BaseResult::getWarnings

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    BaseResult::getWarnings — Fetch warnings from last operation

    说明

    abstractpublicmysql_xdevapi\BaseResult::getWarnings(): array

    Fetches warnings generated by MySQL server's last operation.

    参数

    此函数没有参数。

    返回值

    An array of Warning objects from the last operation. Each object defines an error 'message', error 'level', and error 'code'. An empty array is returned if no errors are present.

    示例

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

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

    $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();
    $warnings = $res->getWarnings();

    print_r($warnings);
    ?>

    以上示例的输出类似于：

    Array ( [0] => mysql_xdevapi\Warning Object ( [message] => Division by 0 [level] => 2 [code] => 1365 ) [1] => mysql_xdevapi\Warning Object ( [message] => Division by 0 [level] => 2 [code] => 1365 ) )
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