- global $cache, $db, $user, $auth, $template, $table_prefix;

- global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;

- $this->db_tools = new \phpbb\db\tools($db);

- $action = request_var('action', '');

- $type = request_var('type', '');

- $table = array_intersect($this->db_tools->sql_list_tables(), request_var('table', array('')));

- $format = request_var('method', '');

- $where = request_var('where', '');

- switch ($db->get_sql_layer())

- {

- case 'mysqli':

- case 'mysql4':

- case 'mysql':

- $extractor = new mysql_extractor($format, $filename, $time, $download, $store);

- break;

-

- case 'sqlite':

- $extractor = new sqlite_extractor($format, $filename, $time, $download, $store);

- break;

- case 'sqlite3':

- $extractor = new sqlite3_extractor($format, $filename, $time, $download, $store);

- break;

-

- case 'postgres':

- $extractor = new postgres_extractor($format, $filename, $time, $download, $store);

- break;

-

- case 'oracle':

- $extractor = new oracle_extractor($format, $filename, $time, $download, $store);

- break;

-

- case 'mssql':

- case 'mssql_odbc':

- case 'mssqlnative':

- $extractor = new mssql_extractor($format, $filename, $time, $download, $store);

- break;

- }

- add_log('admin', 'LOG_DB_BACKUP');

- $delete = request_var('delete', '');

- $file = request_var('file', '');

- $download = request_var('download', '');

- add_log('admin', 'LOG_DB_DELETE');

- add_log('admin', 'LOG_DB_RESTORE');

-class base_extractor

-{

- var $fh;

- var $fp;

- var $write;

- var $close;

- var $store;

- var $download;

- var $time;

- var $format;

- var $run_comp = false;

-

- function base_extractor($format, $filename, $time, $download = false, $store = false)

- {

- global $request;

-

- $this->download = $download;

- $this->store = $store;

- $this->time = $time;

- $this->format = $format;

-

- switch ($format)

- {

- case 'text':

- $ext = '.sql';

- $open = 'fopen';

- $this->write = 'fwrite';

- $this->close = 'fclose';

- $mimetype = 'text/x-sql';

- break;

- case 'bzip2':

- $ext = '.sql.bz2';

- $open = 'bzopen';

- $this->write = 'bzwrite';

- $this->close = 'bzclose';

- $mimetype = 'application/x-bzip2';

- break;

- case 'gzip':

- $ext = '.sql.gz';

- $open = 'gzopen';

- $this->write = 'gzwrite';

- $this->close = 'gzclose';

- $mimetype = 'application/x-gzip';

- break;

- }

-

- if ($download == true)

- {

- $name = $filename . $ext;

- header('Cache-Control: private, no-cache');

- header("Content-Type: $mimetype; name=\"$name\"");

- header("Content-disposition: attachment; filename=$name");

-

- switch ($format)

- {

- case 'bzip2':

- ob_start();

- break;

-

- case 'gzip':

- if (strpos($request->header('Accept-Encoding'), 'gzip') !== false && strpos(strtolower($request->header('User-Agent')), 'msie') === false)

- {

- ob_start('ob_gzhandler');

- }

- else

- {

- $this->run_comp = true;

- }

- break;

- }

- }

-

- if ($store == true)

- {

- global $phpbb_root_path;

- $file = $phpbb_root_path . 'store/' . $filename . $ext;

-

- $this->fp = $open($file, 'w');

-

- if (!$this->fp)

- {

- trigger_error('FILE_WRITE_FAIL', E_USER_ERROR);

- }

- }

- }

-

- function write_end()

- {

- static $close;

-

- if ($this->store)

- {

- if ($close === null)

- {

- $close = $this->close;

- }

- $close($this->fp);

- }

-

- // bzip2 must be written all the way at the end

- if ($this->download && $this->format === 'bzip2')

- {

- $c = ob_get_clean();

- echo bzcompress($c);

- }

- }

-

- function flush($data)

- {

- static $write;

- if ($this->store === true)

- {

- if ($write === null)

- {

- $write = $this->write;

- }

- $write($this->fp, $data);

- }

-

- if ($this->download === true)

- {

- if ($this->format === 'bzip2' || $this->format === 'text' || ($this->format === 'gzip' && !$this->run_comp))

- {

- echo $data;

- }

-

- // we can write the gzip data as soon as we get it

- if ($this->format === 'gzip')

- {

- if ($this->run_comp)

- {

- echo gzencode($data);

- }

- else

- {

- ob_flush();

- flush();

- }

- }

- }

- }

-}

-

-class mysql_extractor extends base_extractor

-{

- function write_start($table_prefix)

- {

- $sql_data = "#\n";

- $sql_data .= "# phpBB Backup Script\n";

- $sql_data .= "# Dump of tables for $table_prefix\n";

- $sql_data .= "# DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n";

- $sql_data .= "#\n";

- $this->flush($sql_data);

- }

-

- function write_table($table_name)

- {

- global $db;

- static $new_extract;

-

- if ($new_extract === null)

- {

- if ($db->get_sql_layer() === 'mysqli' || version_compare($db->sql_server_info(true), '3.23.20', '>='))

- {

- $new_extract = true;

- }

- else

- {

- $new_extract = false;

- }

- }

-

- if ($new_extract)

- {

- $this->new_write_table($table_name);

- }

- else

- {

- $this->old_write_table($table_name);

- }

- }

-

- function write_data($table_name)

- {

- global $db;

- if ($db->get_sql_layer() === 'mysqli')

- {

- $this->write_data_mysqli($table_name);

- }

- else

- {

- $this->write_data_mysql($table_name);

- }

- }

-

- function write_data_mysqli($table_name)

- {

- global $db;

- $sql = "SELECT *

- FROM $table_name";

- $result = mysqli_query($db->get_db_connect_id(), $sql, MYSQLI_USE_RESULT);

- if ($result != false)

- {

- $fields_cnt = mysqli_num_fields($result);

-

- // Get field information

- $field = mysqli_fetch_fields($result);

