PHP - Manual: TableDelete::limit
2024-11-13
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TableDelete::limit — Limit deleted rows
Sets the maximum number of records or documents to delete.
rows
The maximum number of records or documents to delete.
TableDelete object.
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();
?>
官方地址:https://www.php.net/manual/en/mysql-xdevapi-tabledelete.limit.php