

- 'STEXT_UNI' => '[varchar] (255)',

- 'TEXT_UNI' => '[varchar] (4000)',

- 'MTEXT_UNI' => '[text]',

- 'TIMESTAMP' => '[int]',

- 'DECIMAL' => '[float]',

- 'DECIMAL:' => '[float]',

- 'PDECIMAL' => '[float]',

- 'PDECIMAL:' => '[float]',

- 'VCHAR_UNI' => '[varchar] (255)',

- 'VCHAR_UNI:'=> '[varchar] (%d)',

- 'VARBINARY' => '[varchar] (255)',

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->dbname = $database;

- $this->port = $port;

-

- $port_delimiter = (defined('PHP_OS') && substr(PHP_OS, 0, 3) === 'WIN') ? ',' : ':';

- $this->server = $server . (($this->port) ? $port_delimiter . $this->port : '');

-

- @ini_set('mssql.charset', 'UTF-8');

- @ini_set('mssql.textlimit', 2147483647);

- @ini_set('mssql.textsize', 2147483647);

-

- $this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $password, $new_link) : @mssql_connect($this->server, $this->user, $password, $new_link);

-

- if (!$this->db_connect_id || !$this->dbname)

- {

- return $this->sql_error(phpbb::$last_notice['message']);

- }

-

- if (!@mssql_select_db($this->dbname, $this->db_connect_id))

- {

- return $this->sql_error('');

- }

-

- return $this->db_connect_id;

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#mssql_version')) === false)

- {

- $result_id = @mssql_query("SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY('productlevel'), SERVERPROPERTY('edition')", $this->db_connect_id);

-

- $row = false;

- if ($result_id)

- {

- $row = @mssql_fetch_assoc($result_id);

- @mssql_free_result($result_id);

- }

-

- $this->sql_server_version = ($row) ? trim(implode(' ', $row)) : 0;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#mssql_version', $this->sql_server_version);

- }

- }

-

- if ($raw)

- {

- return $this->sql_server_version;

- }

-

- return ($this->sql_server_version) ? 'MSSQL<br />' . $this->sql_server_version : 'MSSQL';

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- return @mssql_query($query, $this->db_connect_id);

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- // Since TOP is only returning a set number of rows we won't need it if total is set to 0 (return all rows)

- if ($total)

- {

- // We need to grab the total number of rows + the offset number of rows to get the correct result

- if (strpos($query, 'SELECT DISTINCT') === 0)

- {

- $query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15);

- }

- else

- {

- $query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6);

- }

- }

-

- $result = $this->sql_query($query, $cache_ttl);

-

- // Seek by $offset rows

- if ($offset)

- {

- @mssql_data_seek($result, $offset);

- }

-

- return $result;

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @mssql_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @mssql_query('BEGIN TRANSACTION', $this->db_connect_id);

- break;

-

- case 'commit':

- return @mssql_query('COMMIT TRANSACTION', $this->db_connect_id);

- break;

-

- case 'rollback':

- return @mssql_query('ROLLBACK TRANSACTION', $this->db_connect_id);

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- $result_id = @mssql_query('SELECT SCOPE_IDENTITY()', $this->db_connect_id);

-

- if ($result_id)

- {

- if ($row = @mssql_fetch_assoc($result_id))

- {

- @mssql_free_result($result_id);

- return $row['computed'];

- }

- @mssql_free_result($result_id);

- }

-

- return false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- $row = @mssql_fetch_assoc($query_id);

-

- // I hope i am able to remove this later... hopefully only a PHP or MSSQL bug

- if ($row)

- {

- foreach ($row as $key => $value)

- {

- $row[$key] = ($value === ' ' || $value === NULL) ? '' : $value;

- }

- }

-

- return $row;

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @mssql_free_result($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression . " ESCAPE '\\'";

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return str_replace(array("'", "\0"), array("''", ''), $msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'DATALENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- $error = array(

- 'message' => @mssql_get_last_message(),

- 'code' => ''

- );

-

- // Get error code number

- $result_id = @mssql_query('SELECT @@ERROR as code', $this->db_connect_id);

- if ($result_id)

- {

- $row = @mssql_fetch_assoc($result_id);

- $error['code'] = $row['code'];

- @mssql_free_result($result_id);

- }

-

- // Get full error message if possible

- $sql = 'SELECT CAST(description as varchar(255)) as message

- FROM master.dbo.sysmessages

- WHERE error = ' . $error['code'];

- $result_id = @mssql_query($sql);

-

- if ($result_id)

- {

- $row = @mssql_fetch_assoc($result_id);

- if (!empty($row['message']))

- {

- $error['message'] .= '<br />' . $row['message'];

- }

- @mssql_free_result($result_id);

- }

-

- return $error;

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'start':

- $html_table = false;

- @mssql_query('SET SHOWPLAN_TEXT ON;', $this->db_connect_id);

- if ($result = @mssql_query($query, $this->db_connect_id))

- {

- @mssql_next_result($result);

- while ($row = @mssql_fetch_row($result))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @mssql_query('SET SHOWPLAN_TEXT OFF;', $this->db_connect_id);

- @mssql_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @mssql_query($query, $this->db_connect_id);

- while ($void = @mssql_fetch_assoc($result))

- {

- // Take the time spent on parsing rows into account

- }

- @mssql_free_result($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-include_once(PHPBB_ROOT_PATH . 'includes/db/dbal.' . PHP_EXT);

-

-/**

-* MSSQL Database Abstraction Layer

-* Minimum Requirement is MSSQL 2005+

-* @package dbal

-*/

-class phpbb_dbal_mssql_2005 extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'mssql';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => '[int]',

- 'BINT' => '[float]',

- 'UINT' => '[int]',

- 'UINT:' => '[int]',

- 'TINT:' => '[int]',

- 'USINT' => '[int]',

- 'BOOL' => '[int]',

- 'VCHAR' => '[varchar] (255)',

- 'VCHAR:' => '[varchar] (%d)',

- 'CHAR:' => '[char] (%d)',

- 'XSTEXT' => '[varchar] (1000)',

- 'STEXT' => '[varchar] (3000)',

- 'TEXT' => '[varchar] (8000)',

- 'MTEXT' => '[text]',

- 'XSTEXT_UNI'=> '[varchar] (100)',

- 'STEXT_UNI' => '[varchar] (255)',

- 'TEXT_UNI' => '[varchar] (4000)',

- 'MTEXT_UNI' => '[text]',

- 'TIMESTAMP' => '[int]',

- 'DECIMAL' => '[float]',

- 'DECIMAL:' => '[float]',

- 'PDECIMAL' => '[float]',

- 'PDECIMAL:' => '[float]',

- 'VCHAR_UNI' => '[varchar] (255)',

- 'VCHAR_UNI:'=> '[varchar] (%d)',

- 'VARBINARY' => '[varchar] (255)',

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server . (($port) ? ':' . $port : '');

- $this->dbname = $database;

- $this->port = $port;

-

- $conn_info = array();

- if ($this->user)

- {

- $conn_info['UID'] = $this->user;

- }

-

- if ($password)

- {

- $conn_info['PWD'] = $password;

- }

-

- $this->db_connect_id = @sqlsrv_connect($this->server, $conn_info);

-

- if (!$this->db_connect_id || !$this->dbname)

- {

- return $this->sql_error('');

- }

-

- if (!@sqlsrv_query($this->db_connect_id, 'USE ' . $this->dbname))

- {

- return $this->sql_error('');

- }

-

- return $this->db_connect_id;

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#mssql2005_version')) === false)

- {

- $server_info = @sqlsrv_server_info($this->db_connect_id);

-

- $this->sql_server_version = (!empty($server_info['SQLServerVersion'])) ? $server_info['SQLServerVersion'] : 0;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#mssql2005_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : 'MSSQL ' . $this->sql_server_version;

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- if (strpos($query, 'BEGIN') === 0 || strpos($query, 'COMMIT') === 0)

