From 2273d4117fd50ee44dcdaa28fd6444383dc403a0 Mon Sep 17 00:00:00 2001 From: alecpl Date: Tue, 26 Jan 2010 13:45:16 +0000 Subject: - Add support for MDB2's 'sqlsrv' driver (#1486395) --- program/lib/MDB2/Driver/sqlsrv.php | 1165 ++++++++++++++++++++++++++++++++++++ 1 file changed, 1165 insertions(+) create mode 100644 program/lib/MDB2/Driver/sqlsrv.php (limited to 'program/lib/MDB2/Driver/sqlsrv.php') diff --git a/program/lib/MDB2/Driver/sqlsrv.php b/program/lib/MDB2/Driver/sqlsrv.php new file mode 100644 index 000000000..c00aaf48f --- /dev/null +++ b/program/lib/MDB2/Driver/sqlsrv.php @@ -0,0 +1,1165 @@ + | +// +----------------------------------------------------------------------+ +// {{{ Class MDB2_Driver_sqlsrv +/** + * MDB2 MSSQL Server (native) driver + * + * @package MDB2 + * @category Database + */ +class MDB2_Driver_sqlsrv extends MDB2_Driver_Common +{ + // {{{ properties + + var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false); + + var $identifier_quoting = array('start' => '[', 'end' => ']', 'escape' => ']'); + + var $connection = null; + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'sqlsrv'; + $this->dbsyntax = 'sqlsrv'; + + $this->supported['sequences'] = 'emulated'; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = true; + $this->supported['summary_functions'] = true; + $this->supported['transactions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['savepoints'] = false; + $this->supported['current_id'] = 'emulated'; + $this->supported['limit_queries'] = 'emulated'; + $this->supported['LOBs'] = true; + $this->supported['replace'] = 'emulated'; + $this->supported['sub_selects'] = true; + $this->supported['triggers'] = true; + $this->supported['auto_increment'] = true; + $this->supported['primary_key'] = true; + $this->supported['result_introspection'] = true; + $this->supported['prepared_statements'] = 'emulated'; + $this->supported['identifier_quoting'] = false; + $this->supported['pattern_escaping'] = true; + $this->supported['new_link'] = true; + + $this->options['DBA_username'] = false; + $this->options['DBA_password'] = false; + $this->options['database_device'] = false; + $this->options['database_size'] = false; + $this->options['max_identifiers_length'] = 128; // MS Access: 64 + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null, $connection = null) + { + if (null === $connection) { + if (!$this->connection) { + $this->connect(); + } + $connection = $this->connection; + } + + $native_code = null; + $native_msg = null; + if ($connection) { + $retErrors = sqlsrv_errors(SQLSRV_ERR_ALL); + if ($retErrors !== null) { + foreach ($retErrors as $arrError) { + $native_msg .= "SQLState: ".$arrError[ 'SQLSTATE']."\n"; + $native_msg .= "Error Code: ".$arrError[ 'code']."\n"; + $native_msg .= "Message: ".$arrError[ 'message']."\n"; + $native_code = $arrError[ 'code']; + } + } + } + if (null === $error) { + static $ecode_map; + if (empty($ecode_map)) { + $ecode_map = array( + 102 => MDB2_ERROR_SYNTAX, + 110 => MDB2_ERROR_VALUE_COUNT_ON_ROW, + 155 => MDB2_ERROR_NOSUCHFIELD, + 156 => MDB2_ERROR_SYNTAX, + 170 => MDB2_ERROR_SYNTAX, + 207 => MDB2_ERROR_NOSUCHFIELD, + 208 => MDB2_ERROR_NOSUCHTABLE, + 245 => MDB2_ERROR_INVALID_NUMBER, + 319 => MDB2_ERROR_SYNTAX, + 321 => MDB2_ERROR_NOSUCHFIELD, + 325 => MDB2_ERROR_SYNTAX, + 336 => MDB2_ERROR_SYNTAX, + 515 => MDB2_ERROR_CONSTRAINT_NOT_NULL, + 547 => MDB2_ERROR_CONSTRAINT, + 911 => MDB2_ERROR_NOT_FOUND, + 1018 => MDB2_ERROR_SYNTAX, + 1035 => MDB2_ERROR_SYNTAX, + 1801 => MDB2_ERROR_ALREADY_EXISTS, + 1913 => MDB2_ERROR_ALREADY_EXISTS, + 2209 => MDB2_ERROR_SYNTAX, + 2223 => MDB2_ERROR_SYNTAX, + 2248 => MDB2_ERROR_SYNTAX, + 2256 => MDB2_ERROR_SYNTAX, + 2257 => MDB2_ERROR_SYNTAX, + 2627 => MDB2_ERROR_CONSTRAINT, + 2714 => MDB2_ERROR_ALREADY_EXISTS, + 3607 => MDB2_ERROR_DIVZERO, + 3701 => MDB2_ERROR_NOSUCHTABLE, + 7630 => MDB2_ERROR_SYNTAX, + 8134 => MDB2_ERROR_DIVZERO, + 9303 => MDB2_ERROR_SYNTAX, + 9317 => MDB2_ERROR_SYNTAX, + 9318 => MDB2_ERROR_SYNTAX, + 9331 => MDB2_ERROR_SYNTAX, + 9332 => MDB2_ERROR_SYNTAX, + 15253 => MDB2_ERROR_SYNTAX, + ); + } + if (isset($ecode_map[$native_code])) { + if ($native_code == 3701 + && preg_match('/Cannot drop the index/i', $native_msg) + ) { + $error = MDB2_ERROR_NOT_FOUND; + } else { + $error = $ecode_map[$native_code]; + } + } + } + return array($error, $native_code, $native_msg); + } + + // }}} + // {{{ function escapePattern($text) + + /** + * Quotes pattern (% and _) characters in a string) + * + * @param string the input string to quote + * + * @return string quoted string + * + * @access public + */ + function escapePattern($text) + { + $text = str_replace("[", "[ [ ]", $text); + foreach ($this->wildcards as $wildcard) { + $text = str_replace($wildcard, '[' . $wildcard . ']', $text); + } + return $text; + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction or set a savepoint. + * + * @param string name of a savepoint to set + * @return mixed MDB2_OK on success, a MDB2 error on failure + * + * @access public + */ + function beginTransaction($savepoint = null) + { + $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint)); + if (null !