mirror of
https://github.com/phpbb/phpbb.git
synced 2025-08-06 16:56:44 +02:00
Move trunk/phpBB to old_trunk/phpBB
git-svn-id: file:///svn/phpbb/trunk@10210 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
@@ -1,447 +0,0 @@
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<?php
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/**
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*
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* @package dbal
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* @version $Id$
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @ignore
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*/
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if (!defined('IN_PHPBB'))
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{
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exit;
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}
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/**
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* MySQL Database Abstraction Layer
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* Compatible with:
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* MySQL 4.1+
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* MySQL 5.0+
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* @package dbal
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*/
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class phpbb_dbal_mysql extends phpbb_dbal
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{
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/**
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* @var string Database type. No distinction between versions or used extensions.
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*/
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public $dbms_type = 'mysql';
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/**
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* @var array Database type map, column layout information
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*/
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public $dbms_type_map = array(
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'INT:' => 'int(%d)',
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'BINT' => 'bigint(20)',
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'UINT' => 'mediumint(8) UNSIGNED',
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'UINT:' => 'int(%d) UNSIGNED',
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'TINT:' => 'tinyint(%d)',
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'USINT' => 'smallint(4) UNSIGNED',
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'BOOL' => 'tinyint(1) UNSIGNED',
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'VCHAR' => 'varchar(255)',
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'VCHAR:' => 'varchar(%d)',
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'CHAR:' => 'char(%d)',
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'XSTEXT' => 'text',
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'XSTEXT_UNI'=> 'varchar(100)',
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'STEXT' => 'text',
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'STEXT_UNI' => 'varchar(255)',
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'TEXT' => 'text',
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'TEXT_UNI' => 'text',
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'MTEXT' => 'mediumtext',
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'MTEXT_UNI' => 'mediumtext',
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'TIMESTAMP' => 'int(11) UNSIGNED',
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'DECIMAL' => 'decimal(5,2)',
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'DECIMAL:' => 'decimal(%d,2)',
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'PDECIMAL' => 'decimal(6,3)',
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'PDECIMAL:' => 'decimal(%d,3)',
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'VCHAR_UNI' => 'varchar(255)',
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'VCHAR_UNI:'=> 'varchar(%d)',
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'VARBINARY' => 'varbinary(255)',
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);
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/**
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* Connect to server. See {@link phpbb_dbal::sql_connect() sql_connect()} for details.
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*/
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public function sql_connect($server, $user, $password, $database, $port = false, $persistency = false , $new_link = false)
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{
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$this->persistency = $persistency;
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$this->user = $user;
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$this->server = $server . (($port) ? ':' . $port : '');
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$this->dbname = $database;
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$this->port = $port;
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$this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $password, $new_link) : @mysql_connect($this->server, $this->user, $password, $new_link);
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if (!$this->db_connect_id || !$this->dbname)
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{
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return $this->sql_error('');
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}
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if (!@mysql_select_db($this->dbname, $this->db_connect_id))
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{
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return $this->sql_error('');
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}
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@mysql_query("SET NAMES 'utf8'", $this->db_connect_id);
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// enforce strict mode on databases that support it
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if (version_compare($this->sql_server_info(true), '5.0.2', '>='))
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{
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$result = @mysql_query('SELECT @@session.sql_mode AS sql_mode', $this->db_connect_id);
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$row = @mysql_fetch_assoc($result);
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@mysql_free_result($result);
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$modes = array_map('trim', explode(',', $row['sql_mode']));
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// TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES
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if (!in_array('TRADITIONAL', $modes))
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{
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if (!in_array('STRICT_ALL_TABLES', $modes))
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{
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$modes[] = 'STRICT_ALL_TABLES';
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}
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if (!in_array('STRICT_TRANS_TABLES', $modes))
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{
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$modes[] = 'STRICT_TRANS_TABLES';
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}
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}
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$mode = implode(',', $modes);
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@mysql_query("SET SESSION sql_mode='{$mode}'", $this->db_connect_id);
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}
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return $this->db_connect_id;
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}
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/**
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* Version information about used database. See {@link phpbb_dbal::sql_server_info() sql_server_info()} for details.
