/**
* Rollback or revert to a savepoint if your queries encounter problems
* If you encounter a problem at any point during a transaction, you may
* need to rollback that particular query, or return to a savepoint
*/
public function transactionRollback()
{
$result = sqlsrv_rollback($this->dbConn);
if (!$result) {
$this->databaseError("Couldn't rollback the transaction.");
}
}
public function rollbackTransaction()
{
if ($this->transactionOn) {
//$this->execute('ROLLBACK TRANSACTION');
sqlsrv_rollback($this->connection);
$this->transactionOn = false;
}
}
function trans_rollback()
{
if (!$this->trans_enabled) {
return TRUE;
}
if ($this->_trans_depth > 0) {
return TRUE;
}
return sqlsrv_rollback($this->conn_id);
}
/**
* 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($this->db_connect_id);
break;
}
return true;
}
/**
* 事务回滚
* @access public
* @return boolean
*/
public function rollback()
{
if ($this->transTimes > 0) {
$result = sqlsrv_rollback($this->_linkID);
$this->transTimes = 0;
if (!$result) {
$this->error();
return false;
}
}
return true;
}
/**
* Roll back a transaction and return to autocommit mode.
*
* @return void
* @throws Zend_Db_Adapter_Sqlsrv_Exception
*/
protected function _rollBack()
{
if (!sqlsrv_rollback($this->_connection)) {
require_once 'Zend/Db/Adapter/Sqlsrv/Exception.php';
throw new Zend_Db_Adapter_Sqlsrv_Exception(sqlsrv_errors());
}
}
public function rollback_transaction()
{
sqlsrv_rollback($this->connection);
}
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if (!$this->trans_enabled) {
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0) {
return TRUE;
}
return sqlsrv_rollback($this->conn_id);
}
/**
* Rollback
*/
public function rollback()
{
// http://msdn.microsoft.com/en-us/library/cc296176.aspx
if (!$this->resource) {
throw new Exception\RuntimeException('Must be connected before you can rollback.');
}
return sqlsrv_rollback($this->resource);
}
/**
* Rollbacks started database transaction.
*
* @return void
* @throws \Bitrix\Main\Db\SqlQueryException
*/
public function rollbackTransaction()
{
$this->connectInternal();
sqlsrv_rollback($this->resource);
}
function rollback_trans()
{
sqlsrv_rollback($this->conn);
$this->in_trans = false;
}
/**
* Rollback changes in a transaction.
* @param string optional savepoint name
* @return void
* @throws Dibi\DriverException
*/
public function rollback($savepoint = NULL)
{
sqlsrv_rollback($this->connection);
}
/**
* Roll back a transaction and return to autocommit mode.
*
* @return void
* @throws \Zend\Db\Adapter\SqlsrvException
*/
protected function _rollBack()
{
if (!sqlsrv_rollback($this->_connection)) {
throw new SqlsrvException(sqlsrv_errors());
}
}
/**
* Execute data manipulation statement, then roll it back
* @param $type
* @param $table
* @param $query
* @return string
*/
protected function verifyGenericQueryRollback($type, $table, $query)
{
$this->log->debug("verifying {$type} statement");
if (!sqlsrv_begin_transaction($this->database)) {
return "Failed to create transaction";
}
$this->query($query, false);
$error = $this->lastError();
sqlsrv_rollback($this->database);
return $error;
}
/**
* Rolls back the sql transaction.
*
* @return boolean (Returns TRUE on success or FALSE on failure.)
*/
function dbTransactionRollback()
{
return sqlsrv_rollback(Database::getConnection());
// Rolls back a transaction.
}
/**
* Rollback a transaction.
* No-op on non-transactional databases.
*/
protected function doRollback($fname = __METHOD__)
{
sqlsrv_rollback($this->mConn);
$this->mTrxLevel = 0;
}
/**
* Driver specific abort of real database transaction,
* this can not be used directly in code.
* @return void
*/
protected function rollback_transaction()
{
$this->query_start('native sqlsrv_rollback', NULL, SQL_QUERY_AUX);
$result = sqlsrv_rollback($this->sqlsrv);
$this->query_end($result);
}
/**
* Rollback a transaction
*
* @return boolean
*/
public function rollBack()
{
return sqlsrv_rollback($this->connection);
}
/**
* @brief 롤백
**/
function rollback()
{
if ($this->is_connected == false || !$this->transaction_started) {
return;
}
$this->transaction_started = false;
sqlsrv_rollback($this->conn);
}
/**
* DB transaction rollback
* this method is private
* @return boolean
*/
function _rollback($transactionLevel = 0)
{
$connection = $this->_getConnection('master');
$point = $transactionLevel - 1;
if ($point) {
$this->_query("ROLLBACK TRANS SP" . $point, $connection);
} else {
sqlsrv_rollback($connection);
}
return true;
}
protected function _rollback()
{
return sqlsrv_rollback($this->handle);
}
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
return sqlsrv_rollback($this->conn_id);
}
/**
* 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 (MDB2::isError(sqlsrv_rollback($this->connection))) {
return MDB2_ERROR;
}
$this->in_transaction = false;
return MDB2_OK;
}
/**
* Rollback a transaction.
