From d1a2a01f3853995905ff9040f4ca7ab47de6aef8 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Thu, 29 Nov 2001 22:18:14 +0000 Subject: [PATCH] Add mention of no SELECT triggers. --- doc/src/sgml/ref/create_trigger.sgml | 32 +++++++++++++++------------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/doc/src/sgml/ref/create_trigger.sgml b/doc/src/sgml/ref/create_trigger.sgml index d6e2905a49..fb074c2983 100644 --- a/doc/src/sgml/ref/create_trigger.sgml +++ b/doc/src/sgml/ref/create_trigger.sgml @@ -1,5 +1,5 @@ @@ -117,20 +117,22 @@ CREATE - The trigger can be specified to fire either before BEFORE the - operation is attempted on a tuple (before constraints - are checked and the INSERT, UPDATE or - DELETE is attempted) or - AFTER the operation has been attempted (e.g., after constraints - are checked and the INSERT, - UPDATE or DELETE has - completed). If the - trigger fires before the event, the trigger may - skip the operation for the current tuple, or change the tuple - being inserted (for INSERT and - UPDATE operations only). If - the trigger fires after the event, all changes, including the - last insertion, update, or deletion, are visible to the trigger. + The trigger can be specified to fire either before BEFORE the + operation is attempted on a tuple (before constraints are checked and + the INSERT, UPDATE or + DELETE is attempted) or AFTER the operation has + been attempted (e.g., after constraints are checked and the + INSERT, UPDATE or + DELETE has completed). If the trigger fires before + the event, the trigger may skip the operation for the current tuple, + or change the tuple being inserted (for INSERT and + UPDATE operations only). If the trigger fires + after the event, all changes, including the last insertion, update, + or deletion, are visible to the trigger. + + + SELECT does not modify any rows so you can not + create SELECT triggers. -- GitLab