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Functions -> Function's

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Bruce Momjian 2001-01-17 22:13:33 +00:00
parent 978c03f9cf
commit 392793b1ac
1 changed files with 4 additions and 4 deletions
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doc/src/sgml/plsql.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/plsql.sgml,v 2.15 2001/01/17 16:34:34 momjian Exp $ $Header: /cvsroot/pgsql/doc/src/sgml/Attic/plsql.sgml,v 2.16 2001/01/17 22:13:33 momjian Exp $
--> -->
<chapter id="plsql"> <chapter id="plsql">
@ -472,7 +472,7 @@ END IF;
database return a value. Thus, the normal way to call a function database return a value. Thus, the normal way to call a function
is to execute a SELECT query or doing an assignment (resulting is to execute a SELECT query or doing an assignment (resulting
in a PL/pgSQL internal SELECT). But there are cases where someone in a PL/pgSQL internal SELECT). But there are cases where someone
isn't interested in the functions result. isn't interested in the function's result.
<programlisting> <programlisting>
PERFORM <replaceable>query</replaceable> PERFORM <replaceable>query</replaceable>
</programlisting> </programlisting>
@ -551,7 +551,7 @@ RETURN <replaceable>expression</replaceable>
</para> </para>
<para> <para>
The expressions result will be automatically casted into the The expressions result will be automatically casted into the
functions return type as described for assignments. function's return type as described for assignments.
</para> </para>
</listitem> </listitem>
</varlistentry> </varlistentry>
@ -838,7 +838,7 @@ EXIT [ <replaceable>label</replaceable> ] [ WHEN <replaceable>expression</replac
<para> <para>
One painful detail of writing functions in PL/pgSQL is the handling One painful detail of writing functions in PL/pgSQL is the handling
of single quotes. The functions source text on CREATE FUNCTION must of single quotes. The function's source text on CREATE FUNCTION must
be a literal string. Single quotes inside of literal strings must be be a literal string. Single quotes inside of literal strings must be
either doubled or quoted with a backslash. We are still looking for either doubled or quoted with a backslash. We are still looking for
an elegant alternative. In the meantime, doubling the single quotes an elegant alternative. In the meantime, doubling the single quotes