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mssql.php000066600000024421150472616240006432 0ustar00connect_error = 'mssql_connect function does not exist, is mssql extension installed?'; return $this->sql_error(''); } $this->persistency = $persistency; $this->user = $sqluser; $this->dbname = $database; $port_delimiter = (defined('PHP_OS') && substr(PHP_OS, 0, 3) === 'WIN') ? ',' : ':'; $this->server = $sqlserver . (($port) ? $port_delimiter . $port : ''); @ini_set('mssql.charset', 'UTF-8'); @ini_set('mssql.textlimit', 2147483647); @ini_set('mssql.textsize', 2147483647); if (version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.1', '>='))) { $this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword, $new_link) : @mssql_connect($this->server, $this->user, $sqlpassword, $new_link); } else { $this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword) : @mssql_connect($this->server, $this->user, $sqlpassword); } if ($this->db_connect_id && $this->dbname != '') { if (!@mssql_select_db($this->dbname, $this->db_connect_id)) { @mssql_close($this->db_connect_id); return false; } } return ($this->db_connect_id) ? $this->db_connect_id : $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('mssql_version')) === false) { $result_id = @mssql_query("SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY('productlevel'), SERVERPROPERTY('edition')", $this->db_connect_id); $row = false; if ($result_id) { $row = @mssql_fetch_assoc($result_id); @mssql_free_result($result_id); } $this->sql_server_version = ($row) ? trim(implode(' ', $row)) : 0; if (!empty($cache) && $use_cache) { $cache->put('mssql_version', $this->sql_server_version); } } if ($raw) { return $this->sql_server_version; } return ($this->sql_server_version) ? 'MSSQL
' . $this->sql_server_version : 'MSSQL'; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return @mssql_query('BEGIN TRANSACTION', $this->db_connect_id); break; case 'commit': return @mssql_query('COMMIT TRANSACTION', $this->db_connect_id); break; case 'rollback': return @mssql_query('ROLLBACK TRANSACTION', $this->db_connect_id); 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); } $this->query_result = ($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 = @mssql_query($query, $this->db_connect_id)) === 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 $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { $this->query_result = false; // Since TOP is only returning a set number of rows we won't need it if total is set to 0 (return all rows) if ($total) { // We need to grab the total number of rows + the offset number of rows to get the correct result if (strpos($query, 'SELECT DISTINCT') === 0) { $query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15); } else { $query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6); } } $result = $this->sql_query($query, $cache_ttl); // Seek by $offset rows if ($offset) { $this->sql_rowseek($offset, $result); } return $result; } /** * Return number of affected rows */ function sql_affectedrows() { return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false; } /** * Fetch current row */ function sql_fetchrow($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); } if ($query_id === false) { return false; } $row = @mssql_fetch_assoc($query_id); // I hope i am able to remove this later... hopefully only a PHP or MSSQL bug if ($row) { foreach ($row as $key => $value) { $row[$key] = ($value === ' ' || $value === NULL) ? '' : $value; } } return $row; } /** * Seek to given row number * rownum is zero-based */ function sql_rowseek($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) ? @mssql_data_seek($query_id, $rownum) : false; } /** * Get last inserted id after insert statement */ function sql_nextid() { $result_id = @mssql_query('SELECT SCOPE_IDENTITY()', $this->db_connect_id); if ($result_id) { if ($row = @mssql_fetch_assoc($result_id)) { @mssql_free_result($result_id); return $row['computed']; } @mssql_free_result($result_id); } 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($this->open_queries[$query_id])) { unset($this->open_queries[$query_id]); return @mssql_free_result($query_id); } return false; } /** * Escape string used in sql query */ function sql_escape($msg) { return str_replace(array("'", "\0"), array("''", ''), $msg); } /** * {@inheritDoc} */ function sql_lower_text($column_name) { return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))"; } /** * Build LIKE expression * @access private */ function _sql_like_expression($expression) { return $expression . " ESCAPE '\\'"; } /** * return sql error array * @access private */ function _sql_error() { if (function_exists('mssql_get_last_message')) { $error = array( 'message' => @mssql_get_last_message(), 'code' => '', ); // Get error code number $result_id = @mssql_query('SELECT @@ERROR as code', $this->db_connect_id); if ($result_id) { $row = @mssql_fetch_assoc($result_id); $error['code'] = $row['code']; @mssql_free_result($result_id); } // Get full error message if possible $sql = 'SELECT CAST(description as varchar(255)) as message FROM master.dbo.sysmessages WHERE error = ' . $error['code']; $result_id = @mssql_query($sql); if ($result_id) { $row = @mssql_fetch_assoc($result_id); if (!empty($row['message'])) { $error['message'] .= '
' . $row['message']; } @mssql_free_result($result_id); } } else { $error = array( 'message' => $this->connect_error, 'code' => '', ); } return $error; } /** * Build db-specific query data * @access private */ function _sql_custom_build($stage, $data) { return $data; } /** * Close sql connection * @access private */ function _sql_close() { return @mssql_close($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { switch ($mode) { case 'start': $html_table = false; @mssql_query('SET SHOWPLAN_TEXT ON;', $this->db_connect_id); if ($result = @mssql_query($query, $this->db_connect_id)) { @mssql_next_result($result); while ($row = @mssql_fetch_row($result)) { $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); } } @mssql_query('SET SHOWPLAN_TEXT OFF;', $this->db_connect_id); @mssql_free_result($result); if ($html_table) { $this->html_hold .= ''; } break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @mssql_query($query, $this->db_connect_id); while ($void = @mssql_fetch_assoc($result)) { // Take the time spent on parsing rows into account } @mssql_free_result($result); $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } } ?>mssqlnative.php000066600000035413150472616240007644 0ustar00m_cursor = 0; $this->m_rows = array(); $this->m_num_fields = sqlsrv_num_fields($queryresult); $this->m_field_meta = sqlsrv_field_metadata($queryresult); while ($row = sqlsrv_fetch_array($queryresult, SQLSRV_FETCH_ASSOC)) { if ($row !== null) { foreach($row as $k => $v) { if (is_object($v) && method_exists($v, 'format')) { $row[$k] = $v->format("Y-m-d\TH:i:s\Z"); } } $this->m_rows[] = $row;//read results into memory, cursors are not supported } } $this->m_row_count = sizeof($this->m_rows); } private function array_to_obj($array, &$obj) { foreach ($array as $key => $value) { if (is_array($value)) { $obj->$key = new stdClass(); array_to_obj($value, $obj->$key); } else { $obj->$key = $value; } } return $obj; } public function fetch($mode = SQLSRV_FETCH_BOTH, $object_class = 'stdClass') { if ($this->m_cursor >= $this->m_row_count || $this->m_row_count == 0) { return false; } $ret = false; $arr_num = array(); if ($mode == SQLSRV_FETCH_NUMERIC || $mode == SQLSRV_FETCH_BOTH) { foreach($this->m_rows[$this->m_cursor] as $key => $value) { $arr_num[] = $value; } } switch ($mode) { case SQLSRV_FETCH_ASSOC: $ret = $this->m_rows[$this->m_cursor]; break; case SQLSRV_FETCH_NUMERIC: $ret = $arr_num; break; case 'OBJECT': $ret = $this->array_to_obj($this->m_rows[$this->m_cursor], $o = new $object_class); break; case SQLSRV_FETCH_BOTH: default: $ret = $this->m_rows[$this->m_cursor] + $arr_num; break; } $this->m_cursor++; return $ret; } public function get($pos, $fld) { return $this->m_rows[$pos][$fld]; } public function num_rows() { return $this->m_row_count; } public function seek($iRow) { $this->m_cursor = min($iRow, $this->m_row_count); } public function num_fields() { return $this->m_num_fields; } public function field_name($nr) { $arr_keys = array_keys($this->m_rows[0]); return $arr_keys[$nr]; } public function field_type($nr) { $i = 0; $int_type = -1; $str_type = ''; foreach ($this->m_field_meta as $meta) { if ($nr == $i) { $int_type = $meta['Type']; break; } $i++; } //http://msdn.microsoft.com/en-us/library/cc296183.aspx contains type table switch ($int_type) { case SQLSRV_SQLTYPE_BIGINT: $str_type = 'bigint'; break; case SQLSRV_SQLTYPE_BINARY: $str_type = 'binary'; break; case SQLSRV_SQLTYPE_BIT: $str_type = 'bit'; break; case SQLSRV_SQLTYPE_CHAR: $str_type = 'char'; break; case SQLSRV_SQLTYPE_DATETIME: $str_type = 'datetime'; break; case SQLSRV_SQLTYPE_DECIMAL/*($precision, $scale)*/: $str_type = 'decimal'; break; case SQLSRV_SQLTYPE_FLOAT: $str_type = 'float'; break; case SQLSRV_SQLTYPE_IMAGE: $str_type = 'image'; break; case SQLSRV_SQLTYPE_INT: $str_type = 'int'; break; case SQLSRV_SQLTYPE_MONEY: $str_type = 'money'; break; case SQLSRV_SQLTYPE_NCHAR/*($charCount)*/: $str_type = 'nchar'; break; case SQLSRV_SQLTYPE_NUMERIC/*($precision, $scale)*/: $str_type = 'numeric'; break; case SQLSRV_SQLTYPE_NVARCHAR/*($charCount)*/: $str_type = 'nvarchar'; break; case SQLSRV_SQLTYPE_NTEXT: $str_type = 'ntext'; break; case SQLSRV_SQLTYPE_REAL: $str_type = 'real'; break; case SQLSRV_SQLTYPE_SMALLDATETIME: $str_type = 'smalldatetime'; break; case SQLSRV_SQLTYPE_SMALLINT: $str_type = 'smallint'; break; case SQLSRV_SQLTYPE_SMALLMONEY: $str_type = 'smallmoney'; break; case SQLSRV_SQLTYPE_TEXT: $str_type = 'text'; break; case SQLSRV_SQLTYPE_TIMESTAMP: $str_type = 'timestamp'; break; case SQLSRV_SQLTYPE_TINYINT: $str_type = 'tinyint'; break; case SQLSRV_SQLTYPE_UNIQUEIDENTIFIER: $str_type = 'uniqueidentifier'; break; case SQLSRV_SQLTYPE_UDT: $str_type = 'UDT'; break; case SQLSRV_SQLTYPE_VARBINARY/*($byteCount)*/: $str_type = 'varbinary'; break; case SQLSRV_SQLTYPE_VARCHAR/*($charCount)*/: $str_type = 'varchar'; break; case SQLSRV_SQLTYPE_XML: $str_type = 'xml'; break; default: $str_type = $int_type; } return $str_type; } public function free() { unset($this->m_rows); return; } } /** * @package dbal */ class dbal_mssqlnative extends dbal { var $m_insert_id = NULL; var $last_query_text = ''; var $query_options = array(); var $connect_error = ''; /** * Connect to server */ function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false) { // Test for driver support, to avoid suppressed fatal error if (!function_exists('sqlsrv_connect')) { $this->connect_error = 'Native MS SQL Server driver for PHP is missing or needs to be updated. Version 1.1 or later is required to install phpBB3. You can download the driver from: http://www.microsoft.com/sqlserver/2005/en/us/PHP-Driver.aspx'; return $this->sql_error(''); } //set up connection variables $this->persistency = $persistency; $this->user = $sqluser; $this->dbname = $database; $port_delimiter = (defined('PHP_OS') && substr(PHP_OS, 0, 3) === 'WIN') ? ',' : ':'; $this->server = $sqlserver . (($port) ? $port_delimiter . $port : ''); //connect to database $this->db_connect_id = sqlsrv_connect($this->server, array( 'Database' => $this->dbname, 'UID' => $this->user, 'PWD' => $sqlpassword )); return ($this->db_connect_id) ? $this->db_connect_id : $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('mssql_version')) === false) { $arr_server_info = sqlsrv_server_info($this->db_connect_id); $this->sql_server_version = $arr_server_info['SQLServerVersion']; if (!empty($cache) && $use_cache) { $cache->put('mssql_version', $this->sql_server_version); } } if ($raw) { return $this->sql_server_version; } return ($this->sql_server_version) ? 'MSSQL
' . $this->sql_server_version : 'MSSQL'; } /** * {@inheritDoc} */ function sql_buffer_nested_transactions() { return true; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return sqlsrv_begin_transaction($this->db_connect_id); break; case 'commit': return sqlsrv_commit($this->db_connect_id); break; case 'rollback': return sqlsrv_rollback($this->db_connect_id); 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 = @sqlsrv_query($this->db_connect_id, $query, array(), $this->query_options)) === false) { $this->sql_error($query); } // reset options for next query $this->query_options = array(); 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 $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { $this->query_result = false; // total == 0 means all results - not zero results if ($offset == 0 && $total !== 0) { if (strpos($query, "SELECT") === false) { $query = "TOP {$total} " . $query; } else { $query = preg_replace('/SELECT(\s*DISTINCT)?/Dsi', 'SELECT$1 TOP '.$total, $query); } } else if ($offset > 0) { $query = preg_replace('/SELECT(\s*DISTINCT)?/Dsi', 'SELECT$1 TOP(10000000) ', $query); $query = 'SELECT * FROM (SELECT sub2.*, ROW_NUMBER() OVER(ORDER BY sub2.line2) AS line3 FROM (SELECT 1 AS line2, sub1.* FROM (' . $query . ') AS sub1) as sub2) AS sub3'; if ($total > 0) { $query .= ' WHERE line3 BETWEEN ' . ($offset+1) . ' AND ' . ($offset + $total); } else { $query .= ' WHERE line3 > ' . $offset; } } $result = $this->sql_query($query, $cache_ttl); return $result; } /** * Return number of affected rows */ function sql_affectedrows() { return (!empty($this->query_result)) ? @sqlsrv_rows_affected($this->query_result) : false; } /** * Fetch current row */ function sql_fetchrow($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); } if ($query_id === false) { return false; } $row = @sqlsrv_fetch_array($query_id, SQLSRV_FETCH_ASSOC); if ($row) { foreach ($row as $key => $value) { $row[$key] = ($value === ' ' || $value === NULL) ? '' : $value; } // remove helper values from LIMIT queries if (isset($row['line2'])) { unset($row['line2'], $row['line3']); } } return (sizeof($row)) ? $row : false; } /** * Get last inserted id after insert statement */ function sql_nextid() { $result_id = @sqlsrv_query($this->db_connect_id, 'SELECT @@IDENTITY'); if ($result_id !== false) { $row = @sqlsrv_fetch_array($result_id); $id = $row[0]; @sqlsrv_free_stmt($result_id); return $id; } else { return false; } } /** * Free sql result */ function sql_freeresult($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($this->open_queries[$query_id])) { unset($this->open_queries[$query_id]); return @sqlsrv_free_stmt($query_id); } return false; } /** * Escape string used in sql query */ function sql_escape($msg) { return str_replace(array("'", "\0"), array("''", ''), $msg); } /** * {@inheritDoc} */ function sql_lower_text($column_name) { return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))"; } /** * Build LIKE expression * @access private */ function _sql_like_expression($expression) { return $expression . " ESCAPE '\\'"; } /** * return sql error array * @access private */ function _sql_error() { if (function_exists('sqlsrv_errors')) { $errors = @sqlsrv_errors(SQLSRV_ERR_ERRORS); $error_message = ''; $code = 0; if ($errors != null) { foreach ($errors as $error) { $error_message .= "SQLSTATE: " . $error[ 'SQLSTATE'] . "\n"; $error_message .= "code: " . $error[ 'code'] . "\n"; $code = $error['code']; $error_message .= "message: " . $error[ 'message'] . "\n"; } $this->last_error_result = $error_message; $error = $this->last_error_result; } else { $error = (isset($this->last_error_result) && $this->last_error_result) ? $this->last_error_result : array(); } $error = array( 'message' => $error, 'code' => $code, ); } else { $error = array( 'message' => $this->connect_error, 'code' => '', ); } return $error; } /** * Build db-specific query data * @access private */ function _sql_custom_build($stage, $data) { return $data; } /** * Close sql connection * @access private */ function _sql_close() { return @sqlsrv_close($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { switch ($mode) { case 'start': $html_table = false; @sqlsrv_query($this->db_connect_id, 'SET SHOWPLAN_TEXT ON;'); if ($result = @sqlsrv_query($this->db_connect_id, $query)) { @sqlsrv_next_result($result); while ($row = @sqlsrv_fetch_array($result)) { $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); } } @sqlsrv_query($this->db_connect_id, 'SET SHOWPLAN_TEXT OFF;'); @sqlsrv_free_stmt($result); if ($html_table) { $this->html_hold .= ''; } break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @sqlsrv_query($this->db_connect_id, $query); while ($void = @sqlsrv_fetch_array($result)) { // Take the time spent on parsing rows into account } @sqlsrv_free_stmt($result); $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } /** * Utility method used to retrieve number of rows * Emulates mysql_num_rows * Used in acp_database.php -> write_data_mssqlnative() * Requires a static or keyset cursor to be definde via * mssqlnative_set_query_options() */ function mssqlnative_num_rows($res) { if ($res !== false) { return sqlsrv_num_rows($res); } else { return false; } } /** * Allows setting mssqlnative specific query options passed to sqlsrv_query as 4th parameter. */ function mssqlnative_set_query_options($options) { $this->query_options = $options; } } ?> mysqli.php000066600000031115150472616240006607 0ustar00connect_error = 'mysqli_connect function does not exist, is mysqli extension installed?'; return $this->sql_error(''); } // Mysqli extension supports persistent connection since PHP 5.3.0 $this->persistency = (version_compare(PHP_VERSION, '5.3.0', '>=')) ? $persistency : false; $this->user = $sqluser; // If persistent connection, set dbhost to localhost when empty and prepend it with 'p:' prefix $this->server = ($this->persistency) ? 