- $field_set = array();

-

- for ($j = 0; $j < $fields_cnt; $j++)

- {

- $field_set[] = $field[$j]->name;

- }

-

- $search = array("\\", "'", "\x00", "\x0a", "\x0d", "\x1a", '"');

- $replace = array("\\\\", "\\'", '\0', '\n', '\r', '\Z', '\\"');

- $fields = implode(', ', $field_set);

- $sql_data = 'INSERT INTO ' . $table_name . ' (' . $fields . ') VALUES ';

- $first_set = true;

- $query_len = 0;

- $max_len = get_usable_memory();

-

- while ($row = mysqli_fetch_row($result))

- {

- $values = array();

- if ($first_set)

- {

- $query = $sql_data . '(';

- }

- else

- {

- $query .= ',(';

- }

-

- for ($j = 0; $j < $fields_cnt; $j++)

- {

- if (!isset($row[$j]) || is_null($row[$j]))

- {

- $values[$j] = 'NULL';

- }

- else if (($field[$j]->flags & 32768) && !($field[$j]->flags & 1024))

- {

- $values[$j] = $row[$j];

- }

- else

- {

- $values[$j] = "'" . str_replace($search, $replace, $row[$j]) . "'";

- }

- }

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

-

- $query_len += strlen($query);

- if ($query_len > $max_len)

- {

- $this->flush($query . ";\n\n");

- $query = '';

- $query_len = 0;

- $first_set = true;

- }

- else

- {

- $first_set = false;

- }

- }

- mysqli_free_result($result);

-

- // check to make sure we have nothing left to flush

- if (!$first_set && $query)

- {

- $this->flush($query . ";\n\n");

- }

- }

- }

-

- function write_data_mysql($table_name)

- {

- global $db;

- $sql = "SELECT *

- FROM $table_name";

- $result = mysql_unbuffered_query($sql, $db->get_db_connect_id());

-

- if ($result != false)

- {

- $fields_cnt = mysql_num_fields($result);

-

- // Get field information

- $field = array();

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

- {

- $field[] = mysql_fetch_field($result, $i);

- }

- $field_set = array();

-

- for ($j = 0; $j < $fields_cnt; $j++)

- {

- $field_set[] = $field[$j]->name;

- }

-

- $search = array("\\", "'", "\x00", "\x0a", "\x0d", "\x1a", '"');

- $replace = array("\\\\", "\\'", '\0', '\n', '\r', '\Z', '\\"');

- $fields = implode(', ', $field_set);

- $sql_data = 'INSERT INTO ' . $table_name . ' (' . $fields . ') VALUES ';

- $first_set = true;

- $query_len = 0;

- $max_len = get_usable_memory();

-

- while ($row = mysql_fetch_row($result))

- {

- $values = array();

- if ($first_set)

- {

- $query = $sql_data . '(';

- }

- else

- {

- $query .= ',(';

- }

-

- for ($j = 0; $j < $fields_cnt; $j++)

- {

- if (!isset($row[$j]) || is_null($row[$j]))

- {

- $values[$j] = 'NULL';

- }

- else if ($field[$j]->numeric && ($field[$j]->type !== 'timestamp'))

- {

- $values[$j] = $row[$j];

- }

- else

- {

- $values[$j] = "'" . str_replace($search, $replace, $row[$j]) . "'";

- }

- }

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

-

- $query_len += strlen($query);

- if ($query_len > $max_len)

- {

- $this->flush($query . ";\n\n");

- $query = '';

- $query_len = 0;

- $first_set = true;

- }

- else

- {

- $first_set = false;

- }

- }

- mysql_free_result($result);

-

- // check to make sure we have nothing left to flush

- if (!$first_set && $query)

- {

- $this->flush($query . ";\n\n");

- }

- }

- }

-

- function new_write_table($table_name)

- {

- global $db;

-

- $sql = 'SHOW CREATE TABLE ' . $table_name;

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

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

-

- $sql_data = '# Table: ' . $table_name . "\n";

- $sql_data .= "DROP TABLE IF EXISTS $table_name;\n";

- $this->flush($sql_data . $row['Create Table'] . ";\n\n");

-

- $db->sql_freeresult($result);

- }

-

- function old_write_table($table_name)

- {

- global $db;

-

- $sql_data = '# Table: ' . $table_name . "\n";

- $sql_data .= "DROP TABLE IF EXISTS $table_name;\n";

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

- $rows = array();

-

- $sql = "SHOW FIELDS

- FROM $table_name";

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

-

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

- {

- $line = ' ' . $row['Field'] . ' ' . $row['Type'];

-

- if (!is_null($row['Default']))

- {

- $line .= " DEFAULT '{$row['Default']}'";

- }

-

- if ($row['Null'] != 'YES')

- {

- $line .= ' NOT NULL';

- }

-

- if ($row['Extra'] != '')

- {

- $line .= ' ' . $row['Extra'];

- }

-

- $rows[] = $line;

- }

- $db->sql_freeresult($result);

-

- $sql = "SHOW KEYS

- FROM $table_name";

-

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

-

- $index = array();

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

- {

- $kname = $row['Key_name'];

-

- if ($kname != 'PRIMARY')

- {

- if ($row['Non_unique'] == 0)

- {

- $kname = "UNIQUE|$kname";

- }

- }

-

- if ($row['Sub_part'])

- {

- $row['Column_name'] .= '(' . $row['Sub_part'] . ')';

- }

- $index[$kname][] = $row['Column_name'];

- }

- $db->sql_freeresult($result);

-

- foreach ($index as $key => $columns)

- {

- $line = ' ';

-

- if ($key == 'PRIMARY')

- {

- $line .= 'PRIMARY KEY (' . implode(', ', $columns) . ')';

- }

- else if (strpos($key, 'UNIQUE') === 0)

- {

- $line .= 'UNIQUE ' . substr($key, 7) . ' (' . implode(', ', $columns) . ')';

- }

- else if (strpos($key, 'FULLTEXT') === 0)

