Add mention of how to use \df to find functions using/returning specific

data types.
This commit is contained in:
Bruce Momjian 2004-03-30 15:54:33 +00:00
parent fd071bd478
commit 45edc20283

View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.108 2004/03/24 03:27:46 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.109 2004/03/30 15:54:33 momjian Exp $
PostgreSQL documentation
-->
@ -904,12 +904,17 @@ testdb=>
return types. If <replaceable
class="parameter">pattern</replaceable>
is specified, only functions whose names match the pattern are shown.
If the form
<literal>\df+</literal> is used, additional information about
If the form <literal>\df+</literal> is used, additional information about
each function, including language and description, is shown.
</para>
<note>
<para>
To look up functions taking argument or returning values of a specific
type, use your pager's search capability to scroll through the <literal>\df</>
output.
</para>
<para>
To reduce clutter, <literal>\df</> does not show data type I/O
functions. This is implemented by ignoring functions that accept