1 files changed, 0 insertions, 491 deletions
diff --git a/phpBB/includes/db/driver/postgres.php b/phpBB/includes/db/driver/postgres.php
deleted file mode 100644
index 14854d179d..0000000000
--- a/phpBB/includes/db/driver/postgres.php
+++ /dev/null
@@ -1,491 +0,0 @@
-<?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;
-}
-
-/**
-* PostgreSQL Database Abstraction Layer
-* Minimum Requirement is Version 7.3+
-* @package dbal
-*/
-class phpbb_db_driver_postgres extends phpbb_db_driver
-{
-	var $last_query_text = '';
-	var $connect_error = '';
-
-	/**
-	* Connect to server
-	*/
-	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
-	{
-		$connect_string = '';
-
-		if ($sqluser)
-		{
-			$connect_string .= "user=$sqluser ";
-		}
-
-		if ($sqlpassword)
-		{
-			$connect_string .= "password=$sqlpassword ";
-		}
-
-		if ($sqlserver)
-		{
-			// $sqlserver can carry a port separated by : for compatibility reasons
-			// If $sqlserver has more than one : it's probably an IPv6 address.
-			// In this case we only allow passing a port via the $port variable.
-			if (substr_count($sqlserver, ':') === 1)
-			{
-				list($sqlserver, $port) = explode(':', $sqlserver);
-			}
-
-			if ($sqlserver !== 'localhost')
-			{
-				$connect_string .= "host=$sqlserver ";
-			}
-
-			if ($port)
-			{
-				$connect_string .= "port=$port ";
-			}
-		}
-
-		$schema = '';
-
-		if ($database)
-		{
-			$this->dbname = $database;
-			if (strpos($database, '.') !== false)
-			{
-				list($database, $schema) = explode('.', $database);
-			}
-			$connect_string .= "dbname=$database";
-		}
-
-		$this->persistency = $persistency;
-
-		if ($this->persistency)
-		{
-			if (!function_exists('pg_pconnect'))
-			{
-				$this->connect_error = 'pg_pconnect function does not exist, is pgsql extension installed?';
-				return $this->sql_error('');
-			}
-			$collector = new phpbb_error_collector;
-			$collector->install();
-			$this->db_connect_id = (!$new_link) ? @pg_pconnect($connect_string) : @pg_pconnect($connect_string, PGSQL_CONNECT_FORCE_NEW);
-		}
-		else
-		{
-			if (!function_exists('pg_connect'))
-			{
-				$this->connect_error = 'pg_connect function does not exist, is pgsql extension installed?';
-				return $this->sql_error('');
-			}
-			$collector = new phpbb_error_collector;
-			$collector->install();
-			$this->db_connect_id = (!$new_link) ? @pg_connect($connect_string) : @pg_connect($connect_string, PGSQL_CONNECT_FORCE_NEW);
-		}
-
-		$collector->uninstall();
-
-		if ($this->db_connect_id)
-		{
-			if (version_compare($this->sql_server_info(true), '8.2', '>='))
-			{
-				$this->multi_insert = true;
-			}
-
-			if ($schema !== '')
-			{
-				@pg_query($this->db_connect_id, 'SET search_path TO ' . $schema);
-			}
-			return $this->db_connect_id;
-		}
-
-		$this->connect_error = $collector->format_errors();
-		return $this->sql_error('');
-	}
-
-	/**
-	* Version information about used database
-	* @param bool $raw if true, only return the fetched sql_server_version
-	* @param bool $use_cache If true, it is safe to retrieve the value from the cache
-	* @return string sql server version
-	*/
-	function sql_server_info($raw = false, $use_cache = true)
-	{
-		global $cache;
-
-		if (!$use_cache || empty($cache) || ($this->sql_server_version = $cache->get('pgsql_version')) === false)
-		{
-			$query_id = @pg_query($this->db_connect_id, 'SELECT VERSION() AS version');
-			$row = @pg_fetch_assoc($query_id, null);
-			@pg_free_result($query_id);
-
