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archive invalid events and drop existing invalid postgres triggers (#27)

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GITHUB_PR_NUMBER: 6181
GITHUB_PR_URL: https://github.com/hasura/graphql-engine/pull/6181

Co-authored-by: Tirumarai Selvan A <tiru@hasura.io>
GitOrigin-RevId: fdbc18abe42f2f5737d71a2fa95a2c80e6b4a85a
This commit is contained in:
hasura-bot 2020-11-16 15:39:09 +05:30
parent e2d07bb507
commit e80515600d
1 changed files with 27 additions and 0 deletions
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27
server/src-rsr/migrations/39_to_40.sql
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@ -24,3 +24,30 @@ $$;
CREATE TRIGGER event_trigger_table_name_update_trigger
AFTER UPDATE ON hdb_catalog.hdb_table
FOR EACH ROW EXECUTE PROCEDURE hdb_catalog.event_trigger_table_name_update();
-- this clears pre-existing invalid triggers
CREATE TEMP TABLE invalid_triggers AS
WITH valid_event_triggers AS (
SELECT name FROM hdb_catalog.event_triggers
),
archive_invalid_events AS (
UPDATE hdb_catalog.event_log set archived = 't'
WHERE trigger_name NOT IN (select name from valid_event_triggers)
)
SELECT routine_name FROM information_schema.routines
WHERE routine_type='FUNCTION' AND specific_schema='hdb_views' AND routine_name NOT IN (
SELECT 'notify_hasura_' || name || '_INSERT' FROM valid_event_triggers
UNION
SELECT 'notify_hasura_' || name || '_UPDATE' FROM valid_event_triggers
UNION
select 'notify_hasura_' || name || '_DELETE' FROM valid_event_triggers
);
DO $$ DECLARE
r RECORD;
BEGIN
FOR r IN (SELECT routine_name from invalid_triggers) LOOP
EXECUTE 'DROP FUNCTION IF EXISTS hdb_views.' || quote_ident(r.routine_name) || ' CASCADE';
END LOOP;
END $$;