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    Result::getWarningsCount

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    Result::getWarningsCount — Get warning count from last operation

    说明

    public mysql_xdevapi\Result::getWarningsCount(): int

    Retrieve the number of warnings from the last Result operation.

    参数

    此函数没有参数。

    返回值

    The number of warnings generated by the last operation.

    示例

    示例 #1 mysql_xdevapi\RowResult::getWarningsCount() example

    <?php
    $session     = mysql_xdevapi\getSession("mysqlx://user:password@localhost");

    $session->sql("DROP DATABASE IF EXISTS foo")->execute();
    $session->sql("CREATE DATABASE foo")->execute();
    $session->sql("CREATE TABLE foo.test_table(x int)")->execute();

    $schema = $session->getSchema("foo");
    $table = $schema->getTable("test_table");

    $table->insert(['x'])->values([1])->values([2])->execute();

    $res = $table->select(['x/0 as bad_x'])->execute();

    echo     $res->getWarningsCount();
    ?>

    以上示例的输出类似于：

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