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PHP-496: Added a few examples to MongoDB::command() and clarified result structures.
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@330129 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Derick Rethans
parent
53281c346b
commit
a174aaabf4
1 changed files with 125 additions and 4 deletions
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@ -14,9 +14,10 @@
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<methodparam choice="opt"><type>array</type><parameter>options</parameter><initializer>array()</initializer></methodparam>
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</methodsynopsis>
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<para>
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Almost everything that is not a CRUD operation can be done with a database command.
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Need to know the database version? There's a command for that. Need to do aggregation?
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There's a command for that. Need to turn up logging? You get the idea.
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Almost everything that is not a CRUD operation can be done with a database
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command. Need to know the database version? There's a command for that.
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Need to do aggregation? There's a command for that. Need to turn up
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logging? You get the idea.
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</para>
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<para>
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This method is identical to:
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@ -94,9 +95,15 @@ public function command($data) {
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns database response.
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Returns database response. Every database response is always maximum one
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document, which means that the result of a database command can never
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exceed 16MB. The resulting document's structure depends on the command, but
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most results will have the <literal>ok</literal> field to indicate success
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or failure and <literal>results</literal> containing an array of each of
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the resulting documents.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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@ -131,6 +138,7 @@ foreach ($ages['values'] as $age) {
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87
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</screen>
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</example>
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<example>
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<title><function>MongoDB::command</function> "distinct" example</title>
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<para>
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@ -169,6 +177,7 @@ foreach ($ages['values'] as $age) {
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87
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</screen>
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</example>
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<example>
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<title><function>MongoDB::command</function> MapReduce example</title>
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<para>
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@ -249,10 +258,122 @@ User 4af467e4fd543cce7b0ea8e2 had 1 sale(s).
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on how to use it.
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</para>
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</example>
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<example>
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<title><function>MongoDB::command</function> "textSearch" example</title>
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<para>
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Do a fulltext search lookup with MongoDB's 2.4 and higher "text search"
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functionality.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$m = new MongoClient();
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$d = $m->demo;
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$c = $d->planets;
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$c->insert(array("name" => "Mercury", "desc" => "Mercury is the smallest and closest to the Sun"));
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$c->insert(array("name" => "Venus", "desc" => "Venus is the second planet from the Sun, orbiting it every 224.7 Earth days."));
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$c->insert(array("name" => "Earth", "desc" => "Earth is the the densest of the eight planets in the Solar System."));
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$c->insert(array("name" => "Mars", "desc" => "Mars is named after the Roman god of war."));
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$c->ensureIndex(array('desc' => 'text'));
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$r = $d->command(array("text" => "planets", 'search' => "sun" ));
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print_r($r);
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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Array
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(
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[queryDebugString] => sun||||||
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[language] => english
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[results] => Array
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(
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[0] => Array
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(
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[score] => 0.625
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[obj] => Array
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(
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[_id] => MongoId Object
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(
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[$id] => 517549d944670a4a5cb3059a
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)
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[name] => Mercury
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[desc] => Mercury is the smallest and closest to the Sun
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)
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)
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[1] => Array
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(
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[score] => 0.55
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[obj] => Array
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(
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[_id] => MongoId Object
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(
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[$id] => 517549d944670a4a5cb3059b
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)
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[name] => Venus
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[desc] => Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.
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)
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)
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)
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[stats] => Array
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(
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[nscanned] => 2
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[nscannedObjects] => 0
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[n] => 2
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[nfound] => 2
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[timeMicros] => 95
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)
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[ok] => 1
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)
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</screen>
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</example>
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<example>
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<title><function>MongoDB::command</function> "geoNear" example</title>
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<para>
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This example shows how to use the geoNear command.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$m = new MongoClient();
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$d = $m->demo;
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$c = $d->poiConcat;
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$r = $d->command(array(
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'geoNear' => "poiConcat", // Search in the poiConcat collection
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'near' => array(-0.08, 51.48), // Search near 51.48°N, 0.08°E
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'spherical' => true, // Enable spherical search
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'num' => 5, // Maximum 5 returned documents
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));
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print_r($r);
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?>
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]]>
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</programlisting>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><methodname>MongoCollection::aggregate</methodname></member>
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<member><methodname>MongoCollection::findAndModify</methodname></member>
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<member><methodname>MongoCollection::group</methodname></member>
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</simplelist>
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</para>
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<para>
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MongoDB core docs on
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<link xlink:href="&url.mongodb.dochub.commands;">database commands</link>
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