-<?php

-/**

-*

-* @package dbal

-* @copyright (c) 2005 phpBB Group

-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Database Abstraction Layer

-* @package dbal

-*/

-class phpbb_db_driver

-{

- var $db_connect_id;

- var $query_result;

- var $return_on_error = false;

- var $transaction = false;

- var $sql_time = 0;

- var $num_queries = array();

- var $open_queries = array();

-

- var $curtime = 0;

- var $query_hold = '';

- var $html_hold = '';

- var $sql_report = '';

-

- var $persistency = false;

- var $user = '';

- var $server = '';

- var $dbname = '';

-

- // Set to true if error triggered

- var $sql_error_triggered = false;

-

- // Holding the last sql query on sql error

- var $sql_error_sql = '';

- // Holding the error information - only populated if sql_error_triggered is set

- var $sql_error_returned = array();

-

- // Holding transaction count

- var $transactions = 0;

-

- // Supports multi inserts?

- var $multi_insert = false;

-

- /**

- * Current sql layer

- */

- var $sql_layer = '';

-

- /**

- * Wildcards for matching any (%) or exactly one (_) character within LIKE expressions

- */

- var $any_char;

- var $one_char;

-

- /**

- * Exact version of the DBAL, directly queried

- */

- var $sql_server_version = false;

-

- /**

- * Constructor

- */

- function __construct()

- {

- $this->num_queries = array(

- 'cached' => 0,

- 'normal' => 0,

- 'total' => 0,

- );

-

- // Fill default sql layer based on the class being called.

- // This can be changed by the specified layer itself later if needed.

- $this->sql_layer = substr(get_class($this), strlen('phpbb_db_driver_'));

-

- // 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) . '_';

- }

-

- /**

- * return on error or display error message

- */

- 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

- */

- function sql_num_queries($cached = false)

- {

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

- }

-

- /**

- * Add to query count

- */

- 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;

- }

-

- /**

- * DBAL garbage collection, close sql connection

- */

- 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 $query_id)

- {

- $this->sql_freeresult($query_id);

- }

-

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

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

- {

- $this->db_connect_id = false;

- }

-

- return $result;

- }

-

- /**

- * Build LIMIT query

- * Doing some validation here.

- */

- 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);

- }

-

- /**

- * Fetch all rows

- */

- 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;

- }

-

- /**

- * Seek to given row number

- * rownum is zero-based

- */

- function sql_rowseek($rownum, &$query_id)

- {

- global $cache;

-

- if ($query_id === false)

- {

- $query_id = $this->query_result;

- }

-

- if ($cache && $cache->sql_exists($query_id))

- {

- return $cache->sql_rowseek($rownum, $query_id);

- }

-

- if ($query_id === false)

- {

- return false;

- }

-

- $this->sql_freeresult($query_id);

- $query_id = $this->sql_query($this->last_query_text);

-

- if ($query_id === false)

- {

- return false;

- }

-

- // We do not fetch the row for rownum == 0 because then the next resultset would be the second row

- for ($i = 0; $i < $rownum; $i++)

- {

- if (!$this->sql_fetchrow($query_id))

- {

- return false;

- }

- }

-

- return true;

- }

-

- /**

- * Fetch field

- * if rownum is false, the current row is used, else it is pointing to the row (zero-based)

- */

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

- {

- global $cache;

-

- if ($query_id === false)

- {

- $query_id = $this->query_result;

- }

-

- if ($query_id !== false)

- {

- if ($rownum !== false)

- {

- $this->sql_rowseek($rownum, $query_id);

- }

-

- if ($cache && !is_object($query_id) && $cache->sql_exists($query_id))

- {

- return $cache->sql_fetchfield($query_id, $field);

- }

-

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

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

- }

-

- return false;

- }

-

- /**

- * 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 $this->any_char and $this->one_char

- * @return string LIKE expression including the keyword!

- */

- function sql_like_expression($expression)

- {

- $expression = utf8_str_replace(array('_', '%'), array("\_", "\%"), $expression);

- $expression = utf8_str_replace(array(chr(0) . "\_", chr(0) . "\%"), array('_', '%'), $expression);

-

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

- }

-

- /**

- * Build a case expression

- *

- * Note: The two statements action_true and action_false must have the same data type (int, vchar, ...) in the database!

- *

- * @param string $condition The condition which must be true, to use action_true rather then action_else

- * @param string $action_true SQL expression that is used, if the condition is true

- * @param string $action_else SQL expression that is used, if the condition is false, optional

- * @return string CASE expression including the condition and statements

- */

- public function sql_case($condition, $action_true, $action_false = false)

- {

- $sql_case = 'CASE WHEN ' . $condition;

- $sql_case .= ' THEN ' . $action_true;

- $sql_case .= ($action_false !== false) ? ' ELSE ' . $action_false : '';

- $sql_case .= ' END';

- return $sql_case;

- }

-

- /**

- * Build a concatenated expression

- *

- * @param string $expr1 Base SQL expression where we append the second one

- * @param string $expr2 SQL expression that is appended to the first expression

- * @return string Concatenated string

- */

- public function sql_concatenate($expr1, $expr2)

- {

- return $expr1 . ' || ' . $expr2;

- }

-

- /**

- * Returns whether results of a query need to be buffered to run a transaction while iterating over them.