- {

- return true;

- }

-

- return @sqlsrv_query($this->db_connect_id, $query);

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- // Since TOP is only returning a set number of rows we won't need it if total is set to 0 (return all rows)

- if ($total)

- {

- // We need to grab the total number of rows + the offset number of rows to get the correct result

- if (strpos($query, 'SELECT DISTINCT') === 0)

- {

- $query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15);

- }

- else

- {

- $query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6);

- }

- }

-

- $result = $this->sql_query($query, $cache_ttl);

-

- // Seek by $offset rows

- if ($offset)

- {

- // We do not fetch the row for rownum == 0 because then the next resultset would be the second row

- for ($i = 0; $i < $offset; $i++)

- {

- if (!$this->sql_fetchrow($result))

- {

- return false;

- }

- }

- }

-

- return $result;

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @sqlsrv_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @sqlsrv_query($this->db_connect_id, 'BEGIN TRANSACTION');

- break;

-

- case 'commit':

- return @sqlsrv_query($this->db_connect_id, 'COMMIT TRANSACTION');

- break;

-

- case 'rollback':

- return @sqlsrv_query($this->db_connect_id, 'ROLLBACK TRANSACTION');

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @sqlsrv_rows_affected($this->db_connect_id) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- $result_id = @sqlsrv_query($this->db_connect_id, 'SELECT SCOPE_IDENTITY()');

- if ($result_id)

- {

- if ($row = @sqlsrv_fetch_array($result_id, SQLSRV_FETCH_ASSOC))

- {

- @sqlsrv_free_stmt($result_id);

- return $row['computed'];

- }

- @sqlsrv_free_stmt($result_id);

- }

-

- return false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- $row = @sqlsrv_fetch_array($query_id, SQLSRV_FETCH_ASSOC);

-

- // I hope i am able to remove this later... hopefully only a PHP or MSSQL bug

- if ($row)

- {

- foreach ($row as $key => $value)

- {

- $row[$key] = ($value === ' ' || $value === NULL) ? '' : $value;

- }

- }

-

- return $row;

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @sqlsrv_free_stmt($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression . " ESCAPE '\\'";

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return str_replace("'", "''", $msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'DATALENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- $message = $code = array();

- foreach (@sqlsrv_errors() as $error_array)

- {

- $message[] = $error_array['message'];

- $code[] = $error_array['code'];

- }

-

- $error = array(

- 'message' => implode('<br />', $message),

- 'code' => implode('<br />', $code),

- );

-

- return $error;

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @sqlsrv_query($this->db_connect_id, $query);

- while ($void = @sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC))

- {

- // Take the time spent on parsing rows into account

- }

- @sqlsrv_free_stmt($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-include_once(PHPBB_ROOT_PATH . 'includes/db/dbal.' . PHP_EXT);

-

-/**

-* Unified ODBC functions

-* Unified ODBC functions support any database having ODBC driver, for example Adabas D, IBM DB2, iODBC, Solid, Sybase SQL Anywhere...

-* Here we only support MSSQL Server 2000+ because of the provided schema

-*

-* @note number of bytes returned for returning data depends on odbc.defaultlrl php.ini setting.

-* If it is limited to 4K for example only 4K of data is returned max, resulting in incomplete theme data for example.

-* @note odbc.defaultbinmode may affect UTF8 characters

-*

-* @package dbal

-*/

-class phpbb_dbal_mssql_odbc extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'mssql';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => '[int]',

- 'BINT' => '[float]',

- 'UINT' => '[int]',

- 'UINT:' => '[int]',

- 'TINT:' => '[int]',

- 'USINT' => '[int]',

- 'BOOL' => '[int]',

- 'VCHAR' => '[varchar] (255)',

- 'VCHAR:' => '[varchar] (%d)',

- 'CHAR:' => '[char] (%d)',

- 'XSTEXT' => '[varchar] (1000)',

- 'STEXT' => '[varchar] (3000)',

- 'TEXT' => '[varchar] (8000)',

- 'MTEXT' => '[text]',

- 'XSTEXT_UNI'=> '[varchar] (100)',

- 'STEXT_UNI' => '[varchar] (255)',

- 'TEXT_UNI' => '[varchar] (4000)',

- 'MTEXT_UNI' => '[text]',

- 'TIMESTAMP' => '[int]',

- 'DECIMAL' => '[float]',

- 'DECIMAL:' => '[float]',

- 'PDECIMAL' => '[float]',

- 'PDECIMAL:' => '[float]',

- 'VCHAR_UNI' => '[varchar] (255)',

- 'VCHAR_UNI:'=> '[varchar] (%d)',

- 'VARBINARY' => '[varchar] (255)',

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->dbname = $database;

- $this->port = $port;

-

- $port_delimiter = (defined('PHP_OS') && substr(PHP_OS, 0, 3) === 'WIN') ? ',' : ':';

- $this->server = $server . (($port) ? $port_delimiter . $port : '');

-

- $max_size = @ini_get('odbc.defaultlrl');

- if (!empty($max_size))

- {

- $unit = strtolower(substr($max_size, -1, 1));

- $max_size = (int) $max_size;

-

- if ($unit == 'k')

- {

- $max_size = floor($max_size / 1024);

- }

- else if ($unit == 'g')

- {

- $max_size *= 1024;

- }

- else if (is_numeric($unit))

- {

- $max_size = floor((int) ($max_size . $unit) / 1048576);

- }

- $max_size = max(8, $max_size) . 'M';

-

- @ini_set('odbc.defaultlrl', $max_size);

- }

-

- $this->db_connect_id = ($this->persistency) ? @odbc_pconnect($this->server, $this->user, $password) : @odbc_connect($this->server, $this->user, $password);

-

- return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#mssqlodbc_version')) === false)

- {

- $result_id = @odbc_exec($this->db_connect_id, "SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY('productlevel'), SERVERPROPERTY('edition')");

-

- $row = false;

- if ($result_id)

- {

- $row = @odbc_fetch_array($result_id);

- @odbc_free_result($result_id);

- }

-

- $this->sql_server_version = ($row) ? trim(implode(' ', $row)) : 0;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#mssqlodbc_version', $this->sql_server_version);

- }

- }

-

- if ($raw)

- {

- return $this->sql_server_version;

- }

-

- return ($this->sql_server_version) ? 'MSSQL (ODBC)<br />' . $this->sql_server_version : 'MSSQL (ODBC)';

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- return @odbc_exec($this->db_connect_id, $query);

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- // Since TOP is only returning a set number of rows we won't need it if total is set to 0 (return all rows)

- if ($total)

- {

- // We need to grab the total number of rows + the offset number of rows to get the correct result

- if (strpos($query, 'SELECT DISTINCT') === 0)

- {

- $query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15);

- }

- else

- {

- $query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6);

- }

- }

-

- $result = $this->sql_query($query, $cache_ttl);

-

- // Seek by $offset rows

- if ($offset)

- {

- // We do not fetch the row for rownum == 0 because then the next resultset would be the second row

- for ($i = 0; $i < $offset; $i++)

- {

- if (!$this->sql_fetchrow($result))

- {

- return false;

- }

- }

- }

-

- return $result;

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @odbc_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @odbc_exec($this->db_connect_id, 'BEGIN TRANSACTION');

- break;

-

- case 'commit':

- return @odbc_exec($this->db_connect_id, 'COMMIT TRANSACTION');

- break;

-

- case 'rollback':

- return @odbc_exec($this->db_connect_id, 'ROLLBACK TRANSACTION');

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @odbc_num_rows($this->query_result) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- $result_id = @odbc_exec($this->db_connect_id, 'SELECT @@IDENTITY');

-

- if ($result_id)

- {

- if (@odbc_fetch_array($result_id))

- {

- $id = @odbc_result($result_id, 1);

- @odbc_free_result($result_id);

- return $id;

- }

- @odbc_free_result($result_id);

- }

-

- return false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- * @note number of bytes returned depends on odbc.defaultlrl php.ini setting. If it is limited to 4K for example only 4K of data is returned max.

