本文整理汇总了PHP中Illuminate\Database\Query\Grammars\Grammar::supportsSavepoints方法的典型用法代码示例。如果您正苦于以下问题：PHP Grammar::supportsSavepoints方法的具体用法？PHP Grammar::supportsSavepoints怎么用？PHP Grammar::supportsSavepoints使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Illuminate\Database\Query\Grammars\Grammar的用法示例。
在下文中一共展示了Grammar::supportsSavepoints方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
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');
}