'p:' . (($sqlserver) ? $sqlserver : 'localhost') : $sqlserver; $this->dbname = $database; $port = (!$port) ? NULL : $port; // If port is set and it is not numeric, most likely mysqli socket is set. // Try to map it to the $socket parameter. $socket = NULL; if ($port) { if (is_numeric($port)) { $port = (int) $port; } else { $socket = $port; $port = NULL; } } $this->db_connect_id = @mysqli_connect($this->server, $this->user, $sqlpassword, $this->dbname, $port, $socket); if ($this->db_connect_id && $this->dbname != '') { @mysqli_query($this->db_connect_id, "SET NAMES 'utf8'"); // enforce strict mode on databases that support it if (version_compare($this->sql_server_info(true), '5.0.2', '>=')) { $result = @mysqli_query($this->db_connect_id, 'SELECT @@session.sql_mode AS sql_mode'); $row = @mysqli_fetch_assoc($result); @mysqli_free_result($result); $modes = array_map('trim', explode(',', $row['sql_mode'])); // TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES if (!in_array('TRADITIONAL', $modes)) { if (!in_array('STRICT_ALL_TABLES', $modes)) { $modes[] = 'STRICT_ALL_TABLES'; } if (!in_array('STRICT_TRANS_TABLES', $modes)) { $modes[] = 'STRICT_TRANS_TABLES'; } } $mode = implode(',', $modes); @mysqli_query($this->db_connect_id, "SET SESSION sql_mode='{$mode}'"); } return $this->db_connect_id; } return $this->sql_error(''); } /** * Version information about used database * @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('mysqli_version')) === false) { $result = @mysqli_query($this->db_connect_id, 'SELECT VERSION() AS version'); $row = @mysqli_fetch_assoc($result); @mysqli_free_result($result); $this->sql_server_version = $row['version']; if (!empty($cache) && $use_cache) { $cache->put('mysqli_version', $this->sql_server_version); } } return ($raw) ? $this->sql_server_version : 'MySQL(i) ' . $this->sql_server_version; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return @mysqli_autocommit($this->db_connect_id, false); break; case 'commit': $result = @mysqli_commit($this->db_connect_id); @mysqli_autocommit($this->db_connect_id, true); return $result; break; case 'rollback': $result = @mysqli_rollback($this->db_connect_id); @mysqli_autocommit($this->db_connect_id, true); return $result; 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); } $this->query_result = ($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 = @mysqli_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')) { $cache->sql_save($query, $this->query_result, $cache_ttl); } } else if (defined('DEBUG_EXTRA')) { $this->sql_report('fromcache', $query); } } else { return false; } return $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($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, $cache_ttl); } /** * Return number of affected rows */ function sql_affectedrows() { return ($this->db_connect_id) ? @mysqli_affected_rows($this->db_connect_id) : false; } /** * Fetch current row */ function sql_fetchrow($query_id = false) { global $cache; if ($query_id === false) { $query_id = $this->query_result; } if (!is_object($query_id) && isset($cache->sql_rowset[$query_id])) { return $cache->sql_fetchrow($query_id); } if ($query_id !== false) { $result = @mysqli_fetch_assoc($query_id); return $result !== null ? $result : false; } return false; } /** * Seek to given row number * rownum is zero-based */ function sql_rowseek($rownum, &$query_id) { global $cache; if ($query_id === false) { $query_id = $this->query_result; } if (!is_object($query_id) && isset($cache->sql_rowset[$query_id])) { return $cache->sql_rowseek($rownum, $query_id); } return ($query_id !== false) ? @mysqli_data_seek($query_id, $rownum) : false; } /** * Get last inserted id after insert statement */ function sql_nextid() { return ($this->db_connect_id) ? @mysqli_insert_id($this->db_connect_id) : false; } /** * Free sql result */ function sql_freeresult($query_id = false) { global $cache; if ($query_id === false) { $query_id = $this->query_result; } if (!is_object($query_id) && isset($cache->sql_rowset[$query_id])) { return $cache->sql_freeresult($query_id); } return @mysqli_free_result($query_id); } /** * Escape string used in sql query */ function sql_escape($msg) { return @mysqli_real_escape_string($this->db_connect_id, $msg); } /** * 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 $data; } /** * return sql error array * @access private */ function _sql_error() { if ($this->db_connect_id) { $error = array( 'message' => @mysqli_error($this->db_connect_id), 'code' => @mysqli_errno($this->db_connect_id) ); } else if (function_exists('mysqli_connect_error')) { $error = array( 'message' => @mysqli_connect_error(), 'code' => @mysqli_connect_errno(), ); } else { $error = array( 'message' => $this->connect_error, 'code' => '', ); } return $error; } /** * Close sql connection * @access private */ function _sql_close() { return @mysqli_close($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { static $test_prof; // current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING if ($test_prof === null) { $test_prof = false; if (strpos(mysqli_get_server_info($this->db_connect_id), 'community') !== false) { $ver = mysqli_get_server_version($this->db_connect_id); if ($ver >= 50037 && $ver < 50100) { $test_prof = true; } } } switch ($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)) { $html_table = false; // begin profiling if ($test_prof) { @mysqli_query($this->db_connect_id, 'SET profiling = 1;'); } if ($result = @mysqli_query($this->db_connect_id, "EXPLAIN $explain_query")) { while ($row = @mysqli_fetch_assoc($result)) { $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); } } @mysqli_free_result($result); if ($html_table) { $this->html_hold .= ''; } if ($test_prof) { $html_table = false; // get the last profile if ($result = @mysqli_query($this->db_connect_id, 'SHOW PROFILE ALL;')) { $this->html_hold .= '
'; while ($row = @mysqli_fetch_assoc($result)) { // make HTML safe if (!empty($row['Source_function'])) { $row['Source_function'] = str_replace(array('<', '>'), array('<', '>'), $row['Source_function']); } // remove unsupported features foreach ($row as $key => $val) { if ($val === null) { unset($row[$key]); } } $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); } } @mysqli_free_result($result); if ($html_table) { $this->html_hold .= ''; } @mysqli_query($this->db_connect_id, 'SET profiling = 0;'); } } break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @mysqli_query($this->db_connect_id, $query); while ($void = @mysqli_fetch_assoc($result)) { // Take the time spent on parsing rows into account } @mysqli_free_result($result); $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } } ?>dbal.php000066600000061504150472616240006200 0ustar00num_queries = array( 'cached' => 0, 'normal' => 0, 'total' => 0, ); // Fill default sql layer based on the class being called. // This can be changed by the specified layer itself later if needed. $this->sql_layer = substr(get_class($this), 5); // Do not change this please! This variable is used to easy the use of it - and is hardcoded. $this->any_char = chr(0) . '%'; $this->one_char = chr(0) . '_'; } /** * return on error or display error message */ function sql_return_on_error($fail = false) { $this->sql_error_triggered = false; $this->sql_error_sql = ''; $this->return_on_error = $fail; } /** * Return number of sql queries and cached sql queries used */ function sql_num_queries($cached = false) { return ($cached) ? $this->num_queries['cached'] : $this->num_queries['normal']; } /** * Add to query count */ function sql_add_num_queries($cached = false) { $this->num_queries['cached'] += ($cached !== false) ? 1 : 0; $this->num_queries['normal'] += ($cached !== false) ? 0 : 1; $this->num_queries['total'] += 1; } /** * DBAL garbage collection, close sql connection */ function sql_close() { if (!$this->db_connect_id) { return false; } if ($this->transaction) { do { $this->sql_transaction('commit'); } while ($this->transaction); } foreach ($this->open_queries as $query_id) { $this->sql_freeresult($query_id); } // Connection closed correctly. Set db_connect_id to false to prevent errors if ($result = $this->_sql_close()) { $this->db_connect_id = false; } return $result; } /** * Build LIMIT query * Doing some validation here. */ function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { if (empty($query)) { return false; } // Never use a negative total or offset $total = ($total < 0) ? 0 : $total; $offset = ($offset < 0) ? 0 : $offset; return $this->_sql_query_limit($query, $total, $offset, $cache_ttl); } /** * Fetch all rows */ function sql_fetchrowset($query_id = false) { if ($query_id === false) { $query_id = $this->query_result; } if ($query_id !== false) { $result = array(); while ($row = $this->sql_fetchrow($query_id)) { $result[] = $row; } return $result; } return false; } /** * Seek to given row number * rownum is zero-based */ function sql_rowseek($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, $query_id); } if ($query_id === false) { return false; } $this->sql_freeresult($query_id); $query_id = $this->sql_query($this->last_query_text); if ($query_id === false) { return false; } // We do not fetch the row for rownum == 0 because then the next resultset would be the second row for ($i = 0; $i < $rownum; $i++) { if (!$this->sql_fetchrow($query_id)) { return false; } } return true; } /** * Fetch field * if rownum is false, the current row is used, else it is pointing to the row (zero-based) */ function sql_fetchfield($field, $rownum = false, $query_id = false) { global $cache; if ($query_id === false) { $query_id = $this->query_result; } if ($query_id !== false) { if ($rownum !== false) { $this->sql_rowseek($rownum, $query_id); } if (!is_object($query_id) && isset($cache->sql_rowset[$query_id])) { return $cache->sql_fetchfield($query_id, $field); } $row = $this->sql_fetchrow($query_id); return (isset($row[$field])) ? $row[$field] : false; } return false; } /** * Correctly adjust LIKE expression for special characters * Some DBMS are handling them in a different way * * @param string $expression The expression to use. Every wildcard is escaped, except $this->any_char and $this->one_char * @return string LIKE expression including the keyword! */ function sql_like_expression($expression) { $expression = utf8_str_replace(array('_', '%'), array("\_", "\%"), $expression); $expression = utf8_str_replace(array(chr(0) . "\_", chr(0) . "\%"), array('_', '%'), $expression); return $this->_sql_like_expression('LIKE \'' . $this->sql_escape($expression) . '\''); } /** * Returns whether results of a query need to be buffered to run a transaction while iterating over them. * * @return bool Whether buffering is required. */ function sql_buffer_nested_transactions() { return false; } /** * SQL Transaction * @access private */ function sql_transaction($status = 'begin') { switch ($status) { case 'begin': // If we are within a transaction we will not open another one, but enclose the current one to not loose data (prevening auto commit) if ($this->transaction) { $this->transactions++; return true; } $result = $this->_sql_transaction('begin'); if (!$result) { $this->sql_error(); } $this->transaction = true; break; case 'commit': // If there was a previously opened transaction we do not commit yet... but count back the number of inner transactions if ($this->transaction && $this->transactions) { $this->transactions--; return true; } // Check if there is a transaction (no transaction can happen if there was an error, with a combined rollback and error returning enabled) // This implies we have transaction always set for autocommit db's if (!$this->transaction) { return false; } $result = $this->_sql_transaction('commit'); if (!$result) { $this->sql_error(); } $this->transaction = false; $this->transactions = 0; break; case 'rollback': $result = $this->_sql_transaction('rollback'); $this->transaction = false; $this->transactions = 0; break; default: $result = $this->_sql_transaction($status); break; } return $result; } /** * Build sql statement from array for insert/update/select statements * * Idea for this from Ikonboard * Possible query values: INSERT, INSERT_SELECT, UPDATE, SELECT * */ function sql_build_array($query, $assoc_ary = false) { if (!is_array($assoc_ary)) { return false; } $fields = $values = array(); if ($query == 'INSERT' || $query == 'INSERT_SELECT') { foreach ($assoc_ary as $key => $var) { $fields[] = $key; if (is_array($var) && is_string($var[0])) { // This is used for INSERT_SELECT(s) $values[] = $var[0]; } else { $values[] = $this->_sql_validate_value($var); } } $query = ($query == 'INSERT') ? ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')' : ' (' . implode(', ', $fields) . ') SELECT ' . implode(', ', $values) . ' '; } else if ($query == 'MULTI_INSERT') { trigger_error('The MULTI_INSERT query value is no longer supported. Please use sql_multi_insert() instead.', E_USER_ERROR); } else if ($query == 'UPDATE' || $query == 'SELECT') { $values = array(); foreach ($assoc_ary as $key => $var) { $values[] = "$key = " . $this->_sql_validate_value($var); } $query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values); } return $query; } /** * Build IN or NOT IN sql comparison string, uses <> or = on single element * arrays to improve comparison speed * * @access public * @param string $field name of the sql column that shall be compared * @param array $array array of values that are allowed (IN) or not allowed (NOT IN) * @param bool $negate true for NOT IN (), false for IN () (default) * @param bool $allow_empty_set If true, allow $array to be empty, this function will return 1=1 or 1=0 then. Default to false. */ function sql_in_set($field, $array, $negate = false, $allow_empty_set = false) { if (!sizeof($array)) { if (!$allow_empty_set) { // Print the backtrace to help identifying the location of the problematic code $this->sql_error('No values specified for SQL IN comparison'); } else { // NOT IN () actually means everything so use a tautology if ($negate) { return '1=1'; } // IN () actually means nothing so use a contradiction else { return '1=0'; } } } if (!is_array($array)) { $array = array($array); } if (sizeof($array) == 1) { @reset($array); $var = current($array); return $field . ($negate ? ' <> ' : ' = ') . $this->_sql_validate_value($var); } else { return $field . ($negate ? ' NOT IN ' : ' IN ') . '(' . implode(', ', array_map(array($this, '_sql_validate_value'), $array)) . ')'; } } /** * Run binary AND operator on DB column. * Results in sql statement: "{$column_name} & (1 << {$bit}) {$compare}" * * @param string $column_name The column name to use * @param int $bit The value to use for the AND operator, will be converted to (1 << $bit). Is used by options, using the number schema... 0, 1, 2...29 * @param string $compare Any custom SQL code after the check (for example "= 0") */ function sql_bit_and($column_name, $bit, $compare = '') { if (method_exists($this, '_sql_bit_and')) { return $this->_sql_bit_and($column_name, $bit, $compare); } return $column_name . ' & ' . (1 << $bit) . (($compare) ? ' ' . $compare : ''); } /** * Run binary OR operator on DB column. * Results in sql statement: "{$column_name} | (1 << {$bit}) {$compare}" * * @param string $column_name The column name to use * @param int $bit The value to use for the OR operator, will be converted to (1 << $bit). Is used by options, using the number schema... 0, 1, 2...29 * @param string $compare Any custom SQL code after the check (for example "= 0") */ function sql_bit_or($column_name, $bit, $compare = '') { if (method_exists($this, '_sql_bit_or')) { return $this->_sql_bit_or($column_name, $bit, $compare); } return $column_name . ' | ' . (1 << $bit) . (($compare) ? ' ' . $compare : ''); } /** * Run LOWER() on DB column of type text (i.e. neither varchar nor char). * * @param string $column_name The column name to use * * @return string A SQL statement like "LOWER($column_name)" */ function sql_lower_text($column_name) { return "LOWER($column_name)"; } /** * Run more than one insert statement. * * @param string $table table name to run the statements on * @param array &$sql_ary multi-dimensional array holding the statement data. * * @return bool false if no statements were executed. * @access public */ function sql_multi_insert($table, &$sql_ary) { if (!sizeof($sql_ary)) { return false; } if ($this->multi_insert) { $ary = array(); foreach ($sql_ary as $id => $_sql_ary) { // If by accident the sql array is only one-dimensional we build a normal insert statement if (!is_array($_sql_ary)) { return $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $sql_ary)); } $values = array(); foreach ($_sql_ary as $key => $var) { $values[] = $this->_sql_validate_value($var); } $ary[] = '(' . implode(', ', $values) . ')'; } return $this->sql_query('INSERT INTO ' . $table . ' ' . ' (' . implode(', ', array_keys($sql_ary[0])) . ') VALUES ' . implode(', ', $ary)); } else { foreach ($sql_ary as $ary) { if (!is_array($ary)) { return false; } $result = $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $ary)); if (!