mirror of
https://github.com/sigmasternchen/php-doc-en
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dd07341fae
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@343888 c90b9560-bf6c-de11-be94-00142212c4b1
130 lines
3.1 KiB
XML
130 lines
3.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="mongocursor.doquery" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>MongoCursor::doQuery</refname>
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<refpurpose>Execute the query</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<modifier>protected</modifier> <type>void</type><methodname>MongoCursor::doQuery</methodname>
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<void/>
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</methodsynopsis>
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<warning>
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<para>
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Please do not use me.
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</para>
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</warning>
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<para>
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This function actually queries the database. All queries and commands go
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through this function. Thus, this function can be overridden to provide
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custom query handling.
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</para>
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<para>
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This handles serializing your query, sending it to the database, receiving a
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response, and deserializing it. Thus, if you are planning to override this,
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your code should probably call out to the original to use the existing
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functionality (see the example below).
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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&no.function.parameters;
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&null;.
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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Throws <classname>MongoConnectionException</classname> if it cannot reach the
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database.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>1.2.11</entry>
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<entry>Emits <constant>E_DEPRECATED</constant> when used.</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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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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<para>
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<example xml:id="mongocursor.doquery.example.basic"><!-- {{{ -->
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<title><function>MongoCursor::doQuery</function> example</title>
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<para>
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You could override this function to attempt a query on a secondary and, if
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that fails, try it again on the primary.
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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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class MyCursor extends MongoCursor {
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protected function doQuery() {
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$this->slaveOkay();
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try {
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MongoCursor::doQuery();
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}
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catch(MongoCursorException $e) {
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$this->slaveOkay(false);
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MongoCursor::doQuery();
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}
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}
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}
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?>
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]]>
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</programlisting>
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</example><!-- }}} -->
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</para>
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</refsect1><!-- }}} -->
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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