== $savepoint) { + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR_INVALID, null, null, + 'savepoint cannot be released when changes are auto committed', __FUNCTION__); + } + $query = 'SAVE TRANSACTION '.$savepoint; + return $this->_doQuery($query, true); + } + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + if (!$this->destructor_registered && $this->opened_persistent) { + $this->destructor_registered = true; + register_shutdown_function('MDB2_closeOpenTransactions'); + } + if (PEAR::isError(sqlsrv_begin_transaction($this->connection))) { + return MDB2_ERROR; + } + $this->in_transaction = true; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress or release a savepoint. This function may only be called when + * auto-committing is disabled, otherwise it will fail. Therefore, a new + * transaction is implicitly started after committing the pending changes. + * + * @param string name of a savepoint to release + * @return mixed MDB2_OK on success, a MDB2 error on failure + * + * @access public + */ + function commit($savepoint = null) + { + $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint)); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR_INVALID, null, null, + 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__); + } + if (null !== $savepoint) { + return MDB2_OK; + } + + if (PEAR::isError(sqlsrv_commit($this->connection))) { + return MDB2_ERROR; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction or since a specific + * savepoint that is in progress. This function may only be called when + * auto-committing is disabled, otherwise it will fail. Therefore, a new + * transaction is implicitly started after canceling the pending changes. + * + * @param string name of a savepoint to rollback to + * @return mixed MDB2_OK on success, a MDB2 error on failure + * + * @access public + */ + function rollback($savepoint = null) + { + $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint)); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR_INVALID, null, null, + 'rollback cannot be done changes are auto committed', __FUNCTION__); + } + if (null !== $savepoint) { + $query = 'ROLLBACK TRANSACTION '.$savepoint; + return $this->_doQuery($query, true); + } + + if (PEAR::isError(sqlsrv_rollback($this->connection))) { + return MDB2_ERROR; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ _doConnect() + + /** + * do the grunt work of the connect + * + * @return connection on success or MDB2 Error Object on failure + * @access protected + */ + function _doConnect($username, $password, $database=null, $persistent = false) + { + if (!PEAR::loadExtension($this->phptype)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'extension '.$this->phptype.' is not installed PHP', __FUNCTION__); + } + + $host = $this->dsn['hostspec'] ? $this->dsn['hostspec'] : '.\\SQLEXPRESS'; + $params = array( + 'UID' => $username ? $username : null, + 'PWD' => $password ? $password : null, + ); + if ($database) { + $params['Database'] = $database; + } + + if ($this->dsn['port'] && $this->dsn['port'] != 1433) { + $host .= ','.$this->dsn['port']; + } + + $connection = @sqlsrv_connect($host, $params); + if (!$connection) { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, + 'unable to establish a connection', __FUNCTION__, __FUNCTION__); + } + if (null !