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CollectionRemove::__construct

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CollectionRemove::__constructCollectionRemove constructor

说明

private mysql_xdevapi\CollectionRemove::__construct ( void )

Remove collection documents, and is instantiated by the Collection::remove() method.

参数

此函数没有参数。

范例

Example #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();
?>