function Rollback()
{
$this->DoConnect();
odbc_rollback($this->db_Conn);
//$this->Query("rollback", false, "FILE: ".__FILE__."<br> LINE: ".__LINE__);
odbc_autocommit($this->db_Conn, true);
}
/**
* rollback the sql transaction
*
*/
protected function rollbackTransaction()
{
if (self::$transactionStarted[$this->datastore] == true) {
if (!odbc_rollback($this->con)) {
throw new Exception('unable to rollback transaction: ' . odbc_errormsg($this->con));
}
self::$transactionStarted[$this->datastore] = false;
}
}
/**
* SQL Transaction
* @access: private
*/
function _sql_transaction($status = 'begin')
{
switch ($status) {
case 'begin':
return @odbc_autocommit($this->db_connect_id, false);
break;
case 'commit':
$result = @odbc_commit($this->db_connect_id);
@odbc_autocommit($this->db_connect_id, true);
return $result;
break;
case 'rollback':
$result = @odbc_rollback($this->db_connect_id);
@odbc_autocommit($this->db_connect_id, true);
return $result;
break;
}
return true;
}
/**
* Rollback a transaction
*
* @param unknown_type $model
* @return boolean True on success, false on fail
* (i.e. if the database/model does not support transactions,
* or a transaction has not started).
*/
function rollback(&$model)
{
if (parent::rollback($model)) {
$this->_transactionStarted = false;
return odbc_rollback($this->connection);
}
return false;
}
/**
* Executes given SQL statement.
*
* @param string $sql SQL statement
* @return resource Result resource identifier
* @access protected
*/
function _execute($sql)
{
switch ($sql) {
case 'BEGIN':
return odbc_autocommit($this->connection, false);
case 'COMMIT':
return odbc_commit($this->connection);
case 'ROLLBACK':
return odbc_rollback($this->connection);
}
// TODO: should flags be set? possible requirement: SQL_CURSOR_STATIC
return odbc_exec($this->connection, $sql);
}
function rollback()
{
//5.3.0
return odbc_rollback($this->_LINK);
}
/**
* Rollback Transaction
*
* @return bool
*/
public function trans_rollback()
{
// When transactions are nested we only begin/commit/rollback the outermost ones
if (!$this->trans_enabled or $this->_trans_depth > 0) {
return TRUE;
}
$ret = odbc_rollback($this->conn_id);
odbc_autocommit($this->conn_id, TRUE);
return $ret;
}
function RollbackTrans()
{
if ($this->transOff) {
return true;
}
if ($this->transCnt) {
$this->transCnt -= 1;
}
$this->_autocommit = true;
$ret = odbc_rollback($this->_connectionID);
odbc_autocommit($this->_connectionID, true);
return $ret;
}
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if (odbc_rollback($this->conn_id)) {
odbc_autocommit($this->conn_id, TRUE);
return TRUE;
}
return FALSE;
}
/**
* Makes sure each database and extension handles BEGIN, COMMIT and ROLLBACK
*
* @param string &$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, ODBC and SQLSRV extensions require special handling through methods and functions
$is_pdo = $this->extension == 'pdo';
$is_oci = $this->extension == 'oci8';
$is_odbc = $this->extension == 'odbc';
$is_sqlsrv = $this->extension == 'sqlsrv';
if (!$is_pdo && !$is_oci && !$is_odbc && !$is_sqlsrv) {
return FALSE;
}
// PDO seems to act weird if you try to start transactions through a normal query call
if ($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) {
$db_type_map = array('mssql' => 'MSSQL', 'mysql' => 'MySQL', 'oracle' => 'Oracle', 'postgresql' => 'PostgreSQL', 'sqlite' => 'SQLite');
throw new fSQLException('%1$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 ($is_odbc) {
if ($begin) {
odbc_autocommit($this->connection, FALSE);
} elseif ($commit) {
odbc_commit($this->connection);
odbc_autocommit($this->connection, TRUE);
} elseif ($rollback) {
odbc_rollback($this->connection);
odbc_autocommit($this->connection, TRUE);
