ConFoo 2025

CollectionRemove::__construct

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CollectionRemove::__constructCollectionRemove constructor

说明

private mysql_xdevapi\CollectionRemove::__construct()

Removes collection documents and is instantiated by the mysql_xdevapi\Collection::remove() method.

参数

此函数没有参数。

示例

示例 #1 mysql_xdevapi\Collection::remove() example

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

$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();

$schema = $session->getSchema("addressbook");
$collection = $schema->createCollection("people");

$collection->add('{"name": "Alfred", "age": 18, "job": "Butler"}')->execute();
$collection->add('{"name": "Bob", "age": 19, "job": "Painter"}')->execute();

// Remove all painters
$collection
->remove("job in ('Painter')")
->
execute();

// Remove the oldest butler
$collection
->remove("job in ('Butler')")
->
sort('age desc')
->
limit(1)
->
execute();

// Remove record with lowest age
$collection
->remove('true')
->
sort('age desc')
->
limit(1)
->
execute();
?>
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