$result) { return false; } } } return true; } /** * Function for validating values * @access private */ function _sql_validate_value($var) { if (is_null($var)) { return 'NULL'; } else if (is_string($var)) { return "'" . $this->sql_escape($var) . "'"; } else { return (is_bool($var)) ? intval($var) : $var; } } /** * Build sql statement from array for select and select distinct statements * * Possible query values: SELECT, SELECT_DISTINCT */ function sql_build_query($query, $array) { $sql = ''; switch ($query) { case 'SELECT': case 'SELECT_DISTINCT'; $sql = str_replace('_', ' ', $query) . ' ' . $array['SELECT'] . ' FROM '; // Build table array. We also build an alias array for later checks. $table_array = $aliases = array(); $used_multi_alias = false; foreach ($array['FROM'] as $table_name => $alias) { if (is_array($alias)) { $used_multi_alias = true; foreach ($alias as $multi_alias) { $table_array[] = $table_name . ' ' . $multi_alias; $aliases[] = $multi_alias; } } else { $table_array[] = $table_name . ' ' . $alias; $aliases[] = $alias; } } // We run the following code to determine if we need to re-order the table array. ;) // The reason for this is that for multi-aliased tables (two equal tables) in the FROM statement the last table need to match the first comparison. // DBMS who rely on this: Oracle, PostgreSQL and MSSQL. For all other DBMS it makes absolutely no difference in which order the table is. if (!empty($array['LEFT_JOIN']) && sizeof($array['FROM']) > 1 && $used_multi_alias !== false) { // Take first LEFT JOIN $join = current($array['LEFT_JOIN']); // Determine the table used there (even if there are more than one used, we only want to have one preg_match('/(' . implode('|', $aliases) . ')\.[^\s]+/U', str_replace(array('(', ')', 'AND', 'OR', ' '), '', $join['ON']), $matches); // If there is a first join match, we need to make sure the table order is correct if (!empty($matches[1])) { $first_join_match = trim($matches[1]); $table_array = $last = array(); foreach ($array['FROM'] as $table_name => $alias) { if (is_array($alias)) { foreach ($alias as $multi_alias) { ($multi_alias === $first_join_match) ? $last[] = $table_name . ' ' . $multi_alias : $table_array[] = $table_name . ' ' . $multi_alias; } } else { ($alias === $first_join_match) ? $last[] = $table_name . ' ' . $alias : $table_array[] = $table_name . ' ' . $alias; } } $table_array = array_merge($table_array, $last); } } $sql .= $this->_sql_custom_build('FROM', implode(' CROSS JOIN ', $table_array)); if (!empty($array['LEFT_JOIN'])) { foreach ($array['LEFT_JOIN'] as $join) { $sql .= ' LEFT JOIN ' . key($join['FROM']) . ' ' . current($join['FROM']) . ' ON (' . $join['ON'] . ')'; } } if (!empty($array['WHERE'])) { $sql .= ' WHERE ' . $this->_sql_custom_build('WHERE', $array['WHERE']); } if (!empty($array['GROUP_BY'])) { $sql .= ' GROUP BY ' . $array['GROUP_BY']; } if (!empty($array['ORDER_BY'])) { $sql .= ' ORDER BY ' . $array['ORDER_BY']; } break; } return $sql; } /** * display sql error page */ function sql_error($sql = '') { global $auth, $user, $config; // Set var to retrieve errored status $this->sql_error_triggered = true; $this->sql_error_sql = $sql; $this->sql_error_returned = $this->_sql_error(); if (!$this->return_on_error) { $message = 'SQL ERROR [ ' . $this->sql_layer . ' ]

' . $this->sql_error_returned['message'] . ' [' . $this->sql_error_returned['code'] . ']'; // Show complete SQL error and path to administrators only // Additionally show complete error on installation or if extended debug mode is enabled // The DEBUG_EXTRA constant is for development only! if ((isset($auth) && $auth->acl_get('a_')) || defined('IN_INSTALL') || defined('DEBUG_EXTRA')) { $message .= ($sql) ? '

SQL

' . htmlspecialchars($sql) : ''; } else { // If error occurs in initiating the session we need to use a pre-defined language string // This could happen if the connection could not be established for example (then we are not able to grab the default language) if (!isset($user->lang['SQL_ERROR_OCCURRED'])) { $message .= '

An sql error occurred while fetching this page. Please contact an administrator if this problem persists.'; } else { if (!empty($config['board_contact'])) { $message .= '

' . sprintf($user->lang['SQL_ERROR_OCCURRED'], '', ''); } else { $message .= '

' . sprintf($user->lang['SQL_ERROR_OCCURRED'], '', ''); } } } if ($this->transaction) { $this->sql_transaction('rollback'); } if (strlen($message) > 1024) { // We need to define $msg_long_text here to circumvent text stripping. global $msg_long_text; $msg_long_text = $message; trigger_error(false, E_USER_ERROR); } trigger_error($message, E_USER_ERROR); } if ($this->transaction) { $this->sql_transaction('rollback'); } return $this->sql_error_returned; } /** * Explain queries */ function sql_report($mode, $query = '') { global $cache, $starttime, $phpbb_root_path, $user; if (empty($_REQUEST['explain'])) { return false; } if (!$query && $this->query_hold != '') { $query = $this->query_hold; } switch ($mode) { case 'display': if (!empty($cache)) { $cache->unload(); } $this->sql_close(); $mtime = explode(' ', microtime()); $totaltime = $mtime[0] + $mtime[1] - $starttime; echo ' SQL Report
Return to previous page

SQL Report


Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries['normal']} queries" . (($this->num_queries['cached']) ? " + {$this->num_queries['cached']} " . (($this->num_queries['cached'] == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '

Time spent on ' . $this->sql_layer . ' queries: ' . round($this->sql_time, 5) . 's | Time spent on PHP: ' . round($totaltime - $this->sql_time, 5) . 's



' . $this->sql_report . '
Powered by phpBB® Forum Software © phpBB Group
'; exit_handler(); break; case 'stop': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $this->sql_report .= '
Query #' . $this->num_queries['total'] . '
' . $this->html_hold . '

'; if ($this->query_result) { if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query)) { $this->sql_report .= 'Affected rows: ' . $this->sql_affectedrows($this->query_result) . ' | '; } $this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: ' . sprintf('%.5f', $endtime - $this->curtime) . 's'; } else { $error = $this->sql_error(); $this->sql_report .= 'FAILED - ' . $this->sql_layer . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']); } $this->sql_report .= '



'; $this->sql_time += $endtime - $this->curtime; break; case 'start': $this->query_hold = $query; $this->html_hold = ''; $this->_sql_report($mode, $query); $this->curtime = explode(' ', microtime()); $this->curtime = $this->curtime[0] + $this->curtime[1]; break; case 'add_select_row': $html_table = func_get_arg(2); $row = func_get_arg(3); if (!$html_table && sizeof($row)) { $html_table = true; $this->html_hold .= ''; foreach (array_keys($row) as $val) { $this->html_hold .= ''; } $this->html_hold .= ''; } $this->html_hold .= ''; $class = 'row1'; foreach (array_values($row) as $val) { $class = ($class == 'row1') ? 'row2' : 'row1'; $this->html_hold .= ''; } $this->html_hold .= ''; return $html_table; break; case 'fromcache': $this->_sql_report($mode, $query); break; case 'record_fromcache': $endtime = func_get_arg(2); $splittime = func_get_arg(3); $time_cache = $endtime - $this->curtime; $time_db = $splittime - $endtime; $color = ($time_db > $time_cache) ? 'green' : 'red'; $this->sql_report .= '
' . (($val) ? ucwords(str_replace('_', ' ', $val)) : ' ') . '
' . (($val) ? $val : ' ') . '
'; $this->sql_report .= '
Query results obtained from the cache
'; $this->sql_report .= '

'; $this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: ' . sprintf('%.5f', ($time_cache)) . 's | Elapsed [db]: ' . sprintf('%.5f', $time_db) . 's



'; // Pad the start time to not interfere with page timing $starttime += $time_db; break; default: $this->_sql_report($mode, $query); break; } return true; } /** * 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) { return $this->get_row_count($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) { $sql = 'SELECT COUNT(*) AS rows_total FROM ' . $this->sql_escape($table_name); $result = $this->sql_query($sql); $rows_total = $this->sql_fetchfield('rows_total'); $this->sql_freeresult($result); return $rows_total; } } /** * This variable holds the class name to use later */ $sql_db = (!empty($dbms)) ? 'dbal_' . basename($dbms) : 'dbal'; ?>sqlite.php000066600000020055150472616240006573 0ustar00persistency = $persistency; $this->user = $sqluser; $this->server = $sqlserver . (($port) ? ':' . $port : ''); $this->dbname = $database; $error = ''; if ($this->persistency) { if (!function_exists('sqlite_popen')) { $this->connect_error = 'sqlite_popen function does not exist, is sqlite extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @sqlite_popen($this->server, 0666, $error); } else { if (!function_exists('sqlite_open')) { $this->connect_error = 'sqlite_open function does not exist, is sqlite extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @sqlite_open($this->server, 0666, $error); } if ($this->db_connect_id) { @sqlite_query('PRAGMA short_column_names = 1', $this->db_connect_id); // @sqlite_query('PRAGMA encoding = "UTF-8"', $this->db_connect_id); } return ($this->db_connect_id) ? true : array('message' => $error); } /** * Version information about used database * @param bool $raw if true, only return the fetched sql_server_version * @param bool $use_cache if true, it is safe to retrieve the stored value from the cache * @return string sql server version */ function sql_server_info($raw = false, $use_cache = true) { global $cache; if (!$use_cache || empty($cache) || ($this->sql_server_version = $cache->get('sqlite_version')) === false) { $result = @sqlite_query('SELECT sqlite_version() AS version', $this->db_connect_id); $row = @sqlite_fetch_array($result, SQLITE_ASSOC); $this->sql_server_version = (!empty($row['version'])) ? $row['version'] : 0; if (!empty($cache) && $use_cache) { $cache->put('sqlite_version', $this->sql_server_version); } } return ($raw) ? $this->sql_server_version : 'SQLite ' . $this->sql_server_version; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return @sqlite_query('BEGIN', $this->db_connect_id); break; case 'commit': return @sqlite_query('COMMIT', $this->db_connect_id); break; case 'rollback': return @sqlite_query('ROLLBACK', $this->db_connect_id); 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); } $this->query_result = ($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 = @sqlite_query($query, $this->db_connect_id)) === 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 $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($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 = -1; } $query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total); return $this->sql_query($query, $cache_ttl); } /** * Return number of affected rows */ function sql_affectedrows() { return ($this->db_connect_id) ? @sqlite_changes($this->db_connect_id) : false; } /** * Fetch current row */ function sql_fetchrow($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 ($query_id !== false) ? @sqlite_fetch_array($query_id, SQLITE_ASSOC) : 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) ? @sqlite_seek($query_id, $rownum) : false; } /** * Get last inserted id after insert statement */ function sql_nextid() { return ($this->db_connect_id) ? @sqlite_last_insert_rowid($this->db_connect_id) : false; } /** * Free sql result */ function sql_freeresult($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); } return true; } /** * Escape string used in sql query */ function sql_escape($msg) { return @sqlite_escape_string($msg); } /** * Correctly adjust LIKE expression for special characters * For SQLite an underscore is a not-known character... this may change with SQLite3 */ function sql_like_expression($expression) { // Unlike LIKE, GLOB is case sensitive (unfortunatly). SQLite users need to live with it! // We only catch * and ? here, not the character map possible on file globbing. $expression = str_replace(array(chr(0) . '_', chr(0) . '%'), array(chr(0) . '?', chr(0) . '*'), $expression); $expression = str_replace(array('?', '*'), array("\?", "\*"), $expression); $expression = str_replace(array(chr(0) . "\?", chr(0) . "\*"), array('?', '*'), $expression); return 'GLOB \'' . $this->sql_escape($expression) . '\''; } /** * return sql error array * @access private */ function _sql_error() { if (function_exists('sqlite_error_string')) { $error = array( 'message' => @sqlite_error_string(@sqlite_last_error($this->db_connect_id)), 'code' => @sqlite_last_error($this->db_connect_id), ); } else { $error = array( 'message' => $this->connect_error, 'code' => '', ); } return $error; } /** * Build db-specific query data * @access private */ function _sql_custom_build($stage, $data) { return $data; } /** * Close sql connection * @access private */ function _sql_close() { return @sqlite_close($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { switch ($mode) { case 'start': break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @sqlite_query($query, $this->db_connect_id); while ($void = @sqlite_fetch_array($result, SQLITE_ASSOC)) { // Take the time spent on parsing rows into account } $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } } ?>mysql.php000066600000031513150472616240006440 0ustar00persistency = $persistency; $this->user = $sqluser; $this->server = $sqlserver . (($port) ? ':' . $port : ''); $this->dbname = $database; $this->sql_layer = 'mysql4'; if ($this->persistency) { if (!function_exists('mysql_pconnect')) { $this->connect_error = 'mysql_pconnect function does not exist, is mysql extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @mysql_pconnect($this->server, $this->user, $sqlpassword); } else { if (!function_exists('mysql_connect')) { $this->connect_error = 'mysql_connect function does not exist, is mysql extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @mysql_connect($this->server, $this->user, $sqlpassword, $new_link); } if ($this->db_connect_id && $this->dbname != '') { if (@mysql_select_db($this->dbname, $this->db_connect_id)) { // Determine what version we are using and if it natively supports UNICODE if (version_compare($this->sql_server_info(true), '4.1.0', '>=')) { @mysql_query("SET NAMES 'utf8'", $this->db_connect_id); // enforce strict mode on databases that support it if (version_compare($this->sql_server_info(true), '5.0.2', '>=')) { $result = @mysql_query('SELECT @@session.sql_mode AS sql_mode', $this->db_connect_id); $row = @mysql_fetch_assoc($result); @mysql_free_result($result); $modes = array_map('trim', explode(',', $row['sql_mode'])); // TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES if (!in_array('TRADITIONAL', $modes)) { if (!in_array('STRICT_ALL_TABLES', $modes)) { $modes[] = 'STRICT_ALL_TABLES'; } if (!in_array('STRICT_TRANS_TABLES', $modes)) { $modes[] = 'STRICT_TRANS_TABLES'; } } $mode = implode(',', $modes); @mysql_query("SET SESSION sql_mode='{$mode}'", $this->db_connect_id); } } else if (version_compare($this->sql_server_info(true), '4.0.0', '<')) { $this->sql_layer = 'mysql'; } return $this->db_connect_id; } } 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('mysql_version')) === false) { $result = @mysql_query('SELECT VERSION() AS version', $this->db_connect_id); $row = @mysql_fetch_assoc($result); @mysql_free_result($result); $this->sql_server_version = $row['version']; if (!empty($cache) && $use_cache) { $cache->put('mysql_version', $this->sql_server_version); } } return ($raw) ? $this->sql_server_version : 'MySQL ' . $this->sql_server_version; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return @mysql_query('BEGIN', $this->db_connect_id); break; case 'commit': return @mysql_query('COMMIT', $this->db_connect_id); break; case 'rollback': return @mysql_query('ROLLBACK', $this->db_connect_id); 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); } $this->query_result = ($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 = @mysql_query($query, $this->db_connect_id)) === 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 $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($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) { // Having a value of -1 was always a bug $total = '18446744073709551615'; } $query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total); return $this->sql_query($query, $cache_ttl); } /** * Return number of affected rows */ function sql_affectedrows() { return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false; } /** * Fetch current row */ function sql_fetchrow($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 ($query_id !== false) ? @mysql_fetch_assoc($query_id) : 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) ? @mysql_data_seek($query_id, $rownum) : false; } /** * Get last inserted id after insert statement */ function sql_nextid() { return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false; } /** * Free sql result */ function sql_freeresult($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) $query_id]); return @mysql_free_result($query_id); } return false; } /** * Escape string used in sql query */ function sql_escape($msg) { if (!$this->db_connect_id) { return @mysql_real_escape_string($msg); } return @mysql_real_escape_string($msg, $this->db_connect_id); } /** * 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 $data; } /** * return sql error array * @access private */ function _sql_error() { if ($this->db_connect_id) { $error = array( 'message' => @mysql_error($this->db_connect_id), 'code' => @mysql_errno($this->db_connect_id), ); } else if (function_exists('mysql_error')) { $error = array( 'message' => @mysql_error(), 'code' => @mysql_errno(), ); } else { $error = array( 'message' => $this->connect_error, 'code' => '', ); } return $error; } /** * Close sql connection * @access private */ function _sql_close() { return @mysql_close($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { static $test_prof; // current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING if ($test_prof === null) { $test_prof = false; if (version_compare($this->sql_server_info(true), '5.0.37', '>=') && version_compare($this->sql_server_info(true), '5.1', '<')) { $test_prof = true; } } switch ($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)) { $html_table = false; // begin profiling if ($test_prof) { @mysql_query('SET profiling = 1;', $this->db_connect_id); } if ($result = @mysql_query("EXPLAIN $explain_query", $this->db_connect_id)) { while ($row = @mysql_fetch_assoc($result)) { $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); } } @mysql_free_result($result); if ($html_table) { $this->html_hold .= ''; } if ($test_prof) { $html_table = false; // get the last profile if ($result = @mysql_query('SHOW PROFILE ALL;', $this->db_connect_id)) { $this->html_hold .= '
