Parsed test spec with 4 sessions

starting permutation: cachefill1 at2 waitprunable4 vac4 grant1 wakeinval4 wakegrant4
step cachefill1: SELECT FROM vactest.reloid_catcache_set('vactest.orig50');
step at2: 
	CREATE TRIGGER to_set_relhastriggers BEFORE UPDATE ON vactest.orig50
		FOR EACH ROW EXECUTE PROCEDURE suppress_redundant_updates_trigger();
 <waiting ...>
step waitprunable4: CALL vactest.wait_prunable();
step vac4: VACUUM (FREEZE, DISABLE_PAGE_SKIPPING) pg_class;
step grant1: GRANT SELECT ON vactest.orig50 TO PUBLIC; <waiting ...>
step wakeinval4: 
	SELECT FROM injection_points_detach('transaction-end-process-inval');
	SELECT FROM injection_points_wakeup('transaction-end-process-inval');
 <waiting ...>
step at2: <... completed>
step wakeinval4: <... completed>
step wakegrant4: 
	SELECT FROM injection_points_detach('heap_update-before-pin');
	SELECT FROM injection_points_wakeup('heap_update-before-pin');
 <waiting ...>
step grant1: <... completed>
ERROR:  tuple concurrently deleted
step wakegrant4: <... completed>

starting permutation: cachefill1 at2 waitprunable4 vac4 grant1 wakeinval4 mkrels4 wakegrant4
step cachefill1: SELECT FROM vactest.reloid_catcache_set('vactest.orig50');
step at2: 
	CREATE TRIGGER to_set_relhastriggers BEFORE UPDATE ON vactest.orig50
		FOR EACH ROW EXECUTE PROCEDURE suppress_redundant_updates_trigger();
 <waiting ...>
step waitprunable4: CALL vactest.wait_prunable();
step vac4: VACUUM (FREEZE, DISABLE_PAGE_SKIPPING) pg_class;
step grant1: GRANT SELECT ON vactest.orig50 TO PUBLIC; <waiting ...>
step wakeinval4: 
	SELECT FROM injection_points_detach('transaction-end-process-inval');
	SELECT FROM injection_points_wakeup('transaction-end-process-inval');
 <waiting ...>
step at2: <... completed>
step wakeinval4: <... completed>
step mkrels4: 
	SELECT FROM vactest.mkrels('intruder', 1, 100);  -- repopulate LP_UNUSED

step wakegrant4: 
	SELECT FROM injection_points_detach('heap_update-before-pin');
	SELECT FROM injection_points_wakeup('heap_update-before-pin');
 <waiting ...>
step grant1: <... completed>
ERROR:  duplicate key value violates unique constraint "pg_class_oid_index"
step wakegrant4: <... completed>

starting permutation: snap3 cachefill1 at2 mkrels4 r3 waitprunable4 vac4 grant1 wakeinval4 at4 wakegrant4 inspect4
step snap3: BEGIN ISOLATION LEVEL REPEATABLE READ; SELECT;
step cachefill1: SELECT FROM vactest.reloid_catcache_set('vactest.orig50');
step at2: 
	CREATE TRIGGER to_set_relhastriggers BEFORE UPDATE ON vactest.orig50
		FOR EACH ROW EXECUTE PROCEDURE suppress_redundant_updates_trigger();
 <waiting ...>
step mkrels4: 
	SELECT FROM vactest.mkrels('intruder', 1, 100);  -- repopulate LP_UNUSED

step r3: ROLLBACK;
step waitprunable4: CALL vactest.wait_prunable();
step vac4: VACUUM (FREEZE, DISABLE_PAGE_SKIPPING) pg_class;
step grant1: GRANT SELECT ON vactest.orig50 TO PUBLIC; <waiting ...>
step wakeinval4: 
	SELECT FROM injection_points_detach('transaction-end-process-inval');
	SELECT FROM injection_points_wakeup('transaction-end-process-inval');
 <waiting ...>
step at2: <... completed>
step wakeinval4: <... completed>
step at4: ALTER TABLE vactest.child50 INHERIT vactest.orig50;
step wakegrant4: 
	SELECT FROM injection_points_detach('heap_update-before-pin');
	SELECT FROM injection_points_wakeup('heap_update-before-pin');
 <waiting ...>
step grant1: <... completed>
step wakegrant4: <... completed>
step inspect4: 
	SELECT relhastriggers, relhassubclass FROM pg_class
		WHERE oid = 'vactest.orig50'::regclass;

relhastriggers|relhassubclass
--------------+--------------
f             |f             
(1 row)