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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.2 -->
<refentry xml:id="function.pg-affected-rows" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>pg_affected_rows</refname>
<refpurpose>Returns number of affected records (tuples)</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>int</type><methodname>pg_affected_rows</methodname>
<methodparam><type>PgSql\Result</type><parameter>result</parameter></methodparam>
</methodsynopsis>
<para>
<function>pg_affected_rows</function> returns the number of tuples
(instances/records/rows) affected by <literal>INSERT</literal>,
<literal>UPDATE</literal>, and <literal>DELETE</literal>
queries.
</para>
<para>
Since PostgreSQL 9.0 and above, the server returns the number of
SELECTed rows. Older PostgreSQL return 0 for SELECT.
</para>
<note>
<para>
This function used to be called <function>pg_cmdtuples</function>.
</para>
</note>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>result</parameter></term>
<listitem>
&pgsql.parameter.result;
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The number of rows affected by the query. If no tuple is
affected, it will return <literal>0</literal>.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&pgsql.changelog.result-object;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>pg_affected_rows</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$result = pg_query($conn, "INSERT INTO authors VALUES ('Orwell', 2002, 'Animal Farm')");
$cmdtuples = pg_affected_rows($result);
echo $cmdtuples . " tuples are affected.\n";
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
1 tuples are affected.
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>pg_query</function></member>
<member><function>pg_query_params</function></member>
<member><function>pg_execute</function></member>
<member><function>pg_num_rows</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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