- {

- $line .= 'FULLTEXT ' . substr($key, 9) . ' (' . implode(', ', $columns) . ')';

- }

- else

- {

- $line .= "KEY $key (" . implode(', ', $columns) . ')';

- }

-

- $rows[] = $line;

- }

-

- $sql_data .= implode(",\n", $rows);

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

-

- $this->flush($sql_data);

- }

-}

-

-class sqlite_extractor extends base_extractor

-{

- function write_start($prefix)

- {

- $sql_data = "--\n";

- $sql_data .= "-- phpBB Backup Script\n";

- $sql_data .= "-- Dump of tables for $prefix\n";

- $sql_data .= "-- DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n";

- $sql_data .= "--\n";

- $sql_data .= "BEGIN TRANSACTION;\n";

- $this->flush($sql_data);

- }

-

- function write_table($table_name)

- {

- global $db;

- $sql_data = '-- Table: ' . $table_name . "\n";

- $sql_data .= "DROP TABLE $table_name;\n";

-

- $sql = "SELECT sql

- FROM sqlite_master

- WHERE type = 'table'

- AND name = '" . $db->sql_escape($table_name) . "'

- ORDER BY type DESC, name;";

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

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

- $db->sql_freeresult($result);

-

- // Create Table

- $sql_data .= $row['sql'] . ";\n";

-

- $result = $db->sql_query("PRAGMA index_list('" . $db->sql_escape($table_name) . "');");

-

- $ar = array();

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

- {

- $ar[] = $row;

- }

- $db->sql_freeresult($result);

-

- foreach ($ar as $value)

- {

- if (strpos($value['name'], 'autoindex') !== false)

- {

- continue;

- }

-

- $result = $db->sql_query("PRAGMA index_info('" . $db->sql_escape($value['name']) . "');");

-

- $fields = array();

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

- {

- $fields[] = $row['name'];

- }

- $db->sql_freeresult($result);

-

- $sql_data .= 'CREATE ' . ($value['unique'] ? 'UNIQUE ' : '') . 'INDEX ' . $value['name'] . ' on ' . $table_name . ' (' . implode(', ', $fields) . ");\n";

- }

-

- $this->flush($sql_data . "\n");

- }

-

- function write_data($table_name)

- {

- global $db;

-

- $col_types = sqlite_fetch_column_types($db->get_db_connect_id(), $table_name);

-

- $sql = "SELECT *

- FROM $table_name";

- $result = sqlite_unbuffered_query($db->get_db_connect_id(), $sql);

- $rows = sqlite_fetch_all($result, SQLITE_ASSOC);

- $sql_insert = 'INSERT INTO ' . $table_name . ' (' . implode(', ', array_keys($col_types)) . ') VALUES (';

- foreach ($rows as $row)

- {

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

- {

- if (is_null($column_data))

- {

- $row[$column_name] = 'NULL';

- }

- else if ($column_data == '')

- {

- $row[$column_name] = "''";

- }

- else if (strpos($col_types[$column_name], 'text') !== false || strpos($col_types[$column_name], 'char') !== false || strpos($col_types[$column_name], 'blob') !== false)

- {

- $row[$column_name] = sanitize_data_generic(str_replace("'", "''", $column_data));

- }

- }

- $this->flush($sql_insert . implode(', ', $row) . ");\n");

- }

- }

-

- function write_end()

- {

- $this->flush("COMMIT;\n");

- parent::write_end();

- }

-}

-

-class sqlite3_extractor extends base_extractor

-{

- function write_start($prefix)

- {

- $sql_data = "--\n";

- $sql_data .= "-- phpBB Backup Script\n";

- $sql_data .= "-- Dump of tables for $prefix\n";

- $sql_data .= "-- DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n";

- $sql_data .= "--\n";

- $sql_data .= "BEGIN TRANSACTION;\n";

- $this->flush($sql_data);

- }

-

- function write_table($table_name)

- {

- global $db;

- $sql_data = '-- Table: ' . $table_name . "\n";

- $sql_data .= "DROP TABLE $table_name;\n";

-

- $sql = "SELECT sql

- FROM sqlite_master

- WHERE type = 'table'

- AND name = '" . $db->sql_escape($table_name) . "'

- ORDER BY name ASC;";

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

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

- $db->sql_freeresult($result);

-

- // Create Table

- $sql_data .= $row['sql'] . ";\n";

-

- $result = $db->sql_query("PRAGMA index_list('" . $db->sql_escape($table_name) . "');");

-

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

- {

- if (strpos($row['name'], 'autoindex') !== false)

- {

- continue;

- }

-

- $result2 = $db->sql_query("PRAGMA index_info('" . $db->sql_escape($row['name']) . "');");

-

- $fields = array();

- while ($row2 = $db->sql_fetchrow($result2))

- {

- $fields[] = $row2['name'];

- }

- $db->sql_freeresult($result2);

-

- $sql_data .= 'CREATE ' . ($row['unique'] ? 'UNIQUE ' : '') . 'INDEX ' . $row['name'] . ' ON ' . $table_name . ' (' . implode(', ', $fields) . ");\n";

- }

- $db->sql_freeresult($result);

-

- $this->flush($sql_data . "\n");

- }

-

- function write_data($table_name)

- {

- global $db;

-

- $result = $db->sql_query("PRAGMA table_info('" . $db->sql_escape($table_name) . "');");

-

- $col_types = array();

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

- {

- $col_types[$row['name']] = $row['type'];

- }

- $db->sql_freeresult($result);

-

- $sql_insert = 'INSERT INTO ' . $table_name . ' (' . implode(', ', array_keys($col_types)) . ') VALUES (';

-

- $sql = "SELECT *

- FROM $table_name";

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

-

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

- {

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

- {

- if (is_null($column_data))

- {

- $row[$column_name] = 'NULL';

- }

- else if ($column_data === '')

- {

- $row[$column_name] = "''";

- }

- else if (stripos($col_types[$column_name], 'text') !== false || stripos($col_types[$column_name], 'char') !== false || stripos($col_types[$column_name], 'blob') !== false)

