From 45edc20283fc870f4e0f30450d929f1207a13887 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Tue, 30 Mar 2004 15:54:33 +0000 Subject: [PATCH] Add mention of how to use \df to find functions using/returning specific data types. --- doc/src/sgml/ref/psql-ref.sgml | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml index 8b2289164a0..e6bbcea60b1 100644 --- a/doc/src/sgml/ref/psql-ref.sgml +++ b/doc/src/sgml/ref/psql-ref.sgml @@ -1,5 +1,5 @@ @@ -904,12 +904,17 @@ testdb=> return types. If pattern is specified, only functions whose names match the pattern are shown. - If the form - \df+ is used, additional information about + If the form \df+ is used, additional information about each function, including language and description, is shown. + + To look up functions taking argument or returning values of a specific + type, use your pager's search capability to scroll through the \df + output. + + To reduce clutter, \df does not show data type I/O functions. This is implemented by ignoring functions that accept