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*/
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public function sql_server_info($raw = false)
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{
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if (!phpbb::registered('acm') || ($this->sql_server_version = phpbb::$acm->get('#mysql_version')) === false)
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{
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$result = @mysql_query('SELECT VERSION() AS version', $this->db_connect_id);
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$row = @mysql_fetch_assoc($result);
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@mysql_free_result($result);
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$this->sql_server_version = trim($row['version']);
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if (phpbb::registered('acm'))
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{
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phpbb::$acm->put('#mysql_version', $this->sql_server_version);
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}
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}
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return ($raw) ? $this->sql_server_version : 'MySQL ' . $this->sql_server_version;
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}
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/**
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* DB-specific base query method. See {@link phpbb_dbal::_sql_query() _sql_query()} for details.
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*/
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protected function _sql_query($query)
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{
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return @mysql_query($query, $this->db_connect_id);
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}
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/**
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* Build LIMIT query and run it. See {@link phpbb_dbal::_sql_query_limit() _sql_query_limit()} for details.
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*/
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protected function _sql_query_limit($query, $total, $offset, $cache_ttl)
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{
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// if $total is set to 0 we do not want to limit the number of rows
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if ($total == 0)
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{
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// MySQL 4.1+ no longer supports -1 in limit queries
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$total = '18446744073709551615';
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}
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$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
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return $this->sql_query($query, $cache_ttl);
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}
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/**
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* Close sql connection. See {@link phpbb_dbal::_sql_close() _sql_close()} for details.
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*/
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protected function _sql_close()
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{
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return @mysql_close($this->db_connect_id);
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}
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/**
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* SQL Transaction. See {@link phpbb_dbal::_sql_transaction() _sql_transaction()} for details.
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*/
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protected function _sql_transaction($status)
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{
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switch ($status)
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{
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case 'begin':
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return @mysql_query('BEGIN', $this->db_connect_id);
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break;
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case 'commit':
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return @mysql_query('COMMIT', $this->db_connect_id);
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break;
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case 'rollback':
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return @mysql_query('ROLLBACK', $this->db_connect_id);
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break;
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}
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return true;
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}
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/**
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* Return number of affected rows. See {@link phpbb_dbal::sql_affectedrows() sql_affectedrows()} for details.
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*/
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public function sql_affectedrows()
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{
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return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;
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}
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/**
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* Get last inserted id after insert statement. See {@link phpbb_dbal::sql_nextid() sql_nextid()} for details.
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*/
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public function sql_nextid()
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{
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return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;
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}
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/**
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* Fetch current row. See {@link phpbb_dbal::_sql_fetchrow() _sql_fetchrow()} for details.
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*/
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protected function _sql_fetchrow($query_id)
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{
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return @mysql_fetch_assoc($query_id);
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}
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/**
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* Free query result. See {@link phpbb_dbal::_sql_freeresult() _sql_freeresult()} for details.
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*/
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protected function _sql_freeresult($query_id)
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{
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return @mysql_free_result($query_id);
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}
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/**
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* Correctly adjust LIKE expression for special characters. See {@link phpbb_dbal::_sql_like_expression() _sql_like_expression()} for details.
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*/
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protected function _sql_like_expression($expression)
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{
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return $expression;
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}
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/**
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* Escape string used in sql query. See {@link phpbb_dbal::sql_escape() sql_escape()} for details.
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*/
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public function sql_escape($msg)
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{
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if (!$this->db_connect_id)
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{
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return @mysql_real_escape_string($msg);
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}
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return @mysql_real_escape_string($msg, $this->db_connect_id);
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}
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/**
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* Expose a DBMS specific function. See {@link phpbb_dbal::sql_function() sql_function()} for details.
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*/
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public function sql_function($type, $col)
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{
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switch ($type)
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{
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case 'length_varchar':
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case 'length_text':
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return 'LENGTH(' . $col . ')';
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break;
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}
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}
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/**
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* Handle data by using prepared statements. See {@link phpbb_dbal::sql_handle_data() sql_handle_data()} for details.