- {

- $row[$column_name] = sanitize_data_generic(str_replace("'", "''", $column_data));

- }

- }

- $this->flush($sql_insert . implode(', ', $row) . ");\n");

- }

- }

-

- function write_end()

- {

- $this->flush("COMMIT;\n");

- parent::write_end();

- }

-}

-

-class postgres_extractor extends base_extractor

-{

- function write_start($prefix)

- {

- $sql_data = "--\n";

- $sql_data .= "-- phpBB Backup Script\n";

- $sql_data .= "-- Dump of tables for $prefix\n";

- $sql_data .= "-- DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n";

- $sql_data .= "--\n";

- $sql_data .= "BEGIN TRANSACTION;\n";

- $this->flush($sql_data);

- }

-

- function write_table($table_name)

- {

- global $db;

- static $domains_created = array();

-

- $sql = "SELECT a.domain_name, a.data_type, a.character_maximum_length, a.domain_default

- FROM INFORMATION_SCHEMA.domains a, INFORMATION_SCHEMA.column_domain_usage b

- WHERE a.domain_name = b.domain_name

- AND b.table_name = '{$table_name}'";

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

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

- {

- if (empty($domains_created[$row['domain_name']]))

- {

- $domains_created[$row['domain_name']] = true;

- //$sql_data = "DROP DOMAIN {$row['domain_name']};\n";

- $sql_data = "CREATE DOMAIN {$row['domain_name']} as {$row['data_type']}";

- if (!empty($row['character_maximum_length']))

- {

- $sql_data .= '(' . $row['character_maximum_length'] . ')';

- }

- $sql_data .= ' NOT NULL';

- if (!empty($row['domain_default']))

- {

- $sql_data .= ' DEFAULT ' . $row['domain_default'];

- }

- $this->flush($sql_data . ";\n");

- }

- }

-

- $sql_data = '-- Table: ' . $table_name . "\n";

- $sql_data .= "DROP TABLE $table_name;\n";

- // 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 = $db->sql_query($sql);

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

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

- {

- $sql_data .= "DROP SEQUENCE {$table_name}_seq;\n";

- $sql_data .= "CREATE SEQUENCE {$table_name}_seq;\n";

- }

- $db->sql_freeresult($result);

-

- $field_query = "SELECT a.attnum, a.attname as field, t.typname as type, a.attlen as length, a.atttypmod as lengthvar, a.attnotnull as notnull

- FROM pg_class c, pg_attribute a, pg_type t

- WHERE c.relname = '" . $db->sql_escape($table_name) . "'

- AND a.attnum > 0

- AND a.attrelid = c.oid

- AND a.atttypid = t.oid

- ORDER BY a.attnum";

- $result = $db->sql_query($field_query);

-

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

- $lines = array();

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

- {

- // Get the data from the table

- $sql_get_default = "SELECT pg_get_expr(d.adbin, d.adrelid) as rowdefault

- FROM pg_attrdef d, pg_class c

- WHERE (c.relname = '" . $db->sql_escape($table_name) . "')

- AND (c.oid = d.adrelid)

- AND d.adnum = " . $row['attnum'];

- $def_res = $db->sql_query($sql_get_default);

- $def_row = $db->sql_fetchrow($def_res);

- $db->sql_freeresult($def_res);

-

- if (empty($def_row))

- {

- unset($row['rowdefault']);

- }

- else

- {

- $row['rowdefault'] = $def_row['rowdefault'];

- }

-

- if ($row['type'] == 'bpchar')

- {

- // Internally stored as bpchar, but isn't accepted in a CREATE TABLE statement.

- $row['type'] = 'char';

- }

-

- $line = ' ' . $row['field'] . ' ' . $row['type'];

-

- if (strpos($row['type'], 'char') !== false)

- {

- if ($row['lengthvar'] > 0)

- {

- $line .= '(' . ($row['lengthvar'] - 4) . ')';

- }

- }

-

- if (strpos($row['type'], 'numeric') !== false)

- {

- $line .= '(';

- $line .= sprintf("%s,%s", (($row['lengthvar'] >> 16) & 0xffff), (($row['lengthvar'] - 4) & 0xffff));

- $line .= ')';

- }

-

- if (isset($row['rowdefault']))

- {

- $line .= ' DEFAULT ' . $row['rowdefault'];

- }

-

- if ($row['notnull'] == 't')

- {

- $line .= ' NOT NULL';

- }

-

- $lines[] = $line;

- }

- $db->sql_freeresult($result);

-

- // Get the listing of primary keys.

- $sql_pri_keys = "SELECT ic.relname as index_name, bc.relname as tab_name, ta.attname as column_name, i.indisunique as unique_key, i.indisprimary as primary_key

- FROM pg_class bc, pg_class ic, pg_index i, pg_attribute ta, pg_attribute ia

- WHERE (bc.oid = i.indrelid)

- AND (ic.oid = i.indexrelid)

- AND (ia.attrelid = i.indexrelid)

- AND (ta.attrelid = bc.oid)

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

- AND (ta.attrelid = i.indrelid)

- AND (ta.attnum = i.indkey[ia.attnum-1])

- ORDER BY index_name, tab_name, column_name";

-

- $result = $db->sql_query($sql_pri_keys);

-

- $index_create = $index_rows = $primary_key = array();

-

- // We do this in two steps. It makes placing the comma easier

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

- {

- if ($row['primary_key'] == 't')

- {

- $primary_key[] = $row['column_name'];

- $primary_key_name = $row['index_name'];

- }

- else

- {

- // We have to store this all this info because it is possible to have a multi-column key...