== $database) { + $this->connected_database_name = $database; + } + + if (!empty($this->dsn['charset'])) { + $result = $this->setCharset($this->dsn['charset'], $connection); + if (PEAR::isError($result)) { + return $result; + } + } + + if (empty($this->dsn['disable_iso_date'])) { + @sqlsrv_query($connection,'SET DATEFORMAT ymd'); + } + + return $connection; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + */ + function connect() + { + if (is_resource($this->connection)) { + if (MDB2::areEquals($this->connected_dsn, $this->dsn)) { + return MDB2_OK; + } + $this->disconnect(false); + } + + $connection = $this->_doConnect( + $this->dsn['username'], + $this->dsn['password'], + $this->database_name, + $this->options['persistent'] + ); + if (PEAR::isError($connection)) { + return $connection; + } + + $this->connection = $connection; + $this->connected_dsn = $this->dsn; + $this->connected_database_name = $this->database_name; + $this->opened_persistent = $this->options['persistent']; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + + return MDB2_OK; + } + + // }}} + // {{{ databaseExists() + + /** + * check if given database name exists? + * + * @param string $name name of the database that should be checked + * + * @return mixed true/false on success, a MDB2 error on failure + * @access public + */ + function databaseExists($name) + { + $connection = $this->_doConnect($this->dsn['username'],$this->dsn['password']); + if (PEAR::isError($connection)) { + return MDB2_ERROR_CONNECT_FAILED; + } + $result = @sqlsrv_query($connection,'select name from master..sysdatabases where name = \''.strtolower($name).'\''); + if (@sqlsrv_fetch($result)) { + return true; + } + return MDB2_ERROR_NOT_FOUND; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @param boolean $force if the disconnect should be forced even if the + * connection is opened persistently + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_resource($this->connection)) { + if ($this->in_transaction) { + $dsn = $this->dsn; + $database_name = $this->database_name; + $persistent = $this->options['persistent']; + $this->dsn = $this->connected_dsn; + $this->database_name = $this->connected_database_name; + $this->options['persistent'] = $this->opened_persistent; + $this->rollback(); + $this->dsn = $dsn; + $this->database_name = $database_name; + $this->options['persistent'] = $persistent; + } + + @sqlsrv_close($this->connection); + } + return parent::disconnect($force); + } + + // }}} + // {{{ standaloneQuery() + + /** + * execute a query as DBA + * + * @param string $query the SQL query + * @param mixed $types array that contains the types of the columns in + * the result set + * @param boolean $is_manip if the query is a manipulation query + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &standaloneQuery($query, $types = null, $is_manip = false) + { + $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username']; + $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password']; + $connection = $this->_doConnect($user, $pass, $this->database_name, $this->options['persistent']); + if (PEAR::isError($connection)) { + return $connection; + } + + $query = $this->_modifyQuery($query, $is_manip, $this->limit, $this->offset); + $this->offset = $this->limit = 0; + + $result =& $this->_doQuery($query, $is_manip, $connection); + if (!PEAR::isError($result)) { + $result = $this->_affectedRows($connection, $result); + } + + @sqlsrv_close($connection); + return $result; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $is_manip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre')); + if ($result) { + if (PEAR::isError($result)) { + return $result; + } + $query = $result; + } + if ($this->options['disable_query']) { + $result = $is_manip ? 0 : null; + return $result; + } + + if (null === $connection) { + $connection = $this->getConnection(); + if (PEAR::isError($connection)) { + return $connection; + } + } + if (null === $database_name) { + $database_name = $this->database_name; + } + + if ($database_name && $database_name != $this->connected_database_name) { + $connection = $this->_doConnect($this->dsn['username'],$this->dsn['password'],$database_name); + if (PEAR::isError($connection)) { + $err = $this->raiseError(null, null, null, + 'Could not select the database: '.$database_name, __FUNCTION__); + return $err; + } + $this->connected_database_name = $database_name; + } + + $query = preg_replace('/DATE_FORMAT\((MIN\()?([\w|.]*)(\))?\\Q, \'%Y-%m-%d\')\E/i','CONVERT(varchar(10),$1$2$3,120)',$query); + $query = preg_replace('/DATE_FORMAT\(([\w|.]*)\, \'\%Y\-\%m\-\%d %H\:00\:00\'\)/i','CONVERT(varchar(13),$1,120)+\':00:00\'',$query); + $result = @sqlsrv_query($connection,$query); + if (!