本文整理匯總了PHP中JDatabase::transactionStart方法的典型用法代碼示例。如果您正苦於以下問題：PHP JDatabase::transactionStart方法的具體用法？PHP JDatabase::transactionStart怎麽用？PHP JDatabase::transactionStart使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類JDatabase的用法示例。
在下文中一共展示了JDatabase::transactionStart方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: transactionStart
/**
* Method to initialize a transaction.
*
* @param boolean $asSavepoint If true and a transaction is already active, a savepoint will be created.
* @return self Returns this object to support chaining.
*
* @throws \RuntimeException
*/
public function transactionStart($asSavepoint = false)
{
if (version_compare($this->cmsRelease, '3.2', '>=')) {
$this->_db->transactionStart($asSavepoint);
} else {
if (!$asSavepoint || !$this->transactionDepth) {
if ($this->query('START TRANSACTION')) {
$this->transactionDepth = 1;
}
return $this;
}
$savepoint = 'SP_' . $this->transactionDepth;
if ($this->query('SAVEPOINT ' . $this->nameQuote($savepoint))) {
$this->transactionDepth++;
}
}
return $this;
}示例2: doUpdate
/**
* Method to update an object in the database.
*
* @return void
*
* @since 12.1
* @throws RuntimeException
*/
protected function doUpdate()
{
// Get the primary key.
$primaryKey = $this->getTableKey('primary', 'primary');
try {
// Start a transaction.
$this->db->transactionStart();
// Update the data for each table.
foreach ($this->tables as $alias => $table) {
// Store the data to the database.
$dump = $this->dumpTable($alias);
$this->db->updateObject($table, $dump, $primaryKey);
}
// Commit the transaction.
$this->db->transactionCommit();
} catch (RuntimeException $error) {
// Rollback the transaction.
$this->db->transactionRollback();
// Rethrow the error.
throw $error;
}
}