- // we can loop through it again and build the statement

- $index_rows[$row['index_name']]['table'] = $table_name;

- $index_rows[$row['index_name']]['unique'] = ($row['unique_key'] == 't') ? true : false;

- $index_rows[$row['index_name']]['column_names'][] = $row['column_name'];

- }

- }

- $db->sql_freeresult($result);

-

- if (!empty($index_rows))

- {

- foreach ($index_rows as $idx_name => $props)

- {

- $index_create[] = 'CREATE ' . ($props['unique'] ? 'UNIQUE ' : '') . "INDEX $idx_name ON $table_name (" . implode(', ', $props['column_names']) . ");";

- }

- }

-

- if (!empty($primary_key))

- {

- $lines[] = " CONSTRAINT $primary_key_name PRIMARY KEY (" . implode(', ', $primary_key) . ")";

- }

-

- // Generate constraint clauses for CHECK constraints

- $sql_checks = "SELECT conname as index_name, consrc

- FROM pg_constraint, pg_class bc

- WHERE conrelid = bc.oid

- AND bc.relname = '" . $db->sql_escape($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

- )";

- $result = $db->sql_query($sql_checks);

-

- // Add the constraints to the sql file.

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

- {

- if (!is_null($row['consrc']))

- {

- $lines[] = ' CONSTRAINT ' . $row['index_name'] . ' CHECK ' . $row['consrc'];

- }

- }

- $db->sql_freeresult($result);

-

- $sql_data .= implode(", \n", $lines);

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

-

- if (!empty($index_create))

- {

- $sql_data .= implode("\n", $index_create) . "\n\n";

- }

- $this->flush($sql_data);

- }

-

- function write_data($table_name)

- {

- global $db;

- // Grab all of the data from current table.

- $sql = "SELECT *

- FROM $table_name";

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

-

- $i_num_fields = pg_num_fields($result);

- $seq = '';

-

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

- {

- $ary_type[] = pg_field_type($result, $i);

- $ary_name[] = pg_field_name($result, $i);

-

- $sql = "SELECT pg_get_expr(d.adbin, d.adrelid) as rowdefault

- FROM pg_attrdef d, pg_class c

- WHERE (c.relname = '{$table_name}')

- AND (c.oid = d.adrelid)

- AND d.adnum = " . strval($i + 1);

- $result2 = $db->sql_query($sql);

- if ($row = $db->sql_fetchrow($result2))

- {

- // Determine if we must reset the sequences

- if (strpos($row['rowdefault'], "nextval('") === 0)

- {

- $seq .= "SELECT SETVAL('{$table_name}_seq',(select case when max({$ary_name[$i]})>0 then max({$ary_name[$i]})+1 else 1 end FROM {$table_name}));\n";

- }

- }

- }

-

- $this->flush("COPY $table_name (" . implode(', ', $ary_name) . ') FROM stdin;' . "\n");

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

- {

- $schema_vals = array();

-

- // Build the SQL statement to recreate the data.

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

- {

- $str_val = $row[$ary_name[$i]];

-

- if (preg_match('#char|text|bool|bytea#i', $ary_type[$i]))

- {

- $str_val = str_replace(array("\n", "\t", "\r", "\b", "\f", "\v"), array('\n', '\t', '\r', '\b', '\f', '\v'), addslashes($str_val));

- $str_empty = '';

- }

- else

- {

- $str_empty = '\N';

- }

-

- if (empty($str_val) && $str_val !== '0')

- {

- $str_val = $str_empty;

- }

-

- $schema_vals[] = $str_val;

- }

-

- // Take the ordered fields and their associated data and build it

- // into a valid sql statement to recreate that field in the data.

- $this->flush(implode("\t", $schema_vals) . "\n");

- }

- $db->sql_freeresult($result);

- $this->flush("\\.\n");

-

- // Write out the sequence statements

- $this->flush($seq);

- }

-

- function write_end()

- {

- $this->flush("COMMIT;\n");

- parent::write_end();

- }

-}

-

-class mssql_extractor extends base_extractor

-{

- function write_end()

- {

- $this->flush("COMMIT\nGO\n");

- parent::write_end();

- }

-

- function write_start($prefix)

- {

- $sql_data = "--\n";

- $sql_data .= "-- phpBB Backup Script\n";

- $sql_data .= "-- Dump of tables for $prefix\n";

- $sql_data .= "-- DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n";

- $sql_data .= "--\n";

- $sql_data .= "BEGIN TRANSACTION\n";

- $sql_data .= "GO\n";

- $this->flush($sql_data);

- }

-

- function write_table($table_name)

- {

- global $db;

- $sql_data = '-- Table: ' . $table_name . "\n";

- $sql_data .= "IF OBJECT_ID(N'$table_name', N'U') IS NOT NULL\n";

- $sql_data .= "DROP TABLE $table_name;\n";

- $sql_data .= "GO\n";

- $sql_data .= "\nCREATE TABLE [$table_name] (\n";

- $rows = array();

-

- $text_flag = false;

-

- $sql = "SELECT COLUMN_NAME, COLUMN_DEFAULT, IS_NULLABLE, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, COLUMNPROPERTY(object_id(TABLE_NAME), COLUMN_NAME, 'IsIdentity') as IS_IDENTITY

- FROM INFORMATION_SCHEMA.COLUMNS

- WHERE TABLE_NAME = '$table_name'";

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

-

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

- {

- $line = "\t[{$row['COLUMN_NAME']}] [{$row['DATA_TYPE']}]";

-

- if ($row['DATA_TYPE'] == 'text')

- {

- $text_flag = true;

- }

-

- if ($row['IS_IDENTITY'])

- {

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

- }

-

- if ($row['CHARACTER_MAXIMUM_LENGTH'] && $row['DATA_TYPE'] !== 'text')

- {

- $line .= ' (' . $row['CHARACTER_MAXIMUM_LENGTH'] . ')';

- }

-

- if ($row['IS_NULLABLE'] == 'YES')

- {

- $line .= ' NULL';

- }

- else

- {

- $line .= ' NOT NULL';

- }

-

- if ($row['COLUMN_DEFAULT'])

- {

- $line .= ' DEFAULT ' . $row['COLUMN_DEFAULT'];

- }

-

- $rows[] = $line;

- }

- $db->sql_freeresult($result);

-

- $sql_data .= implode(",\n", $rows);