- */

- protected function _sql_fetchrow($query_id)

- {

- return @odbc_fetch_array($query_id);

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @odbc_free_result($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression . " ESCAPE '\\'";

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return str_replace(array("'", "\0"), array("''", ''), $msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'DATALENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- if ($type === 'INSERT')

- {

- $stmt = odbc_prepare($this->db_connect_id, "INSERT INTO $table (". implode(', ', array_keys($data)) . ") VALUES (" . substr(str_repeat('?, ', sizeof($data)) ,0, -1) . ')');

- }

- else

- {

- $query = "UPDATE $table SET ";

-

- $set = array();

- foreach (array_keys($data) as $key)

- {

- $set[] = "$key = ?";

- }

- $query .= implode(', ', $set);

-

- if ($where !== '')

- {

- $query .= $where;

- }

-

- $stmt = odbc_prepare($this->db_connect_id, $query);

- }

-

- // get the stmt onto the top of the function arguments

- array_unshift($data, $stmt);

-

- call_user_func_array('odbc_execute', $data);

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- return array(

- 'message' => @odbc_errormsg(),

- 'code' => @odbc_error()

- );

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'start':

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @odbc_exec($this->db_connect_id, $query);

- while ($void = @odbc_fetch_array($result))

- {

- // Take the time spent on parsing rows into account

- }

- @odbc_free_result($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* MySQL Database Abstraction Layer

-* Compatible with:

-* MySQL 4.1+

-* MySQL 5.0+

-* @package dbal

-*/

-class phpbb_dbal_mysql extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'mysql';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => 'int(%d)',

- 'BINT' => 'bigint(20)',

- 'UINT' => 'mediumint(8) UNSIGNED',

- 'UINT:' => 'int(%d) UNSIGNED',

- 'TINT:' => 'tinyint(%d)',

- 'USINT' => 'smallint(4) UNSIGNED',

- 'BOOL' => 'tinyint(1) UNSIGNED',

- 'VCHAR' => 'varchar(255)',

- 'VCHAR:' => 'varchar(%d)',

- 'CHAR:' => 'char(%d)',

- 'XSTEXT' => 'text',

- 'XSTEXT_UNI'=> 'varchar(100)',

- 'STEXT' => 'text',

- 'STEXT_UNI' => 'varchar(255)',

- 'TEXT' => 'text',

- 'TEXT_UNI' => 'text',

- 'MTEXT' => 'mediumtext',

- 'MTEXT_UNI' => 'mediumtext',

- 'TIMESTAMP' => 'int(11) UNSIGNED',

- 'DECIMAL' => 'decimal(5,2)',

- 'DECIMAL:' => 'decimal(%d,2)',

- 'PDECIMAL' => 'decimal(6,3)',

- 'PDECIMAL:' => 'decimal(%d,3)',

- 'VCHAR_UNI' => 'varchar(255)',

- 'VCHAR_UNI:'=> 'varchar(%d)',

- 'VARBINARY' => 'varbinary(255)',

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server . (($port) ? ':' . $port : '');

- $this->dbname = $database;

- $this->port = $port;

-

- $this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $password, $new_link) : @mysql_connect($this->server, $this->user, $password, $new_link);

-

- if (!$this->db_connect_id || !$this->dbname)

- {

- return $this->sql_error('');

- }

-

- if (!@mysql_select_db($this->dbname, $this->db_connect_id))

- {

- return $this->sql_error('');

- }

-

- @mysql_query("SET NAMES 'utf8'", $this->db_connect_id);

-

- // enforce strict mode on databases that support it

- if (version_compare($this->sql_server_info(true), '5.0.2', '>='))

- {

- $result = @mysql_query('SELECT @@session.sql_mode AS sql_mode', $this->db_connect_id);

- $row = @mysql_fetch_assoc($result);

- @mysql_free_result($result);

-

- $modes = array_map('trim', explode(',', $row['sql_mode']));

-

- // TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES

- if (!in_array('TRADITIONAL', $modes))

- {

- if (!in_array('STRICT_ALL_TABLES', $modes))

- {

- $modes[] = 'STRICT_ALL_TABLES';

- }

-

- if (!in_array('STRICT_TRANS_TABLES', $modes))

- {

- $modes[] = 'STRICT_TRANS_TABLES';

- }

- }

-

- $mode = implode(',', $modes);

- @mysql_query("SET SESSION sql_mode='{$mode}'", $this->db_connect_id);

- }

-

- return $this->db_connect_id;

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#mysql_version')) === false)

- {

- $result = @mysql_query('SELECT VERSION() AS version', $this->db_connect_id);

- $row = @mysql_fetch_assoc($result);

- @mysql_free_result($result);

-

- $this->sql_server_version = trim($row['version']);

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#mysql_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : 'MySQL ' . $this->sql_server_version;

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- return @mysql_query($query, $this->db_connect_id);

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- // if $total is set to 0 we do not want to limit the number of rows

- if ($total == 0)

- {

- // MySQL 4.1+ no longer supports -1 in limit queries

- $total = '18446744073709551615';

- }

-

- $query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);

- return $this->sql_query($query, $cache_ttl);

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @mysql_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @mysql_query('BEGIN', $this->db_connect_id);

- break;

-

- case 'commit':

- return @mysql_query('COMMIT', $this->db_connect_id);

- break;

-

- case 'rollback':

- return @mysql_query('ROLLBACK', $this->db_connect_id);

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- return @mysql_fetch_assoc($query_id);

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @mysql_free_result($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression;

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- if (!$this->db_connect_id)

- {

- return @mysql_real_escape_string($msg);

- }

-

- return @mysql_real_escape_string($msg, $this->db_connect_id);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'LENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- switch ($stage)

- {

- case 'FROM':

- $data = '(' . $data . ')';

- break;

- }

-

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- if (!$this->db_connect_id)

- {

- return array(

- 'message' => @mysql_error(),

- 'code' => @mysql_errno()

- );

- }

-

- return array(

- 'message' => @mysql_error($this->db_connect_id),

- 'code' => @mysql_errno($this->db_connect_id)

- );

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- static $test_prof;

- static $test_extend;

-

- // current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING

- if ($test_prof === null)

- {

- $test_prof = $test_extend = false;

- if (version_compare($this->sql_server_info(true), '5.0.37', '>=') && version_compare($this->sql_server_info(true), '5.1', '<'))

- {

- $test_prof = true;

- }

-

- if (version_compare($this->sql_server_info(true), '4.1.1', '>='))

- {

- $test_extend = true;

- }

- }

-

- switch ($mode)

- {

- case 'start':

-

- $explain_query = $query;

- if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))

- {

- $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];

- }

- else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))

- {

- $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];

- }

-

- if (preg_match('/^SELECT/', $explain_query))

- {

- $html_table = false;

-

- // begin profiling

- if ($test_prof)

- {

- @mysql_query('SET profiling = 1;', $this->db_connect_id);

- }

-

- if ($result = @mysql_query('EXPLAIN ' . (($test_extend) ? 'EXTENDED ' : '') . "$explain_query", $this->db_connect_id))

- {

- while ($row = @mysql_fetch_assoc($result))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @mysql_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

-

- if ($test_extend)

- {

- $html_table = false;

-

- if ($result = @mysql_query('SHOW WARNINGS', $this->db_connect_id))

- {

- $this->html_hold .= '<br />';

- while ($row = @mysql_fetch_assoc($result))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @mysql_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

- }

-

- if ($test_prof)

- {

- $html_table = false;

-

- // get the last profile

- if ($result = @mysql_query('SHOW PROFILE ALL;', $this->db_connect_id))

- {

- $this->html_hold .= '<br />';

- while ($row = @mysql_fetch_assoc($result))

- {

- // make <unknown> HTML safe

- if (!empty($row['Source_function']))