* No-op on non-transactional databases.
*/
function rollback($fname = 'DatabaseMssql::rollback')
{
sqlsrv_rollback($this->mConn);
$this->mTrxLevel = 0;
}
/**
* {@inheritDoc}
*/
public function rollBack()
{
if (!sqlsrv_rollback($this->conn)) {
throw SQLSrvException::fromSqlSrvErrors();
}
}
/**
* Makes sure each database and extension handles BEGIN, COMMIT and ROLLBACK
*
* @param string|fStatement &$statement The SQL to check for a transaction query
* @param string $result_class The type of result object to create
* @return mixed `FALSE` if normal processing should continue, otherwise an object of the type $result_class
*/
private function handleTransactionQueries(&$statement, $result_class)
{
if (is_object($statement)) {
$sql = $statement->getSQL();
} else {
$sql = $statement;
}
// SQL Server supports transactions, but the statements are slightly different.
// For the interest of convenience, we do simple transaction right here.
if ($this->type == 'mssql') {
if (preg_match('#^\\s*(BEGIN|START(\\s+TRANSACTION)?)\\s*$#i', $sql)) {
$statement = 'BEGIN TRANSACTION';
} elseif (preg_match('#^\\s*SAVEPOINT\\s+("?\\w+"?)\\s*$#i', $sql, $match)) {
$statement = 'SAVE TRANSACTION ' . $match[1];
} elseif (preg_match('#^\\s*ROLLBACK\\s+TO\\s+SAVEPOINT\\s+("?\\w+"?)\\s*$#i', $sql, $match)) {
$statement = 'ROLLBACK TRANSACTION ' . $match[1];
}
}
$begin = FALSE;
$commit = FALSE;
$rollback = FALSE;
// Track transactions since most databases don't support nesting
if (preg_match('#^\\s*(BEGIN|START)(\\s+(TRAN|TRANSACTION|WORK))?\\s*$#iD', $sql)) {
if ($this->inside_transaction) {
throw new fProgrammerException('A transaction is already in progress');
}
$this->inside_transaction = TRUE;
$begin = TRUE;
} elseif (preg_match('#^\\s*COMMIT(\\s+(TRAN|TRANSACTION|WORK))?\\s*$#iD', $sql)) {
if (!$this->inside_transaction) {
throw new fProgrammerException('There is no transaction in progress');
}
$this->inside_transaction = FALSE;
$commit = TRUE;
} elseif (preg_match('#^\\s*ROLLBACK(\\s+(TRAN|TRANSACTION|WORK))?\\s*$#iD', $sql)) {
if (!$this->inside_transaction) {
throw new fProgrammerException('There is no transaction in progress');
}
$this->inside_transaction = FALSE;
$rollback = TRUE;
// MySQL needs to use this construct for starting transactions when using LOCK tables
} elseif ($this->type == 'mysql' && preg_match('#^\\s*SET\\s+autocommit\\s*=\\s*(0|1)#i', $sql, $match)) {
$this->inside_transaction = TRUE;
if ($match[1] == '0') {
$this->schema_info['mysql_autocommit'] = TRUE;
} else {
unset($this->schema_info['mysql_autocommit']);
}
// We have to track LOCK TABLES for MySQL because UNLOCK TABLES only implicitly commits if LOCK TABLES was used
} elseif ($this->type == 'mysql' && preg_match('#^\\s*LOCK\\s+TABLES#i', $sql)) {
// This command always implicitly commits
$this->inside_transaction = FALSE;
$this->schema_info['mysql_lock_tables'] = TRUE;
// MySQL has complex handling of UNLOCK TABLES
} elseif ($this->type == 'mysql' && preg_match('#^\\s*UNLOCK\\s+TABLES#i', $sql)) {
// This command only implicitly commits if LOCK TABLES was used
if (isset($this->schema_info['mysql_lock_tables'])) {
$this->inside_transaction = FALSE;
}
unset($this->schema_info['mysql_lock_tables']);
// These databases issue implicit commit commands when the following statements are run
} elseif ($this->type == 'mysql' && preg_match('#^\\s*(ALTER|CREATE(?!\\s+TEMPORARY)|DROP|RENAME|TRUNCATE|LOAD|UNLOCK|GRANT|REVOKE|SET\\s+PASSWORD|CACHE|ANALYSE|CHECK|OPTIMIZE|REPAIR|FLUSH|RESET)\\b#i', $sql)) {
$this->inside_transaction = FALSE;
} elseif ($this->type == 'oracle' && preg_match('#^\\s*(CREATE|ALTER|DROP|TRUNCATE|GRANT|REVOKE|REPLACE|ANALYZE|AUDIT|COMMENT)\\b#i', $sql)) {
$this->inside_transaction = FALSE;
} elseif ($this->type == 'db2' && preg_match('#^\\s*CALL\\s+SYSPROC\\.ADMIN_CMD\\(\'REORG\\s+TABLE\\b#i', $sql)) {
$this->inside_transaction = FALSE;