- $sql_data .= "\n) ON [PRIMARY]";

-

- if ($text_flag)

- {

- $sql_data .= " TEXTIMAGE_ON [PRIMARY]";

- }

-

- $sql_data .= "\nGO\n\n";

- $rows = array();

-

- $sql = "SELECT CONSTRAINT_NAME, COLUMN_NAME

- FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE

- WHERE TABLE_NAME = '$table_name'";

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

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

- {

- if (!sizeof($rows))

- {

- $sql_data .= "ALTER TABLE [$table_name] WITH NOCHECK ADD\n";

- $sql_data .= "\tCONSTRAINT [{$row['CONSTRAINT_NAME']}] PRIMARY KEY CLUSTERED \n\t(\n";

- }

- $rows[] = "\t\t[{$row['COLUMN_NAME']}]";

- }

- if (sizeof($rows))

- {

- $sql_data .= implode(",\n", $rows);

- $sql_data .= "\n\t) ON [PRIMARY] \nGO\n";

- }

- $db->sql_freeresult($result);

-

- $index = array();

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

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

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

- {

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

- {

- $index[$row['INDEX_NAME']][] = '[' . $row['COLUMN_NAME'] . ']';

- }

- }

- $db->sql_freeresult($result);

-

- foreach ($index as $index_name => $column_name)

- {

- $index[$index_name] = implode(', ', $column_name);

- }

-

- foreach ($index as $index_name => $columns)

- {

- $sql_data .= "\nCREATE INDEX [$index_name] ON [$table_name]($columns) ON [PRIMARY]\nGO\n";

- }

- $this->flush($sql_data);

- }

-

- function write_data($table_name)

- {

- global $db;

-

- if ($db->get_sql_layer() === 'mssql')

- {

- $this->write_data_mssql($table_name);

- }

- else if($db->get_sql_layer() === 'mssqlnative')

- {

- $this->write_data_mssqlnative($table_name);

- }

- else

- {

- $this->write_data_odbc($table_name);

- }

- }

-

- function write_data_mssql($table_name)

- {

- global $db;

- $ary_type = $ary_name = array();

- $ident_set = false;

- $sql_data = '';

-

- // Grab all of the data from current table.

- $sql = "SELECT *

- FROM $table_name";

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

-

- $retrieved_data = mssql_num_rows($result);

-

- $i_num_fields = mssql_num_fields($result);

-

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

- {

- $ary_type[$i] = mssql_field_type($result, $i);

- $ary_name[$i] = mssql_field_name($result, $i);

- }

-

- if ($retrieved_data)

- {

- $sql = "SELECT 1 as has_identity

- FROM INFORMATION_SCHEMA.COLUMNS

- WHERE COLUMNPROPERTY(object_id('$table_name'), COLUMN_NAME, 'IsIdentity') = 1";

- $result2 = $db->sql_query($sql);

- $row2 = $db->sql_fetchrow($result2);

- if (!empty($row2['has_identity']))

- {

- $sql_data .= "\nSET IDENTITY_INSERT $table_name ON\nGO\n";

- $ident_set = true;

- }

- $db->sql_freeresult($result2);

- }

-

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

- {

- $schema_vals = $schema_fields = array();

-

- // Build the SQL statement to recreate the data.

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

- {

- $str_val = $row[$ary_name[$i]];

-

- if (preg_match('#char|text|bool|varbinary#i', $ary_type[$i]))

- {

- $str_quote = '';

- $str_empty = "''";

- $str_val = sanitize_data_mssql(str_replace("'", "''", $str_val));

- }

- else if (preg_match('#date|timestamp#i', $ary_type[$i]))

- {

- if (empty($str_val))

- {

- $str_quote = '';

- }

- else

- {

- $str_quote = "'";

- }

- }

- else

- {

- $str_quote = '';

- $str_empty = 'NULL';

- }

-

- if (empty($str_val) && $str_val !== '0' && !(is_int($str_val) || is_float($str_val)))

- {

- $str_val = $str_empty;

- }

-

- $schema_vals[$i] = $str_quote . $str_val . $str_quote;

- $schema_fields[$i] = $ary_name[$i];

- }

-

- // Take the ordered fields and their associated data and build it

- // into a valid sql statement to recreate that field in the data.

- $sql_data .= "INSERT INTO $table_name (" . implode(', ', $schema_fields) . ') VALUES (' . implode(', ', $schema_vals) . ");\nGO\n";

-

- $this->flush($sql_data);

- $sql_data = '';

- }

- $db->sql_freeresult($result);

-

- if ($retrieved_data && $ident_set)

- {

- $sql_data .= "\nSET IDENTITY_INSERT $table_name OFF\nGO\n";

- }

- $this->flush($sql_data);

- }

-

- function write_data_mssqlnative($table_name)

- {

- global $db;

- $ary_type = $ary_name = array();

- $ident_set = false;

- $sql_data = '';

-

- // Grab all of the data from current table.

- $sql = "SELECT * FROM $table_name";

- $db->mssqlnative_set_query_options(array('Scrollable' => SQLSRV_CURSOR_STATIC));

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

-

- $retrieved_data = $db->mssqlnative_num_rows($result);

-

- if (!$retrieved_data)

- {

- $db->sql_freeresult($result);

- return;

- }

-

- $sql = "SELECT COLUMN_NAME, DATA_TYPE

- FROM INFORMATION_SCHEMA.COLUMNS

- WHERE INFORMATION_SCHEMA.COLUMNS.TABLE_NAME = '" . $db->sql_escape($table_name) . "'";

- $result_fields = $db->sql_query($sql);

-

- $i_num_fields = 0;

- while ($row = $db->sql_fetchrow($result_fields))

- {

- $ary_type[$i_num_fields] = $row['DATA_TYPE'];

- $ary_name[$i_num_fields] = $row['COLUMN_NAME'];

- $i_num_fields++;

- }

- $db->sql_freeresult($result_fields);

-

- $sql = "SELECT 1 as has_identity

- FROM INFORMATION_SCHEMA.COLUMNS

- WHERE COLUMNPROPERTY(object_id('$table_name'), COLUMN_NAME, 'IsIdentity') = 1";

- $result2 = $db->sql_query($sql);

- $row2 = $db->sql_fetchrow($result2);

-

- if (!empty($row2['has_identity']))

- {

- $sql_data .= "\nSET IDENTITY_INSERT $table_name ON\nGO\n";

- $ident_set = true;

- }

- $db->sql_freeresult($result2);

-

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

- {

- $schema_vals = $schema_fields = array();

-

- // Build the SQL statement to recreate the data.

