TableUpdate::limit

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TableUpdate::limit — Limit 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.

范例

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();

?>