diff options
Diffstat (limited to 'phpBB/includes/db/driver/mysql_base.php')
| -rw-r--r-- | phpBB/includes/db/driver/mysql_base.php | 145 | 
1 files changed, 0 insertions, 145 deletions
| diff --git a/phpBB/includes/db/driver/mysql_base.php b/phpBB/includes/db/driver/mysql_base.php deleted file mode 100644 index ba44ea61aa..0000000000 --- a/phpBB/includes/db/driver/mysql_base.php +++ /dev/null @@ -1,145 +0,0 @@ -<?php -/** -* -* @package dbal -* @copyright (c) 2013 phpBB Group -* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 -* -*/ - -/** -* @ignore -*/ -if (!defined('IN_PHPBB')) -{ -	exit; -} - -/** -* Abstract MySQL Database Base Abstraction Layer -* @package dbal -*/ -abstract class phpbb_db_driver_mysql_base extends phpbb_db_driver -{ -	/** -	* {@inheritDoc} -	*/ -	public function sql_concatenate($expr1, $expr2) -	{ -		return 'CONCAT(' . $expr1 . ', ' . $expr2 . ')'; -	} - -	/** -	* Build LIMIT query -	*/ -	function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) -	{ -		$this->query_result = false; - -		// if $total is set to 0 we do not want to limit the number of rows -		if ($total == 0) -		{ -			// MySQL 4.1+ no longer supports -1 in limit queries -			$total = '18446744073709551615'; -		} - -		$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total); - -		return $this->sql_query($query, $cache_ttl); -	} - -	/** -	* 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) -	{ -		$table_status = $this->get_table_status($table_name); - -		if (isset($table_status['Engine'])) -		{ -			if ($table_status['Engine'] === 'MyISAM') -			{ -				return $table_status['Rows']; -			} -			else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000) -			{ -				return '~' . $table_status['Rows']; -			} -		} - -		return parent::get_row_count($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) -	{ -		$table_status = $this->get_table_status($table_name); - -		if (isset($table_status['Engine']) && $table_status['Engine'] === 'MyISAM') -		{ -			return $table_status['Rows']; -		} - -		return parent::get_row_count($table_name); -	} - -	/** -	* Gets some information about the specified table. -	* -	* @param string $table_name		Table name -	* -	* @return array -	* -	* @access protected -	*/ -	function get_table_status($table_name) -	{ -		$sql = "SHOW TABLE STATUS -			LIKE '" . $this->sql_escape($table_name) . "'"; -		$result = $this->sql_query($sql); -		$table_status = $this->sql_fetchrow($result); -		$this->sql_freeresult($result); - -		return $table_status; -	} - -	/** -	* Build LIKE expression -	* @access private -	*/ -	function _sql_like_expression($expression) -	{ -		return $expression; -	} - -	/** -	* Build db-specific query data -	* @access private -	*/ -	function _sql_custom_build($stage, $data) -	{ -		switch ($stage) -		{ -			case 'FROM': -				$data = '(' . $data . ')'; -			break; -		} - -		return $data; -	} -} | 