}
} elseif ($is_sqlsrv) {
if ($begin) {
sqlsrv_begin_transaction($this->connection);
} elseif ($commit) {
sqlsrv_commit($this->connection);
} elseif ($rollback) {
sqlsrv_rollback($this->connection);
}
}
$result = new $result_class($this);
$result->setSQL($sql);
$result->setResult(TRUE);
return $result;
}
/**
* Roll back transaction
*
* @throws VerticaException
* @author Sergii Katrych <*****@*****.**>
*/
public function rollback()
{
$result = odbc_rollback($this->getConnection());
if (false === $result) {
throw new VerticaException("Failed to RollBack transaction due to " . odbc_errormsg($this->getConnection()), odbc_error($this->getConnection()));
}
}
public function rollback()
{
odbc_rollback($this->_con);
}
/**
* Rollback queries without ending the transaction
*/
public function rollback()
{
switch ($this->mode) {
case "mysql":
$result = $this->server->rollback();
break;
case "postgres":
case "redshift":
$result = $this->query("ROLLBACK");
break;
case "odbc":
$result = odbc_rollback($this->server);
break;
default:
throw new \Exception("rollback() not supported in this mode (" . $this->mode . ")");
}
if (!$result) {
$this->error();
}
return true;
}
function rollback()
{
odbc_rollback($this->connection);
odbc_autocommit($this->connection, true);
}
function RollbackTrans()
{
$ret = odbc_rollback($this->_connectionID);
odbc_autocommit($this->_connectionID, true);
return $ret;
}
if ($rh == NULL) {
echo odbc_errormsg($r);
exit(1);
}
$rh = odbc_exec($r, "INSERT INTO innotable SET idx=300");
if ($rh == NULL) {
echo odbc_errormsg($r);
exit(1);
}
odbc_autocommit($r, false);
$rh = odbc_exec($r, "INSERT INTO innotable SET idx=500");
if ($rh == NULL) {
echo odbc_errormsg($r);
exit(1);
}
odbc_rollback($r);
$rh = odbc_exec($r, "SELECT * FROM innotable");
if ($rh == NULL) {
echo odbc_errormsg($r);
exit(1);
}
// fetch
while ($rr = odbc_fetch_array($rh)) {
var_dump($rr);
}
$rh = odbc_exec($r, "INSERT INTO innotable SET idx=700");
if ($rh == NULL) {
echo odbc_errormsg($r);
exit(1);
}
odbc_commit($r);
function RollbackTransaction()
{
if ($this->auto_commit) {
return $this->SetError("Rollback transaction", "transactions can not be rolled back when changes are auto commited");
}
if (!@odbc_rollback($this->connection)) {
return $this->SetODBCError("Rollback transaction", "Could not rollback the current transaction", $php_errormsg);
}
return 1;
}
public function transRollback()
{
$rollback = odbc_rollback($this->connect);
odbc_autocommit($this->connect, true);
return $rollback;
}
/**
* Rollback Transaction.
*
* @return bool
*/
protected function _trans_rollback()
{
if (odbc_rollback($this->conn_id)) {
odbc_autocommit($this->conn_id, true);
return true;
}
return false;
}
function sql_query($query = "", $transaction = FALSE)
{
if ($query != "") {
$this->num_queries++;
if ($transaction == BEGIN_TRANSACTION && !$this->in_transaction) {
if (!odbc_autocommit($this->db_connect_id, false)) {
return false;
}
$this->in_transaction = TRUE;
}
if (preg_match("/^SELECT(.*?)(LIMIT ([0-9]+)[, ]*([0-9]+)*)?\$/s", $query, $limits)) {
$query = $limits[1];
if (!empty($limits[2])) {
$row_offset = $limits[4] ? $limits[3] : "";
$num_rows = $limits[4] ? $limits[4] : $limits[3];
$query = "TOP " . ($row_offset + $num_rows) . $query;
}
$this->result = odbc_exec($this->db_connect_id, "SELECT {$query}");
if ($this->result) {
if (empty($this->field_names[$this->result])) {
for ($i = 1; $i < odbc_num_fields($this->result) + 1; $i++) {
$this->field_names[$this->result][] = odbc_field_name($this->result, $i);
$this->field_types[$this->result][] = odbc_field_type($this->result, $i);
}
}
$this->current_row[$this->result] = 0;
$this->result_rowset[$this->result] = array();
