diff options
Diffstat (limited to 'phpBB/includes/db/postgres.php')
-rw-r--r-- | phpBB/includes/db/postgres.php | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/phpBB/includes/db/postgres.php b/phpBB/includes/db/postgres.php deleted file mode 100644 index bb116e0763..0000000000 --- a/phpBB/includes/db/postgres.php +++ /dev/null @@ -1,485 +0,0 @@ -<?php -/** -* -* @package dbal -* @version $Id$ -* @copyright (c) 2005 phpBB Group -* @license http://opensource.org/licenses/gpl-license.php GNU Public License -* -*/ - -/** -* @ignore -*/ -if (!defined('IN_PHPBB')) -{ - exit; -} - -include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx); - -if (!class_exists('phpbb_error_collector')) -{ - include($phpbb_root_path . 'includes/error_collector.' . $phpEx); -} - -/** -* PostgreSQL Database Abstraction Layer -* Minimum Requirement is Version 7.3+ -* @package dbal -*/ -class dbal_postgres extends dbal -{ - 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_EXTRA')) - { - $this->sql_report('start', $query); - } - - $this->last_query_text = $query; - $this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($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_EXTRA')) - { - $this->sql_report('stop', $query); - } - - if ($cache_ttl && method_exists($cache, 'sql_save')) - { - $this->open_queries[(int) $this->query_result] = $this->query_result; - $cache->sql_save($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_EXTRA')) - { - $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 = $this->query_result; - } - - if (isset($cache->sql_rowset[$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 = $this->query_result; - } - - if (isset($cache->sql_rowset[$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 = $this->query_result; - } - - if (isset($cache->sql_rowset[$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 $expression; - } - - /** - * return sql error array - * @access private - */ - function _sql_error() - { - // pg_last_error only works when there is an established connection. - // Connection errors have to be tracked by us manually. - if ($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; - } - } -} - -?>
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