BaseResult::getWarningsCount

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BaseResult::getWarningsCount — Fetch warning count from last operation

說明

abstract public mysql_xdevapi\BaseResult::getWarningsCount(): int

Returns the number of warnings raised by the last operation. Specifically, these warnings are raised by the MySQL server.

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

The number of warnings from the last operation.

范例

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();
?>

以上例程的輸出類似于：

2