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limit.xml
131 lines (120 loc) · 3.38 KB
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limit.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 86e6094e86b84a51d00ab217ac50ce8dde33d82a Maintainer: samesch Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="mysql-xdevapi-collectionmodify.limit" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>CollectionModify::limit</refname>
<refpurpose>Begrenzt die Anzahl der zu ändernden Dokumente</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>mysql_xdevapi\CollectionModify</type><methodname>mysql_xdevapi\CollectionModify::limit</methodname>
<methodparam><type>int</type><parameter>rows</parameter></methodparam>
</methodsynopsis>
<para>
Begrenzt die Anzahl der Dokumente, die durch diesen Vorgang verändert
werden; kann mit skip() kombiniert werden, um die Anzahl der zu
überspringenden Dokumente anzugeben.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>rows</parameter></term>
<listitem>
<para>
Die maximale Anzahl der zu ändernden Dokumente
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Gibt ein CollectionModify-Objekt zurück.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>mysql_xdevapi\CollectionModify::limit</function>-Beispiel</title>
<programlisting role="php">
<![CDATA[
<?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": "Fred", "age": 21, "job": "Construction"}')->execute();
$collection->add('{"name": "Wilma", "age": 23, "job": "Teacher"}')->execute();
$collection->add('{"name": "Betty", "age": 24, "job": "Teacher"}')->execute();
$collection
->modify("job = :job")
->bind(['job' => 'Teacher'])
->set('job', 'Principal')
->limit(1)
->execute();
$result = $collection
->find()
->execute();
print_r($result->fetchAll());
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[0] => Array
(
[_id] => 00005b6b53610000000000000118
[age] => 21
[job] => Construction
[name] => Fred
)
[1] => Array
(
[_id] => 00005b6b53610000000000000119
[age] => 23
[job] => Principal
[name] => Wilma
)
[2] => Array
(
[_id] => 00005b6b5361000000000000011a
[age] => 24
[job] => Teacher
[name] => Betty
)
)
]]>
</screen>
</example>
</refsect1>
</refentry>
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-->