'; while ($row = @mysql_fetch_assoc($result)) { // make HTML safe if (!empty($row['Source_function'])) { $row['Source_function'] = str_replace(array('<', '>'), array('<', '>'), $row['Source_function']); } // remove unsupported features foreach ($row as $key => $val) { if ($val === null) { unset($row[$key]); } } $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); } } @mysql_free_result($result); if ($html_table) { $this->html_hold .= ''; } @mysql_query('SET profiling = 0;', $this->db_connect_id); } } break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @mysql_query($query, $this->db_connect_id); while ($void = @mysql_fetch_assoc($result)) { // Take the time spent on parsing rows into account } @mysql_free_result($result); $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } } ?>oracle.php000066600000046225150472616240006546 0ustar00persistency = $persistency; $this->user = $sqluser; $this->server = $sqlserver . (($port) ? ':' . $port : ''); $this->dbname = $database; $connect = $database; // support for "easy connect naming" if ($sqlserver !== '' && $sqlserver !== '/') { if (substr($sqlserver, -1, 1) == '/') { $sqlserver == substr($sqlserver, 0, -1); } $connect = $sqlserver . (($port) ? ':' . $port : '') . '/' . $database; } if ($new_link) { if (!function_exists('ocinlogon')) { $this->connect_error = 'ocinlogon function does not exist, is oci extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @ocinlogon($this->user, $sqlpassword, $connect, 'UTF8'); } else if ($this->persistency) { if (!function_exists('ociplogon')) { $this->connect_error = 'ociplogon function does not exist, is oci extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @ociplogon($this->user, $sqlpassword, $connect, 'UTF8'); } else { if (!function_exists('ocilogon')) { $this->connect_error = 'ocilogon function does not exist, is oci extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @ocilogon($this->user, $sqlpassword, $connect, 'UTF8'); } return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error(''); } /** * Version information about used database * @param bool $raw if true, only return the fetched sql_server_version * @param bool $use_cache forced to false for Oracle * @return string sql server version */ function sql_server_info($raw = false, $use_cache = true) { /** * force $use_cache false. I didn't research why the caching code below is commented out * but I assume its because the Oracle extension provides a direct method to access it * without a query. */ $use_cache = false; /* global $cache; if (empty($cache) || ($this->sql_server_version = $cache->get('oracle_version')) === false) { $result = @ociparse($this->db_connect_id, 'SELECT * FROM v$version WHERE banner LIKE \'Oracle%\''); @ociexecute($result, OCI_DEFAULT); @ocicommit($this->db_connect_id); $row = array(); @ocifetchinto($result, $row, OCI_ASSOC + OCI_RETURN_NULLS); @ocifreestatement($result); $this->sql_server_version = trim($row['BANNER']); $cache->put('oracle_version', $this->sql_server_version); } */ $this->sql_server_version = @ociserverversion($this->db_connect_id); return $this->sql_server_version; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return true; break; case 'commit': return @ocicommit($this->db_connect_id); break; case 'rollback': return @ocirollback($this->db_connect_id); break; } return true; } /** * Oracle specific code to handle the fact that it does not compare columns properly * @access private */ function _rewrite_col_compare($args) { if (sizeof($args) == 4) { if ($args[2] == '=') { return '(' . $args[0] . ' OR (' . $args[1] . ' is NULL AND ' . $args[3] . ' is NULL))'; } else if ($args[2] == '<>') { // really just a fancy way of saying foo <> bar or (foo is NULL XOR bar is NULL) but SQL has no XOR :P return '(' . $args[0] . ' OR ((' . $args[1] . ' is NULL AND ' . $args[3] . ' is NOT NULL) OR (' . $args[1] . ' is NOT NULL AND ' . $args[3] . ' is NULL)))'; } } else { return $this->_rewrite_where($args[0]); } } /** * Oracle specific code to handle it's lack of sanity * @access private */ function _rewrite_where($where_clause) { preg_match_all('/\s*(AND|OR)?\s*([\w_.()]++)\s*(?:(=|<[=>]?|>=?|LIKE)\s*((?>\'(?>[^\']++|\'\')*+\'|[\d-.()]+))|((NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]+,? ?)*+\)))/', $where_clause, $result, PREG_SET_ORDER); $out = ''; foreach ($result as $val) { if (!isset($val[5])) { if ($val[4] !== "''") { $out .= $val[0]; } else { $out .= ' ' . $val[1] . ' ' . $val[2]; if ($val[3] == '=') { $out .= ' is NULL'; } else if ($val[3] == '<>') { $out .= ' is NOT NULL'; } } } else { $in_clause = array(); $sub_exp = substr($val[5], strpos($val[5], '(') + 1, -1); $extra = false; preg_match_all('/\'(?>[^\']++|\'\')*+\'|[\d-.]++/', $sub_exp, $sub_vals, PREG_PATTERN_ORDER); $i = 0; foreach ($sub_vals[0] as $sub_val) { // two things: // 1) This determines if an empty string was in the IN clausing, making us turn it into a NULL comparison // 2) This fixes the 1000 list limit that Oracle has (ORA-01795) if ($sub_val !== "''") { $in_clause[(int) $i++/1000][] = $sub_val; } else { $extra = true; } } if (!$extra && $i < 1000) { $out .= $val[0]; } else { $out .= ' ' . $val[1] . '('; $in_array = array(); // constuct each IN() clause foreach ($in_clause as $in_values) { $in_array[] = $val[2] . ' ' . (isset($val[6]) ? $val[6] : '') . 'IN(' . implode(', ', $in_values) . ')'; } // Join the IN() clauses against a few ORs (IN is just a nicer OR anyway) $out .= implode(' OR ', $in_array); // handle the empty string case if ($extra) { $out .= ' OR ' . $val[2] . ' is ' . (isset($val[6]) ? $val[6] : '') . 'NULL'; } $out .= ')'; unset($in_array, $in_clause); } } } return $out; } /** * 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) { $in_transaction = false; if (!$this->transaction) { $this->sql_transaction('begin'); } else { $in_transaction = true; } $array = array(); // We overcome Oracle's 4000 char limit by binding vars if (strlen($query) > 4000) { if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/sU', $query, $regs)) { if (strlen($regs[3]) > 4000) { $cols = explode(', ', $regs[2]); preg_match_all('/\'(?:[^\']++|\'\')*+\'|[\d-.]+/', $regs[3], $vals, PREG_PATTERN_ORDER); /* The code inside this comment block breaks clob handling, but does allow the database restore script to work. If you want to allow no posts longer than 4KB and/or need the db restore script, uncomment this. if (sizeof($cols) !== sizeof($vals)) { // Try to replace some common data we know is from our restore script or from other sources $regs[3] = str_replace("'||chr(47)||'", '/', $regs[3]); $_vals = explode(', ', $regs[3]); $vals = array(); $is_in_val = false; $i = 0; $string = ''; foreach ($_vals as $value) { if (strpos($value, "'") === false && !$is_in_val) { $vals[$i++] = $value; continue; } if (substr($value, -1) === "'") { $vals[$i] = $string . (($is_in_val) ? ', ' : '') . $value; $string = ''; $is_in_val = false; if ($vals[$i][0] !== "'") { $vals[$i] = "''" . $vals[$i]; } $i++; continue; } else { $string .= (($is_in_val) ? ', ' : '') . $value; $is_in_val = true; } } if ($string) { // New value if cols != value $vals[(sizeof($cols) !== sizeof($vals)) ? $i : $i - 1] .= $string; } $vals = array(0 => $vals); } */ $inserts = $vals[0]; unset($vals); foreach ($inserts as $key => $value) { if (!empty($value) && $value[0] === "'" && strlen($value) > 4002) // check to see if this thing is greater than the max + 'x2 { $inserts[$key] = ':' . strtoupper($cols[$key]); $array[$inserts[$key]] = str_replace("''", "'", substr($value, 1, -1)); } } $query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')'; } } else if (preg_match_all('/^(UPDATE [\\w_]++\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+)\\s+(WHERE.*)$/s', $query, $data, PREG_SET_ORDER)) { if (strlen($data[0][2]) > 4000) { $update = $data[0][1]; $where = $data[0][3]; preg_match_all('/([\\w_]++)\\s*=\\s*(\'(?:[^\']++|\'\')*+\'|[\d-.]++)/', $data[0][2], $temp, PREG_SET_ORDER); unset($data); $cols = array(); foreach ($temp as $value) { if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 4002) // check to see if this thing is greater than the max + 'x2 { $cols[] = $value[1] . '=:' . strtoupper($value[1]); $array[$value[1]] = str_replace("''", "'", substr($value[2], 1, -1)); } else { $cols[] = $value[1] . '=' . $value[2]; } } $query = $update . implode(', ', $cols) . ' ' . $where; unset($cols); } } } switch (substr($query, 0, 6)) { case 'DELETE': if (preg_match('/^(DELETE FROM [\w_]++ WHERE)((?:\s*(?:AND|OR)?\s*[\w_]+\s*(?:(?:=|<>)\s*(?>\'(?>[^\']++|\'\')*+\'|[\d-.]+)|(?:NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]+,? ?)*+\)))*+)$/', $query, $regs)) { $query = $regs[1] . $this->_rewrite_where($regs[2]); unset($regs); } break; case 'UPDATE': if (preg_match('/^(UPDATE [\\w_]++\\s+SET [\\w_]+\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]++|:\w++)(?:, [\\w_]+\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]++|:\w++))*+\\s+WHERE)(.*)$/s', $query, $regs)) { $query = $regs[1] . $this->_rewrite_where($regs[2]); unset($regs); } break; case 'SELECT': $query = preg_replace_callback('/([\w_.]++)\s*(?:(=|<>)\s*(?>\'(?>[^\']++|\'\')*+\'|[\d-.]++|([\w_.]++))|(?:NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]++,? ?)*+\))/', array($this, '_rewrite_col_compare'), $query); break; } $this->query_result = @ociparse($this->db_connect_id, $query); foreach ($array as $key => $value) { @ocibindbyname($this->query_result, $key, $array[$key], -1); } $success = @ociexecute($this->query_result, OCI_DEFAULT); if (!$success) { $this->sql_error($query); $this->query_result = false; } else { if (!$in_transaction) { $this->sql_transaction('commit'); } } 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 $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { $this->query_result = false; $query = 'SELECT * FROM (SELECT /*+ FIRST_ROWS */ rownum AS xrownum, a.* FROM (' . $query . ') a WHERE rownum <= ' . ($offset + $total) . ') WHERE xrownum >= ' . $offset; return $this->sql_query($query, $cache_ttl); } /** * Return number of affected rows */ function sql_affectedrows() { return ($this->query_result) ? @ocirowcount($this->query_result) : false; } /** * Fetch current row */ function sql_fetchrow($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); } if ($query_id !== false) { $row = array(); $result = @ocifetchinto($query_id, $row, OCI_ASSOC + OCI_RETURN_NULLS); if (!$result || !$row) { return false; } $result_row = array(); foreach ($row as $key => $value) { // Oracle treats empty strings as null if (is_null($value)) { $value = ''; } // OCI->CLOB? if (is_object($value)) { $value = $value->load(); } $result_row[strtolower($key)] = $value; } return $result_row; } return false; } /** * Seek to given row number * rownum is zero-based */ function sql_rowseek($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, $query_id); } if ($query_id === false) { return false; } // Reset internal pointer @ociexecute($query_id, OCI_DEFAULT); // We do not fetch the row for rownum == 0 because then the next resultset would be the second row for ($i = 0; $i < $rownum; $i++) { if (!$this->sql_fetchrow($query_id)) { return false; } } return true; } /** * 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 ' . $tablename[1] . '_seq.currval FROM DUAL'; $stmt = @ociparse($this->db_connect_id, $query); @ociexecute($stmt, OCI_DEFAULT); $temp_result = @ocifetchinto($stmt, $temp_array, OCI_ASSOC + OCI_RETURN_NULLS); @ocifreestatement($stmt); if ($temp_result) { return $temp_array['CURRVAL']; } else { return false; } } } return false; } /** * Free sql result */ function sql_freeresult($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) $query_id]); return @ocifreestatement($query_id); } return false; } /** * Escape string used in sql query */ function sql_escape($msg) { return str_replace(array("'", "\0"), array("''", ''), $msg); } /** * Build LIKE expression * @access private */ function _sql_like_expression($expression) { return $expression . " ESCAPE '\\'"; } function _sql_custom_build($stage, $data) { return $data; } function _sql_bit_and($column_name, $bit, $compare = '') { return 'BITAND(' . $column_name . ', ' . (1 << $bit) . ')' . (($compare) ? ' ' . $compare : ''); } function _sql_bit_or($column_name, $bit, $compare = '') { return 'BITOR(' . $column_name . ', ' . (1 << $bit) . ')' . (($compare) ? ' ' . $compare : ''); } /** * return sql error array * @access private */ function _sql_error() { if (function_exists('ocierror')) { $error = @ocierror(); $error = (!$error) ? @ocierror($this->query_result) : $error; $error = (!$error) ? @ocierror($this->db_connect_id) : $error; if ($error) { $this->last_error_result = $error; } else { $error = (isset($this->last_error_result) && $this->last_error_result) ? $this->last_error_result : array(); } } else { $error = array( 'message' => $this->connect_error, 'code' => '', ); } return $error; } /** * Close sql connection * @access private */ function _sql_close() { return @ocilogoff($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { switch ($mode) { case 'start': $html_table = false; // Grab a plan table, any will do $sql = "SELECT table_name FROM USER_TABLES WHERE table_name LIKE '%PLAN_TABLE%'"; $stmt = ociparse($this->db_connect_id, $sql); ociexecute($stmt); $result = array(); if (ocifetchinto($stmt, $result, OCI_ASSOC + OCI_RETURN_NULLS)) { $table = $result['TABLE_NAME']; // This is the statement_id that will allow us to track the plan $statement_id = substr(md5($query), 0, 30); // Remove any stale plans $stmt2 = ociparse($this->db_connect_id, "DELETE FROM $table WHERE statement_id='$statement_id'"); ociexecute($stmt2); ocifreestatement($stmt2); // Explain the plan $sql = "EXPLAIN PLAN SET STATEMENT_ID = '$statement_id' FOR $query"; $stmt2 = ociparse($this->db_connect_id, $sql); ociexecute($stmt2); ocifreestatement($stmt2); // Get the data from the plan $sql = "SELECT operation, options, object_name, object_type, cardinality, cost FROM plan_table START WITH id = 0 AND statement_id = '$statement_id' CONNECT BY PRIOR id = parent_id AND statement_id = '$statement_id'"; $stmt2 = ociparse($this->db_connect_id, $sql); ociexecute($stmt2); $row = array(); while (ocifetchinto($stmt2, $row, OCI_ASSOC + OCI_RETURN_NULLS)) { $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); } ocifreestatement($stmt2); // Remove the plan we just made, we delete them on request anyway $stmt2 = ociparse($this->db_connect_id, "DELETE FROM $table WHERE statement_id='$statement_id'"); ociexecute($stmt2); ocifreestatement($stmt2); } ocifreestatement($stmt); if ($html_table) { $this->html_hold .= ''; } break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @ociparse($this->db_connect_id, $query); $success = @ociexecute($result, OCI_DEFAULT); $row = array(); while (@ocifetchinto($result, $row, OCI_ASSOC + OCI_RETURN_NULLS)) { // Take the time spent on parsing rows into account } @ocifreestatement($result); $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } } ?>firebird.php000066600000030415150472616240007061 0ustar00persistency = $persistency; $this->user = $sqluser; $this->server = $sqlserver . (($port) ? ':' . $port : ''); $this->dbname = str_replace('\\', '/', $database); // There are three possibilities to connect to an interbase db if (!$this->server) { $use_database = $this->dbname; } else if (strpos($this->server, '//') === 0) { $use_database = $this->server . $this->dbname; } else { $use_database = $this->server . ':' . $this->dbname; } if ($this->persistency) { if (!function_exists('ibase_pconnect')) { $this->connect_error = 'ibase_pconnect function does not exist, is interbase extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @ibase_pconnect($use_database, $this->user, $sqlpassword, false, false, 3); } else { if (!function_exists('ibase_connect')) { $this->connect_error = 'ibase_connect function does not exist, is interbase extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @ibase_connect($use_database, $this->user, $sqlpassword, false, false, 3); } // Do not call ibase_service_attach if connection failed, // otherwise error message from ibase_(p)connect call will be clobbered. if ($this->db_connect_id && function_exists('ibase_service_attach') && $this->server) { $this->service_handle = @ibase_service_attach($this->server, $this->user, $sqlpassword); } else { $this->service_handle = false; } return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error(''); } /** * Version information about used database * @param bool $raw if true, only return the fetched sql_server_version * @param bool $use_cache forced to false for Interbase * @return string sql server version */ function sql_server_info($raw = false, $use_cache = true) { /** * force $use_cache false. I didn't research why the caching code there is no caching code * but I assume its because the IB extension provides a direct method to access it * without a query. */ $use_cache = false; if ($this->service_handle !