本文整理匯總了PHP中Illuminate\Database\Query\Grammars\Grammar::compileSavepointRollBack方法的典型用法代碼示例。如果您正苦於以下問題：PHP Grammar::compileSavepointRollBack方法的具體用法？PHP Grammar::compileSavepointRollBack怎麽用？PHP Grammar::compileSavepointRollBack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Illuminate\Database\Query\Grammars\Grammar的用法示例。
在下文中一共展示了Grammar::compileSavepointRollBack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: rollBack
/**
* Rollback the active database transaction.
*
* @return void
*/
public function rollBack()
{
if ($this->transactions == 1) {
$this->getPdo()->rollBack();
} elseif ($this->transactions > 1 && $this->queryGrammar->supportsSavepoints()) {
$this->getPdo()->exec($this->queryGrammar->compileSavepointRollBack('trans' . $this->transactions));
}
$this->transactions = max(0, $this->transactions - 1);
$this->fireConnectionEvent('rollingBack');
}示例2: rollBack
/**
* Rollback the active database transaction.
*
* @param int|null $toLevel
* @return void
*/
public function rollBack($toLevel = null)
{
if (is_null($toLevel)) {
$toLevel = $this->transactions - 1;
}
if ($toLevel < 0 || $toLevel >= $this->transactions) {
return;
}
if ($toLevel == 0) {
$this->getPdo()->rollBack();
} elseif ($this->queryGrammar->supportsSavepoints()) {
$this->getPdo()->exec($this->queryGrammar->compileSavepointRollBack('trans' . ($toLevel + 1)));
}
$this->transactions = $toLevel;
$this->fireConnectionEvent('rollingBack');
}