$result) { + $err =& $this->raiseError(null, null, null, + 'Could not execute statement', __FUNCTION__); + return $err; + } + $this->result = $result; + $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result)); + return $result; + } + + // }}} + // {{{ _affectedRows() + + /** + * Returns the number of rows affected + * + * @param resource $result + * @param resource $connection + * @return mixed MDB2 Error Object or the number of rows affected + * @access private + */ + function _affectedRows($connection, $result = null) + { + if (null === $result) { + $result = $this->result; + } + return sqlsrv_rows_affected($this->result); + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @param boolean $is_manip if it is a DML query + * @param integer $limit limit the number of rows + * @param integer $offset start reading from given offset + * @return string modified query + * @access protected + */ + function _modifyQuery($query, $is_manip, $limit, $offset) + { + if ($limit > 0) { + $fetch = $offset + $limit; + if (!$is_manip) { + return preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i', + "\\1SELECT\\2 TOP $fetch", $query); + } + } + return $query; + } + + // }}} + // {{{ getServerVersion() + + /** + * return version information about the server + * + * @param bool $native determines if the raw version string should be returned + * @return mixed array/string with version information or MDB2 error object + * @access public + */ + function getServerVersion($native = false) + { + if ($this->connected_server_info) { + $server_info = $this->connected_server_info; + } else { + $server_info = sqlsrv_server_info($this->connection); + } + // cache server_info + $this->connected_server_info = $server_info; + $version = $server_info['SQLServerVersion']; + if (!$native) { + if (preg_match('/(\d+)\.(\d+)\.(\d+)/', $version, $tmp)) { + $version = array( + 'major' => $tmp[1], + 'minor' => $tmp[2], + 'patch' => $tmp[3], + 'extra' => null, + 'native' => $version, + ); + } else { + $version = array( + 'major' => null, + 'minor' => null, + 'patch' => null, + 'extra' => null, + 'native' => $version, + ); + } + } + return $version; + } + + // }}} + // {{{ _checkSequence + + /** + * Checks if there's a sequence that exists. + * + * @param string $seq_name The sequence name to verify. + * @return bool $tableExists The value if the table exists or not + * @access private + */ + function _checkSequence($seq_name) + { + $query = "SELECT * FROM $seq_name"; + $tableExists =& $this->_doQuery($query, true); + if (PEAR::isError($tableExists)) { + if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) { + return false; + } + return false; + } + if (@sqlsrv_fetch($tableExits)) { + return true; + } + return false; + } + + // }}} + // {{{ nextID() + + /** + * Returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the sequence is + * automatic created, if it + * not exists + * + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true); + $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true); + $this->pushErrorHandling(PEAR_ERROR_RETURN); + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + + $seq_val = $this->_checkSequence($sequence_name); + + if ($seq_val) { + $query = "SET IDENTITY_INSERT $sequence_name OFF ". + "INSERT INTO $sequence_name DEFAULT VALUES"; + } else { + $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (0)"; + } + $result =& $this->_doQuery($query, true); + $this->popExpect(); + $this->popErrorHandling(); + if (PEAR::isError($result)) { + if ($ondemand && !$this->_checkSequence($sequence_name)) { + $this->loadModule('Manager', null, true); + $result = $this->manager->createSequence($seq_name); + if (PEAR::isError($result)) { + return $this->raiseError($result, null, null, + 'on demand sequence '.$seq_name.' could not be created', __FUNCTION__); + } else { + /** + * Little off-by-one problem with the sequence emulation + * here being fixed, that instead of re-calling nextID + * and forcing an increment by one, we simply check if it + * exists, then we get the last inserted id if it does. + * + * In theory, $seq_name should be created otherwise there would + * have been an error thrown somewhere up there.. + * + * @todo confirm + */ + if ($this->_checkSequence($seq_name)) { + return $this->lastInsertID($seq_name); + } + + return $this->nextID($seq_name, false); + } + } + return $result; + } + $value = $this->lastInsertID($sequence_name); + if (is_numeric($value)) { + $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value"; + $result =& $this->_doQuery($query, true); + if (PEAR::isError($result)) { + $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name; + } + } + return $value; + } + + // }}} + // {{{ lastInsertID() + + /** + * Returns the autoincrement ID if supported or $id or fetches the current + * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field) + * + * @param