LOAD 'pg_hint_plan'; -- We cannot do ALTER USER current_user SET ... DELETE FROM pg_db_role_setting WHERE setrole = (SELECT oid FROM pg_roles WHERE rolname = current_user); INSERT INTO pg_db_role_setting (SELECT 0, (SELECT oid FROM pg_roles WHERE rolname = current_user), '{client_min_messages=log,pg_hint_plan.debug_print=on}'); ALTER SYSTEM SET session_preload_libraries TO 'pg_hint_plan'; SELECT pg_reload_conf(); SET pg_hint_plan.enable_hint TO on; SET pg_hint_plan.debug_print TO on; SET client_min_messages TO LOG; SET search_path TO public; SET max_parallel_workers_per_gather TO 0; EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10; EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)'; ---- ---- No. S-1-1 specified pattern of the object name ---- -- No. S-1-1-1 /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-1-1-2 /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 t_1 WHERE t_1.c1 = 1; -- No. S-1-1-3 /*+SeqScan(t_1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 t_1 WHERE t_1.c1 = 1; ---- ---- No. S-1-2 specified schema name in the hint option ---- -- No. S-1-2-1 /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-1-2-2 /*+SeqScan(s1.t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; ---- ---- No. S-1-3 table doesn't exist in the hint option ---- -- No. S-1-3-1 /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-1-3-2 /*+SeqScan(t2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; ---- ---- No. S-1-4 conflict table name ---- -- No. S-1-4-1 EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = 1 AND t1.c1 = t2.c1; /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = 1 AND t1.c1 = t2.c1; -- No. S-1-4-2 EXPLAIN (COSTS false) SELECT * FROM s1.t1, s2.t1 WHERE s1.t1.c1 = 1 AND s1.t1.c1 = s2.t1.c1; /*+BitmapScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1, s2.t1 WHERE s1.t1.c1 = 1 AND s1.t1.c1 = s2.t1.c1; /*+BitmapScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1, s2.t1 s2t1 WHERE s1.t1.c1 = 1 AND s1.t1.c1 = s2t1.c1; /*+BitmapScan(s2t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1, s2.t1 s2t1 WHERE s1.t1.c1 = 1 AND s1.t1.c1 = s2t1.c1; -- No. S-1-4-3 EXPLAIN (COSTS false) SELECT (SELECT max(c1) FROM s1.t1 WHERE s1.t1.c1 = 1) FROM s1.t1 WHERE s1.t1.c1 = 1; /*+BitmapScan(t1)*/ EXPLAIN (COSTS false) SELECT (SELECT max(c1) FROM s1.t1 WHERE s1.t1.c1 = 1) FROM s1.t1 WHERE s1.t1.c1 = 1; /*+BitmapScan(t11)*/ EXPLAIN (COSTS false) SELECT (SELECT max(c1) FROM s1.t1 t11 WHERE t11.c1 = 1) FROM s1.t1 t12 WHERE t12.c1 = 1; /*+BitmapScan(t12)*/ EXPLAIN (COSTS false) SELECT (SELECT max(c1) FROM s1.t1 t11 WHERE t11.c1 = 1) FROM s1.t1 t12 WHERE t12.c1 = 1; ---- ---- No. S-1-5 object type for the hint ---- -- No. S-1-5-1 /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-1-5-2 EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE p1.c1 = 1; /*+IndexScan(p1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE p1.c1 = 1; -- No. S-1-5-3 EXPLAIN (COSTS false) SELECT * FROM s1.ul1 WHERE ul1.c1 = 1; /*+SeqScan(ul1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ul1 WHERE ul1.c1 = 1; -- No. S-1-5-4 CREATE TEMP TABLE tm1 (LIKE s1.t1 INCLUDING ALL); EXPLAIN (COSTS false) SELECT * FROM tm1 WHERE tm1.c1 = 1; /*+SeqScan(tm1)*/ EXPLAIN (COSTS false) SELECT * FROM tm1 WHERE tm1.c1 = 1; -- No. S-1-5-5 EXPLAIN (COSTS false) SELECT * FROM pg_catalog.pg_class WHERE oid = 1; /*+SeqScan(pg_class)*/ EXPLAIN (COSTS false) SELECT * FROM pg_catalog.pg_class WHERE oid = 1; -- No. S-1-5-6 -- refer ut-fdw.sql -- No. S-1-5-7 EXPLAIN (COSTS false) SELECT * FROM s1.f1() AS ft1 WHERE ft1.c1 = 1; /*+SeqScan(ft1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.f1() AS ft1 WHERE ft1.c1 = 1; -- No. S-1-5-8 EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1'), (2,2,2,'2'), (3,3,3,'3')) AS val1 (c1, c2, c3, c4) WHERE val1.c1 = 1; /*+SeqScan(val1)*/ EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1'), (2,2,2,'2'), (3,3,3,'3')) AS val1 (c1, c2, c3, c4) WHERE val1.c1 = 1; /*+SeqScan(*VALUES*)*/ EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1'), (2,2,2,'2'), (3,3,3,'3')) AS val1 (c1, c2, c3, c4) WHERE val1.c1 = 1; -- No. S-1-5-9 EXPLAIN (COSTS false) WITH c1(c1) AS (SELECT max(c1) FROM s1.t1 WHERE t1.c1 = 1) SELECT * FROM s1.t1, c1 WHERE t1.c1 = 1 AND t1.c1 = c1.c1; /*+SeqScan(c1)*/ EXPLAIN (COSTS false) WITH c1(c1) AS (SELECT max(c1) FROM s1.t1 WHERE t1.c1 = 1) SELECT * FROM s1.t1, c1 WHERE t1.c1 = 1 AND t1.c1 = c1.c1; -- No. S-1-5-10 EXPLAIN (COSTS false) SELECT * FROM s1.v1 WHERE v1.c1 = 1; /*+SeqScan(v1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.v1 WHERE v1.c1 = 1; -- No. S-1-5-11 EXPLAIN (COSTS false) SELECT * FROM (SELECT * FROM s1.t1 WHERE t1.c1 = 1) AS s1 WHERE s1.c1 = 1; /*+SeqScan(s1)*/ EXPLAIN (COSTS false) SELECT * FROM (SELECT * FROM