-			$this->sql_server_version = (!empty($row['version'])) ? trim(substr($row['version'], 10)) : 0;
-
-			if (!empty($cache) && $use_cache)
-			{
-				$cache->put('pgsql_version', $this->sql_server_version);
-			}
-		}
-
-		return ($raw) ? $this->sql_server_version : 'PostgreSQL ' . $this->sql_server_version;
-	}
-
-	/**
-	* SQL Transaction
-	* @access private
-	*/
-	function _sql_transaction($status = 'begin')
-	{
-		switch ($status)
-		{
-			case 'begin':
-				return @pg_query($this->db_connect_id, 'BEGIN');
-			break;
-
-			case 'commit':
-				return @pg_query($this->db_connect_id, 'COMMIT');
-			break;
-
-			case 'rollback':
-				return @pg_query($this->db_connect_id, 'ROLLBACK');
-			break;
-		}
-
-		return true;
-	}
-
-	/**
-	* Base query method
-	*
-	* @param	string	$query		Contains the SQL query which shall be executed
-	* @param	int		$cache_ttl	Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
-	* @return	mixed				When casted to bool the returned value returns true on success and false on failure
-	*
-	* @access	public
-	*/
-	function sql_query($query = '', $cache_ttl = 0)
-	{
-		if ($query != '')
-		{
-			global $cache;
-
-			// EXPLAIN only in extra debug mode
-			if (defined('DEBUG'))
-			{
-				$this->sql_report('start', $query);
-			}
-
-			$this->last_query_text = $query;
-			$this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($query) : false;
-			$this->sql_add_num_queries($this->query_result);
-
-			if ($this->query_result === false)
-			{
-				if (($this->query_result = @pg_query($this->db_connect_id, $query)) === false)
-				{
-					$this->sql_error($query);
-				}
-
-				if (defined('DEBUG'))
-				{
-					$this->sql_report('stop', $query);
-				}
-
-				if ($cache && $cache_ttl)
-				{
-					$this->open_queries[(int) $this->query_result] = $this->query_result;
-					$this->query_result = $cache->sql_save($this, $query, $this->query_result, $cache_ttl);
-				}
-				else if (strpos($query, 'SELECT') === 0 && $this->query_result)
-				{
-					$this->open_queries[(int) $this->query_result] = $this->query_result;
-				}
-			}
-			else if (defined('DEBUG'))
-			{
-				$this->sql_report('fromcache', $query);
-			}
-		}
-		else
-		{
-			return false;
-		}
-
-		return $this->query_result;
-	}
-
-	/**
-	* Build db-specific query data
-	* @access private
-	*/
-	function _sql_custom_build($stage, $data)
-	{
-		return $data;
-	}
-
-	/**
-	* Build LIMIT query
-	*/
-	function _sql_query_limit($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)
-		{
-			$total = 'ALL';
-		}
-
-		$query .= "\n LIMIT $total OFFSET $offset";
-
-		return $this->sql_query($query, $cache_ttl);
-	}
-
-	/**
-	* Return number of affected rows
-	*/
-	function sql_affectedrows()
-	{
-		return ($this->query_result) ? @pg_affected_rows($this->query_result) : false;
-	}
-
-	/**
-	* Fetch current row
-	*/
-	function sql_fetchrow($query_id = false)
-	{
-		global $cache;
-
-		if ($query_id === false)
-		{
-			$query_id = $this->query_result;
-		}
-
-		if ($cache && $cache->sql_exists($query_id))
-		{
-			return $cache->sql_fetchrow($query_id);
-		}
-
-		return ($query_id !== false) ? @pg_fetch_assoc($query_id, null) : 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, $query_id);
-		}
-
-		return ($query_id !== false) ? @pg_result_seek($query_id, $rownum) : false;
-	}
-
-	/**
-	* Get last inserted id after insert statement
-	*/
-	function sql_nextid()
-	{
-		$query_id = $this->query_result;
-
-		if ($query_id !== false && $this->last_query_text != '')
-		{