== false && function_exists('ibase_server_info')) { return @ibase_server_info($this->service_handle, IBASE_SVC_SERVER_VERSION); } return ($raw) ? '2.1' : 'Firebird/Interbase'; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return true; break; case 'commit': return @ibase_commit(); break; case 'rollback': return @ibase_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) { $array = array(); // We overcome Firebird's 32767 char limit by binding vars if (strlen($query) > 32767) { if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/s', $query, $regs)) { if (strlen($regs[3]) > 32767) { preg_match_all('/\'(?:[^\']++|\'\')*+\'|[\d-.]+/', $regs[3], $vals, PREG_PATTERN_ORDER); $inserts = $vals[0]; unset($vals); foreach ($inserts as $key => $value) { if (!empty($value) && $value[0] === "'" && strlen($value) > 32769) // check to see if this thing is greater than the max + 'x2 { $inserts[$key] = '?'; $array[] = str_replace("''", "'", substr($value, 1, -1)); } } $query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')'; } } else if (preg_match('/^(UPDATE ([\\w_]++)\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|\\d+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+)\\s+(WHERE.*)$/s', $query, $data)) { if (strlen($data[3]) > 32767) { $update = $data[1]; $where = $data[4]; preg_match_all('/(\\w++)\\s*=\\s*(\'(?:[^\']++|\'\')*+\'|[\d-.]++)/', $data[3], $temp, PREG_SET_ORDER); unset($data); $cols = array(); foreach ($temp as $value) { if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 32769) // check to see if this thing is greater than the max + 'x2 { $array[] = str_replace("''", "'", substr($value[2], 1, -1)); $cols[] = $value[1] . '=?'; } else { $cols[] = $value[1] . '=' . $value[2]; } } $query = $update . implode(', ', $cols) . ' ' . $where; unset($cols); } } } if (!function_exists('ibase_affected_rows') && (preg_match('/^UPDATE ([\w_]++)\s+SET [\w_]++\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+)(?:,\s*[\w_]++\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+\s+(WHERE.*)?$/s', $query, $regs) || preg_match('/^DELETE FROM ([\w_]++)\s*(WHERE\s*.*)?$/s', $query, $regs))) { $affected_sql = 'SELECT COUNT(*) as num_rows_affected FROM ' . $regs[1]; if (!empty($regs[2])) { $affected_sql .= ' ' . $regs[2]; } if (!($temp_q_id = @ibase_query($this->db_connect_id, $affected_sql))) { return false; } $temp_result = @ibase_fetch_assoc($temp_q_id); @ibase_free_result($temp_q_id); $this->affected_rows = ($temp_result) ? $temp_result['NUM_ROWS_AFFECTED'] : false; } if (sizeof($array)) { $p_query = @ibase_prepare($this->db_connect_id, $query); array_unshift($array, $p_query); $this->query_result = call_user_func_array('ibase_execute', $array); unset($array); if ($this->query_result === false) { $this->sql_error($query); } } else if (($this->query_result = @ibase_query($this->db_connect_id, $query)) === false) { $this->sql_error($query); } if (defined('DEBUG_EXTRA')) { $this->sql_report('stop', $query); } if (!$this->transaction) { if (function_exists('ibase_commit_ret')) { @ibase_commit_ret(); } else { // way cooler than ibase_commit_ret :D @ibase_query('COMMIT RETAIN;'); } } 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 $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { $this->query_result = false; $query = 'SELECT FIRST ' . $total . ((!empty($offset)) ? ' SKIP ' . $offset : '') . substr($query, 6); return $this->sql_query($query, $cache_ttl); } /** * Return number of affected rows */ function sql_affectedrows() { // PHP 5+ function if (function_exists('ibase_affected_rows')) { return ($this->db_connect_id) ? @ibase_affected_rows($this->db_connect_id) : false; } else { return $this->affected_rows; } } /** * Fetch current row */ function sql_fetchrow($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); } if ($query_id === false) { return false; } $row = array(); $cur_row = @ibase_fetch_object($query_id, IBASE_TEXT); if (!$cur_row) { return false; } foreach (get_object_vars($cur_row) as $key => $value) { $row[strtolower($key)] = (is_string($value)) ? trim(str_replace(array("\\0", "\\n"), array("\0", "\n"), $value)) : $value; } return (sizeof($row)) ? $row : false; } /** * Get last inserted id after insert statement */ function sql_nextid() { $query_id = $this->query_result; if ($query_id !== false && $this->last_query_text != '') { if ($this->query_result && preg_match('#^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)#i', $this->last_query_text, $tablename)) { $sql = 'SELECT GEN_ID(' . $tablename[1] . '_gen, 0) AS new_id FROM RDB$DATABASE'; if (!($temp_q_id = @ibase_query($this->db_connect_id, $sql))) { return false; } $temp_result = @ibase_fetch_assoc($temp_q_id); @ibase_free_result($temp_q_id); return ($temp_result) ? $temp_result['NEW_ID'] : false; } } return false; } /** * Free sql result */ function sql_freeresult($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) $query_id]); return @ibase_free_result($query_id); } return false; } /** * Escape string used in sql query */ function sql_escape($msg) { return str_replace(array("'", "\0"), array("''", ''), $msg); } /** * Build LIKE expression * @access private */ function _sql_like_expression($expression) { return $expression . " ESCAPE '\\'"; } /** * Build db-specific query data * @access private */ function _sql_custom_build($stage, $data) { return $data; } function _sql_bit_and($column_name, $bit, $compare = '') { return 'BIN_AND(' . $column_name . ', ' . (1 << $bit) . ')' . (($compare) ? ' ' . $compare : ''); } function _sql_bit_or($column_name, $bit, $compare = '') { return 'BIN_OR(' . $column_name . ', ' . (1 << $bit) . ')' . (($compare) ? ' ' . $compare : ''); } /** * return sql error array * @access private */ function _sql_error() { // Need special handling here because ibase_errmsg returns // connection errors, however if the interbase extension // is not installed then ibase_errmsg does not exist and // we cannot call it. if (function_exists('ibase_errmsg')) { $msg = @ibase_errmsg(); if (!$msg) { $msg = $this->connect_error; } } else { $msg = $this->connect_error; } return array( 'message' => $msg, 'code' => (@function_exists('ibase_errcode') ? @ibase_errcode() : '') ); } /** * Close sql connection * @access private */ function _sql_close() { if ($this->service_handle !== false) { @ibase_service_detach($this->service_handle); } return @ibase_close($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { switch ($mode) { case 'start': break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @ibase_query($this->db_connect_id, $query); while ($void = @ibase_fetch_object($result, IBASE_TEXT)) { // Take the time spent on parsing rows into account } @ibase_free_result($result); $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } } ?>db_tools.php000066600000204341150472616240007101 0ustar00 array( 'INT:' => 'int(%d)', 'BINT' => 'bigint(20)', 'UINT' => 'mediumint(8) UNSIGNED', 'UINT:' => 'int(%d) UNSIGNED', 'TINT:' => 'tinyint(%d)', 'USINT' => 'smallint(4) UNSIGNED', 'BOOL' => 'tinyint(1) UNSIGNED', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'text', 'XSTEXT_UNI'=> 'varchar(100)', 'STEXT' => 'text', 'STEXT_UNI' => 'varchar(255)', 'TEXT' => 'text', 'TEXT_UNI' => 'text', 'MTEXT' => 'mediumtext', 'MTEXT_UNI' => 'mediumtext', 'TIMESTAMP' => 'int(11) UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'varchar(255)', 'VCHAR_UNI:'=> 'varchar(%d)', 'VCHAR_CI' => 'varchar(255)', 'VARBINARY' => 'varbinary(255)', ), 'mysql_40' => array( 'INT:' => 'int(%d)', 'BINT' => 'bigint(20)', 'UINT' => 'mediumint(8) UNSIGNED', 'UINT:' => 'int(%d) UNSIGNED', 'TINT:' => 'tinyint(%d)', 'USINT' => 'smallint(4) UNSIGNED', 'BOOL' => 'tinyint(1) UNSIGNED', 'VCHAR' => 'varbinary(255)', 'VCHAR:' => 'varbinary(%d)', 'CHAR:' => 'binary(%d)', 'XSTEXT' => 'blob', 'XSTEXT_UNI'=> 'blob', 'STEXT' => 'blob', 'STEXT_UNI' => 'blob', 'TEXT' => 'blob', 'TEXT_UNI' => 'blob', 'MTEXT' => 'mediumblob', 'MTEXT_UNI' => 'mediumblob', 'TIMESTAMP' => 'int(11) UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'blob', 'VCHAR_UNI:'=> array('varbinary(%d)', 'limit' => array('mult', 3, 255, 'blob')), 'VCHAR_CI' => 'blob', 'VARBINARY' => 'varbinary(255)', ), 'firebird' => array( 'INT:' => 'INTEGER', 'BINT' => 'DOUBLE PRECISION', 'UINT' => 'INTEGER', 'UINT:' => 'INTEGER', 'TINT:' => 'INTEGER', 'USINT' => 'INTEGER', 'BOOL' => 'INTEGER', 'VCHAR' => 'VARCHAR(255) CHARACTER SET NONE', 'VCHAR:' => 'VARCHAR(%d) CHARACTER SET NONE', 'CHAR:' => 'CHAR(%d) CHARACTER SET NONE', 'XSTEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'STEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'TEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'MTEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'XSTEXT_UNI'=> 'VARCHAR(100) CHARACTER SET UTF8', 'STEXT_UNI' => 'VARCHAR(255) CHARACTER SET UTF8', 'TEXT_UNI' => 'BLOB SUB_TYPE TEXT CHARACTER SET UTF8', 'MTEXT_UNI' => 'BLOB SUB_TYPE TEXT CHARACTER SET UTF8', 'TIMESTAMP' => 'INTEGER', 'DECIMAL' => 'DOUBLE PRECISION', 'DECIMAL:' => 'DOUBLE PRECISION', 'PDECIMAL' => 'DOUBLE PRECISION', 'PDECIMAL:' => 'DOUBLE PRECISION', 'VCHAR_UNI' => 'VARCHAR(255) CHARACTER SET UTF8', 'VCHAR_UNI:'=> 'VARCHAR(%d) CHARACTER SET UTF8', 'VCHAR_CI' => 'VARCHAR(255) CHARACTER SET UTF8', 'VARBINARY' => 'CHAR(255) CHARACTER SET NONE', ), 'mssql' => array( 'INT:' => '[int]', 'BINT' => '[float]', 'UINT' => '[int]', 'UINT:' => '[int]', 'TINT:' => '[int]', 'USINT' => '[int]', 'BOOL' => '[int]', 'VCHAR' => '[varchar] (255)', 'VCHAR:' => '[varchar] (%d)', 'CHAR:' => '[char] (%d)', 'XSTEXT' => '[varchar] (1000)', 'STEXT' => '[varchar] (3000)', 'TEXT' => '[varchar] (8000)', 'MTEXT' => '[text]', 'XSTEXT_UNI'=> '[varchar] (100)', 'STEXT_UNI' => '[varchar] (255)', 'TEXT_UNI' => '[varchar] (4000)', 'MTEXT_UNI' => '[text]', 'TIMESTAMP' => '[int]', 'DECIMAL' => '[float]', 'DECIMAL:' => '[float]', 'PDECIMAL' => '[float]', 'PDECIMAL:' => '[float]', 'VCHAR_UNI' => '[varchar] (255)', 'VCHAR_UNI:'=> '[varchar] (%d)', 'VCHAR_CI' => '[varchar] (255)', 'VARBINARY' => '[varchar] (255)', ), 'mssqlnative' => array( 'INT:' => '[int]', 'BINT' => '[float]', 'UINT' => '[int]', 'UINT:' => '[int]', 'TINT:' => '[int]', 'USINT' => '[int]', 'BOOL' => '[int]', 'VCHAR' => '[varchar] (255)', 'VCHAR:' => '[varchar] (%d)', 'CHAR:' => '[char] (%d)', 'XSTEXT' => '[varchar] (1000)', 'STEXT' => '[varchar] (3000)', 'TEXT' => '[varchar] (8000)', 'MTEXT' => '[text]', 'XSTEXT_UNI'=> '[varchar] (100)', 'STEXT_UNI' => '[varchar] (255)', 'TEXT_UNI' => '[varchar] (4000)', 'MTEXT_UNI' => '[text]', 'TIMESTAMP' => '[int]', 'DECIMAL' => '[float]', 'DECIMAL:' => '[float]', 'PDECIMAL' => '[float]', 'PDECIMAL:' => '[float]', 'VCHAR_UNI' => '[varchar] (255)', 'VCHAR_UNI:'=> '[varchar] (%d)', 'VCHAR_CI' => '[varchar] (255)', 'VARBINARY' => '[varchar] (255)', ), 'oracle' => array( 'INT:' => 'number(%d)', 'BINT' => 'number(20)', 'UINT' => 'number(8)', 'UINT:' => 'number(%d)', 'TINT:' => 'number(%d)', 'USINT' => 'number(4)', 'BOOL' => 'number(1)', 'VCHAR' => 'varchar2(255)', 'VCHAR:' => 'varchar2(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'varchar2(1000)', 'STEXT' => 'varchar2(3000)', 'TEXT' => 'clob', 'MTEXT' => 'clob', 'XSTEXT_UNI'=> 'varchar2(300)', 'STEXT_UNI' => 'varchar2(765)', 'TEXT_UNI' => 'clob', 'MTEXT_UNI' => 'clob', 'TIMESTAMP' => 'number(11)', 'DECIMAL' => 'number(5, 2)', 'DECIMAL:' => 'number(%d, 2)', 'PDECIMAL' => 'number(6, 3)', 'PDECIMAL:' => 'number(%d, 3)', 'VCHAR_UNI' => 'varchar2(765)', 'VCHAR_UNI:'=> array('varchar2(%d)', 'limit' => array('mult', 3, 765, 'clob')), 'VCHAR_CI' => 'varchar2(255)', 'VARBINARY' => 'raw(255)', ), 'sqlite' => array( 'INT:' => 'int(%d)', 'BINT' => 'bigint(20)', 'UINT' => 'INTEGER UNSIGNED', //'mediumint(8) UNSIGNED', 'UINT:' => 'INTEGER UNSIGNED', // 'int(%d) UNSIGNED', 'TINT:' => 'tinyint(%d)', 'USINT' => 'INTEGER UNSIGNED', //'mediumint(4) UNSIGNED', 'BOOL' => 'INTEGER UNSIGNED', //'tinyint(1) UNSIGNED', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'text(65535)', 'STEXT' => 'text(65535)', 'TEXT' => 'text(65535)', 'MTEXT' => 'mediumtext(16777215)', 'XSTEXT_UNI'=> 'text(65535)', 'STEXT_UNI' => 'text(65535)', 'TEXT_UNI' => 'text(65535)', 'MTEXT_UNI' => 'mediumtext(16777215)', 'TIMESTAMP' => 'INTEGER UNSIGNED', //'int(11) UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'varchar(255)', 'VCHAR_UNI:'=> 'varchar(%d)', 'VCHAR_CI' => 'varchar(255)', 'VARBINARY' => 'blob', ), 'postgres' => array( 'INT:' => 'INT4', 'BINT' => 'INT8', 'UINT' => 'INT4', // unsigned 'UINT:' => 'INT4', // unsigned 'USINT' => 'INT2', // unsigned 'BOOL' => 'INT2', // unsigned 'TINT:' => 'INT2', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'varchar(1000)', 'STEXT' => 'varchar(3000)', 'TEXT' => 'varchar(8000)', 'MTEXT' => 'TEXT', 'XSTEXT_UNI'=> 'varchar(100)', 'STEXT_UNI' => 'varchar(255)', 'TEXT_UNI' => 'varchar(4000)', 'MTEXT_UNI' => 'TEXT', 'TIMESTAMP' => 'INT4', // unsigned 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'varchar(255)', 'VCHAR_UNI:'=> 'varchar(%d)', 'VCHAR_CI' => 'varchar_ci', 'VARBINARY' => 'bytea', ), ); /** * A list of types being unsigned for better reference in some db's * @var array */ var $unsigned_types = array('UINT', 'UINT:', 'USINT', 'BOOL', 'TIMESTAMP'); /** * A list of supported DBMS. We change this class to support more DBMS, the DBMS itself only need to follow some rules. * @var array */ var $supported_dbms = array('firebird', 'mssql', 'mssqlnative', 'mysql_40', 'mysql_41', 'oracle', 'postgres', 'sqlite'); /** * This is set to true if user only wants to return the 'to-be-executed' SQL statement(s) (as an array). * This mode has no effect on some methods (inserting of data for example). This is expressed within the methods command. */ var $return_statements = false; /** * Constructor. Set DB Object and set {@link $return_statements return_statements}. * * @param phpbb_dbal $db DBAL object * @param bool $return_statements True if only statements should be returned and no SQL being executed */ function phpbb_db_tools(&$db, $return_statements = false) { $this->db = $db; $this->return_statements = $return_statements; // Determine mapping database type switch ($this->db->sql_layer) { case 'mysql': $this->sql_layer = 'mysql_40'; break; case 'mysql4': if (version_compare($this->db->sql_server_info(true), '4.1.3', '>=')) { $this->sql_layer = 'mysql_41'; } else { $this->sql_layer = 'mysql_40'; } break; case 'mysqli': $this->sql_layer = 'mysql_41'; break; case 'mssql': case 'mssql_odbc': $this->sql_layer = 'mssql'; break; case 'mssqlnative': $this->sql_layer = 'mssqlnative'; break; default: $this->sql_layer = $this->db->sql_layer; break; } } /** * Gets a list of tables in the database. * * @return array Array of table names (all lower case) */ function sql_list_tables() { switch ($this->db->sql_layer) { case 'mysql': case 'mysql4': case 'mysqli': $sql = 'SHOW TABLES'; break; case 'sqlite': $sql = 'SELECT name FROM sqlite_master WHERE type = "table"'; break; case 'mssql': case 'mssql_odbc': case 'mssqlnative': $sql = "SELECT name FROM sysobjects WHERE type='U'"; break; case 'postgres': $sql = 'SELECT relname FROM pg_stat_user_tables'; break; case 'firebird': $sql = 'SELECT rdb$relation_name FROM rdb$relations WHERE rdb$view_source is null AND rdb$system_flag = 0'; break; case 'oracle': $sql = 'SELECT table_name FROM USER_TABLES'; break; } $result = $this->db->sql_query($sql); $tables = array(); while ($row = $this->db->sql_fetchrow($result)) { $name = current($row); $tables[$name] = $name; } $this->db->sql_freeresult($result); return $tables; } /** * Check if table exists * * * @param string $table_name The table name to check for * @return bool true if table exists, else false */ function sql_table_exists($table_name) { $this->db->sql_return_on_error(true); $result = $this->db->sql_query_limit('SELECT * FROM ' . $table_name, 1); $this->db->sql_return_on_error(false); if ($result) { $this->db->sql_freeresult($result); return true; } return false; } /** * Create SQL Table * * @param string $table_name The table name to create * @param array $table_data Array containing table data. * @return array Statements if $return_statements is true. */ function sql_create_table($table_name, $table_data) { // holds the DDL for a column $columns = $statements = array(); if ($this->sql_table_exists($table_name)) { return $this->_sql_run_sql($statements); } // Begin transaction $statements[] = 'begin'; // Determine if we have created a PRIMARY KEY in the earliest $primary_key_gen = false; // Determine if the table must be created with TEXTIMAGE $create_textimage = false; // Determine if the table requires a sequence $create_sequence = false; // Begin table sql statement switch ($this->sql_layer) { case 'mssql': case 'mssqlnative': $table_sql = 'CREATE TABLE [' . $table_name . '] (' . "\n"; break; default: $table_sql = 'CREATE TABLE ' . $table_name . ' (' . "\n"; break; } // Iterate through the columns to create a table foreach ($table_data['COLUMNS'] as $column_name => $column_data) { // here lies an array, filled with information compiled on the column's data $prepared_column = $this->sql_prepare_column_data($table_name, $column_name, $column_data); if (isset($prepared_column['auto_increment']) && strlen($column_name) > 26) // "${column_name}_gen" { trigger_error("Index name '${column_name}_gen' on table '$table_name' is too long. The maximum auto increment column length is 26 characters.", E_USER_ERROR); } // here we add the definition of the new column to the list of columns switch ($this->sql_layer) { case 'mssql': case 'mssqlnative': $columns[] = "\t [{$column_name}] " . $prepared_column['column_type_sql_default']; break; default: $columns[] = "\t {$column_name} " . $prepared_column['column_type_sql']; break; } // see if we have found a primary key set due to a column definition if we have found it, we can stop looking if (!