Result::getWarningsCount

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Result::getWarningsCount — Get warning count from last operation

说明

public mysql_xdevapi\Result::getWarningsCount ( void ) : integer

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.

范例

Example #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();
?>

以上例程的输出类似于：

2