1 files changed, 2 insertions, 123 deletions
diff --git a/phpBB/includes/db/driver/mysqli.php b/phpBB/includes/db/driver/mysqli.php
index 7448bf1670..0f7a73ee6e 100644
--- a/phpBB/includes/db/driver/mysqli.php
+++ b/phpBB/includes/db/driver/mysqli.php
@@ -21,7 +21,7 @@ if (!defined('IN_PHPBB'))
 * MySQL 4.1+ or MySQL 5.0+
 * @package dbal
 */
-class phpbb_db_driver_mysqli extends phpbb_db_driver
+class phpbb_db_driver_mysqli extends phpbb_db_driver_mysql_base
 {
 	var $multi_insert = true;
 	var $connect_error = '';
@@ -103,6 +103,7 @@ class phpbb_db_driver_mysqli extends phpbb_db_driver
 
 	/**
 	* Version information about used database
+	* @param bool $raw if true, only return the fetched sql_server_version
 	* @param bool $use_cache If true, it is safe to retrieve the value from the cache
 	* @return string sql server version
 	*/
@@ -128,14 +129,6 @@ class phpbb_db_driver_mysqli extends phpbb_db_driver
 	}
 
 	/**
-	* {@inheritDoc}
-	*/
-	public function sql_concatenate($expr1, $expr2)
-	{
-		return 'CONCAT(' . $expr1 . ', ' . $expr2 . ')';
-	}
-
-	/**
 	* SQL Transaction
 	* @access private
 	*/
@@ -218,25 +211,6 @@ class phpbb_db_driver_mysqli extends phpbb_db_driver
 	}
 
 	/**
-	* 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);
-	}
-
-	/**
 	* Return number of affected rows
 	*/
 	function sql_affectedrows()
@@ -328,101 +302,6 @@ class phpbb_db_driver_mysqli extends phpbb_db_driver
 	}
 
 	/**
-	* 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;
-	}
-
-	/**
 	* return sql error array
 	* @access private
 	*/