string $table name of the table into which a new row was inserted + * @param string $field name of the field into which a new row was inserted + * + * @return mixed MDB2 Error Object or id + * @access public + */ + function lastInsertID($table = null, $field = null) + { + return $this->queryOne("SELECT IDENT_CURRENT('$table')", 'integer'); + } + + // }}} +} + +// }}} +// {{{ Class MDB2_Result_mssql + +/** + * MDB2 MSSQL Server result driver + * + * @package MDB2 + * @category Database + * @author Frank M. Kromann + */ +class MDB2_Result_sqlsrv extends MDB2_Result_Common +{ + // {{{ constructor: function __construct(&$db, &$result, $limit = 0, $offset = 0) + + /** + * Constructor + */ + function __construct(&$db, &$result, $limit = 0, $offset = 0) +{ + $this->db =& $db; + $this->result =& $result; + $this->offset = $offset; + $this->limit = max(0, $limit - 1); + $this->cursor = 0; + $this->rows = array(); + $this->numFields = sqlsrv_num_fields($result); + $this->fieldMeta = sqlsrv_field_metadata($result); + $this->numRowsAffected = sqlsrv_rows_affected($result); + while ($row = sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)) { + if ($row !== null) { + if ($this->offset && $this->offset_count < $this->offset) { + $this->offset_count++; + continue; + } + foreach ($row as $k => $v) { + if (is_object($v) && method_exists($v, 'format')) {//DateTime Object + $row[$k] = $v->format("Y-m-d H:i:s"); + } + } + $this->rows[] = $row;//read results into memory, cursors are not supported + } + } + $this->rowcnt = count($this->rows); + } + + // }}} + // {{{ _skipLimitOffset() + + /** + * Skip the first row of a result set. + * + * @param resource $result + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access protected + */ +/* function _skipLimitOffset() + { + if ($this->limit) { + if ($this->rownum >= $this->limit) { + return false; + } + } + if ($this->offset) { + while ($this->offset_count < $this->offset) { + ++$this->offset_count; + if (!is_array(@sqlsrv_fetch_array($this->result))) { + $this->offset_count = $this->limit; + return false; + } + } + } + return MDB2_OK; + }*/ + + // }}} + function array_to_obj($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; + } + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (!$this->result) { + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, 'no valid statement given', __FUNCTION__); + } + if (($this->limit && $this->rownum >= $this->limit) || ($this->cursor >= $this->rowcnt || $this->rowcnt == 0)) { + $null = null; + return $null; + } + if (null !== $rownum) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + + $row = false; + $arrNum = array(); + if ($fetchmode == MDB2_FETCHMODE_ORDERED || $fetchmode == MDB2_FETCHMODE_DEFAULT) { + foreach ($this->rows[$this->cursor] as $key=>$value) { + $arrNum[] = $value; + } + } + switch($fetchmode) { + case MDB2_FETCHMODE_ASSOC: + $row = $this->rows[$this->cursor]; break; + case MDB2_FETCHMODE_ORDERED: + $row = $arrNum; break; + case MDB2_FETCHMODE_OBJECT: + $row = $this->array_to_obj($this->rows[$this->cursor],$o = new $this->db->options['fetch_class']); break; + case MDB2_FETCHMODE_DEFAULT: + default: + $row = $this->rows[$this->cursor] + $arrNum; break; + } + $this->cursor++; + + /* + if ($fetchmode == MDB2_FETCHMODE_OBJECT) { + $row = sqlsrv_fetch_object($this->result,$this->db->options['fetch_class']); + } else { + switch($fetchmode) { + case MDB2_FETCHMODE_ASSOC: $fetchmode = SQLSRV_FETCH_ASSOC; break; + case MDB2_FETCHMODE_ORDERED: $fetchmode = SQLSRV_FETCH_NUMERIC; break; + case MDB2_FETCHMODE_DEFAULT: + default: + $fetchmode = SQLSRV_FETCH_BOTH; + } + $row = sqlsrv_fetch_array($this->result,$fetchmode); + } + foreach ($row as $key=>$value) { + if (is_object($value) && method_exists($value, 'format')) {//is DateTime object + $row[$key] = $value->format("Y-m-d H:i:s"); + } + }*/ + + /*if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + }*/ + if ($fetchmode == MDB2_FETCHMODE_ASSOC && is_array($row) && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $row = array_change_key_case($row, $this->db->options['field_case']); + } + if (!