From: Jason Etheridge <jason@esilibrary.com>
Date: Fri, 5 Aug 2011 10:58:07 +0000 (-0400)
Subject: upgrade script for actor.usr.last_update_date
X-Git-Url: https://old-git.evergreen-ils.org/?a=commitdiff_plain;h=dde8db5c8aa7746def652e5285452f6a387ed4ed;p=evergreen%2Fmasslnc.git

upgrade script for actor.usr.last_update_date

Signed-off-by: Jason Etheridge <jason@esilibrary.com>
Signed-off-by: Thomas Berezansky <tsbere@mvlc.org>
---

diff --git a/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.au_last_update_date.sql b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.au_last_update_date.sql
new file mode 100644
index 0000000000..3b792913ee
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.au_last_update_date.sql
@@ -0,0 +1,28 @@
+-- Evergreen DB patch XXXX.schema.au_last_update_date.sql
+BEGIN;
+
+-- check whether patch can be applied
+SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+-- Add new column last_update_date to actor.usr, with trigger to maintain it
+-- Add corresponding new column to auditor.actor_usr_history
+
+ALTER TABLE actor.usr
+	ADD COLUMN last_update_date TIMESTAMPTZ;
+
+ALTER TABLE auditor.actor_usr_history
+	ADD COLUMN last_update_date TIMESTAMPTZ;
+
+CREATE OR REPLACE FUNCTION actor.au_updated()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.last_update_date := now();
+	RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER au_update_trig
+	BEFORE UPDATE ON actor.usr
+	FOR EACH ROW EXECUTE PROCEDURE actor.au_updated();
+
+COMMIT;