$primary_key_gen) { $primary_key_gen = isset($prepared_column['primary_key_set']) && $prepared_column['primary_key_set']; } // create textimage DDL based off of the existance of certain column types if (!$create_textimage) { $create_textimage = isset($prepared_column['textimage']) && $prepared_column['textimage']; } // create sequence DDL based off of the existance of auto incrementing columns if (!$create_sequence && isset($prepared_column['auto_increment']) && $prepared_column['auto_increment']) { $create_sequence = $column_name; } } // this makes up all the columns in the create table statement $table_sql .= implode(",\n", $columns); // Close the table for two DBMS and add to the statements switch ($this->sql_layer) { case 'firebird': $table_sql .= "\n);"; $statements[] = $table_sql; break; case 'mssql': case 'mssqlnative': $table_sql .= "\n) ON [PRIMARY]" . (($create_textimage) ? ' TEXTIMAGE_ON [PRIMARY]' : ''); $statements[] = $table_sql; break; } // we have yet to create a primary key for this table, // this means that we can add the one we really wanted instead if (!$primary_key_gen) { // Write primary key if (isset($table_data['PRIMARY_KEY'])) { if (!is_array($table_data['PRIMARY_KEY'])) { $table_data['PRIMARY_KEY'] = array($table_data['PRIMARY_KEY']); } switch ($this->sql_layer) { case 'mysql_40': case 'mysql_41': case 'postgres': case 'sqlite': $table_sql .= ",\n\t PRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . ')'; break; case 'firebird': case 'mssql': case 'mssqlnative': // We need the data here $old_return_statements = $this->return_statements; $this->return_statements = true; $primary_key_stmts = $this->sql_create_primary_key($table_name, $table_data['PRIMARY_KEY']); foreach ($primary_key_stmts as $pk_stmt) { $statements[] = $pk_stmt; } $this->return_statements = $old_return_statements; break; case 'oracle': $table_sql .= ",\n\t CONSTRAINT pk_{$table_name} PRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . ')'; break; } } } // close the table switch ($this->sql_layer) { case 'mysql_41': // make sure the table is in UTF-8 mode $table_sql .= "\n) CHARACTER SET `utf8` COLLATE `utf8_bin`;"; $statements[] = $table_sql; break; case 'mysql_40': case 'sqlite': $table_sql .= "\n);"; $statements[] = $table_sql; break; case 'postgres': // do we need to add a sequence for auto incrementing columns? if ($create_sequence) { $statements[] = "CREATE SEQUENCE {$table_name}_seq;"; } $table_sql .= "\n);"; $statements[] = $table_sql; break; case 'oracle': $table_sql .= "\n)"; $statements[] = $table_sql; // do we need to add a sequence and a tigger for auto incrementing columns? if ($create_sequence) { // create the actual sequence $statements[] = "CREATE SEQUENCE {$table_name}_seq"; // the trigger is the mechanism by which we increment the counter $trigger = "CREATE OR REPLACE TRIGGER t_{$table_name}\n"; $trigger .= "BEFORE INSERT ON {$table_name}\n"; $trigger .= "FOR EACH ROW WHEN (\n"; $trigger .= "\tnew.{$create_sequence} IS NULL OR new.{$create_sequence} = 0\n"; $trigger .= ")\n"; $trigger .= "BEGIN\n"; $trigger .= "\tSELECT {$table_name}_seq.nextval\n"; $trigger .= "\tINTO :new.{$create_sequence}\n"; $trigger .= "\tFROM dual;\n"; $trigger .= "END;"; $statements[] = $trigger; } break; case 'firebird': if ($create_sequence) { $statements[] = "CREATE GENERATOR {$table_name}_gen;"; $statements[] = "SET GENERATOR {$table_name}_gen TO 0;"; $trigger = "CREATE TRIGGER t_$table_name FOR $table_name\n"; $trigger .= "BEFORE INSERT\nAS\nBEGIN\n"; $trigger .= "\tNEW.{$create_sequence} = GEN_ID({$table_name}_gen, 1);\nEND;"; $statements[] = $trigger; } break; } // Write Keys if (isset($table_data['KEYS'])) { foreach ($table_data['KEYS'] as $key_name => $key_data) { if (!is_array($key_data[1])) { $key_data[1] = array($key_data[1]); } $old_return_statements = $this->return_statements; $this->return_statements = true; $key_stmts = ($key_data[0] == 'UNIQUE') ? $this->sql_create_unique_index($table_name, $key_name, $key_data[1]) : $this->sql_create_index($table_name, $key_name, $key_data[1]); foreach ($key_stmts as $key_stmt) { $statements[] = $key_stmt; } $this->return_statements = $old_return_statements; } } // Commit Transaction $statements[] = 'commit'; return $this->_sql_run_sql($statements); } /** * Handle passed database update array. * Expected structure... * Key being one of the following * change_columns: Column changes (only type, not name) * add_columns: Add columns to a table * drop_keys: Dropping keys * drop_columns: Removing/Dropping columns * add_primary_keys: adding primary keys * add_unique_index: adding an unique index * add_index: adding an index (can be column:index_size if you need to provide size) * * The values are in this format: * {TABLE NAME} => array( * {COLUMN NAME} => array({COLUMN TYPE}, {DEFAULT VALUE}, {OPTIONAL VARIABLES}), * {KEY/INDEX NAME} => array({COLUMN NAMES}), * ) * * For more information have a look at /develop/create_schema_files.php (only available through SVN) */ function perform_schema_changes($schema_changes) { if (empty($schema_changes)) { return; } $statements = array(); $sqlite = false; // For SQLite we need to perform the schema changes in a much more different way if ($this->db->sql_layer == 'sqlite' && $this->return_statements) { $sqlite_data = array(); $sqlite = true; } // Drop tables? if (!empty($schema_changes['drop_tables'])) { foreach ($schema_changes['drop_tables'] as $table) { // only drop table if it exists if ($this->sql_table_exists($table)) { $result = $this->sql_table_drop($table); if ($this->return_statements) { $statements = array_merge($statements, $result); } } } } // Add tables? if (!empty($schema_changes['add_tables'])) { foreach ($schema_changes['add_tables'] as $table => $table_data) { $result = $this->sql_create_table($table, $table_data); if ($this->return_statements) { $statements = array_merge($statements, $result); } } } // Change columns? if (!empty($schema_changes['change_columns'])) { foreach ($schema_changes['change_columns'] as $table => $columns) { foreach ($columns as $column_name => $column_data) { // If the column exists we change it, else we add it ;) if ($column_exists = $this->sql_column_exists($table, $column_name)) { $result = $this->sql_column_change($table, $column_name, $column_data, true); } else { $result = $this->sql_column_add($table, $column_name, $column_data, true); } if ($sqlite) { if ($column_exists) { $sqlite_data[$table]['change_columns'][] = $result; } else { $sqlite_data[$table]['add_columns'][] = $result; } } else if ($this->return_statements) { $statements = array_merge($statements, $result); } } } } // Add columns? if (!empty($schema_changes['add_columns'])) { foreach ($schema_changes['add_columns'] as $table => $columns) { foreach ($columns as $column_name => $column_data) { // Only add the column if it does not exist yet if ($column_exists = $this->sql_column_exists($table, $column_name)) { continue; // This is commented out here because it can take tremendous time on updates // $result = $this->sql_column_change($table, $column_name, $column_data, true); } else { $result = $this->sql_column_add($table, $column_name, $column_data, true); } if ($sqlite) { if ($column_exists) { continue; // $sqlite_data[$table]['change_columns'][] = $result; } else { $sqlite_data[$table]['add_columns'][] = $result; } } else if ($this->return_statements) { $statements = array_merge($statements, $result); } } } } // Remove keys? if (!empty($schema_changes['drop_keys'])) { foreach ($schema_changes['drop_keys'] as $table => $indexes) { foreach ($indexes as $index_name) { if (!$this->sql_index_exists($table, $index_name)) { continue; } $result = $this->sql_index_drop($table, $index_name); if ($this->return_statements) { $statements = array_merge($statements, $result); } } } } // Drop columns? if (!empty($schema_changes['drop_columns'])) { foreach ($schema_changes['drop_columns'] as $table => $columns) { foreach ($columns as $column) { // Only remove the column if it exists... if ($this->sql_column_exists($table, $column)) { $result = $this->sql_column_remove($table, $column, true); if ($sqlite) { $sqlite_data[$table]['drop_columns'][] = $result; } else if ($this->return_statements) { $statements = array_merge($statements, $result); } } } } } // Add primary keys? if (!empty($schema_changes['add_primary_keys'])) { foreach ($schema_changes['add_primary_keys'] as $table => $columns) { $result = $this->sql_create_primary_key($table, $columns, true); if ($sqlite) { $sqlite_data[$table]['primary_key'] = $result; } else if ($this->return_statements) { $statements = array_merge($statements, $result); } } } // Add unqiue indexes? if (!empty($schema_changes['add_unique_index'])) { foreach ($schema_changes['add_unique_index'] as $table => $index_array) { foreach ($index_array as $index_name => $column) { if ($this->sql_unique_index_exists($table, $index_name)) { continue; } $result = $this->sql_create_unique_index($table, $index_name, $column); if ($this->return_statements) { $statements = array_merge($statements, $result); } } } } // Add indexes? if (!empty($schema_changes['add_index'])) { foreach ($schema_changes['add_index'] as $table => $index_array) { foreach ($index_array as $index_name => $column) { if ($this->sql_index_exists($table, $index_name)) { continue; } $result = $this->sql_create_index($table, $index_name, $column); if ($this->return_statements) { $statements = array_merge($statements, $result); } } } } if ($sqlite) { foreach ($sqlite_data as $table_name => $sql_schema_changes) { // Create temporary table with original data $statements[] = 'begin'; $sql = "SELECT sql FROM sqlite_master WHERE type = 'table' AND name = '{$table_name}' ORDER BY type DESC, name;"; $result = $this->db->sql_query($sql); if (!$result) { continue; } $row = $this->db->sql_fetchrow($result); $this->db->sql_freeresult($result); // Create a backup table and populate it, destroy the existing one $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']); $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name; $statements[] = 'DROP TABLE ' . $table_name; // Get the columns... preg_match('#\((.*)\)#s', $row['sql'], $matches); $plain_table_cols = trim($matches[1]); $new_table_cols = preg_split('/,(?![\s\w]+\))/m', $plain_table_cols); $column_list = array(); foreach ($new_table_cols as $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if ($entities[0] == 'PRIMARY') { continue; } $column_list[] = $entities[0]; } // note down the primary key notation because sqlite only supports adding it to the end for the new table $primary_key = false; $_new_cols = array(); foreach ($new_table_cols as $key => $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if ($entities[0] == 'PRIMARY') { $primary_key = $declaration; continue; } $_new_cols[] = $declaration; } $new_table_cols = $_new_cols; // First of all... change columns if (!empty($sql_schema_changes['change_columns'])) { foreach ($sql_schema_changes['change_columns'] as $column_sql) { foreach ($new_table_cols as $key => $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if (strpos($column_sql, $entities[0] . ' ') === 0) { $new_table_cols[$key] = $column_sql; } } } } if (!empty($sql_schema_changes['add_columns'])) { foreach ($sql_schema_changes['add_columns'] as $column_sql) { $new_table_cols[] = $column_sql; } } // Now drop them... if (!empty($sql_schema_changes['drop_columns'])) { foreach ($sql_schema_changes['drop_columns'] as $column_name) { // Remove from column list... $new_column_list = array(); foreach ($column_list as $key => $value) { if ($value === $column_name) { continue; } $new_column_list[] = $value; } $column_list = $new_column_list; // Remove from table... $_new_cols = array(); foreach ($new_table_cols as $key => $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if (strpos($column_name . ' ', $entities[0] . ' ') === 0) { continue; } $_new_cols[] = $declaration; } $new_table_cols = $_new_cols; } } // Primary key... if (!empty($sql_schema_changes['primary_key'])) { $new_table_cols[] = 'PRIMARY KEY (' . implode(', ', $sql_schema_changes['primary_key']) . ')'; } // Add a new one or the old primary key else if ($primary_key !== false) { $new_table_cols[] = $primary_key; } $columns = implode(',', $column_list); // create a new table and fill it up. destroy the temp one $statements[] = 'CREATE TABLE ' . $table_name . ' (' . implode(',', $new_table_cols) . ');'; $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;'; $statements[] = 'DROP TABLE ' . $table_name . '_temp'; $statements[] = 'commit'; } } if ($this->return_statements) { return $statements; } } /** * Gets a list of columns of a table. * * @param string $table Table name * * @return array Array of column names (all lower case) */ function sql_list_columns($table) { $columns = array(); switch ($this->sql_layer) { case 'mysql_40': case 'mysql_41': $sql = "SHOW COLUMNS FROM $table"; break; // PostgreSQL has a way of doing this in a much simpler way but would // not allow us to support all versions of PostgreSQL case 'postgres': $sql = "SELECT a.attname FROM pg_class c, pg_attribute a WHERE c.relname = '{$table}' AND a.attnum > 0 AND a.attrelid = c.oid"; break; // same deal with PostgreSQL, we must perform more complex operations than // we technically could case 'mssql': case 'mssqlnative': $sql = "SELECT c.name FROM syscolumns c LEFT JOIN sysobjects o ON c.id = o.id WHERE o.name = '{$table}'"; break; case 'oracle': $sql = "SELECT column_name FROM user_tab_columns WHERE LOWER(table_name) = '" . strtolower($table) . "'"; break; case 'firebird': $sql = "SELECT RDB\$FIELD_NAME as FNAME FROM RDB\$RELATION_FIELDS WHERE RDB\$RELATION_NAME = '" . strtoupper($table) . "'"; break; case 'sqlite': $sql = "SELECT sql FROM sqlite_master WHERE type = 'table' AND name = '{$table}'"; $result = $this->db->sql_query($sql); if (!$result) { return false; } $row = $this->db->sql_fetchrow($result); $this->db->sql_freeresult($result); preg_match('#\((.*)\)#s', $row['sql'], $matches); $cols = trim($matches[1]); $col_array = preg_split('/,(?![\s\w]+\))/m', $cols); foreach ($col_array as $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if ($entities[0] == 'PRIMARY') { continue; } $column = strtolower($entities[0]); $columns[$column] = $column; } return $columns; break; } $result = $this->db->sql_query($sql); while ($row = $this->db->sql_fetchrow($result)) { $column = strtolower(current($row)); $columns[$column] = $column; } $this->db->sql_freeresult($result); return $columns; } /** * Check whether a specified column exist in a table * * @param string $table Table to check * @param string $column_name Column to check * * @return bool True if column exists, false otherwise */ function sql_column_exists($table, $column_name) { $columns = $this->sql_list_columns($table); return isset($columns[$column_name]); } /** * Check if a specified index exists in table. Does not return PRIMARY KEY and UNIQUE indexes. * * @param string $table_name Table to check the index at * @param string $index_name The index name to check * * @return bool True if index exists, else false */ function sql_index_exists($table_name, $index_name) { if ($this->sql_layer == 'mssql' || $this->sql_layer == 'mssqlnative') { $sql = "EXEC sp_statistics '$table_name'"; $result = $this->db->sql_query($sql); while ($row = $this->db->sql_fetchrow($result)) { if ($row['TYPE'] == 3) { if (strtolower($row['INDEX_NAME']) == strtolower($index_name)) { $this->db->sql_freeresult($result); return true; } } } $this->db->sql_freeresult($result); return false; } switch ($this->sql_layer) { case 'firebird': $sql = "SELECT LOWER(RDB\$INDEX_NAME) as index_name FROM RDB\$INDICES WHERE RDB\$RELATION_NAME = '" . strtoupper($table_name) . "' AND RDB\$UNIQUE_FLAG IS NULL AND RDB\$FOREIGN_KEY IS NULL"; $col = 'index_name'; break; case 'postgres': $sql = "SELECT ic.relname as index_name FROM pg_class bc, pg_class ic, pg_index i WHERE (bc.oid = i.indrelid) AND (ic.oid = i.indexrelid) AND (bc.relname = '" . $table_name . "') AND (i.indisunique != 't') AND (i.indisprimary != 't')"; $col = 'index_name'; break; case 'mysql_40': case 'mysql_41': $sql = 'SHOW KEYS FROM ' . $table_name; $col = 'Key_name'; break; case 'oracle': $sql = "SELECT index_name FROM user_indexes WHERE table_name = '" . strtoupper($table_name) . "' AND generated = 'N' AND uniqueness = 'NONUNIQUE'"; $col = 'index_name'; break; case 'sqlite': $sql = "PRAGMA index_list('" . $table_name . "');"; $col = 'name'; break; } $result = $this->db->sql_query($sql); while ($row = $this->db->sql_fetchrow($result)) { if (($this->sql_layer == 'mysql_40' || $this->sql_layer == 'mysql_41') && !