From 32a3ab5b543eee0203e33a81608ec71789437b2d Mon Sep 17 00:00:00 2001
From: Chris Sharp <csharp@georgialibraries.org>
Date: Sun, 17 Feb 2013 08:59:18 -0500
Subject: [PATCH] now adding the fix for the last thing we added - FIXME: check
 that these aren't the same thing

---
 .../version-upgrade/pines-pre-2.1-2.2-upgrade.sql  | 58 ++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/Open-ILS/src/sql/Pg/version-upgrade/pines-pre-2.1-2.2-upgrade.sql b/Open-ILS/src/sql/Pg/version-upgrade/pines-pre-2.1-2.2-upgrade.sql
index 1bd077fdf3..86d8f82951 100644
--- a/Open-ILS/src/sql/Pg/version-upgrade/pines-pre-2.1-2.2-upgrade.sql
+++ b/Open-ILS/src/sql/Pg/version-upgrade/pines-pre-2.1-2.2-upgrade.sql
@@ -167,3 +167,61 @@ END;
 $$ LANGUAGE PLPGSQL;
 
 COMMIT;
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0537'); --miker
+
+DROP FUNCTION evergreen.upgrade_deps_block_check(text,text);
+DROP FUNCTION evergreen.upgrade_verify_no_dep_conflicts(text);
+DROP FUNCTION evergreen.upgrade_list_applied_deprecated(text);
+DROP FUNCTION evergreen.upgrade_list_applied_superseded(text);
+
+-- List applied db patches that deprecates (and block the application of) my_db_patch
+CREATE FUNCTION evergreen.upgrade_list_applied_deprecated ( my_db_patch TEXT ) RETURNS SETOF TEXT AS $$
+    SELECT  db_patch
+      FROM  config.db_patch_dependencies
+      WHERE ARRAY[$1]::TEXT[] && deprecates
+$$ LANGUAGE SQL;
+
+-- List applied db patches that supersedes (and block the application of) my_db_patch
+CREATE FUNCTION evergreen.upgrade_list_applied_superseded ( my_db_patch TEXT ) RETURNS SETOF TEXT AS $$
+    SELECT  db_patch
+      FROM  config.db_patch_dependencies
+      WHERE ARRAY[$1]::TEXT[] && supersedes
+$$ LANGUAGE SQL;
+
+-- Make sure that no deprecated or superseded db patches are currently applied
+CREATE FUNCTION evergreen.upgrade_verify_no_dep_conflicts ( my_db_patch TEXT ) RETURNS BOOL AS $$
+    SELECT  COUNT(*) = 0
+      FROM  (SELECT * FROM evergreen.upgrade_list_applied_deprecates( $1 )
+                UNION
+             SELECT * FROM evergreen.upgrade_list_applied_supersedes( $1 )
+                UNION
+             SELECT * FROM evergreen.upgrade_list_applied_deprecated( $1 )
+                UNION
+             SELECT * FROM evergreen.upgrade_list_applied_superseded( $1 ))x
+$$ LANGUAGE SQL;
+
+-- Raise an exception if there are, in fact, dep/sup confilct
+CREATE FUNCTION evergreen.upgrade_deps_block_check ( my_db_patch TEXT, my_applied_to TEXT ) RETURNS BOOL AS $$
+BEGIN
+    IF NOT evergreen.upgrade_verify_no_dep_conflicts( my_db_patch ) THEN
+        RAISE EXCEPTION '
+Upgrade script % can not be applied:
+  applied deprecated scripts %
+  applied superseded scripts %
+  deprecated by %
+  superseded by %',
+            my_db_patch,
+            ARRAY_ACCUM(evergreen.upgrade_list_applied_deprecates(my_db_patch)),
+            ARRAY_ACCUM(evergreen.upgrade_list_applied_supersedes(my_db_patch)),
+            evergreen.upgrade_list_applied_deprecated(my_db_patch),
+            evergreen.upgrade_list_applied_superseded(my_db_patch);
+    END IF;
+
+    INSERT INTO config.upgrade_log (version, applied_to) VALUES (my_db_patch, my_applied_to);
+    RETURN TRUE;
+END;
+$$ LANGUAGE PLPGSQL;
+
+COMMIT;
-- 
2.11.0