TableDelete::limit

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TableDelete::limit — Limit deleted rows

说明

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

Sets the maximum number of records or documents to delete.

参数

rows: The maximum number of records or documents to delete.

返回值

TableDelete object.

示例

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

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

$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();
$session->sql("CREATE TABLE addressbook.names(name text, age int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)")->execute();

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

$table->delete()
  ->where("name = :name")
  ->bind(['name' => 'John'])
  ->orderby("age DESC")
  ->limit(1)
  ->execute();

?>