TableUpdate::limit

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TableUpdate::limitLimit update row count

说明

public mysql_xdevapi\TableUpdate::limit(int $rows): mysql_xdevapi\TableUpdate

Set the maximum number of records or documents update.

参数

rows

The maximum number of records or documents to update.

返回值

A TableUpdate object.

示例

示例 #1 mysql_xdevapi\TableUpdate::limit() example

<?php
$session
= mysql_xdevapi\getSession("mysqlx://user:password@localhost");

$schema = $session->getSchema("addressbook");
$table = $schema->getTable("names");

$res = $table->update()
->
set('level', 3)
->
where('age > 15 and age < 22')
->
limit(4)
->
orderby(['age asc','name desc'])
->
execute();

?>
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