| <?php |
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| if (!defined('IN_PHPBB')) |
| { |
| exit; |
| } |
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| include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx); |
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| class dbal_postgres extends dbal |
| { |
| var $last_query_text = ''; |
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| function sql_connect($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 ($sqlserver) |
| { |
| if (strpos($sqlserver, ':') !== false) |
| { |
| 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; |
| |
| $this->db_connect_id = ($this->persistency) ? @pg_pconnect($connect_string, $new_link) : @pg_connect($connect_string, $new_link); |
| |
| if ($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; |
| } |
| |
| return $this->sql_error(''); |
| } |
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| function sql_server_info($raw = false) |
| { |
| global $cache; |
| |
| if (empty($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)) |
| { |
| $cache->put('pgsql_version', $this->sql_server_version); |
| } |
| } |
| |
| return ($raw) ? $this->sql_server_version : 'PostgreSQL ' . $this->sql_server_version; |
| } |
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| function _sql_transaction($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; |
| } |
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| function sql_query($query = '', $cache_ttl = 0) |
| { |
| if ($query != '') |
| { |
| global $cache; |
| |
| |
| 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 $this->query_result; |
| } |
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| |
| function _sql_custom_build($stage, $data) |
| { |
| return $data; |
| } |
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| function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) |
| { |
| $this->query_result = false; |
| |
| |
| if ($total == 0) |
| { |
| $total = -1; |
| } |
| |
| $query .= "\n LIMIT $total OFFSET $offset"; |
| |
| return $this->sql_query($query, $cache_ttl); |
| } |
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| |
| function sql_affectedrows() |
| { |
| return ($this->query_result) ? @pg_affected_rows($this->query_result) : false; |
| } |
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| function sql_fetchrow($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; |
| } |
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| 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; |
| } |
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| 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) ? $temp_result['last_value'] : false; |
| } |
| } |
| |
| return false; |
| } |
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| function sql_freeresult($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; |
| } |
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| function sql_escape($msg) |
| { |
| return @pg_escape_string($msg); |
| } |
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| function _sql_like_expression($expression) |
| { |
| return $expression; |
| } |
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| function _sql_error() |
| { |
| return array( |
| 'message' => (!$this->db_connect_id) ? @pg_last_error() : @pg_last_error($this->db_connect_id), |
| 'code' => '' |
| ); |
| } |
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| function _sql_close() |
| { |
| return @pg_close($this->db_connect_id); |
| } |
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| 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($result, NULL)) |
| { |
| |
| } |
| @pg_free_result($result); |
| |
| $splittime = explode(' ', microtime()); |
| $splittime = $splittime[0] + $splittime[1]; |
| |
| $this->sql_report('record_fromcache', $query, $endtime, $splittime); |
| |
| break; |
| } |
| } |
| } |
| |
| ?> |