$row_outer = isset($row_offset) ? $row_offset + 1 : 1;
$row_outer_max = isset($num_rows) ? $row_offset + $num_rows + 1 : 1000000000.0;
$row_inner = 0;
while (odbc_fetch_row($this->result, $row_outer) && $row_outer < $row_outer_max) {
for ($j = 0; $j < count($this->field_names[$this->result]); $j++) {
$this->result_rowset[$this->result][$row_inner][$this->field_names[$this->result][$j]] = stripslashes(odbc_result($this->result, $j + 1));
}
$row_outer++;
$row_inner++;
}
$this->num_rows[$this->result] = count($this->result_rowset[$this->result]);
}
} else {
if (eregi("^INSERT ", $query)) {
$this->result = odbc_exec($this->db_connect_id, $query);
if ($this->result) {
$result_id = odbc_exec($this->db_connect_id, "SELECT @@IDENTITY");
if ($result_id) {
if (odbc_fetch_row($result_id)) {
$this->next_id[$this->db_connect_id] = odbc_result($result_id, 1);
$this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result);
}
}
}
} else {
$this->result = odbc_exec($this->db_connect_id, $query);
if ($this->result) {
$this->affected_rows[$this->db_connect_id] = odbc_num_rows($this->result);
}
}
}
if (!$this->result) {
if ($this->in_transaction) {
odbc_rollback($this->db_connect_id);
odbc_autocommit($this->db_connect_id, true);
$this->in_transaction = FALSE;
}
return false;
}
if ($transaction == END_TRANSACTION && $this->in_transaction) {
$this->in_transaction = FALSE;
if (!odbc_commit($this->db_connect_id)) {
odbc_rollback($this->db_connect_id);
odbc_autocommit($this->db_connect_id, true);
return false;
}
odbc_autocommit($this->db_connect_id, true);
}
odbc_free_result($this->result);
return $this->result;
} else {
if ($transaction == END_TRANSACTION && $this->in_transaction) {
$this->in_transaction = FALSE;
if (!@odbc_commit($this->db_connect_id)) {
odbc_rollback($this->db_connect_id);
odbc_autocommit($this->db_connect_id, true);
return false;
}
odbc_autocommit($this->db_connect_id, true);
}
return true;
}
}
/**
* Roll back (undo) the current transaction.
* @throws SQLException
* @return void
*/
protected function rollbackTrans()
{
if ($this->adapter->supportsTransactions()) {
$result = @odbc_rollback($this->dblink);
if (!$result) {
throw new SQLException('Could not rollback transaction', $this->nativeError());
}
@odbc_autocommit($this->dblink, true);
if (odbc_error($this->dblink) == 'S1C00') {
throw new SQLException('Could not rollback transaction (autocommit failed)', $this->nativeError());
}
}
}
function rollback()
{
if (!@odbc_rollback($this->connection)) {
return $this->odbcRaiseError();
}
return DB_OK;
}
/**
* Rollback changes in a transaction.
* @return void
* @throws DibiDriverException
*/
public function rollback()
{
if (!odbc_rollback($this->connection)) {
$this->throwException();
}
odbc_autocommit($this->connection, TRUE);
}
/**
* Rollback changes in a transaction.
* @param string optinal savepoint name
* @return void
* @throws DibiDriverException
*/
public function rollback($savepoint = NULL)
{
if (!odbc_rollback($this->connection)) {
throw new DibiDriverException(odbc_errormsg($this->connection) . ' ' . odbc_error($this->connection));
}
odbc_autocommit($this->connection, TRUE);
}
function sql_transaction($status = 'begin')
{
switch ($status) {
case 'begin':
$result = @odbc_autocommit($this->db_connect_id, false);
$this->transaction = true;
break;
case 'commit':
$result = @odbc_commit($this->db_connect_id);
@odbc_autocommit($this->db_connect_id, true);
$this->transaction = false;
if (!$result) {
@odbc_rollback($this->db_connect_id);
@odbc_autocommit($this->db_connect_id, true);
}
break;
case 'rollback':
$result = @odbc_rollback($this->db_connect_id);
@odbc_autocommit($this->db_connect_id, true);
$this->transaction = false;
break;
default:
$result = true;
}
return $result;
}