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public function sql_handle_data($type, $table, $data, $where = '')
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{
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}
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*/
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/**
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* Build DB-specific query bits. See {@link phpbb_dbal::_sql_custom_build() _sql_custom_build()} for details.
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*/
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protected function _sql_custom_build($stage, $data)
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{
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switch ($stage)
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{
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case 'FROM':
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$data = '(' . $data . ')';
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break;
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}
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return $data;
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}
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/**
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* return sql error array. See {@link phpbb_dbal::_sql_error() _sql_error()} for details.
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*/
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protected function _sql_error()
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{
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if (!$this->db_connect_id)
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{
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return array(
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'message' => @mysql_error(),
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'code' => @mysql_errno()
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);
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}
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return array(
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'message' => @mysql_error($this->db_connect_id),
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'code' => @mysql_errno($this->db_connect_id)
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);
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}
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/**
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* 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.
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*/
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protected function _sql_report($mode, $query = '')
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{
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static $test_prof;
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static $test_extend;
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// current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING
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if ($test_prof === null)
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{
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$test_prof = $test_extend = false;
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if (version_compare($this->sql_server_info(true), '5.0.37', '>=') && version_compare($this->sql_server_info(true), '5.1', '<'))
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{
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$test_prof = true;
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}
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if (version_compare($this->sql_server_info(true), '4.1.1', '>='))
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{
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$test_extend = true;
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}
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}
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switch ($mode)
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{
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case 'start':
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$explain_query = $query;
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if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
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{
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$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
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}
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else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
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{
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$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
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}
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if (preg_match('/^SELECT/', $explain_query))
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{
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$html_table = false;
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// begin profiling
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if ($test_prof)
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{
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@mysql_query('SET profiling = 1;', $this->db_connect_id);
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}
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if ($result = @mysql_query('EXPLAIN ' . (($test_extend) ? 'EXTENDED ' : '') . "$explain_query", $this->db_connect_id))
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{
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while ($row = @mysql_fetch_assoc($result))
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{
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$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
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}
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}
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@mysql_free_result($result);
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if ($html_table)
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{
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$this->html_hold .= '</table>';
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}
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if ($test_extend)
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{
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$html_table = false;
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if ($result = @mysql_query('SHOW WARNINGS', $this->db_connect_id))
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{
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$this->html_hold .= '<br />';
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while ($row = @mysql_fetch_assoc($result))
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{
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$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
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}
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}
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@mysql_free_result($result);
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if ($html_table)
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{
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$this->html_hold .= '</table>';
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}
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}
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if ($test_prof)
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{
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$html_table = false;
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// get the last profile
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if ($result = @mysql_query('SHOW PROFILE ALL;', $this->db_connect_id))
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{
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$this->html_hold .= '<br />';
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while ($row = @mysql_fetch_assoc($result))
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{
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// make <unknown> HTML safe
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if (!empty($row['Source_function']))
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{
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$row['Source_function'] = str_replace(array('<', '>'), array('<', '>'), $row['Source_function']);
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}
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// remove unsupported features
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foreach ($row as $key => $val)
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{
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if ($val === null)
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{
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unset($row[$key]);
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}
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}
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$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
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}
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}
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@mysql_free_result($result);
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if ($html_table)
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{
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$this->html_hold .= '</table>';
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}
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@mysql_query('SET profiling = 0;', $this->db_connect_id);
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}
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}
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break;
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case 'fromcache':
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$endtime = explode(' ', microtime());
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$endtime = $endtime[0] + $endtime[1];
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$result = @mysql_query($query, $this->db_connect_id);
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while ($void = @mysql_fetch_assoc($result))
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{
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// Take the time spent on parsing rows into account
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}
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@mysql_free_result($result);
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$splittime = explode(' ', microtime());
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$splittime = $splittime[0] + $splittime[1];
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$this->sql_report('record_fromcache', $query, $endtime, $splittime);
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break;
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}
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}
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}
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||||
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||||
?>
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||||
Reference in New Issue
Block a user