// It appears PDO tracks the transactions, but doesn't know about implicit commits
if ($this->extension == 'pdo') {
$this->connection->commit();
}
}
// If MySQL autocommit it set to 0 a new transaction is automatically started
if (!empty($this->schema_info['mysql_autocommit'])) {
$this->inside_transaction = TRUE;
}
if (!$begin && !$commit && !$rollback) {
return FALSE;
}
// The PDO, OCI8 and SQLSRV extensions require special handling through methods and functions
$is_pdo = $this->extension == 'pdo';
$is_oci = $this->extension == 'oci8';
$is_sqlsrv = $this->extension == 'sqlsrv';
$is_ibm_db2 = $this->extension == 'ibm_db2';
if (!$is_pdo && !$is_oci && !$is_sqlsrv && !$is_ibm_db2) {
return FALSE;
}
$this->statement = $statement;
// PDO seems to act weird if you try to start transactions through a normal query call
if ($is_pdo) {
try {
$is_mssql = $this->type == 'mssql';
$is_oracle = $this->type == 'oracle';
if ($begin) {
// The SQL Server PDO object hasn't implemented transactions
if ($is_mssql) {
$this->connection->exec('BEGIN TRANSACTION');
} elseif ($is_oracle) {
$this->connection->setAttribute(PDO::ATTR_AUTOCOMMIT, FALSE);
} else {
$this->connection->beginTransaction();
}
} elseif ($commit) {
if ($is_mssql) {
$this->connection->exec('COMMIT');
} elseif ($is_oracle) {
$this->connection->exec('COMMIT');
$this->connection->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE);
} else {
$this->connection->commit();
}
} elseif ($rollback) {
if ($is_mssql) {
$this->connection->exec('ROLLBACK');
} elseif ($is_oracle) {
$this->connection->exec('ROLLBACK');
$this->connection->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE);
} else {
$this->connection->rollBack();
}
}
} catch (Exception $e) {
$db_type_map = array('db2' => 'DB2', 'mssql' => 'MSSQL', 'mysql' => 'MySQL', 'oracle' => 'Oracle', 'postgresql' => 'PostgreSQL', 'sqlite' => 'SQLite');
throw new fSQLException('%1$s error (%2$s) in %3$s', $db_type_map[$this->type], $e->getMessage(), $sql);
}
} elseif ($is_oci) {
if ($commit) {
oci_commit($this->connection);
} elseif ($rollback) {
oci_rollback($this->connection);
}
} elseif ($is_sqlsrv) {
if ($begin) {
sqlsrv_begin_transaction($this->connection);
} elseif ($commit) {
sqlsrv_commit($this->connection);
} elseif ($rollback) {
sqlsrv_rollback($this->connection);
}
} elseif ($is_ibm_db2) {
if ($begin) {
db2_autocommit($this->connection, FALSE);
} elseif ($commit) {
db2_commit($this->connection);
db2_autocommit($this->connection, TRUE);
} elseif ($rollback) {
db2_rollback($this->connection);
db2_autocommit($this->connection, TRUE);
}
}
if ($result_class) {
$result = new $result_class($this);
$result->setSQL($sql);
$result->setResult(TRUE);
return $result;
}
return TRUE;
}
function RollbackTrans()
{
if ($this->transOff) {
return true;
}
if ($this->debug) {
error_log('<hr>rollback transaction');
}
if ($this->transCnt) {
$this->transCnt -= 1;
}
sqlsrv_rollback($this->_connectionID);
return true;
}
/**
* Rollback or revert to a savepoint if your queries encounter problems
* If you encounter a problem at any point during a transaction, you may
* need to rollback that particular query, or return to a savepoint
*/
public function transactionRollback($savepoint = false)
{
if ($savepoint) {
DB::query("ROLLBACK TRANSACTION \"{$savepoint}\"");
} else {
if ($this->mssql) {
DB::query('ROLLBACK TRANSACTION');
} else {
$result = sqlsrv_rollback($this->dbConn);
if (!$result) {
$this->databaseError("Couldn't rollback the transaction.", E_USER_ERROR);
}
}
}
}
/**
* Makes sure each database and extension handles BEGIN, COMMIT and ROLLBACK
*
* @param string &$sql The SQL to check for a transaction query
* @param string $result_class The type of result object to create
* @return mixed `FALSE` if normal processing should continue, otherwise an object of the type $result_class
*/
private function handleTransactionQueries(&$sql, $result_class)
{
