515
515
-> Seq Scan on tenk1 b
518
-- Test that we push quals into UNION sub-selects only when it's safe
521
(SELECT 1 AS t, 2 AS x
523
SELECT 2 AS t, 4 AS x) ss
526
--------------------------------------------
533
One-Time Filter: false
537
(SELECT 1 AS t, 2 AS x
539
SELECT 2 AS t, 4 AS x) ss
548
(SELECT 1 AS t, generate_series(1,10) AS x
550
SELECT 2 AS t, 4 AS x) ss
554
--------------------------------
557
-> Subquery Scan on ss
566
(SELECT 1 AS t, generate_series(1,10) AS x
568
SELECT 2 AS t, 4 AS x) ss
580
(SELECT 1 AS t, (random()*3)::int AS x
582
SELECT 2 AS t, 4 AS x) ss
585
----------------------------------------------------------------------------
590
Sort Key: (1), (((random() * 3::double precision))::integer)
597
(SELECT 1 AS t, (random()*3)::int AS x
599
SELECT 2 AS t, 4 AS x) ss