| <?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_odbc extends dbal |
| { |
| var $last_query_text = ''; |
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| function sql_connect($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 : ''); |
| |
| $max_size = @ini_get('odbc.defaultlrl'); |
| if (!empty($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); |
| } |
| |
| $this->db_connect_id = ($this->persistency) ? @odbc_pconnect($this->server, $this->user, $sqlpassword) : @odbc_connect($this->server, $this->user, $sqlpassword); |
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| return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error(''); |
| } |
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| function sql_server_info($raw = false) |
| { |
| global $cache; |
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| if (empty($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); |
| } |
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| $this->sql_server_version = ($row) ? trim(implode(' ', $row)) : 0; |
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| if (!empty($cache)) |
| { |
| $cache->put('mssqlodbc_version', $this->sql_server_version); |
| } |
| } |
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| if ($raw) |
| { |
| return $this->sql_server_version; |
| } |
| |
| return ($this->sql_server_version) ? 'MSSQL (ODBC)<br />' . $this->sql_server_version : 'MSSQL (ODBC)'; |
| } |
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| function _sql_transaction($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; |
| } |
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| return true; |
| } |
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| function sql_query($query = '', $cache_ttl = 0) |
| { |
| if ($query != '') |
| { |
| global $cache; |
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| if (defined('DEBUG_EXTRA')) |
| { |
| $this->sql_report('start', $query); |
| } |
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| $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); |
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| if ($this->query_result === false) |
| { |
| if (($this->query_result = @odbc_exec($this->db_connect_id, $query)) === false) |
| { |
| $this->sql_error($query); |
| } |
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| if (defined('DEBUG_EXTRA')) |
| { |
| $this->sql_report('stop', $query); |
| } |
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| if ($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; |
| } |
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| 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) |
| { |
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| if (strpos($query, 'SELECT DISTINCT') === 0) |
| { |
| $query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15); |
| } |
| else |
| { |
| $query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6); |
| } |
| } |
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| $result = $this->sql_query($query, $cache_ttl); |
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| if ($offset) |
| { |
| $this->sql_rowseek($offset, $result); |
| } |
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| return $result; |
| } |
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| function sql_affectedrows() |
| { |
| return ($this->db_connect_id) ? @odbc_num_rows($this->query_result) : false; |
| } |
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| function sql_fetchrow($query_id = false, $debug = false) |
| { |
| 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 $cache->sql_fetchrow($query_id); |
| } |
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| return ($query_id !== false) ? @odbc_fetch_array($query_id) : false; |
| } |
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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, $query_id); |
| } |
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| if ($query_id === false) |
| { |
| return false; |
| } |
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| $this->sql_freeresult($query_id); |
| $query_id = $this->sql_query($this->last_query_text); |
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| if ($query_id === false) |
| { |
| return false; |
| } |
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| for ($i = 0; $i < $rownum; $i++) |
| { |
| if (!$this->sql_fetchrow($query_id)) |
| { |
| return false; |
| } |
| } |
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| return true; |
| } |
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| function sql_nextid() |
| { |
| $result_id = @odbc_exec($this->db_connect_id, 'SELECT @@IDENTITY'); |
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| 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); |
| } |
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| return false; |
| } |
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| function sql_freeresult($query_id = false) |
| { |
| 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 $cache->sql_freeresult($query_id); |
| } |
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| if (isset($this->open_queries[(int) $query_id])) |
| { |
| unset($this->open_queries[(int) $query_id]); |
| return @odbc_free_result($query_id); |
| } |
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| 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 $expression . " ESCAPE '\\'"; |
| } |
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| function _sql_custom_build($stage, $data) |
| { |
| return $data; |
| } |
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| function _sql_error() |
| { |
| return array( |
| 'message' => @odbc_errormsg(), |
| 'code' => @odbc_error() |
| ); |
| } |
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| function _sql_close() |
| { |
| return @odbc_close($this->db_connect_id); |
| } |
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| 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($result)) |
| { |
| |
| } |
| @odbc_free_result($result); |
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| $splittime = explode(' ', microtime()); |
| $splittime = $splittime[0] + $splittime[1]; |
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| $this->sql_report('record_fromcache', $query, $endtime, $splittime); |
| |
| break; |
| } |
| } |
| } |
| |
| ?> |