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fix migration to 1) account for long trigger names and 2) correct syntax for dropping function without arguments in pg < 10

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GitOrigin-RevId: b5382db23dcf8c05a9936404b8ab303a336c8a44
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Tirumarai Selvan A 2020-11-23 13:13:04 +05:30 committed by hasura-bot
parent 06ab0e537b
commit 6fe5daa702
1 changed files with 4 additions and 4 deletions
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8
server/src-rsr/migrations/39_to_40.sql
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@ -37,17 +37,17 @@ WITH valid_event_triggers AS (
)
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
SELECT left('notify_hasura_' || name || '_INSERT', 63) FROM valid_event_triggers -- trigger names are truncated to 63 chars
UNION
SELECT 'notify_hasura_' || name || '_UPDATE' FROM valid_event_triggers
SELECT left('notify_hasura_' || name || '_UPDATE', 63) FROM valid_event_triggers
UNION
select 'notify_hasura_' || name || '_DELETE' FROM valid_event_triggers
select left('notify_hasura_' || name || '_DELETE', 63) FROM valid_event_triggers
);
DO $$ DECLARE
r RECORD;
BEGIN
FOR r IN (SELECT routine_name from invalid_triggers) LOOP
EXECUTE 'DROP FUNCTION IF EXISTS hdb_views.' || quote_ident(r.routine_name) || ' CASCADE';
EXECUTE 'DROP FUNCTION IF EXISTS hdb_views.' || quote_ident(r.routine_name) || '() CASCADE'; -- without '()' here, PG < 10 will throw error
END LOOP;
END $$;