- {

- $row['Source_function'] = str_replace(array('<', '>'), array('&lt;', '&gt;'), $row['Source_function']);

- }

-

- // remove unsupported features

- foreach ($row as $key => $val)

- {

- if ($val === null)

- {

- unset($row[$key]);

- }

- }

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @mysql_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

-

- @mysql_query('SET profiling = 0;', $this->db_connect_id);

- }

- }

-

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @mysql_query($query, $this->db_connect_id);

- while ($void = @mysql_fetch_assoc($result))

- {

- // Take the time spent on parsing rows into account

- }

- @mysql_free_result($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* MySQLi Database Abstraction Layer

-* Compatible with:

-* MySQL 4.1+

-* MySQL 5.0+

-* @package dbal

-*/

-class phpbb_dbal_mysqli extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'mysql';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => 'int(%d)',

- 'BINT' => 'bigint(20)',

- 'UINT' => 'mediumint(8) UNSIGNED',

- 'UINT:' => 'int(%d) UNSIGNED',

- 'TINT:' => 'tinyint(%d)',

- 'USINT' => 'smallint(4) UNSIGNED',

- 'BOOL' => 'tinyint(1) UNSIGNED',

- 'VCHAR' => 'varchar(255)',

- 'VCHAR:' => 'varchar(%d)',

- 'CHAR:' => 'char(%d)',

- 'XSTEXT' => 'text',

- 'XSTEXT_UNI'=> 'varchar(100)',

- 'STEXT' => 'text',

- 'STEXT_UNI' => 'varchar(255)',

- 'TEXT' => 'text',

- 'TEXT_UNI' => 'text',

- 'MTEXT' => 'mediumtext',

- 'MTEXT_UNI' => 'mediumtext',

- 'TIMESTAMP' => 'int(11) UNSIGNED',

- 'DECIMAL' => 'decimal(5,2)',

- 'DECIMAL:' => 'decimal(%d,2)',

- 'PDECIMAL' => 'decimal(6,3)',

- 'PDECIMAL:' => 'decimal(%d,3)',

- 'VCHAR_UNI' => 'varchar(255)',

- 'VCHAR_UNI:'=> 'varchar(%d)',

- 'VARBINARY' => 'varbinary(255)',

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server;

- $this->dbname = $database;

- $this->port = (!$port) ? NULL : $port;

-

- // Persistant connections not supported by the mysqli extension?

- $this->db_connect_id = @mysqli_connect($this->server, $this->user, $password, $this->dbname, $this->port);

-

- if (!$this->db_connect_id || !$this->dbname)

- {

- return $this->sql_error('');

- }

-

- @mysqli_query($this->db_connect_id, "SET NAMES 'utf8'");

-

- // enforce strict mode on databases that support it

- if (version_compare($this->sql_server_info(true), '5.0.2', '>='))

- {

- $result = @mysqli_query($this->db_connect_id, 'SELECT @@session.sql_mode AS sql_mode');

- $row = @mysqli_fetch_assoc($result);

- @mysqli_free_result($result);

-

- $modes = array_map('trim', explode(',', $row['sql_mode']));

-

- // TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES

- if (!in_array('TRADITIONAL', $modes))

- {

- if (!in_array('STRICT_ALL_TABLES', $modes))

- {

- $modes[] = 'STRICT_ALL_TABLES';

- }

-

- if (!in_array('STRICT_TRANS_TABLES', $modes))

- {

- $modes[] = 'STRICT_TRANS_TABLES';

- }

- }

-

- $mode = implode(',', $modes);

- @mysqli_query($this->db_connect_id, "SET SESSION sql_mode='{$mode}'");

- }

-

- return $this->db_connect_id;

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#mysqli_version')) === false)

- {

- $result = @mysqli_query($this->db_connect_id, 'SELECT VERSION() AS version');

- $row = @mysqli_fetch_assoc($result);

- @mysqli_free_result($result);

-

- $this->sql_server_version = trim($row['version']);

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#mysqli_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : 'MySQL(i) ' . $this->sql_server_version;

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- return @mysqli_query($this->db_connect_id, $query);

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- // if $total is set to 0 we do not want to limit the number of rows

- if ($total == 0)

- {

- // MySQL 4.1+ no longer supports -1 in limit queries

- $total = '18446744073709551615';

- }

-

- $query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);

- return $this->sql_query($query, $cache_ttl);

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @mysqli_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @mysqli_autocommit($this->db_connect_id, false);

- break;

-

- case 'commit':

- $result = @mysqli_commit($this->db_connect_id);

- @mysqli_autocommit($this->db_connect_id, true);

- return $result;

- break;

-

- case 'rollback':

- $result = @mysqli_rollback($this->db_connect_id);

- @mysqli_autocommit($this->db_connect_id, true);

- return $result;

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @mysqli_affected_rows($this->db_connect_id) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- return ($this->db_connect_id) ? @mysqli_insert_id($this->db_connect_id) : false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- return @mysqli_fetch_assoc($query_id);

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @mysqli_free_result($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression;

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return @mysqli_real_escape_string($this->db_connect_id, $msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'LENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- if ($type === 'INSERT')

- {

- $stmt = mysqli_prepare($this->db_connect_id, "INSERT INTO $table (". implode(', ', array_keys($data)) . ") VALUES (" . substr(str_repeat('?, ', sizeof($data)) ,0, -1) . ')');

- }

- else

- {

- $query = "UPDATE $table SET ";

-

- $set = array();

- foreach (array_keys($data) as $key)

- {

- $set[] = "$key = ?";

- }

- $query .= implode(', ', $set);

-

- if ($where !== '')

- {

- $query .= ' WHERE ' . $where;

- }

-

- $stmt = mysqli_prepare($this->db_connect_id, $query);

- }

-

- // get the stmt onto the top of the function arguments

- array_unshift($data, $stmt);

-

- call_user_func_array('mysqli_stmt_bind_param', $data);

- mysqli_stmt_execute($stmt);

-

- mysqli_stmt_close($stmt);

- }

-*/

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- switch ($stage)

- {

- case 'FROM':

- $data = '(' . $data . ')';

- break;

- }

-

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- if (!$this->db_connect_id)

- {

- return array(

- 'message' => @mysqli_connect_error(),

- 'code' => @mysqli_connect_errno()

- );

- }

-

- return array(

- 'message' => @mysqli_error($this->db_connect_id),

- 'code' => @mysqli_errno($this->db_connect_id)

- );

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- static $test_prof;

- static $test_extend;

-

- // current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING

- if ($test_prof === null)

- {

- $test_prof = $test_extend = false;

- if (version_compare($this->sql_server_info(true), '5.0.37', '>=') && version_compare($this->sql_server_info(true), '5.1', '<'))

- {

- $test_prof = true;

- }

-

- if (version_compare($this->sql_server_info(true), '4.1.1', '>='))

- {

- $test_extend = true;

- }

- }

-

- switch ($mode)

- {

- case 'start':

-

- $explain_query = $query;

- if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))

- {

- $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];

- }

- else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))

- {

- $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];

- }

-

- if (preg_match('/^SELECT/', $explain_query))

- {

- $html_table = false;

-

- // begin profiling

- if ($test_prof)

- {

- @mysqli_query($this->db_connect_id, 'SET profiling = 1;');

- }

-

- if ($result = @mysqli_query($this->db_connect_id, 'EXPLAIN ' . (($test_extend) ? 'EXTENDED ' : '') . "$explain_query"))

- {

- while ($row = @mysqli_fetch_assoc($result))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @mysqli_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

-

- if ($test_extend)

- {

- $html_table = false;

-

- if ($result = @mysqli_query($this->db_connect_id, 'SHOW WARNINGS'))

- {

- $this->html_hold .= '<br />';

- while ($row = @mysqli_fetch_assoc($result))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @mysqli_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

- }

-

- if ($test_prof)

- {

- $html_table = false;

