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Remove truncate trigger because truncate is already restricted by foreign keys

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dullbananas 2023-12-27 20:20:44 -07:00 committed by GitHub
parent c29d9f7bad
commit 6093f341d6
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1 changed files with 0 additions and 12 deletions
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replaceable_schema.sql
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@ -65,18 +65,6 @@ BEGIN
EXECUTE format('CREATE TRIGGER %2$s_insert AFTER INSERT ON %1$s REFERENCING NEW TABLE AS new_table FOR EACH STATEMENT EXECUTE FUNCTION r.%2$s ();', table_name, function_name);
EXECUTE format('CREATE TRIGGER %2$s_delete AFTER DELETE ON %1$s REFERENCING OLD TABLE AS old_table FOR EACH STATEMENT EXECUTE FUNCTION r.%2$s ();', table_name, function_name);
EXECUTE format('CREATE TRIGGER %2$s_update AFTER UPDATE ON %1$s REFERENCING OLD TABLE AS old_table NEW TABLE AS new_table FOR EACH STATEMENT EXECUTE FUNCTION r.%2$s ();', table_name, function_name);
-- Prevent admin from running `TRUNCATE` because it doesn't allow reading old rows which is needed by triggers
EXECUTE format('CREATE OR REPLACE TRIGGER no_truncate BEFORE TRUNCATE ON %s FOR EACH STATEMENT EXECUTE FUNCTION r.no_truncate ();', table_name);
END
$$;
CREATE FUNCTION r.no_truncate ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
RAISE EXCEPTION 'Run DELETE instead';
RETURN NULL;
END
$$;