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111 lines
3.2 KiB
XML
111 lines
3.2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="pdo-pgsql.setnoticecallback" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>Pdo\Pgsql::setNoticeCallback</refname>
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<refpurpose>Set a callback to handle notice and warning messages generated by the backend</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis role="Pdo\\Pgsql">
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<modifier>public</modifier> <type>void</type><methodname>Pdo\Pgsql::setNoticeCallback</methodname>
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<methodparam><type class="union"><type>callable</type><type>null</type></type><parameter>callback</parameter></methodparam>
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</methodsynopsis>
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<simpara>
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Set a callback to handle notice and warning messages generated by the backend.
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This includes messages emitted by PostgreSQL itself,
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as well as those raised by user-defined SQL functions using <literal>RAISE</literal>.
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Please note that the actual receipt of these messages
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depends on the backend setting <literal>client_min_messages</literal>.
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</simpara>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term><parameter>callback</parameter></term>
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<listitem>
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<simpara>
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If &null; is passed, the handler is reset to its default state.
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</simpara>
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<para>
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Otherwise, the handler is a callback with the following signature:
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<methodsynopsis>
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<type>void</type><methodname><replaceable>handler</replaceable></methodname>
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<methodparam><type>string</type><parameter>message</parameter></methodparam>
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</methodsynopsis>
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<variablelist role="function_parameters">
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<varlistentry>
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<term><parameter>message</parameter></term>
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<listitem>
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<simpara>
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A message generated by the backend.
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</simpara>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<simpara>
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&return.void;
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</simpara>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example xml:id="pdo-pgsql.setnoticecallback.example.basic">
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<title><methodname>Pdo\Pgsql::setNoticeCallback</methodname> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$pdo = new Pdo\Pgsql('pgsql:dbname=test host=localhost', $user, $pass);
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$pdo->exec('CREATE TABLE parent(id int primary key)');
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$pdo->exec('CREATE TABLE child(id int references parent)');
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$pdo->setNoticeCallback(function ($message) {
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echo $message;
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});
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$pdo->exec('TRUNCATE parent CASCADE');
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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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<![CDATA[
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NOTICE: truncate cascades to table "child"
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]]>
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</screen>
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</example>
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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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indent-tabs-mode:nil
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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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