-

- // get the last profile

- if ($result = @mysqli_query($this->db_connect_id, 'SHOW PROFILE ALL;'))

- {

- $this->html_hold .= '<br />';

- while ($row = @mysqli_fetch_assoc($result))

- {

- // make <unknown> HTML safe

- if (!empty($row['Source_function']))

- {

- $row['Source_function'] = str_replace(array('<', '>'), array('&lt;', '&gt;'), $row['Source_function']);

- }

-

- // remove unsupported features

- foreach ($row as $key => $val)

- {

- if ($val === null)

- {

- unset($row[$key]);

- }

- }

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @mysqli_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

-

- @mysqli_query($this->db_connect_id, 'SET profiling = 0;');

- }

- }

-

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @mysqli_query($this->db_connect_id, $query);

- while ($void = @mysqli_fetch_assoc($result))

- {

- // Take the time spent on parsing rows into account

- }

- @mysqli_free_result($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Oracle Database Abstraction Layer

-* Minimum Requirement: 9.2+

-* @package dbal

-*/

-class phpbb_dbal_oracle extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'oracle';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => 'number(%d)',

- 'BINT' => 'number(20)',

- 'UINT' => 'number(8)',

- 'UINT:' => 'number(%d)',

- 'TINT:' => 'number(%d)',

- 'USINT' => 'number(4)',

- 'BOOL' => 'number(1)',

- 'VCHAR' => 'varchar2(255)',

- 'VCHAR:' => 'varchar2(%d)',

- 'CHAR:' => 'char(%d)',

- 'XSTEXT' => 'varchar2(1000)',

- 'STEXT' => 'varchar2(3000)',

- 'TEXT' => 'clob',

- 'MTEXT' => 'clob',

- 'XSTEXT_UNI'=> 'varchar2(300)',

- 'STEXT_UNI' => 'varchar2(765)',

- 'TEXT_UNI' => 'clob',

- 'MTEXT_UNI' => 'clob',

- 'TIMESTAMP' => 'number(11)',

- 'DECIMAL' => 'number(5, 2)',

- 'DECIMAL:' => 'number(%d, 2)',

- 'PDECIMAL' => 'number(6, 3)',

- 'PDECIMAL:' => 'number(%d, 3)',

- 'VCHAR_UNI' => 'varchar2(255)',

- 'VCHAR_UNI:'=> array('varchar2(%d)', 'limit' => array('mult', 3, 765, 'clob')),

- 'VARBINARY' => 'raw(255)',

- );

-

- /**

- * @var string Last query executed. We need this for sql_nextid()

- */

- var $last_query_text = '';

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server . (($port) ? ':' . $port : '');

- $this->dbname = $database;

- $this->port = $port;

-

- $connect = $database;

-

- // support for "easy connect naming"

- if ($server !== '' && $server !== '/')

- {

- if (substr($server, -1, 1) == '/')

- {

- $server == substr($sqlserver, 0, -1);

- }

- $connect = $server . (($port) ? ':' . $port : '') . '/' . $database;

- }

-

- $this->db_connect_id = ($new_link) ? @oci_new_connect($this->user, $password, $connect, 'AL32UTF8') : (($this->persistency) ? @oci_pconnect($this->user, $password, $connect, 'AL32UTF8') : @oci_connect($this->user, $password, $connect, 'AL32UTF8'));

-

- return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#oracle_version')) === false)

- {

- $sql = "SELECT value

- FROM NLS_DATABASE_PARAMETERS

- WHERE PARAMETER = 'NLS_RDBMS_VERSION'";

- $result = @ociparse($this->db_connect_id, $sql);

- @ociexecute($result, OCI_DEFAULT);

- @ocicommit($this->db_connect_id);

-

- $row = array();

- @ocifetchinto($result, $row, OCI_ASSOC + OCI_RETURN_NULLS);

- @ocifreestatement($result);

-

- $this->sql_server_version = (isset($row['VALUE'])) ? trim($row['VALUE']) : 0;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#oracle_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : @oci_server_version($this->db_connect_id);

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- $this->last_query_text = $query;

-

- $in_transaction = false;

- if (!$this->transaction)

- {

- $this->sql_transaction('begin');

- }

- else

- {

- $in_transaction = true;

- }

-

- $array = array();

-

- // We overcome Oracle's 4000 char limit by binding vars

- if (strlen($query) > 4000)

- {

- if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/s', $query, $regs))

- {

- if (strlen($regs[3]) > 4000)

- {

- $cols = explode(', ', $regs[2]);

- preg_match_all('/\'(?:[^\']++|\'\')*+\'|[\d-.]+/', $regs[3], $vals, PREG_PATTERN_ORDER);

-

- $inserts = $vals[0];

- unset($vals);

-

- foreach ($inserts as $key => $value)

- {

- // check to see if this thing is greater than the max + 'x2

- if (!empty($value) && $value[0] === "'" && strlen($value) > 4002)

- {

- $inserts[$key] = ':' . strtoupper($cols[$key]);

- $array[$inserts[$key]] = str_replace("''", "'", substr($value, 1, -1));

- }

- }

-

- $query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')';

- }

- }

- else if (preg_match_all('/^(UPDATE [\\w_]++\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+)\\s+(WHERE.*)$/s', $query, $data, PREG_SET_ORDER))

- {

- if (strlen($data[0][2]) > 4000)

- {

- $update = $data[0][1];

- $where = $data[0][3];

- preg_match_all('/([\\w_]++)\\s*=\\s*(\'(?:[^\']++|\'\')*+\'|[\d-.]++)/', $data[0][2], $temp, PREG_SET_ORDER);

- unset($data);

-

- $cols = array();

- foreach ($temp as $value)

- {

- // check to see if this thing is greater than the max + 'x2

- if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 4002)

- {

- $cols[] = $value[1] . '=:' . strtoupper($value[1]);

- $array[$value[1]] = str_replace("''", "'", substr($value[2], 1, -1));

- }

- else

- {

- $cols[] = $value[1] . '=' . $value[2];

- }

- }

-

- $query = $update . implode(', ', $cols) . ' ' . $where;

- unset($cols);

- }

- }

- }

-

- switch (substr($query, 0, 6))

- {

- case 'DELETE':

- if (preg_match('/^(DELETE FROM [\w_]++ WHERE)((?:\s*(?:AND|OR)?\s*[\w_]+\s*(?:(?:=|<>)\s*(?>\'(?>[^\']++|\'\')*+\'|[\d-.]+)|(?:NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]+,? ?)*+\)))*+)$/', $query, $regs))

- {

- $query = $regs[1] . $this->_rewrite_where($regs[2]);

- unset($regs);

- }

- break;

-

- case 'UPDATE':

- if (preg_match('/^(UPDATE [\\w_]++\\s+SET [\\w_]+\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]++|:\w++)(?:, [\\w_]+\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]++|:\w++))*+\\s+WHERE)(.*)$/s', $query, $regs))

- {

- $query = $regs[1] . $this->_rewrite_where($regs[2]);

- unset($regs);

- }

- break;

-

- case 'SELECT':

- $query = preg_replace_callback('/([\w_.]++)\s*(?:(=|<>)\s*(?>\'(?>[^\']++|\'\')*+\'|[\d-.]++|([\w_.]++))|(?:NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]++,? ?)*+\))/', array($this, '_rewrite_col_compare'), $query);

- break;

- }

-

- $result = @oci_parse($this->db_connect_id, $query);

-

- if (!$result)

- {

- return false;

- }

-

- foreach ($array as $key => $value)

- {

- @oci_bind_by_name($result, $key, $array[$key], -1);

- }

-

- $success = @oci_execute($result, OCI_DEFAULT);

-

- if (!$success)

- {

- return false;

- }

-

- if (!$in_transaction)

- {

- $this->sql_transaction('commit');

- }

-

- return $result;

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- $query = 'SELECT * FROM (SELECT /*+ FIRST_ROWS */ rownum AS xrownum, a.* FROM (' . $query . ') a WHERE rownum <= ' . ($offset + $total) . ') WHERE xrownum >= ' . $offset;

