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    Session::setSavepoint

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    Session::setSavepoint — Create savepoint

    说明

    public mysql_xdevapi\Session::setSavepoint(string $name = ?): string

    Create a new savepoint for the transaction.

    警告

    本函数还未编写文档，仅有参数列表。

    参数

    name

    The name of the savepoint. The name is auto-generated if the optional name parameter is not defined as 'SAVEPOINT1', 'SAVEPOINT2', and so on.

    返回值

    The name of the save point.

    示例

    示例 #1 mysql_xdevapi\Session::setSavepoint() example

    <?php
    $session     = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
    $collection = $session->getSchema("addressbook")->getCollection("names");

    $session->startTransaction();
    $collection->add( '{"test1":1, "test2":2}' )->execute();

    $savepoint = $session->setSavepoint();

    $collection->add( '{"test3":3, "test4":4}' )->execute();

    $session->releaseSavepoint($savepoint);
    $session->rollback();
    ?>
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