- *

- * @return bool Whether buffering is required.

- */

- function sql_buffer_nested_transactions()

- {

- return false;

- }

-

- /**

- * SQL Transaction

- * @access private

- */

- 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;

- }

-

- /**

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

- *

- * Idea for this from Ikonboard

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

- *

- */

- function sql_build_array($query, $assoc_ary = false)

- {

- if (!is_array($assoc_ary))

- {

- return false;

- }

-

- $fields = $values = array();

-

- if ($query == 'INSERT' || $query == '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);

- }

- }

-

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

- }

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

- {

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

- }

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

- {

- $values = array();

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

- {

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

- }

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

- }

-

- return $query;

- }

-

- /**

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

- * arrays to improve comparison speed

- *

- * @access public

- * @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. Default to false.

- */

- 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 binary AND operator on DB column.

- * Results in sql statement: "{$column_name} & (1 << {$bit}) {$compare}"

- *

- * @param string $column_name The column name to use

- * @param int $bit The value to use for the AND operator, will be converted to (1 << $bit). Is used by options, using the number schema... 0, 1, 2...29

- * @param string $compare Any custom SQL code after the check (for example "= 0")

- */

- function sql_bit_and($column_name, $bit, $compare = '')

- {

- if (method_exists($this, '_sql_bit_and'))

- {

- return $this->_sql_bit_and($column_name, $bit, $compare);

- }

-

- return $column_name . ' & ' . (1 << $bit) . (($compare) ? ' ' . $compare : '');

- }

-

- /**

- * Run binary OR operator on DB column.

- * Results in sql statement: "{$column_name} | (1 << {$bit}) {$compare}"

- *

- * @param string $column_name The column name to use

- * @param int $bit The value to use for the OR operator, will be converted to (1 << $bit). Is used by options, using the number schema... 0, 1, 2...29

- * @param string $compare Any custom SQL code after the check (for example "= 0")

- */

- function sql_bit_or($column_name, $bit, $compare = '')

- {

- if (method_exists($this, '_sql_bit_or'))

- {

- return $this->_sql_bit_or($column_name, $bit, $compare);

- }

-

- return $column_name . ' | ' . (1 << $bit) . (($compare) ? ' ' . $compare : '');

- }

-

- /**

- * Returns SQL string to cast a string expression to an int.

- *

- * @param string $expression An expression evaluating to string

- * @return string Expression returning an int

- */

- function cast_expr_to_bigint($expression)

- {

- return $expression;

- }

-

- /**

- * Returns SQL string to cast an integer expression to a string.

- *

- * @param string $expression An expression evaluating to int

- * @return string Expression returning a string

- */

- function cast_expr_to_string($expression)

- {

- return $expression;

- }

-

- /**

- * Run LOWER() on DB column of type text (i.e. neither varchar nor char).

- *

- * @param string $column_name The column name to use

- *

- * @return string A SQL statement like "LOWER($column_name)"

- */

- function sql_lower_text($column_name)

- {

- return "LOWER($column_name)";

- }

-

- /**

- * 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

- */

- function sql_multi_insert($table, $sql_ary)

- {

- if (!sizeof($sql_ary))

- {

- return false;

- }

-

- if ($this->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))

- {

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

- }

-

- $values = array();

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

- {

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

- }

- $ary[] = '(' . implode(', ', $values) . ')';

- }

-

- return $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;

- }

-

- $result = $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $ary));

-

- if (!$result)

- {

- return false;

- }

- }

- }

-

- return true;

- }

-

- /**

- * Function for validating values

- * @access 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;

- }

- }

-

- /**

- * Build sql statement from array for select and select distinct statements

- *

- * Possible query values: SELECT, SELECT_DISTINCT

- */

- function sql_build_query($query, $array)

- {

- $sql = '';

- switch ($query)

- {

- case 'SELECT':

- case 'SELECT_DISTINCT';

-

- $sql = str_replace('_', ' ', $query) . ' ' . $array['SELECT'] . ' FROM ';

-

- // Build table array. We also build an alias array for later checks.

- $table_array = $aliases = array();

- $used_multi_alias = false;

-

- foreach ($array['FROM'] as $table_name => $alias)

- {

- if (is_array($alias))

- {

- $used_multi_alias = true;

-

- foreach ($alias as $multi_alias)

- {

- $table_array[] = $table_name . ' ' . $multi_alias;

- $aliases[] = $multi_alias;

- }

- }

- else

- {

- $table_array[] = $table_name . ' ' . $alias;

- $aliases[] = $alias;

- }

- }

-

- // We run the following code to determine if we need to re-order the table array. ;)

- // The reason for this is that for multi-aliased tables (two equal tables) in the FROM statement the last table need to match the first comparison.