- return $this->sql_query($query, $cache_ttl);

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @oci_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return true;

- break;

-

- case 'commit':

- return @oci_commit($this->db_connect_id);

- break;

-

- case 'rollback':

- return @oci_rollback($this->db_connect_id);

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->query_result) ? @oci_num_rows($this->query_result) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- if (!$this->query_result || !$this->last_query_text)

- {

- return false;

- }

-

- if (preg_match('#^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)#is', $this->last_query_text, $tablename))

- {

- $query = 'SELECT ' . $tablename[1] . '_seq.currval FROM DUAL';

- $stmt = @oci_parse($this->db_connect_id, $query);

- @oci_execute($stmt, OCI_DEFAULT);

-

- $temp_array = @oci_fetch_array($stmt, OCI_ASSOC + OCI_RETURN_NULLS);

- @oci_free_statement($stmt);

-

- return (isset($temp_array['CURRVAL'])) ? $temp_array['CURRVAL'] : false;

- }

-

- return false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- $row = @oci_fetch_array($query_id, OCI_ASSOC + OCI_RETURN_NULLS);

-

- if (!$row)

- {

- return false;

- }

-

- $result_row = array();

- foreach ($row as $key => $value)

- {

- // Oracle treats empty strings as null

- if (is_null($value))

- {

- $value = '';

- }

-

- // OCI->CLOB?

- if (is_object($value))

- {

- $value = $value->load();

- }

-

- $result_row[strtolower($key)] = $value;

- }

-

- return $result_row;

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @oci_free_statement($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression . " ESCAPE '\\'";

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return str_replace(array("'", "\0"), array("''", ''), $msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- return 'LENGTH(' . $col . ')';

- break;

-

- case 'length_text':

- return 'dbms_lob.getlength(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- if ($type === 'INSERT')

- {

- $stmt = oci_parse($this->db_connect_id, "INSERT INTO $table (". implode(', ', array_keys($data)) . ") VALUES (:" . implode(', :', array_keys($data)) . ')');

- }

- else

- {

- $query = "UPDATE $table SET ";

-

- $set = array();

- foreach (array_keys($data) as $key)

- {

- $set[] = "$key = :$key";

- }

- $query .= implode(', ', $set);

-

- if ($where !== '')

- {

- $query .= $where;

- }

-

- $stmt = oci_parse($this->db_connect_id, $query);

- }

-

- foreach ($data as $column => $value)

- {

- oci_bind_by_name($stmt, ":$column", $data[$column], -1);

- }

-

- oci_execute($stmt);

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- $error = @oci_error();

- $error = (empty($error)) ? @oci_error($this->query_result) : $error;

- $error = (empty($error)) ? @oci_error($this->db_connect_id) : $error;

-

- if (empty($error))

- {

- $error = array(

- 'message' => '',

- 'code' => '',

- );

- }

-

- return $error;

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'start':

- $html_table = false;

-

- // Grab a plan table, any will do

- $sql = "SELECT table_name

- FROM USER_TABLES

- WHERE table_name LIKE '%PLAN_TABLE%'";

- $stmt = @oci_parse($this->db_connect_id, $sql);

- @oci_execute($stmt);

- $result = array();

-

- if ($result = @oci_fetch_array($stmt, OCI_ASSOC + OCI_RETURN_NULLS))

- {

- $table = $result['TABLE_NAME'];

-

- // This is the statement_id that will allow us to track the plan

- $statement_id = substr(md5($query), 0, 30);

-

- // Remove any stale plans

- $stmt2 = @oci_parse($this->db_connect_id, "DELETE FROM $table WHERE statement_id='$statement_id'");

- @oci_execute($stmt2);

- @oci_free_statement($stmt2);

-

- // Explain the plan

- $sql = "EXPLAIN PLAN

- SET STATEMENT_ID = '$statement_id'

- FOR $query";

- $stmt2 = @ociparse($this->db_connect_id, $sql);

- @oci_execute($stmt2);

- @oci_free_statement($stmt2);

-

- // Get the data from the plan

- $sql = "SELECT operation, options, object_name, object_type, cardinality, cost

- FROM plan_table

- START WITH id = 0 AND statement_id = '$statement_id'

- CONNECT BY PRIOR id = parent_id

- AND statement_id = '$statement_id'";

- $stmt2 = @oci_parse($this->db_connect_id, $sql);

- @oci_execute($stmt2);

-

- $row = array();

- while ($row = @oci_fetch_array($stmt2, OCI_ASSOC + OCI_RETURN_NULLS))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- @oci_free_statement($stmt2);

-

- // Remove the plan we just made, we delete them on request anyway

- $stmt2 = @oci_parse($this->db_connect_id, "DELETE FROM $table WHERE statement_id='$statement_id'");

- @oci_execute($stmt2);

- @oci_free_statement($stmt2);

- }

-

- @oci_free_statement($stmt);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

-

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @oci_parse($this->db_connect_id, $query);

- $success = @oci_execute($result, OCI_DEFAULT);

- $row = array();

-

- while ($void = @oci_fetch_array($result, OCI_ASSOC + OCI_RETURN_NULLS))

- {

- // Take the time spent on parsing rows into account

- }

- @oci_free_statement($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-

- /**

- * Oracle specific code to handle the fact that it does not compare columns properly

- * @access private

- */

- private function _rewrite_col_compare($args)

- {

- if (sizeof($args) == 4)

- {

- if ($args[2] == '=')

- {

- return '(' . $args[0] . ' OR (' . $args[1] . ' is NULL AND ' . $args[3] . ' is NULL))';

- }

- else if ($args[2] == '<>')

- {

- // really just a fancy way of saying foo <> bar or (foo is NULL XOR bar is NULL) but SQL has no XOR :P

- return '(' . $args[0] . ' OR ((' . $args[1] . ' is NULL AND ' . $args[3] . ' is NOT NULL) OR (' . $args[1] . ' is NOT NULL AND ' . $args[3] . ' is NULL)))';

- }

- }

- else

- {

- return $this->_rewrite_where($args[0]);

- }

- }

-

- /**

- * Oracle specific code to handle it's lack of sanity

- * @access private

- */

- private function _rewrite_where($where_clause)

- {

- preg_match_all('/\s*(AND|OR)?\s*([\w_.]++)\s*(?:(=|<[=>]?|>=?)\s*((?>\'(?>[^\']++|\'\')*+\'|[\d-.]+))|((NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]+,? ?)*+\)))/', $where_clause, $result, PREG_SET_ORDER);

- $out = '';

-

- foreach ($result as $val)

- {

- if (!isset($val[5]))

- {

- if ($val[4] !== "''")

- {

- $out .= $val[0];

- }

- else

- {

- $out .= ' ' . $val[1] . ' ' . $val[2];

- if ($val[3] == '=')

- {

- $out .= ' is NULL';

- }

- else if ($val[3] == '<>')

- {

- $out .= ' is NOT NULL';

- }

- }

- }

- else

- {

- $in_clause = array();

- $sub_exp = substr($val[5], strpos($val[5], '(') + 1, -1);

- $extra = false;

- preg_match_all('/\'(?>[^\']++|\'\')*+\'|[\d-.]++/', $sub_exp, $sub_vals, PREG_PATTERN_ORDER);

- $i = 0;

-

- foreach ($sub_vals[0] as $sub_val)

- {

- // two things:

- // 1) This determines if an empty string was in the IN clausing, making us turn it into a NULL comparison

- // 2) This fixes the 1000 list limit that Oracle has (ORA-01795)

- if ($sub_val !== "''")

- {

- $in_clause[(int) $i++/1000][] = $sub_val;

- }

- else

- {

- $extra = true;

- }

- }

-

- if (!$extra && $i < 1000)

- {

- $out .= $val[0];

- }

- else

- {

- $out .= ' ' . $val[1] . '(';