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

- {

- $str_val = $row[$ary_name[$i]];

-

- // defaults to type number - better quote just to be safe, so check for is_int too

- if (is_int($ary_type[$i]) || preg_match('#char|text|bool|varbinary#i', $ary_type[$i]))

- {

- $str_quote = '';

- $str_empty = "''";

- $str_val = sanitize_data_mssql(str_replace("'", "''", $str_val));

- }

- else if (preg_match('#date|timestamp#i', $ary_type[$i]))

- {

- if (empty($str_val))

- {

- $str_quote = '';

- }

- else

- {

- $str_quote = "'";

- }

- }

- else

- {

- $str_quote = '';

- $str_empty = 'NULL';

- }

-

- if (empty($str_val) && $str_val !== '0' && !(is_int($str_val) || is_float($str_val)))

- {

- $str_val = $str_empty;

- }

-

- $schema_vals[$i] = $str_quote . $str_val . $str_quote;

- $schema_fields[$i] = $ary_name[$i];

- }

-

- // Take the ordered fields and their associated data and build it

- // into a valid sql statement to recreate that field in the data.

- $sql_data .= "INSERT INTO $table_name (" . implode(', ', $schema_fields) . ') VALUES (' . implode(', ', $schema_vals) . ");\nGO\n";

-

- $this->flush($sql_data);

- $sql_data = '';

- }

- $db->sql_freeresult($result);

-

- if ($ident_set)

- {

- $sql_data .= "\nSET IDENTITY_INSERT $table_name OFF\nGO\n";

- }

- $this->flush($sql_data);

- }

-

- function write_data_odbc($table_name)

- {

- global $db;

- $ary_type = $ary_name = array();

- $ident_set = false;

- $sql_data = '';

-

- // Grab all of the data from current table.

- $sql = "SELECT *

- FROM $table_name";

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

-

- $retrieved_data = odbc_num_rows($result);

-

- if ($retrieved_data)

- {

- $sql = "SELECT 1 as has_identity

- FROM INFORMATION_SCHEMA.COLUMNS

- WHERE COLUMNPROPERTY(object_id('$table_name'), COLUMN_NAME, 'IsIdentity') = 1";

- $result2 = $db->sql_query($sql);

- $row2 = $db->sql_fetchrow($result2);

- if (!empty($row2['has_identity']))

- {

- $sql_data .= "\nSET IDENTITY_INSERT $table_name ON\nGO\n";

- $ident_set = true;

- }

- $db->sql_freeresult($result2);

- }

-

- $i_num_fields = odbc_num_fields($result);

-

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

- {

- $ary_type[$i] = odbc_field_type($result, $i + 1);

- $ary_name[$i] = odbc_field_name($result, $i + 1);

- }

-

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

- {

- $schema_vals = $schema_fields = array();

-

- // Build the SQL statement to recreate the data.

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

- {

- $str_val = $row[$ary_name[$i]];

-

- if (preg_match('#char|text|bool|varbinary#i', $ary_type[$i]))

- {

- $str_quote = '';

- $str_empty = "''";

- $str_val = sanitize_data_mssql(str_replace("'", "''", $str_val));

- }

- else if (preg_match('#date|timestamp#i', $ary_type[$i]))

- {

- if (empty($str_val))

- {

- $str_quote = '';

- }

- else

- {

- $str_quote = "'";

- }

- }

- else

- {

- $str_quote = '';

- $str_empty = 'NULL';

- }

-

- if (empty($str_val) && $str_val !== '0' && !(is_int($str_val) || is_float($str_val)))

- {

- $str_val = $str_empty;

- }

-

- $schema_vals[$i] = $str_quote . $str_val . $str_quote;

- $schema_fields[$i] = $ary_name[$i];

- }

-

- // Take the ordered fields and their associated data and build it

- // into a valid sql statement to recreate that field in the data.

- $sql_data .= "INSERT INTO $table_name (" . implode(', ', $schema_fields) . ') VALUES (' . implode(', ', $schema_vals) . ");\nGO\n";

-

- $this->flush($sql_data);

-

- $sql_data = '';

-

- }

- $db->sql_freeresult($result);

-

- if ($retrieved_data && $ident_set)

- {

- $sql_data .= "\nSET IDENTITY_INSERT $table_name OFF\nGO\n";

- }

- $this->flush($sql_data);

- }

-

-}

-

-class oracle_extractor extends base_extractor

-{

- function write_table($table_name)

- {

- global $db;

- $sql_data = '-- Table: ' . $table_name . "\n";

- $sql_data .= "DROP TABLE $table_name\n/\n";

- $sql_data .= "\nCREATE TABLE $table_name (\n";

-

- $sql = "SELECT COLUMN_NAME, DATA_TYPE, DATA_PRECISION, DATA_LENGTH, NULLABLE, DATA_DEFAULT

- FROM ALL_TAB_COLS

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

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

-

- $rows = array();

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

- {

- $line = ' "' . $row['column_name'] . '" ' . $row['data_type'];

-

- if ($row['data_type'] !== 'CLOB')

- {

- if ($row['data_type'] !== 'VARCHAR2' && $row['data_type'] !== 'CHAR')

- {

- $line .= '(' . $row['data_precision'] . ')';

- }

- else

- {

- $line .= '(' . $row['data_length'] . ')';

- }

- }

-

- if (!empty($row['data_default']))