- // DBMS who rely on this: Oracle, PostgreSQL and MSSQL. For all other DBMS it makes absolutely no difference in which order the table is.

- if (!empty($array['LEFT_JOIN']) && sizeof($array['FROM']) > 1 && $used_multi_alias !== false)

- {

- // Take first LEFT JOIN

- $join = current($array['LEFT_JOIN']);

-

- // Determine the table used there (even if there are more than one used, we only want to have one

- preg_match('/(' . implode('|', $aliases) . ')\.[^\s]+/U', str_replace(array('(', ')', 'AND', 'OR', ' '), '', $join['ON']), $matches);

-

- // If there is a first join match, we need to make sure the table order is correct

- if (!empty($matches[1]))

- {

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

- $table_array = $last = array();

-

- foreach ($array['FROM'] as $table_name => $alias)

- {

- if (is_array($alias))

- {

- foreach ($alias as $multi_alias)

- {

- ($multi_alias === $first_join_match) ? $last[] = $table_name . ' ' . $multi_alias : $table_array[] = $table_name . ' ' . $multi_alias;

- }

- }

- else

- {

- ($alias === $first_join_match) ? $last[] = $table_name . ' ' . $alias : $table_array[] = $table_name . ' ' . $alias;

- }

- }

-

- $table_array = array_merge($table_array, $last);

- }

- }

-

- $sql .= $this->_sql_custom_build('FROM', implode(' CROSS JOIN ', $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 page

- */

- function sql_error($sql = '')

- {

- global $auth, $user, $config;

-

- // 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)

- {

- $message = 'SQL ERROR [ ' . $this->sql_layer . ' ]<br /><br />' . $this->sql_error_returned['message'] . ' [' . $this->sql_error_returned['code'] . ']';

-

- // Show complete SQL error and path to administrators only

- // Additionally show complete error on installation or if extended debug mode is enabled

- // The DEBUG constant is for development only!

- if ((isset($auth) && $auth->acl_get('a_')) || defined('IN_INSTALL') || defined('DEBUG'))

- {

- $message .= ($sql) ? '<br /><br />SQL<br /><br />' . htmlspecialchars($sql) : '';

- }

- 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 (!isset($user->lang['SQL_ERROR_OCCURRED']))

- {

- $message .= '<br /><br />An sql error occurred while fetching this page. Please contact an administrator if this problem persists.';

- }

- else

- {

- if (!empty($config['board_contact']))

- {

- $message .= '<br /><br />' . sprintf($user->lang['SQL_ERROR_OCCURRED'], '<a href="mailto:' . htmlspecialchars($config['board_contact']) . '">', '</a>');

- }

- else

- {

- $message .= '<br /><br />' . sprintf($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;

- }

-

- /**

- * Explain queries

- */

- function sql_report($mode, $query = '')

- {

- global $cache, $starttime, $phpbb_root_path, $phpbb_admin_path, $user;

- global $request;

-

- if (is_object($request) && !$request->variable('explain', false))

- {

- return false;

- }

-

- if (!$query && $this->query_hold != '')

- {

- $query = $this->query_hold;

- }

-

- switch ($mode)

- {

- case 'display':

- if (!empty($cache))

- {

- $cache->unload();

- }

- $this->sql_close();

-

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

- $totaltime = $mtime[0] + $mtime[1] - $starttime;

-

- echo '<!DOCTYPE html>

- <html dir="ltr">

- <head>

- <meta charset="utf-8">

- <title>SQL Report</title>

- <link href="' . htmlspecialchars($phpbb_admin_path) . 'style/admin.css" rel="stylesheet" type="text/css" media="screen" />

- </head>

- <body id="errorpage">

- <div id="wrap">

- <div id="page-header">

- <a href="' . 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 <a href="http://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group

- </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;

- }

-

- /**

- * Gets the estimated number of rows in a specified table.

- *

- * @param string $table_name Table name

- *

- * @return string Number of rows in $table_name.

- * Prefixed with ~ if estimated (otherwise exact).

- *

- * @access public

- */

- function get_estimated_row_count($table_name)

- {

- return $this->get_row_count($table_name);

- }

-

- /**

- * Gets the exact number of rows in a specified table.

- *

- * @param string $table_name Table name

- *

- * @return string Exact number of rows in $table_name.

- *

- * @access public

- */

- function get_row_count($table_name)

- {

- $sql = 'SELECT COUNT(*) AS rows_total

- FROM ' . $this->sql_escape($table_name);

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

- $rows_total = $this->sql_fetchfield('rows_total');

- $this->sql_freeresult($result);

-

- return $rows_total;

- }

-}