- $in_array = array();

-

- // constuct each IN() clause

- foreach ($in_clause as $in_values)

- {

- $in_array[] = $val[2] . ' ' . (isset($val[6]) ? $val[6] : '') . 'IN(' . implode(', ', $in_values) . ')';

- }

-

- // Join the IN() clauses against a few ORs (IN is just a nicer OR anyway)

- $out .= implode(' OR ', $in_array);

-

- // handle the empty string case

- if ($extra)

- {

- $out .= ' OR ' . $val[2] . ' is ' . (isset($val[6]) ? $val[6] : '') . 'NULL';

- }

- $out .= ')';

-

- unset($in_array, $in_clause);

- }

- }

- }

-

- return $out;

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* PostgreSQL Database Abstraction Layer

-* Minimum Requirement: 8.2+

-* @package dbal

-*/

-class phpbb_dbal_postgres extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'postgres';

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => 'INT4',

- 'BINT' => 'INT8',

- 'UINT' => 'INT4', // unsigned

- 'UINT:' => 'INT4', // unsigned

- 'USINT' => 'INT2', // unsigned

- 'BOOL' => 'INT2', // unsigned

- 'TINT:' => 'INT2',

- 'VCHAR' => 'varchar(255)',

- 'VCHAR:' => 'varchar(%d)',

- 'CHAR:' => 'char(%d)',

- 'XSTEXT' => 'varchar(1000)',

- 'STEXT' => 'varchar(3000)',

- 'TEXT' => 'varchar(8000)',

- 'MTEXT' => 'TEXT',

- 'XSTEXT_UNI'=> 'varchar(100)',

- 'STEXT_UNI' => 'varchar(255)',

- 'TEXT_UNI' => 'varchar(4000)',

- 'MTEXT_UNI' => 'TEXT',

- 'TIMESTAMP' => 'INT4', // unsigned

- 'DECIMAL' => 'decimal(5,2)',

- 'DECIMAL:' => 'decimal(%d,2)',

- 'PDECIMAL' => 'decimal(6,3)',

- 'PDECIMAL:' => 'decimal(%d,3)',

- 'VCHAR_UNI' => 'varchar(255)',

- 'VCHAR_UNI:'=> 'varchar(%d)',

- 'VARBINARY' => 'bytea',

- );

-

- /**

- * @var string PostgreSQL schema (if supplied with $database -> database.schema)

- */

- public $schema = '';

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server;

- $this->dbname = $database;

- $this->port = $port;

-

- $connect_string = '';

-

- if ($this->user)

- {

- $connect_string .= 'user=' . $this->user . ' ';

- }

-

- if ($password)

- {

- $connect_string .= 'password=' . $password . ' ';

- }

-

- if ($this->server)

- {

- if (strpos($this->server, ':') !== false)

- {

- list($this->server, $this->port) = explode(':', $this->server, 2);

- }

-

- if ($this->server !== 'localhost')

- {

- $connect_string .= 'host=' . $this->server . ' ';

- }

-

- if ($this->port)

- {

- $connect_string .= 'port=' . $this->port . ' ';

- }

- }

-

- $this->schema = '';

-

- if ($this->dbname)

- {

- if (strpos($this->dbname, '.') !== false)

- {

- list($this->dbname, $this->schema) = explode('.', $this->dbname, 2);

- }

- $connect_string .= 'dbname=' . $this->dbname;

- }

-

- $this->db_connect_id = ($this->persistency) ? @pg_pconnect($connect_string, ($new_link) ? PGSQL_CONNECT_FORCE_NEW : false) : @pg_connect($connect_string, ($new_link) ? PGSQL_CONNECT_FORCE_NEW : false);

-

- if (!$this->db_connect_id)

- {

- return $this->sql_error(htmlspecialchars_decode(phpbb::$last_notice['message']));

- }

-

- if ($this->schema)

- {

- @pg_query($this->db_connect_id, 'SET search_path TO ' . $this->schema);

- }

-

- return $this->db_connect_id;

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#pgsql_version')) === false)

- {

- $query_id = @pg_query($this->db_connect_id, 'SELECT VERSION() AS version');

- $row = @pg_fetch_assoc($query_id, null);

- @pg_free_result($query_id);

-

- $this->sql_server_version = (!empty($row['version'])) ? trim(substr($row['version'], 10)) : 0;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#pgsql_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : 'PostgreSQL ' . $this->sql_server_version;

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- return @pg_query($this->db_connect_id, $query);

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- // if $total is set to 0 we do not want to limit the number of rows

- if ($total == 0)

- {

- $total = 'ALL';

- }

-

- $query .= "\n LIMIT $total OFFSET $offset";

- return $this->sql_query($query, $cache_ttl);

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @pg_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @pg_query($this->db_connect_id, 'BEGIN');

- break;

-

- case 'commit':

- return @pg_query($this->db_connect_id, 'COMMIT');

- break;

-

- case 'rollback':

- return @pg_query($this->db_connect_id, 'ROLLBACK');

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->query_result) ? @pg_affected_rows($this->query_result) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- if (!$this->db_connect_id)

- {

- return false;

- }

-

- $query = "SELECT lastval() AS last_value";

- $temp_q_id = @pg_query($this->db_connect_id, $query);

-

- if (!$temp_q_id)

- {

- return false;

- }

-

- $temp_result = @pg_fetch_assoc($temp_q_id, NULL);

- @pg_free_result($query_id);

-

- return ($temp_result) ? $temp_result['last_value'] : false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- return @pg_fetch_assoc($query_id, null);

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return @pg_free_result($query_id);

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- return $expression;

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- * Note: Do not use for bytea values if we may use them at a later stage

- */

- public function sql_escape($msg)

- {

- return @pg_escape_string($msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'LENGTH(' . $col . ')';

- break;

- }

- }

-

-/*

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- // for now, stmtname is an empty string, it might change to something more unique in the future

- if ($type === 'INSERT')

- {

- $stmt = pg_prepare($this->dbms_type, '', "INSERT INTO $table (". implode(', ', array_keys($data)) . ") VALUES ($" . implode(', $', range(1, sizeof($data))) . ')');

- }

- else

- {

- $query = "UPDATE $table SET ";

-

- $set = array();

- foreach (array_keys($data) as $key_id => $key)

- {

- $set[] = $key . ' = $' . $key_id;

- }

- $query .= implode(', ', $set);

-

- if ($where !== '')

- {

- $query .= $where;

- }

-

- $stmt = pg_prepare($this->db_connect_id, '', $query);

- }

-

- // add the stmtname to the top

- array_unshift($data, '');

-

- // add the connection resource

- array_unshift($data, $this->db_connect_id);

-

- call_user_func_array('pg_execute', $data);

- }

-*/

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- return array(

- 'message' => (!$this->db_connect_id) ? @pg_last_error() : @pg_last_error($this->db_connect_id),

- 'code' => ''

- );

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'start':

-

- $explain_query = $query;

- if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))

- {

- $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];

- }

- else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))

- {

- $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];

- }

-

- if (preg_match('/^SELECT/', $explain_query))

- {

- $html_table = false;

-

- if ($result = @pg_query($this->db_connect_id, "EXPLAIN $explain_query"))

- {

- while ($row = @pg_fetch_assoc($result, NULL))

- {

- $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

- }

- }

- @pg_free_result($result);

-

- if ($html_table)

- {

- $this->html_hold .= '</table>';

- }

- }

-

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @pg_query($this->db_connect_id, $query);

- while ($void = @pg_fetch_assoc($result, NULL))

- {

- // Take the time spent on parsing rows into account

- }

- @pg_free_result($result);

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file

-<?php

-/**

-*

-* @package dbal

-* @version $Id$

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-license.php GNU Public License

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Sqlite Database Abstraction Layer

-* Minimum Requirement: 2.8.2+

-* @package dbal

-*/

-class phpbb_dbal_sqlite extends phpbb_dbal

-{

- /**

- * @var string Database type. No distinction between versions or used extensions.