-			if (preg_match("/^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)/is", $this->last_query_text, $tablename))
-			{
-				$query = "SELECT currval('" . $tablename[1] . "_seq') AS last_value";
-				$temp_q_id = @pg_query($this->db_connect_id, $query);
-
-				if (!$temp_q_id)
-				{
-					return false;
-				}
-
-				$temp_result = @pg_fetch_assoc($temp_q_id, NULL);
-				@pg_free_result($query_id);
-
-				return ($temp_result) ? $temp_result['last_value'] : false;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	* Free sql result
-	*/
-	function sql_freeresult($query_id = false)
-	{
-		global $cache;
-
-		if ($query_id === false)
-		{
-			$query_id = $this->query_result;
-		}
-
-		if ($cache && $cache->sql_exists($query_id))
-		{
-			return $cache->sql_freeresult($query_id);
-		}
-
-		if (isset($this->open_queries[(int) $query_id]))
-		{
-			unset($this->open_queries[(int) $query_id]);
-			return @pg_free_result($query_id);
-		}
-
-		return false;
-	}
-
-	/**
-	* Escape string used in sql query
-	* Note: Do not use for bytea values if we may use them at a later stage
-	*/
-	function sql_escape($msg)
-	{
-		return @pg_escape_string($msg);
-	}
-
-	/**
-	* Build LIKE expression
-	* @access private
-	*/
-	function _sql_like_expression($expression)
-	{
-		return $expression;
-	}
-
-	/**
-	* @inheritdoc
-	*/
-	function cast_expr_to_bigint($expression)
-	{
-		return 'CAST(' . $expression . ' as DECIMAL(255, 0))';
-	}
-
-	/**
-	* @inheritdoc
-	*/
-	function cast_expr_to_string($expression)
-	{
-		return 'CAST(' . $expression . ' as VARCHAR(255))';
-	}
-
-	/**
-	* return sql error array
-	* @access private
-	*/
-	function _sql_error()
-	{
-		// pg_last_error only works when there is an established connection.
-		// Connection errors have to be tracked by us manually.
-		if ($this->db_connect_id)
-		{
-			$message = @pg_last_error($this->db_connect_id);
-		}
-		else
-		{
-			$message = $this->connect_error;
-		}
-
-		return array(
-			'message'	=> $message,
-			'code'		=> ''
-		);
-	}
-
-	/**
-	* Close sql connection
-	* @access private
-	*/
-	function _sql_close()
-	{
-		return @pg_close($this->db_connect_id);
-	}
-
-	/**
-	* Build db-specific report
-	* @access private
-	*/
-	function _sql_report($mode, $query = '')
-	{
-		switch ($mode)
-		{
-			case 'start':
-
-				$explain_query = $query;
-				if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
-				{
-					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
-				}
-				else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
-				{
-					$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
-				}
-
-				if (preg_match('/^SELECT/', $explain_query))
-				{
-					$html_table = false;
-
-					if ($result = @pg_query($this->db_connect_id, "EXPLAIN $explain_query"))
-					{
-						while ($row = @pg_fetch_assoc($result, NULL))
-						{
-							$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
-						}
-					}
-					@pg_free_result($result);
-
-					if ($html_table)
-					{
-						$this->html_hold .= '</table>';
-					}
-				}
-
-			break;
-
-			case 'fromcache':
-				$endtime = explode(' ', microtime());
-				$endtime = $endtime[0] + $endtime[1];
-
-				$result = @pg_query($this->db_connect_id, $query);
-				while ($void = @pg_fetch_assoc($result, NULL))
-				{
-					// Take the time spent on parsing rows into account
-				}
-				@pg_free_result($result);
-
-				$splittime = explode(' ', microtime());
-				$splittime = $splittime[0] + $splittime[1];
-
-				$this->sql_report('record_fromcache', $query, $endtime, $splittime);
-
-			break;
-		}
-	}
-}