// SQL Server supports transactions, but starts then with BEGIN TRANSACTION
if ($this->type == 'mssql' && preg_match('#^\\s*(begin|start(\\s+transaction)?)\\s*#i', $sql)) {
$sql = 'BEGIN TRANSACTION';
}
$begin = FALSE;
$commit = FALSE;
$rollback = FALSE;
// Track transactions since most databases don't support nesting
if (preg_match('#^\\s*(begin|start)(\\s+(transaction|work))?\\s*$#iD', $sql)) {
if ($this->inside_transaction) {
throw new fProgrammerException('A transaction is already in progress');
}
$this->inside_transaction = TRUE;
$begin = TRUE;
} elseif (preg_match('#^\\s*(commit)(\\s+(transaction|work))?\\s*$#iD', $sql)) {
if (!$this->inside_transaction) {
throw new fProgrammerException('There is no transaction in progress');
}
$this->inside_transaction = FALSE;
$commit = TRUE;
} elseif (preg_match('#^\\s*(rollback)(\\s+(transaction|work))?\\s*$#iD', $sql)) {
if (!$this->inside_transaction) {
throw new fProgrammerException('There is no transaction in progress');
}
$this->inside_transaction = FALSE;
$rollback = TRUE;
}
if (!$begin && !$commit && !$rollback) {
return FALSE;
}
// The PDO, OCI8 and SQLSRV extensions require special handling through methods and functions
$is_pdo = $this->extension == 'pdo';
$is_oci = $this->extension == 'oci8';
$is_sqlsrv = $this->extension == 'sqlsrv';
$is_ibm_db2 = $this->extension == 'ibm_db2';
if (!$is_pdo && !$is_oci && !$is_sqlsrv && !$is_ibm_db2) {
return FALSE;
}
$this->statement = $sql;
// PDO seems to act weird if you try to start transactions through a normal query call
if ($is_pdo) {
try {
$is_mssql = $this->type == 'mssql' && substr($this->database, 0, 4) != 'dsn:';
$is_oracle = $this->type == 'oracle' && substr($this->database, 0, 4) != 'dsn:';
if ($begin) {
// The SQL Server PDO object hasn't implemented transactions
if ($is_mssql) {
$this->connection->exec('BEGIN TRANSACTION');
} elseif ($is_oracle) {
$this->connection->setAttribute(PDO::ATTR_AUTOCOMMIT, FALSE);
} else {
$this->connection->beginTransaction();
}
} elseif ($commit) {
if ($is_mssql) {
$this->connection->exec('COMMIT');
} elseif ($is_oracle) {
$this->connection->exec('COMMIT');
$this->connection->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE);
} else {
$this->connection->commit();
}
} elseif ($rollback) {
if ($is_mssql) {
$this->connection->exec('ROLLBACK');
} elseif ($is_oracle) {
$this->connection->exec('ROLLBACK');
$this->connection->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE);
} else {
$this->connection->rollBack();
}
}
} catch (Exception $e) {
$db_type_map = array('db2' => 'DB2', 'mssql' => 'MSSQL', 'mysql' => 'MySQL', 'oracle' => 'Oracle', 'postgresql' => 'PostgreSQL', 'sqlite' => 'SQLite');
throw new fSQLException('%1$s error (%2$s) in %3$s', $db_type_map[$this->type], $e->getMessage(), $sql);
}
} elseif ($is_oci) {
if ($commit) {
oci_commit($this->connection);
} elseif ($rollback) {
oci_rollback($this->connection);
}
} elseif ($is_sqlsrv) {
if ($begin) {
sqlsrv_begin_transaction($this->connection);
} elseif ($commit) {
sqlsrv_commit($this->connection);
} elseif ($rollback) {
sqlsrv_rollback($this->connection);
}
} elseif ($is_ibm_db2) {
if ($begin) {
db2_autocommit($this->connection, FALSE);
} elseif ($commit) {
db2_commit($this->connection);
db2_autocommit($this->connection, TRUE);
} elseif ($rollback) {
db2_rollback($this->connection);
db2_autocommit($this->connection, TRUE);
}
}
if ($result_class) {
$result = new $result_class($this);
$result->setSQL($sql);
$result->setResult(TRUE);
return $result;
}
return TRUE;
}
/**
+----------------------------------------------------------
* 事务回滚
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @return boolen
+----------------------------------------------------------
*/
public function rollback()
{
if ($this->transTimes > 0) {
$result = sqlsrv_rollback($this->_linkID);
$this->transTimes = 0;
if (!$result) {
throw_exception($this->error());
}
}
return true;
}