$row) { + if (false === $this->result) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'resultset has already been freed', __FUNCTION__); + return $err; + } + $null = null; + return $null; + } + $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL; + $rtrim = false; + if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) { + if (empty($this->types)) { + $mode += MDB2_PORTABILITY_RTRIM; + } else { + $rtrim = true; + } + } + if ($mode) { + $this->db->_fixResultArrayValues($row, $mode); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed Array variable that holds the names of columns as keys + * or an MDB2 error on failure. + * Some DBMS may not return any columns when the result set + * does not contain any rows. + * @access private + */ + function _getColumnNames() + { + if (!$this->result) { + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, 'no valid statement given', __FUNCTION__); + } + $columns = array(); + foreach ($this->fieldMeta as $col) { + $columns[$col['Name']] = $col['Type']; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + * @access public + */ + function numCols() + { + if (!$this->result) { + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, 'no valid statement given', __FUNCTION__); + } + $cols = $this->numFields; + if (!$cols) { + if (false === $this->result) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'resultset has already been freed', __FUNCTION__); + } + if (null === $this->result) { + return count($this->types); + } + return $this->db->raiseError(null, null, null, + 'Could not get column count', __FUNCTION__); + } + return $cols; + } + + // }}} + // {{{ nextResult() + + /** + * Move the internal result pointer to the next available result + * + * @return true on success, false if there is no more result set or an error object on failure + * @access public + */ + function nextResult() + { + if (false === $this->result) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'resultset has already been freed', __FUNCTION__); + } + if (null === $this->result)) { + return false; + } + $ret = sqlsrv_next_result($this->result); + if ($ret) { + $this->cursor = 0; + $this->rows = array(); + $this->numFields = sqlsrv_num_fields($this->result); + $this->fieldMeta = sqlsrv_field_metadata($this->result); + $this->numRowsAffected = sqlsrv_rows_affected($this->result); + while ($row = sqlsrv_fetch_array($this->result, SQLSRV_FETCH_ASSOC)) { + if ($row !== null) { + if ($this->offset && $this->offset_count < $this->offset) { + $this->offset_count++; + continue; + } + foreach ($row as $k => $v) { + if (is_object($v) && method_exists($v, 'format')) {//DateTime Object + //$v->setTimezone(new DateTimeZone('GMT'));//TS_ISO_8601 with a trailing 'Z' is GMT + $row[$k] = $v->format("Y-m-d H:i:s"); + } + } + $this->rows[] = $row;//read results into memory, cursors are not supported + } + } + $this->rowcnt = count($this->rows); + } + return $ret; + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with $result. + * + * @return boolean true on success, false if $result is invalid + * @access public + */ + function free() + { + if (is_resource($this->result) && $this->db->connection) { + if (!@sqlsrv_free_stmt($this->result)) { + return $this->db->raiseError(null, null, null, + 'Could not free result', __FUNCTION__); + } + } + $this->result = false; + return MDB2_OK; + } + + // }}} + // {{{ function rowCount() + /** + * Returns the actual row number that was last fetched (count from 0) + * @return int + * + * @access public + */ + function rowCount() + { + return $this->cursor; +} + +// }}} + // {{{ function numRows() + +/** + * Returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * + * @access public + */ + function numRows() +{ + return $this->rowcnt; + } + + // }}} + // {{{ function seek($rownum = 0) + + /** + * Seek to a specific row in a result set + * + * @param int number of the row where the data can be found + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * + * @access public + */ + function seek($rownum = 0) + { + $this->cursor = min($rownum, $this->rowcnt); + return MDB2_OK; + } + + // }}} + } + + // }}} +// {{{ class MDB2_BufferedResult_mssql + +/** + * MDB2 MSSQL Server buffered result driver + * + * @package MDB2 + * @category Database + * @author Frank M. Kromann + */ +class MDB2_BufferedResult_sqlsrv extends MDB2_Result_sqlsrv +{ + // {{{ valid() + + /** + * Check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + $numrows = $this->numRows(); + if (PEAR::isError($numrows)) { + return $numrows; + } + return $this->rownum < ($numrows - 1); + } + + // }}} + +} + +// }}} +// {{{ MDB2_Statement_mssql + +/** + * MDB2 MSSQL Server statement driver + * + * @package MDB2 + * @category Database + * @author Frank M. Kromann + */ +class MDB2_Statement_sqlsrv extends MDB2_Statement_Common +{ + +} + +// }}} + +?> \ No newline at end of file -- cgit v1.2.3