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BaseResult::getWarnings

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BaseResult::getWarningsFetch warnings from last operation

说明

abstract public mysql_xdevapi\BaseResult::getWarnings ( void ) : 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.

范例

Example #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);
?>

以上例程的输出类似于:

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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