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CollectionRemove::__construct — CollectionRemove constructor
Removes collection documents and is instantiated by the mysql_xdevapi\Collection::remove() method.
此函数没有参数。
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();
?>