- */

- public $dbms_type = 'sqlite';

-

- /**

- * Database features

- *

- * <ul>

- * <li>multi_insert: Supports multi inserts</li>

- * <li>count_distinct: Supports COUNT(DISTINGT ...)</li>

- * <li>multi_table_deletion: Supports multiple table deletion</li>

- * <li>truncate: Supports table truncation</li>

- * </ul>

- *

- * @var array

- */

- public $features = array(

- 'multi_insert' => true,

- // like MS ACCESS, SQLite does not support COUNT(DISTINCT ...)

- 'count_distinct' => false,

- 'multi_table_deletion' => true,

- // can't truncate a table

- 'truncate' => false,

- );

-

- /**

- * @var array Database type map, column layout information

- */

- public $dbms_type_map = array(

- 'INT:' => 'int(%d)',

- 'BINT' => 'bigint(20)',

- 'UINT' => 'INTEGER UNSIGNED', //'mediumint(8) UNSIGNED',

- 'UINT:' => 'INTEGER UNSIGNED', // 'int(%d) UNSIGNED',

- 'TINT:' => 'tinyint(%d)',

- 'USINT' => 'INTEGER UNSIGNED', //'mediumint(4) UNSIGNED',

- 'BOOL' => 'INTEGER UNSIGNED', //'tinyint(1) UNSIGNED',

- 'VCHAR' => 'varchar(255)',

- 'VCHAR:' => 'varchar(%d)',

- 'CHAR:' => 'char(%d)',

- 'XSTEXT' => 'text(65535)',

- 'STEXT' => 'text(65535)',

- 'TEXT' => 'text(65535)',

- 'MTEXT' => 'mediumtext(16777215)',

- 'XSTEXT_UNI'=> 'text(65535)',

- 'STEXT_UNI' => 'text(65535)',

- 'TEXT_UNI' => 'text(65535)',

- 'MTEXT_UNI' => 'mediumtext(16777215)',

- 'TIMESTAMP' => 'INTEGER UNSIGNED', //'int(11) UNSIGNED',

- 'DECIMAL' => 'decimal(5,2)',

- 'DECIMAL:' => 'decimal(%d,2)',

- 'PDECIMAL' => 'decimal(6,3)',

- 'PDECIMAL:' => 'decimal(%d,3)',

- 'VCHAR_UNI' => 'varchar(255)',

- 'VCHAR_UNI:'=> 'varchar(%d)',

- 'VARBINARY' => 'blob',

- );

-

- /**

- * Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.

- */

- public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)

- {

- $this->persistency = $persistency;

- $this->user = $user;

- $this->server = $server . (($port) ? ':' . $port : '');

- $this->dbname = $database;

-

- $error = '';

- $this->db_connect_id = ($this->persistency) ? @sqlite_popen($this->server, 0666, $error) : @sqlite_open($this->server, 0666, $error);

-

- if ($this->db_connect_id)

- {

- @sqlite_query('PRAGMA short_column_names = 1', $this->db_connect_id);

- @sqlite_query('PRAGMA encoding = "UTF-8"', $this->db_connect_id);

- }

-

- return ($this->db_connect_id) ? true : array('message' => $error);

- }

-

- /**

- * Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.

- */

- public function sql_server_info($raw = false)

- {

- if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#sqlite_version')) === false)

- {

- $result = @sqlite_query('SELECT sqlite_version() AS version', $this->db_connect_id);

- $row = @sqlite_fetch_array($result, SQLITE_ASSOC);

-

- $this->sql_server_version = (!empty($row['version'])) ? $row['version'] : 0;

-

- if (phpbb::registered('acm'))

- {

- phpbb::$acm->put('#sqlite_version', $this->sql_server_version);

- }

- }

-

- return ($raw) ? $this->sql_server_version : 'SQLite ' . $this->sql_server_version;

- }

-

- /**

- * DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.

- */

- protected function _sql_query($query)

- {

- return @sqlite_query($query, $this->db_connect_id);

- }

-

- /**

- * Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.

- */

- protected function _sql_query_limit($query, $total, $offset, $cache_ttl)

- {

- // if $total is set to 0 we do not want to limit the number of rows

- if ($total == 0)

- {

- $total = -1;

- }

-

- $query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);

-

- return $this->sql_query($query, $cache_ttl);

- }

-

- /**

- * Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.

- */

- protected function _sql_close()

- {

- return @sqlite_close($this->db_connect_id);

- }

-

- /**

- * SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.

- */

- protected function _sql_transaction($status)

- {

- switch ($status)

- {

- case 'begin':

- return @sqlite_query('BEGIN', $this->db_connect_id);

- break;

-

- case 'commit':

- return @sqlite_query('COMMIT', $this->db_connect_id);

- break;

-

- case 'rollback':

- return @sqlite_query('ROLLBACK', $this->db_connect_id);

- break;

- }

-

- return true;

- }

-

- /**

- * Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.

- */

- public function sql_affectedrows()

- {

- return ($this->db_connect_id) ? @sqlite_changes($this->db_connect_id) : false;

- }

-

- /**

- * Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.

- */

- public function sql_nextid()

- {

- return ($this->db_connect_id) ? @sqlite_last_insert_rowid($this->db_connect_id) : false;

- }

-

- /**

- * Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.

- */

- protected function _sql_fetchrow($query_id)

- {

- return @sqlite_fetch_array($query_id, SQLITE_ASSOC);

- }

-

- /**

- * Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.

- */

- protected function _sql_freeresult($query_id)

- {

- return true;

- }

-

- /**

- * Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.

- */

- protected function _sql_like_expression($expression)

- {

- // Unlike LIKE, GLOB is case sensitive (unfortunatly). SQLite users need to live with it!

- // We only catch * and ? here, not the character map possible for file globbing.

- $expression = str_replace(array(chr(0) . '_', chr(0) . '%'), array(chr(0) . '?', chr(0) . '*'), $expression);

-

- $expression = str_replace(array('?', '*'), array("\?", "\*"), $expression);

- $expression = str_replace(array(chr(0) . "\?", chr(0) . "\*"), array('?', '*'), $expression);

-

- return 'GLOB \'' . $this->sql_escape($expression) . '\'';

- }

-

- /**

- * Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.

- */

- public function sql_escape($msg)

- {

- return @sqlite_escape_string($msg);

- }

-

- /**

- * Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.

- */

- public function sql_function($type, $col)

- {

- switch ($type)

- {

- case 'length_varchar':

- case 'length_text':

- return 'LENGTH(' . $col . ')';

- break;

- }

- }

-

- /**

- * Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.

- public function sql_handle_data($type, $table, $data, $where = '')

- {

- }

- */

-

- /**

- * Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.

- */

- protected function _sql_custom_build($stage, $data)

- {

- return $data;

- }

-

- /**

- * return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.

- */

- protected function _sql_error()

- {

- return array(

- 'message' => @sqlite_error_string(@sqlite_last_error($this->db_connect_id)),

- 'code' => @sqlite_last_error($this->db_connect_id)

- );

- }

-

- /**

- * Run DB-specific code to build SQL Report to explain queries, show statistics and runtime information. See {@link phpbb_dbal::_sql_report() _sql_report()} for details.

- */

- protected function _sql_report($mode, $query = '')

- {

- switch ($mode)

- {

- case 'start':

- break;

-

- case 'fromcache':

- $endtime = explode(' ', microtime());

- $endtime = $endtime[0] + $endtime[1];

-

- $result = @sqlite_query($query, $this->db_connect_id);

- while ($void = @sqlite_fetch_array($result, SQLITE_ASSOC))

- {

- // Take the time spent on parsing rows into account

- }

-

- $splittime = explode(' ', microtime());

- $splittime = $splittime[0] + $splittime[1];

-

- $this->sql_report('record_fromcache', $query, $endtime, $splittime);

-

- break;

- }

- }

-}

-

-?> \ No newline at end of file