$row['Non_unique']) { continue; } // These DBMS prefix index name with the table name switch ($this->sql_layer) { case 'firebird': case 'oracle': case 'postgres': case 'sqlite': $row[$col] = substr($row[$col], strlen($table_name) + 1); break; } if (strtolower($row[$col]) == strtolower($index_name)) { $this->db->sql_freeresult($result); return true; } } $this->db->sql_freeresult($result); return false; } /** * Check if a specified index exists in table. Does not return PRIMARY KEY and UNIQUE indexes. * * @param string $table_name Table to check the index at * @param string $index_name The index name to check * * @return bool True if index exists, else false */ function sql_unique_index_exists($table_name, $index_name) { if ($this->sql_layer == 'mssql' || $this->sql_layer == 'mssqlnative') { $sql = "EXEC sp_statistics '$table_name'"; $result = $this->db->sql_query($sql); while ($row = $this->db->sql_fetchrow($result)) { // Usually NON_UNIQUE is the column we want to check, but we allow for both if ($row['TYPE'] == 3) { if (strtolower($row['INDEX_NAME']) == strtolower($index_name)) { $this->db->sql_freeresult($result); return true; } } } $this->db->sql_freeresult($result); return false; } switch ($this->sql_layer) { case 'firebird': $sql = "SELECT LOWER(RDB\$INDEX_NAME) as index_name FROM RDB\$INDICES WHERE RDB\$RELATION_NAME = '" . strtoupper($table_name) . "' AND RDB\$UNIQUE_FLAG IS NOT NULL AND RDB\$FOREIGN_KEY IS NULL"; $col = 'index_name'; break; case 'postgres': $sql = "SELECT ic.relname as index_name, i.indisunique FROM pg_class bc, pg_class ic, pg_index i WHERE (bc.oid = i.indrelid) AND (ic.oid = i.indexrelid) AND (bc.relname = '" . $table_name . "') AND (i.indisprimary != 't')"; $col = 'index_name'; break; case 'mysql_40': case 'mysql_41': $sql = 'SHOW KEYS FROM ' . $table_name; $col = 'Key_name'; break; case 'oracle': $sql = "SELECT index_name, table_owner FROM user_indexes WHERE table_name = '" . strtoupper($table_name) . "' AND generated = 'N' AND uniqueness = 'UNIQUE'"; $col = 'index_name'; break; case 'sqlite': $sql = "PRAGMA index_list('" . $table_name . "');"; $col = 'name'; break; } $result = $this->db->sql_query($sql); while ($row = $this->db->sql_fetchrow($result)) { if (($this->sql_layer == 'mysql_40' || $this->sql_layer == 'mysql_41') && ($row['Non_unique'] || $row[$col] == 'PRIMARY')) { continue; } if ($this->sql_layer == 'sqlite' && !$row['unique']) { continue; } if ($this->sql_layer == 'postgres' && $row['indisunique'] != 't') { continue; } // These DBMS prefix index name with the table name switch ($this->sql_layer) { case 'oracle': // Two cases here... prefixed with U_[table_owner] and not prefixed with table_name if (strpos($row[$col], 'U_') === 0) { $row[$col] = substr($row[$col], strlen('U_' . $row['table_owner']) + 1); } else if (strpos($row[$col], strtoupper($table_name)) === 0) { $row[$col] = substr($row[$col], strlen($table_name) + 1); } break; case 'firebird': case 'postgres': case 'sqlite': $row[$col] = substr($row[$col], strlen($table_name) + 1); break; } if (strtolower($row[$col]) == strtolower($index_name)) { $this->db->sql_freeresult($result); return true; } } $this->db->sql_freeresult($result); return false; } /** * Private method for performing sql statements (either execute them or return them) * @access private */ function _sql_run_sql($statements) { if ($this->return_statements) { return $statements; } // We could add error handling here... foreach ($statements as $sql) { if ($sql === 'begin') { $this->db->sql_transaction('begin'); } else if ($sql === 'commit') { $this->db->sql_transaction('commit'); } else { $this->db->sql_query($sql); } } return true; } /** * Function to prepare some column information for better usage * @access private */ function sql_prepare_column_data($table_name, $column_name, $column_data) { if (strlen($column_name) > 30) { trigger_error("Column name '$column_name' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR); } // Get type if (strpos($column_data[0], ':') !== false) { list($orig_column_type, $column_length) = explode(':', $column_data[0]); if (!is_array($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':'])) { $column_type = sprintf($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':'], $column_length); } else { if (isset($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['rule'])) { switch ($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['rule'][0]) { case 'div': $column_length /= $this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['rule'][1]; $column_length = ceil($column_length); $column_type = sprintf($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':'][0], $column_length); break; } } if (isset($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['limit'])) { switch ($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['limit'][0]) { case 'mult': $column_length *= $this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['limit'][1]; if ($column_length > $this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['limit'][2]) { $column_type = $this->dbms_type_map[$this->sql_layer][$orig_column_type . ':']['limit'][3]; } else { $column_type = sprintf($this->dbms_type_map[$this->sql_layer][$orig_column_type . ':'][0], $column_length); } break; } } } $orig_column_type .= ':'; } else { $orig_column_type = $column_data[0]; $column_type = $this->dbms_type_map[$this->sql_layer][$column_data[0]]; } // Adjust default value if db-dependant specified if (is_array($column_data[1])) { $column_data[1] = (isset($column_data[1][$this->sql_layer])) ? $column_data[1][$this->sql_layer] : $column_data[1]['default']; } $sql = ''; $return_array = array(); switch ($this->sql_layer) { case 'firebird': $sql .= " {$column_type} "; $return_array['column_type_sql_type'] = " {$column_type} "; if (!is_null($column_data[1])) { $sql .= 'DEFAULT ' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ' '; $return_array['column_type_sql_default'] = ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ' '; } $sql .= 'NOT NULL'; // This is a UNICODE column and thus should be given it's fair share if (preg_match('/^X?STEXT_UNI|VCHAR_(CI|UNI:?)/', $column_data[0])) { $sql .= ' COLLATE UNICODE'; } $return_array['auto_increment'] = false; if (isset($column_data[2]) && $column_data[2] == 'auto_increment') { $return_array['auto_increment'] = true; } break; case 'mssql': case 'mssqlnative': $sql .= " {$column_type} "; $sql_default = " {$column_type} "; // For adding columns we need the default definition if (!is_null($column_data[1])) { // For hexadecimal values do not use single quotes if (strpos($column_data[1], '0x') === 0) { $return_array['default'] = 'DEFAULT (' . $column_data[1] . ') '; $sql_default .= $return_array['default']; } else { $return_array['default'] = 'DEFAULT (' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ') '; $sql_default .= $return_array['default']; } } if (isset($column_data[2]) && $column_data[2] == 'auto_increment') { // $sql .= 'IDENTITY (1, 1) '; $sql_default .= 'IDENTITY (1, 1) '; } $return_array['textimage'] = $column_type === '[text]'; $sql .= 'NOT NULL'; $sql_default .= 'NOT NULL'; $return_array['column_type_sql_default'] = $sql_default; break; case 'mysql_40': case 'mysql_41': $sql .= " {$column_type} "; // For hexadecimal values do not use single quotes if (!is_null($column_data[1]) && substr($column_type, -4) !== 'text' && substr($column_type, -4) !== 'blob') { $sql .= (strpos($column_data[1], '0x') === 0) ? "DEFAULT {$column_data[1]} " : "DEFAULT '{$column_data[1]}' "; } $sql .= 'NOT NULL'; if (isset($column_data[2])) { if ($column_data[2] == 'auto_increment') { $sql .= ' auto_increment'; } else if ($this->sql_layer === 'mysql_41' && $column_data[2] == 'true_sort') { $sql .= ' COLLATE utf8_unicode_ci'; } } break; case 'oracle': $sql .= " {$column_type} "; $sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : ''; // In Oracle empty strings ('') are treated as NULL. // Therefore in oracle we allow NULL's for all DEFAULT '' entries // Oracle does not like setting NOT NULL on a column that is already NOT NULL (this happens only on number fields) if (!preg_match('/number/i', $column_type)) { $sql .= ($column_data[1] === '') ? '' : 'NOT NULL'; } $return_array['auto_increment'] = false; if (isset($column_data[2]) && $column_data[2] == 'auto_increment') { $return_array['auto_increment'] = true; } break; case 'postgres': $return_array['column_type'] = $column_type; $sql .= " {$column_type} "; $return_array['auto_increment'] = false; if (isset($column_data[2]) && $column_data[2] == 'auto_increment') { $default_val = "nextval('{$table_name}_seq')"; $return_array['auto_increment'] = true; } else if (!is_null($column_data[1])) { $default_val = "'" . $column_data[1] . "'"; $return_array['null'] = 'NOT NULL'; $sql .= 'NOT NULL '; } $return_array['default'] = $default_val; $sql .= "DEFAULT {$default_val}"; // Unsigned? Then add a CHECK contraint if (in_array($orig_column_type, $this->unsigned_types)) { $return_array['constraint'] = "CHECK ({$column_name} >= 0)"; $sql .= " CHECK ({$column_name} >= 0)"; } break; case 'sqlite': $return_array['primary_key_set'] = false; if (isset($column_data[2]) && $column_data[2] == 'auto_increment') { $sql .= ' INTEGER PRIMARY KEY'; $return_array['primary_key_set'] = true; } else { $sql .= ' ' . $column_type; } $sql .= ' NOT NULL '; $sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}'" : ''; break; } $return_array['column_type_sql'] = $sql; return $return_array; } /** * Add new column */ function sql_column_add($table_name, $column_name, $column_data, $inline = false) { $column_data = $this->sql_prepare_column_data($table_name, $column_name, $column_data); $statements = array(); switch ($this->sql_layer) { case 'firebird': // Does not support AFTER statement, only POSITION (and there you need the column position) $statements[] = 'ALTER TABLE ' . $table_name . ' ADD "' . strtoupper($column_name) . '" ' . $column_data['column_type_sql']; break; case 'mssql': case 'mssqlnative': // Does not support AFTER, only through temporary table $statements[] = 'ALTER TABLE [' . $table_name . '] ADD [' . $column_name . '] ' . $column_data['column_type_sql_default']; break; case 'mysql_40': case 'mysql_41': $after = (!empty($column_data['after'])) ? ' AFTER ' . $column_data['after'] : ''; $statements[] = 'ALTER TABLE `' . $table_name . '` ADD COLUMN `' . $column_name . '` ' . $column_data['column_type_sql'] . $after; break; case 'oracle': // Does not support AFTER, only through temporary table $statements[] = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' ' . $column_data['column_type_sql']; break; case 'postgres': // Does not support AFTER, only through temporary table if (version_compare($this->db->sql_server_info(true), '8.0', '>=')) { $statements[] = 'ALTER TABLE ' . $table_name . ' ADD COLUMN "' . $column_name . '" ' . $column_data['column_type_sql']; } else { // old versions cannot add columns with default and null information $statements[] = 'ALTER TABLE ' . $table_name . ' ADD COLUMN "' . $column_name . '" ' . $column_data['column_type'] . ' ' . $column_data['constraint']; if (isset($column_data['null'])) { if ($column_data['null'] == 'NOT NULL') { $statements[] = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN ' . $column_name . ' SET NOT NULL'; } } if (isset($column_data['default'])) { $statements[] = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN ' . $column_name . ' SET DEFAULT ' . $column_data['default']; } } break; case 'sqlite': if ($inline && $this->return_statements) { return $column_name . ' ' . $column_data['column_type_sql']; } if (version_compare(sqlite_libversion(), '3.0') == -1) { $sql = "SELECT sql FROM sqlite_master WHERE type = 'table' AND name = '{$table_name}' ORDER BY type DESC, name;"; $result = $this->db->sql_query($sql); if (!$result) { break; } $row = $this->db->sql_fetchrow($result); $this->db->sql_freeresult($result); $statements[] = 'begin'; // Create a backup table and populate it, destroy the existing one $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']); $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name; $statements[] = 'DROP TABLE ' . $table_name; preg_match('#\((.*)\)#s', $row['sql'], $matches); $new_table_cols = trim($matches[1]); $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols); $column_list = array(); foreach ($old_table_cols as $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if ($entities[0] == 'PRIMARY') { continue; } $column_list[] = $entities[0]; } $columns = implode(',', $column_list); $new_table_cols = $column_name . ' ' . $column_data['column_type_sql'] . ',' . $new_table_cols; // create a new table and fill it up. destroy the temp one $statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ');'; $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;'; $statements[] = 'DROP TABLE ' . $table_name . '_temp'; $statements[] = 'commit'; } else { $statements[] = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' [' . $column_data['column_type_sql'] . ']'; } break; } return $this->_sql_run_sql($statements); } /** * Drop column */ function sql_column_remove($table_name, $column_name, $inline = false) { $statements = array(); switch ($this->sql_layer) { case 'firebird': $statements[] = 'ALTER TABLE ' . $table_name . ' DROP "' . strtoupper($column_name) . '"'; break; case 'mssql': case 'mssqlnative': // remove default cosntraints first // http://msdn.microsoft.com/en-us/library/aa175912%28v=sql.80%29.aspx $statements[] = "DECLARE @drop_default_name VARCHAR(100), @cmd VARCHAR(1000) SET @drop_default_name = (SELECT so.name FROM sysobjects so JOIN sysconstraints sc ON so.id = sc.constid WHERE object_name(so.parent_obj) = '{$table_name}' AND so.xtype = 'D' AND sc.colid = (SELECT colid FROM syscolumns WHERE id = object_id('{$table_name}') AND name = '{$column_name}')) IF @drop_default_name <> '' BEGIN SET @cmd = 'ALTER TABLE [{$table_name}] DROP CONSTRAINT [' + @drop_default_name + ']' EXEC(@cmd) END"; $statements[] = 'ALTER TABLE [' . $table_name . '] DROP COLUMN [' . $column_name . ']'; break; case 'mysql_40': case 'mysql_41': $statements[] = 'ALTER TABLE `' . $table_name . '` DROP COLUMN `' . $column_name . '`'; break; case 'oracle': $statements[] = 'ALTER TABLE ' . $table_name . ' DROP COLUMN ' . $column_name; break; case 'postgres': $statements[] = 'ALTER TABLE ' . $table_name . ' DROP COLUMN "' . $column_name . '"'; break; case 'sqlite': if ($inline && $this->return_statements) { return $column_name; } if (version_compare(sqlite_libversion(), '3.0') == -1) { $sql = "SELECT sql FROM sqlite_master WHERE type = 'table' AND name = '{$table_name}' ORDER BY type DESC, name;"; $result = $this->db->sql_query($sql); if (!$result) { break; } $row = $this->db->sql_fetchrow($result); $this->db->sql_freeresult($result); $statements[] = 'begin'; // Create a backup table and populate it, destroy the existing one $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']); $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name; $statements[] = 'DROP TABLE ' . $table_name; preg_match('#\((.*)\)#s', $row['sql'], $matches); $new_table_cols = trim($matches[1]); $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols); $column_list = array(); foreach ($old_table_cols as $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if ($entities[0] == 'PRIMARY' || $entities[0] === $column_name) { continue; } $column_list[] = $entities[0]; } $columns = implode(',', $column_list); $new_table_cols = preg_replace('/' . $column_name . '[^,]+(?:,|$)/m', '', $new_table_cols); // create a new table and fill it up. destroy the temp one $statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ');'; $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;'; $statements[] = 'DROP TABLE ' . $table_name . '_temp'; $statements[] = 'commit'; } else { $statements[] = 'ALTER TABLE ' . $table_name . ' DROP COLUMN ' . $column_name; } break; } return $this->_sql_run_sql($statements); } /** * Drop Index */ function sql_index_drop($table_name, $index_name) { $statements = array(); switch ($this->sql_layer) { case 'mssql': case 'mssqlnative': $statements[] = 'DROP INDEX ' . $table_name . '.' . $index_name; break; case 'mysql_40': case 'mysql_41': $statements[] = 'DROP INDEX ' . $index_name . ' ON ' . $table_name; break; case 'firebird': case 'oracle': case 'postgres': case 'sqlite': $statements[] = 'DROP INDEX ' . $table_name . '_' . $index_name; break; } return $this->_sql_run_sql($statements); } /** * Drop Table */ function sql_table_drop($table_name) { $statements = array(); if (!$this->sql_table_exists($table_name)) { return $this->_sql_run_sql($statements); } // the most basic operation, get rid of the table $statements[] = 'DROP TABLE ' . $table_name; switch ($this->sql_layer) { case 'firebird': $sql = 'SELECT RDB$GENERATOR_NAME as gen FROM RDB$GENERATORS WHERE RDB$SYSTEM_FLAG = 0 AND RDB$GENERATOR_NAME = \'' . strtoupper($table_name) . "_GEN'"; $result = $this->db->sql_query($sql); // does a generator exist? if ($row = $this->db->sql_fetchrow($result)) { $statements[] = "DROP GENERATOR {$row['gen']};"; } $this->db->sql_freeresult($result); break; case 'oracle': $sql = 'SELECT A.REFERENCED_NAME FROM USER_DEPENDENCIES A, USER_TRIGGERS B WHERE A.REFERENCED_TYPE = \'SEQUENCE\' AND A.NAME = B.TRIGGER_NAME AND B.TABLE_NAME = \'' . strtoupper($table_name) . "'"; $result = $this->db->sql_query($sql); // any sequences ref'd to this table's triggers? while ($row = $this->db->sql_fetchrow($result)) { $statements[] = "DROP SEQUENCE {$row['referenced_name']}"; } $this->db->sql_freeresult($result); break; case 'postgres': // PGSQL does not "tightly" bind sequences and tables, we must guess... $sql = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relname = '{$table_name}_seq'"; $result = $this->db->sql_query($sql); // We don't even care about storing the results. We already know the answer if we get rows back. if ($this->db->sql_fetchrow($result)) { $statements[] = "DROP SEQUENCE {$table_name}_seq;\n"; } $this->db->sql_freeresult($result); break; } return $this->_sql_run_sql($statements); } /** * Add primary key */ function sql_create_primary_key($table_name, $column, $inline = false) { $statements = array(); switch ($this->sql_layer) { case 'firebird': case 'postgres': case 'mysql_40': case 'mysql_41': $statements[] = 'ALTER TABLE ' . $table_name . ' ADD PRIMARY KEY (' . implode(', ', $column) . ')'; break; case 'mssql': case 'mssqlnative': $sql = "ALTER TABLE [{$table_name}] WITH NOCHECK ADD "; $sql .