# RowResult::getWarningsCount

(No version information available, might only be in Git)

RowResult::getWarningsCount — Get warning count from last operation

### 说明

public mysql_xdevapi\RowResult::getWarningsCount(): int

Retrieve the number of warnings from the last RowResult 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：

    2

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open