- {

- $line .= ' DEFAULT ' . $row['data_default'];

- }

-

- if ($row['nullable'] == 'N')

- {

- $line .= ' NOT NULL';

- }

- $rows[] = $line;

- }

- $db->sql_freeresult($result);

-

- $sql = "SELECT A.CONSTRAINT_NAME, A.COLUMN_NAME

- FROM USER_CONS_COLUMNS A, USER_CONSTRAINTS B

- WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME

- AND B.CONSTRAINT_TYPE = 'P'

- AND A.TABLE_NAME = '{$table_name}'";

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

-

- $primary_key = array();

- $contraint_name = '';

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

- {

- $constraint_name = '"' . $row['constraint_name'] . '"';

- $primary_key[] = '"' . $row['column_name'] . '"';

- }

- $db->sql_freeresult($result);

-

- if (sizeof($primary_key))

- {

- $rows[] = " CONSTRAINT {$constraint_name} PRIMARY KEY (" . implode(', ', $primary_key) . ')';

- }

-

- $sql = "SELECT A.CONSTRAINT_NAME, A.COLUMN_NAME

- FROM USER_CONS_COLUMNS A, USER_CONSTRAINTS B

- WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME

- AND B.CONSTRAINT_TYPE = 'U'

- AND A.TABLE_NAME = '{$table_name}'";

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

-

- $unique = array();

- $contraint_name = '';

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

- {

- $constraint_name = '"' . $row['constraint_name'] . '"';

- $unique[] = '"' . $row['column_name'] . '"';

- }

- $db->sql_freeresult($result);

-

- if (sizeof($unique))

- {

- $rows[] = " CONSTRAINT {$constraint_name} UNIQUE (" . implode(', ', $unique) . ')';

- }

-

- $sql_data .= implode(",\n", $rows);

- $sql_data .= "\n)\n/\n";

-

- $sql = "SELECT A.REFERENCED_NAME, C.*

- FROM USER_DEPENDENCIES A, USER_TRIGGERS B, USER_SEQUENCES C

- WHERE A.REFERENCED_TYPE = 'SEQUENCE'

- AND A.NAME = B.TRIGGER_NAME

- AND B.TABLE_NAME = '{$table_name}'

- AND C.SEQUENCE_NAME = A.REFERENCED_NAME";

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

-

- $type = request_var('type', '');

-

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

- {

- $sql_data .= "\nDROP SEQUENCE \"{$row['referenced_name']}\"\n/\n";

- $sql_data .= "\nCREATE SEQUENCE \"{$row['referenced_name']}\"";

-

- if ($type == 'full')

- {

- $sql_data .= ' START WITH ' . $row['last_number'];

- }

-

- $sql_data .= "\n/\n";

- }

- $db->sql_freeresult($result);

-

- $sql = "SELECT DESCRIPTION, WHEN_CLAUSE, TRIGGER_BODY

- FROM USER_TRIGGERS

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

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

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

- {

- $sql_data .= "\nCREATE OR REPLACE TRIGGER {$row['description']}WHEN ({$row['when_clause']})\n{$row['trigger_body']}\n/\n";

- }

- $db->sql_freeresult($result);

-

- $sql = "SELECT A.INDEX_NAME, B.COLUMN_NAME

- FROM USER_INDEXES A, USER_IND_COLUMNS B

- WHERE A.UNIQUENESS = 'NONUNIQUE'

- AND A.INDEX_NAME = B.INDEX_NAME

- AND B.TABLE_NAME = '{$table_name}'";

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

-

- $index = array();

-

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

- {

- $index[$row['index_name']][] = $row['column_name'];

- }

-

- foreach ($index as $index_name => $column_names)

- {

- $sql_data .= "\nCREATE INDEX $index_name ON $table_name(" . implode(', ', $column_names) . ")\n/\n";

- }

- $db->sql_freeresult($result);

- $this->flush($sql_data);

- }

-

- function write_data($table_name)

- {

- global $db;

- $ary_type = $ary_name = array();

-

- // Grab all of the data from current table.

- $sql = "SELECT *

- FROM $table_name";

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

-

- $i_num_fields = ocinumcols($result);

-

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

- {

- $ary_type[$i] = ocicolumntype($result, $i + 1);

- $ary_name[$i] = ocicolumnname($result, $i + 1);

- }

-

- $sql_data = '';

-

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

- {

- $schema_vals = $schema_fields = array();

-

- // Build the SQL statement to recreate the data.

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

- {

- // Oracle uses uppercase - we use lowercase

- $str_val = $row[strtolower($ary_name[$i])];

-

- if (preg_match('#char|text|bool|raw|clob#i', $ary_type[$i]))

- {

- $str_quote = '';

- $str_empty = "''";

- $str_val = sanitize_data_oracle($str_val);

- }

- else if (preg_match('#date|timestamp#i', $ary_type[$i]))

- {

- if (empty($str_val))

- {

- $str_quote = '';

- }

- else

- {

- $str_quote = "'";

- }

- }

- else

- {

- $str_quote = '';

- $str_empty = 'NULL';

- }

-

- if (empty($str_val) && $str_val !== '0')

- {

- $str_val = $str_empty;

- }

-

- $schema_vals[$i] = $str_quote . $str_val . $str_quote;

- $schema_fields[$i] = '"' . $ary_name[$i] . '"';

- }

-

- // Take the ordered fields and their associated data and build it

- // into a valid sql statement to recreate that field in the data.

- $sql_data = "INSERT INTO $table_name (" . implode(', ', $schema_fields) . ') VALUES (' . implode(', ', $schema_vals) . ")\n/\n";

-

- $this->flush($sql_data);

- }

- $db->sql_freeresult($result);

- }

-

- function write_start($prefix)

- {

- $sql_data = "--\n";

- $sql_data .= "-- phpBB Backup Script\n";

- $sql_data .= "-- Dump of tables for $prefix\n";

- $sql_data .= "-- DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n";

- $sql_data .= "--\n";

- $this->flush($sql_data);

- }

-}

-