| <?php |
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| if (!defined('IN_PHPBB')) |
| { |
| exit; |
| } |
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| include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx); |
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| class dbal_mssql extends dbal |
| { |
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| function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false) |
| { |
| $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 : $this->sql_error(''); |
| } |
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| function sql_server_info($raw = false) |
| { |
| global $cache; |
| |
| if (empty($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)) |
| { |
| $cache->put('mssql_version', $this->sql_server_version); |
| } |
| } |
| |
| if ($raw) |
| { |
| return $this->sql_server_version; |
| } |
| |
| return ($this->sql_server_version) ? 'MSSQL<br />' . $this->sql_server_version : 'MSSQL'; |
| } |
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| function _sql_transaction($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', $this->db_connect_id); |
| break; |
| } |
| |
| return true; |
| } |
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| function sql_query($query = '', $cache_ttl = 0) |
| { |
| if ($query != '') |
| { |
| global $cache; |
| |
| |
| if (defined('DEBUG_EXTRA')) |
| { |
| $this->sql_report('start', $query); |
| } |
| |
| $this->query_result = ($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 $this->query_result; |
| } |
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| function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) |
| { |
| $this->query_result = false; |
| |
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| if ($total) |
| { |
| |
| 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, $cache_ttl); |
| |
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| if ($offset) |
| { |
| $this->sql_rowseek($offset, $result); |
| } |
| |
| return $result; |
| } |
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| function sql_affectedrows() |
| { |
| return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false; |
| } |
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| function sql_fetchrow($query_id = false) |
| { |
| global $cache; |
| |
| if ($query_id === false) |
| { |
| $query_id = $this->query_result; |
| } |
| |
| if (isset($cache->sql_rowset[$query_id])) |
| { |
| return $cache->sql_fetchrow($query_id); |
| } |
| |
| if ($query_id === false) |
| { |
| return false; |
| } |
| |
| $row = @mssql_fetch_assoc($query_id); |
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| if ($row) |
| { |
| foreach ($row as $key => $value) |
| { |
| $row[$key] = ($value === ' ' || $value === NULL) ? '' : $value; |
| } |
| } |
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| return $row; |
| } |
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| function sql_rowseek($rownum, &$query_id) |
| { |
| global $cache; |
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| if ($query_id === false) |
| { |
| $query_id = $this->query_result; |
| } |
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| if (isset($cache->sql_rowset[$query_id])) |
| { |
| return $cache->sql_rowseek($rownum, $query_id); |
| } |
| |
| return ($query_id !== false) ? @mssql_data_seek($query_id, $rownum) : false; |
| } |
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| 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); |
| } |
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| return false; |
| } |
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| function sql_freeresult($query_id = false) |
| { |
| global $cache; |
| |
| if ($query_id === false) |
| { |
| $query_id = $this->query_result; |
| } |
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| if (isset($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($query_id); |
| } |
| |
| return false; |
| } |
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| function sql_escape($msg) |
| { |
| return str_replace(array("'", "\0"), array("''", ''), $msg); |
| } |
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| function _sql_like_expression($expression) |
| { |
| return $expression . " ESCAPE '\\'"; |
| } |
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| function _sql_error() |
| { |
| $error = array( |
| 'message' => @mssql_get_last_message(), |
| 'code' => '' |
| ); |
| |
| |
| $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); |
| } |
| |
| |
| $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'] .= '<br />' . $row['message']; |
| } |
| @mssql_free_result($result_id); |
| } |
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| return $error; |
| } |
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| function _sql_custom_build($stage, $data) |
| { |
| return $data; |
| } |
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| function _sql_close() |
| { |
| return @mssql_close($this->db_connect_id); |
| } |
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| 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 .= '</table>'; |
| } |
| break; |
| |
| case 'fromcache': |
| $endtime = explode(' ', microtime()); |
| $endtime = $endtime[0] + $endtime[1]; |
| |
| $result = @mssql_query($query, $this->db_connect_id); |
| while ($void = @mssql_fetch_assoc($result)) |
| { |
| |
| } |
| @mssql_free_result($result); |
| |
| $splittime = explode(' ', microtime()); |
| $splittime = $splittime[0] + $splittime[1]; |
| |
| $this->sql_report('record_fromcache', $query, $endtime, $splittime); |
| |
| break; |
| } |
| } |
| } |
| |
| ?> |