BaseResult::getWarningsCount

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BaseResult::getWarningsCountFetch warning count from last operation

说明

abstract public mysql_xdevapi\BaseResult::getWarningsCount ( void ) : integer

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

参数

此函数没有参数。

返回值

The number of warnings from 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:

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