= "CONSTRAINT [PK_{$table_name}] PRIMARY KEY CLUSTERED ("; $sql .= '[' . implode("],\n\t\t[", $column) . ']'; $sql .= ') ON [PRIMARY]'; $statements[] = $sql; break; case 'oracle': $statements[] = 'ALTER TABLE ' . $table_name . 'add CONSTRAINT pk_' . $table_name . ' PRIMARY KEY (' . implode(', ', $column) . ')'; break; case 'sqlite': if ($inline && $this->return_statements) { return $column; } $sql = "SELECT sql FROM sqlite_master WHERE type = 'table' AND name = '{$table_name}' ORDER BY type DESC, name;"; $result = $this->db->sql_query($sql); if (!$result) { break; } $row = $this->db->sql_fetchrow($result); $this->db->sql_freeresult($result); $statements[] = 'begin'; // Create a backup table and populate it, destroy the existing one $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']); $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name; $statements[] = 'DROP TABLE ' . $table_name; preg_match('#\((.*)\)#s', $row['sql'], $matches); $new_table_cols = trim($matches[1]); $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols); $column_list = array(); foreach ($old_table_cols as $declaration) { $entities = preg_split('#\s+#', trim($declaration)); if ($entities[0] == 'PRIMARY') { continue; } $column_list[] = $entities[0]; } $columns = implode(',', $column_list); // create a new table and fill it up. destroy the temp one $statements[] = 'CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ', PRIMARY KEY (' . implode(', ', $column) . '));'; $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;'; $statements[] = 'DROP TABLE ' . $table_name . '_temp'; $statements[] = 'commit'; break; } return $this->_sql_run_sql($statements); } /** * Add unique index */ function sql_create_unique_index($table_name, $index_name, $column) { $statements = array(); $table_prefix = substr(CONFIG_TABLE, 0, -6); // strlen(config) if (strlen($table_name . $index_name) - strlen($table_prefix) > 24) { $max_length = strlen($table_prefix) + 24; trigger_error("Index name '{$table_name}_$index_name' on table '$table_name' is too long. The maximum is $max_length characters.", E_USER_ERROR); } switch ($this->sql_layer) { case 'firebird': case 'postgres': case 'oracle': case 'sqlite': $statements[] = 'CREATE UNIQUE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')'; break; case 'mysql_40': case 'mysql_41': $statements[] = 'ALTER TABLE ' . $table_name . ' ADD UNIQUE INDEX ' . $index_name . '(' . implode(', ', $column) . ')'; break; case 'mssql': case 'mssqlnative': $statements[] = 'CREATE UNIQUE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ') ON [PRIMARY]'; break; } return $this->_sql_run_sql($statements); } /** * Add index */ function sql_create_index($table_name, $index_name, $column) { $statements = array(); $table_prefix = substr(CONFIG_TABLE, 0, -6); // strlen(config) if (strlen($table_name . $index_name) - strlen($table_prefix) > 24) { $max_length = strlen($table_prefix) + 24; trigger_error("Index name '{$table_name}_$index_name' on table '$table_name' is too long. The maximum is $max_length characters.", E_USER_ERROR); } // remove index length unless MySQL4 if ('mysql_40' != $this->sql_layer) { $column = preg_replace('#:.*$#', '', $column); } switch ($this->sql_layer) { case 'firebird': case 'postgres': case 'oracle': case 'sqlite': $statements[] = 'CREATE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')'; break; case 'mysql_40': // add index size to definition as required by MySQL4 foreach ($column as $i => $col) { if (false !== strpos($col, ':')) { list($col, $index_size) = explode(':', $col); $column[$i] = "$col($index_size)"; } } // no break case 'mysql_41': $statements[] = 'ALTER TABLE ' . $table_name . ' ADD INDEX ' . $index_name . '(' . implode(', ', $column) . ')'; break; case 'mssql': case 'mssqlnative': $statements[] = 'CREATE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ') ON [PRIMARY]'; break; } return $this->_sql_run_sql($statements); } /** * List all of the indices that belong to a table, * does not count: * * UNIQUE indices * * PRIMARY keys */ function sql_list_index($table_name) { $index_array = array(); if ($this->sql_layer == 'mssql' || $this->sql_layer == 'mssqlnative') { $sql = "EXEC sp_statistics '$table_name'"; $result = $this->db->sql_query($sql); while ($row = $this->db->sql_fetchrow($result)) { if ($row['TYPE'] == 3) { $index_array[] = $row['INDEX_NAME']; } } $this->db->sql_freeresult($result); } else { switch ($this->sql_layer) { case 'firebird': $sql = "SELECT LOWER(RDB\$INDEX_NAME) as index_name FROM RDB\$INDICES WHERE RDB\$RELATION_NAME = '" . strtoupper($table_name) . "' AND RDB\$UNIQUE_FLAG IS NULL AND RDB\$FOREIGN_KEY IS NULL"; $col = 'index_name'; break; case 'postgres': $sql = "SELECT ic.relname as index_name FROM pg_class bc, pg_class ic, pg_index i WHERE (bc.oid = i.indrelid) AND (ic.oid = i.indexrelid) AND (bc.relname = '" . $table_name . "') AND (i.indisunique != 't') AND (i.indisprimary != 't')"; $col = 'index_name'; break; case 'mysql_40': case 'mysql_41': $sql = 'SHOW KEYS FROM ' . $table_name; $col = 'Key_name'; break; case 'oracle': $sql = "SELECT index_name FROM user_indexes WHERE table_name = '" . strtoupper($table_name) . "' AND generated = 'N' AND uniqueness = 'NONUNIQUE'"; $col = 'index_name'; break; case 'sqlite': $sql = "PRAGMA index_info('" . $table_name . "');"; $col = 'name'; break; } $result = $this->db->sql_query($sql); while ($row = $this->db->sql_fetchrow($result)) { if (($this->sql_layer == 'mysql_40' || $this->sql_layer == 'mysql_41') && !$row['Non_unique']) { continue; } switch ($this->sql_layer) { case 'firebird': case 'oracle': case 'postgres': case 'sqlite': $row[$col] = substr($row[$col], strlen($table_name) + 1); break; } $index_array[] = $row[$col]; } $this->db->sql_freeresult($result); } return array_map('strtolower', $index_array); } /** * Change column type (not name!) */ function sql_column_change($table_name, $column_name, $column_data, $inline = false) { $column_data = $this->sql_prepare_column_data($table_name, $column_name, $column_data); $statements = array(); switch ($this->sql_layer) { case 'firebird': // Change type... if (!empty($column_data['column_type_sql_default'])) { $statements[] = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN "' . strtoupper($column_name) . '" TYPE ' . ' ' . $column_data['column_type_sql_type']; $statements[] = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN "' . strtoupper($column_name) . '" SET DEFAULT ' . ' ' . $column_data['column_type_sql_default']; } else { // TODO: try to change pkey without removing trigger, generator or constraints. ATM this query may fail. $statements[] = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN "' . strtoupper($column_name) . '" TYPE ' . ' ' . $column_data['column_type_sql_type']; } break; case 'mssql': case 'mssqlnative': $statements[] = 'ALTER TABLE [' . $table_name . '] ALTER COLUMN [' . $column_name . '] ' . $column_data['column_type_sql']; if (!empty($column_data['default'])) { // Using TRANSACT-SQL for this statement because we do not want to have colliding data if statements are executed at a later stage $statements[] = "DECLARE @drop_default_name VARCHAR(100), @cmd VARCHAR(1000) SET @drop_default_name = (SELECT so.name FROM sysobjects so JOIN sysconstraints sc ON so.id = sc.constid WHERE object_name(so.parent_obj) = '{$table_name}' AND so.xtype = 'D' AND sc.colid = (SELECT colid FROM syscolumns WHERE id = object_id('{$table_name}') AND name = '{$column_name}')) IF @drop_default_name <> '' BEGIN SET @cmd = 'ALTER TABLE [{$table_name}] DROP CONSTRAINT [' + @drop_default_name + ']' EXEC(@cmd) END SET @cmd = 'ALTER TABLE [{$table_name}] ADD CONSTRAINT [DF_{$table_name}_{$column_name}_1] {$column_data['default']} FOR [{$column_name}]' EXEC(@cmd)"; } break; case 'mysql_40': case 'mysql_41': $statements[] = 'ALTER TABLE `' . $table_name . '` CHANGE `' . $column_name . '` `' . $column_name . '` ' . $column_data['column_type_sql']; break; case 'oracle': $statements[] = 'ALTER TABLE ' . $table_name . ' MODIFY ' . $column_name . ' ' . $column_data['column_type_sql']; break; case 'postgres': $sql = 'ALTER TABLE ' . $table_name . ' '; $sql_array = array(); $sql_array[] = 'ALTER COLUMN ' . $column_name . ' TYPE ' . $column_data['column_type']; if (isset($column_data['null'])) { if ($column_data['null'] == 'NOT NULL') { $sql_array[] = 'ALTER COLUMN ' . $column_name . ' SET NOT NULL'; } else if ($column_data['null'] == 'NULL') { $sql_array[] = 'ALTER COLUMN ' . $column_name . ' DROP NOT NULL'; } } if (isset($column_data['default'])) { $sql_array[] = 'ALTER COLUMN ' . $column_name . ' SET DEFAULT ' . $column_data['default']; } // we don't want to double up on constraints if we change different number data types if (isset($column_data['constraint'])) { $constraint_sql = "SELECT consrc as constraint_data FROM pg_constraint, pg_class bc WHERE conrelid = bc.oid AND bc.relname = '{$table_name}' AND NOT EXISTS ( SELECT * FROM pg_constraint as c, pg_inherits as i WHERE i.inhrelid = pg_constraint.conrelid AND c.conname = pg_constraint.conname AND c.consrc = pg_constraint.consrc AND c.conrelid = i.inhparent )"; $constraint_exists = false; $result = $this->db->sql_query($constraint_sql); while ($row = $this->db->sql_fetchrow($result)) { if (trim($row['constraint_data']) == trim($column_data['constraint'])) { $constraint_exists = true; break; } } $this->db->sql_freeresult($result); if (!$constraint_exists) { $sql_array[] = 'ADD ' . $column_data['constraint']; } } $sql .= implode(', ', $sql_array); $statements[] = $sql; break; case 'sqlite': if ($inline && $this->return_statements) { return $column_name . ' ' . $column_data['column_type_sql']; } $sql = "SELECT sql FROM sqlite_master WHERE type = 'table' AND name = '{$table_name}' ORDER BY type DESC, name;"; $result = $this->db->sql_query($sql); if (!$result) { break; } $row = $this->db->sql_fetchrow($result); $this->db->sql_freeresult($result); $statements[] = 'begin'; // Create a temp table and populate it, destroy the existing one $statements[] = preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']); $statements[] = 'INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name; $statements[] = 'DROP TABLE ' . $table_name; preg_match('#\((.*)\)#s', $row['sql'], $matches); $new_table_cols = trim($matches[1]); $old_table_cols = preg_split('/,(?![\s\w]+\))/m', $new_table_cols); $column_list = array(); foreach ($old_table_cols as $key => $declaration) { $entities = preg_split('#\s+#', trim($declaration)); $column_list[] = $entities[0]; if ($entities[0] == $column_name) { $old_table_cols[$key] = $column_name . ' ' . $column_data['column_type_sql']; } } $columns = implode(',', $column_list); // create a new table and fill it up. destroy the temp one $statements[] = 'CREATE TABLE ' . $table_name . ' (' . implode(',', $old_table_cols) . ');'; $statements[] = 'INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;'; $statements[] = 'DROP TABLE ' . $table_name . '_temp'; $statements[] = 'commit'; break; } return $this->_sql_run_sql($statements); } } ?>mssql_odbc.php000066600000022270150472616240007421 0ustar00persistency = $persistency; $this->user = $sqluser; $this->dbname = $database; $port_delimiter = (defined('PHP_OS') && substr(PHP_OS, 0, 3) === 'WIN') ? ',' : ':'; $this->server = $sqlserver . (($port) ? $port_delimiter . $port : ''); $max_size = @ini_get('odbc.defaultlrl'); if (!empty($max_size)) { $unit = strtolower(substr($max_size, -1, 1)); $max_size = (int) $max_size; if ($unit == 'k') { $max_size = floor($max_size / 1024); } else if ($unit == 'g') { $max_size *= 1024; } else if (is_numeric($unit)) { $max_size = floor((int) ($max_size . $unit) / 1048576); } $max_size = max(8, $max_size) . 'M'; @ini_set('odbc.defaultlrl', $max_size); } if ($this->persistency) { if (!function_exists('odbc_pconnect')) { $this->connect_error = 'odbc_pconnect function does not exist, is odbc extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @odbc_pconnect($this->server, $this->user, $sqlpassword); } else { if (!function_exists('odbc_connect')) { $this->connect_error = 'odbc_connect function does not exist, is odbc extension installed?'; return $this->sql_error(''); } $this->db_connect_id = @odbc_connect($this->server, $this->user, $sqlpassword); } return ($this->db_connect_id) ? $this->db_connect_id : $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('mssqlodbc_version')) === false) { $result_id = @odbc_exec($this->db_connect_id, "SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY('productlevel'), SERVERPROPERTY('edition')"); $row = false; if ($result_id) { $row = @odbc_fetch_array($result_id); @odbc_free_result($result_id); } $this->sql_server_version = ($row) ? trim(implode(' ', $row)) : 0; if (!empty($cache) && $use_cache) { $cache->put('mssqlodbc_version', $this->sql_server_version); } } if ($raw) { return $this->sql_server_version; } return ($this->sql_server_version) ? 'MSSQL (ODBC)
' . $this->sql_server_version : 'MSSQL (ODBC)'; } /** * SQL Transaction * @access private */ function _sql_transaction($status = 'begin') { switch ($status) { case 'begin': return @odbc_exec($this->db_connect_id, 'BEGIN TRANSACTION'); break; case 'commit': return @odbc_exec($this->db_connect_id, 'COMMIT TRANSACTION'); break; case 'rollback': return @odbc_exec($this->db_connect_id, 'ROLLBACK TRANSACTION'); 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 = @odbc_exec($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 $this->query_result; } /** * Build LIMIT query */ function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) { $this->query_result = false; // Since TOP is only returning a set number of rows we won't need it if total is set to 0 (return all rows) if ($total) { // We need to grab the total number of rows + the offset number of rows to get the correct result if (strpos($query, 'SELECT DISTINCT') === 0) { $query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15); } else { $query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6); } } $result = $this->sql_query($query, $cache_ttl); // Seek by $offset rows if ($offset) { $this->sql_rowseek($offset, $result); } return $result; } /** * Return number of affected rows */ function sql_affectedrows() { return ($this->db_connect_id) ? @odbc_num_rows($this->query_result) : false; } /** * Fetch current row * @note number of bytes returned depends on odbc.defaultlrl php.ini setting. If it is limited to 4K for example only 4K of data is returned max. */ function sql_fetchrow($query_id = false, $debug = 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 ($query_id !== false) ? @odbc_fetch_array($query_id) : false; } /** * Get last inserted id after insert statement */ function sql_nextid() { $result_id = @odbc_exec($this->db_connect_id, 'SELECT @@IDENTITY'); if ($result_id) { if (@odbc_fetch_array($result_id)) { $id = @odbc_result($result_id, 1); @odbc_free_result($result_id); return $id; } @odbc_free_result($result_id); } 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) $query_id]); return @odbc_free_result($query_id); } return false; } /** * Escape string used in sql query */ function sql_escape($msg) { return str_replace(array("'", "\0"), array("''", ''), $msg); } /** * {@inheritDoc} */ function sql_lower_text($column_name) { return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))"; } /** * Build LIKE expression * @access private */ function _sql_like_expression($expression) { return $expression . " ESCAPE '\\'"; } /** * Build db-specific query data * @access private */ function _sql_custom_build($stage, $data) { return $data; } /** * return sql error array * @access private */ function _sql_error() { if (function_exists('odbc_errormsg')) { $error = array( 'message' => @odbc_errormsg(), 'code' => @odbc_error(), ); } else { $error = array( 'message' => $this->connect_error, 'code' => '', ); } return $error; } /** * Close sql connection * @access private */ function _sql_close() { return @odbc_close($this->db_connect_id); } /** * Build db-specific report * @access private */ function _sql_report($mode, $query = '') { switch ($mode) { case 'start': break; case 'fromcache': $endtime = explode(' ', microtime()); $endtime = $endtime[0] + $endtime[1]; $result = @odbc_exec($this->db_connect_id, $query); while ($void = @odbc_fetch_array($result)) { // Take the time spent on parsing rows into account } @odbc_free_result($result); $splittime = explode(' ', microtime()); $splittime = $splittime[0] + $splittime[1]; $this->sql_report('record_fromcache', $query, $endtime, $splittime); break; } } } ?>index.htm000066600000000251150472616240006376 0ustar00 postgres.php000066600000024316150472616240007144 0ustar00dbname = $database; if (strpos($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 .= ''; } } 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; } } } ?>