Start transaction

# Session::startTransaction

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Session::startTransaction — Start transaction

### Description

public function mysql_xdevapi\Session::startTransaction(): void

Start a new transaction.

### Parameters

This function has no parameters.

### Return Values

An SqlStatementResult object.

### Examples

Example #1 mysql_xdevapi\Session::startTransaction() example

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

    $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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