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added note on mapreduce scoping

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@295181 c90b9560-bf6c-de11-be94-00142212c4b1
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Kristina Chodorow 2010-02-16 19:21:17 +00:00
parent 62c1bb2619
commit 9f2a09bdbf
2 changed files with 21 additions and 3 deletions
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7
reference/mongo/mongocollection/remove.xml
View file

@ -78,6 +78,13 @@ while ($halflife > 0) {
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
MongoDB core docs on <link xlink:href="&url.mongodb.dochub.remove;">remove</link>.
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:

17
reference/mongo/mongodb/command.xml
View file

@ -86,7 +86,7 @@ foreach ($ages['values'] as $age) {
</screen>
</example>
<example>
<title><function>MongoDB::command</function> map/reduce example</title>
<title><function>MongoDB::command</function> MapReduce example</title>
<para>
Get all users with at least on "sale" event, and how many times each
of these users has had a sale.
@ -131,6 +131,18 @@ User 47cc67093475061e3d9536d2 had 3 sale(s).
User 49902cde5162504500b45c2c had 14 sale(s).
User 4af467e4fd543cce7b0ea8e2 had 1 sale(s).
</screen>
<note>
<title>Using <classname>MongoCode</classname></title>
<para>
This example uses <classname>MongoCode</classname>, which can also take a
scope argument. However, at the moment, MongoDB does not support using
scopes in MapReduce. If you would like to use client-side variables in the
MapReduce functions, you can add them to the global scope by using the
optional scope field with the database command. See
<link xlink:href="&url.mongodb.dochub.mapreduce;">MapReduce</link> for more
information.
</para>
</note>
<para>
If you are going to be using MapReduce, Prajwal Tuladhar created an API for
Mongo PHP users which provides a nicer interface than the bare command. You
@ -146,8 +158,7 @@ User 4af467e4fd543cce7b0ea8e2 had 1 sale(s).
<refsect1 role="seealso">
&reftitle.seealso;
<para>
MongoDB core docs on <link xlink:href="&url.mongodb.dochub.commands;">database commands</link>
and <link xlink:href="&url.mongodb.dochub.mapreduce;">MapReduce</link>.
MongoDB core docs on <link xlink:href="&url.mongodb.dochub.commands;">database commands</link>.
</para>
</refsect1>
</refentry>