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Mention 'void' as the proper return type when there's nothing to

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return, per suggestion from Joachim Wieland.
This commit is contained in:
Tom Lane 2006-11-03 07:17:36 +00:00
parent 70ce5c9082
commit 17a814ca02
1 changed files with 3 additions and 1 deletions
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doc/src/sgml/ref/create_function.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.68 2006/09/16 00:30:17 momjian Exp $ $PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.69 2006/11/03 07:17:36 tgl Exp $
--> -->
<refentry id="SQL-CREATEFUNCTION"> <refentry id="SQL-CREATEFUNCTION">
@ -153,6 +153,8 @@ CREATE [ OR REPLACE ] FUNCTION
or may reference the type of a table column. or may reference the type of a table column.
Depending on the implementation language it may also be allowed Depending on the implementation language it may also be allowed
to specify <quote>pseudotypes</> such as <type>cstring</>. to specify <quote>pseudotypes</> such as <type>cstring</>.
If the function is not supposed to return a value, specify
<type>void</> as the return type.
</para> </para>
<para> <para>
When there are <literal>OUT</> or <literal>INOUT</> parameters, When there are <literal>OUT</> or <literal>INOUT</> parameters,