svn: /phpdoc/en/trunk/reference/mongo/mongodb/ command.xml

kristina Thu, 07 Apr 2011 21:42:59 +0000 Revision: http://svn.php.net/viewvc?view=revision&revision=310025 Log: added out option Changed paths: U phpdoc/en/trunk/reference/mongo/mongodb/command.xml Modified: phpdoc/en/trunk/reference/mongo/mongodb/command.xml =================================================================== --- phpdoc/en/trunk/reference/mongo/mongodb/command.xml 2011-04-07 21:39:16 UTC (rev 310024) +++ phpdoc/en/trunk/reference/mongo/mongodb/command.xml 2011-04-07 21:42:59 UTC (rev 310025) @@ -144,7 +144,8 @@ "mapreduce" => "events", "map" => $map, "reduce" => $reduce, - "query" => array("type" => "sale"))); + "query" => array("type" => "sale"), + "out" => array("merge" => "eventCounts"))); $users = $db->selectCollection($sales['result'])->find(); @@ -168,11 +169,22 @@ 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. + optional scope field with the database command. See the + <link xlink:href="&url.mongodb.dochub.mapreduce;">MapReduce documentation</link> + for more information. </para> </note> + <note> + <title>The <literal>out</literal> argument</title> + <para> + Before 1.8.0, the <literal>out</literal> argument was optional. If you did + not use it, MapReduce results would be written to a temporary collection, + which would be deleted when your connection was closed. In 1.8.0+, the + <literal>out</literal> argument is required. See the + <link xlink:href="&url.mongodb.dochub.mapreduce;">MapReduce documentation</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