postgresql/src/test/regress/expected/select_parallel.out

--
-- PARALLEL
--
-- Serializable isolation would disable parallel query, so explicitly use an
-- arbitrary other level.
begin isolation level repeatable read;
-- setup parallel test
set parallel_setup_cost=0;
set parallel_tuple_cost=0;
explain (costs off)
  select count(*) from a_star;
                     QUERY PLAN                      
-----------------------------------------------------
 Finalize Aggregate
   ->  Gather
         Workers Planned: 1
         ->  Partial Aggregate
               ->  Append
                     ->  Parallel Seq Scan on a_star
                     ->  Parallel Seq Scan on b_star
                     ->  Parallel Seq Scan on c_star
                     ->  Parallel Seq Scan on d_star
                     ->  Parallel Seq Scan on e_star
                     ->  Parallel Seq Scan on f_star
(11 rows)

select count(*) from a_star;
 count 
-------
    50
(1 row)

set force_parallel_mode=1;
explain (costs off)
  select stringu1::int2 from tenk1 where unique1 = 1;
                  QUERY PLAN                   
-----------------------------------------------
 Gather
   Workers Planned: 1
   Single Copy: true
   ->  Index Scan using tenk1_unique1 on tenk1
         Index Cond: (unique1 = 1)
(5 rows)

do $$begin
  -- Provoke error in worker.  The original message CONTEXT contains a worker
  -- PID that must be hidden in the test output.
  perform stringu1::int2 from tenk1 where unique1 = 1;
  exception
	when others then
		raise 'SQLERRM: %', sqlerrm;
end$$;
ERROR:  SQLERRM: invalid input syntax for integer: "BAAAAA"
CONTEXT:  PL/pgSQL function inline_code_block line 7 at RAISE
rollback;