s1.t1 WHERE t1.c1 = 1) AS s1 WHERE s1.c1 = 1; ---- ---- No. S-2-1 some complexity query blocks ---- -- No. S-2-1-1 EXPLAIN (COSTS false) SELECT max(bmt1.c1), ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) */ EXPLAIN (COSTS false) SELECT max(bmt1.c1), ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 ; -- No. S-2-1-2 EXPLAIN (COSTS false) SELECT max(bmt1.c1), ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.c1 = b2t2.c1 AND b2t1.c1 = b2t3.c1 AND b2t1.c1 = b2t4.c1 ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) BitmapScan(b2t1 t1_pkey)TidScan(b2t2)SeqScan(b2t3)IndexScan(b2t4 t4_pkey) */ EXPLAIN (COSTS false) SELECT max(bmt1.c1), ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.c1 = b2t2.c1 AND b2t1.c1 = b2t3.c1 AND b2t1.c1 = b2t4.c1 ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 ; -- No. S-2-1-3 EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, (SELECT * FROM s1.t4 bmt4) sbmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = sbmt4.c1; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) */ EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, (SELECT * FROM s1.t4 bmt4) sbmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = sbmt4.c1; -- No. S-2-1-4 EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, (SELECT * FROM s1.t3 bmt3) sbmt3, (SELECT * FROM s1.t4 bmt4) sbmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = sbmt3.c1 AND bmt1.c1 = sbmt4.c1; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) */ EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, (SELECT * FROM s1.t3 bmt3) sbmt3, (SELECT * FROM s1.t4 bmt4) sbmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = sbmt3.c1 AND bmt1.c1 = sbmt4.c1; -- No. S-2-1-5 EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 <> ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) */ EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 <> ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) ; -- No. S-2-1-6 EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 <> ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) AND bmt1.c1 <> ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.c1 = b2t2.c1 AND b2t1.c1 = b2t3.c1 AND b2t1.c1 = b2t4.c1 ) ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) BitmapScan(b2t1 t1_pkey)TidScan(b2t2)SeqScan(b2t3)IndexScan(b2t4 t4_pkey) */ EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 <> ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) AND bmt1.c1 <> ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.c1 = b2t2.c1 AND b2t1.c1 = b2t3.c1 AND b2t1.c1 = b2t4.c1 ) ; -- No. S-2-1-7 EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 , c1 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 = c1.c1 ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) */ EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 , c1 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 = c1.c1 ; -- No. S-2-1-8 EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) , c2 (c1) AS ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.c1 = b2t2.c1 AND b2t1.c1 = b2t3.c1 AND b2t1.c1 = b2t4.c1 ) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 , c1, c2 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 = c1.c1 AND bmt1.c1 = c2.c1 ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) BitmapScan(b2t1 t1_pkey)TidScan(b2t2)SeqScan(b2t3)IndexScan(b2t4 t4_pkey) */ EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.c1 = b1t2.c1 AND b1t1.c1 = b1t3.c1 AND b1t1.c1 = b1t4.c1 ) , c2 (c1) AS ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.c1 = b2t2.c1 AND b2t1.c1 = b2t3.c1 AND b2t1.c1 = b2t4.c1 ) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 , c1, c2 WHERE bmt1.c1 = bmt2.c1 AND bmt1.c1 = bmt3.c1 AND bmt1.c1 = bmt4.c1 AND bmt1.c1 = c1.c1 AND bmt1.c1 = c2.c1 ; ---- ---- No. S-2-2 the number of the tables per quiry block ---- -- No. S-2-2-1 EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = 1 ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = 1 ) FROM s1.t1 bmt1, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = 1 AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = 1 ) ; /*+SeqScan(bmt1) TidScan(b1t1) BitmapScan(b2t1 t1_pkey) IndexScan(b3t1 t1_pkey) */ EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = 1 ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = 1 ) FROM s1.t1 bmt1, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = 1 AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = 1 ) ; -- No. S-2-2-2 EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = b1t2.c1 AND b1t2.ctid = '(1,1)' ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = b2t2.c1 AND b2t2.ctid = '(1,1)' ) FROM s1.t1 bmt1, s1.t2 bmt2, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1, s1.t2 b3t2 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = b3t2.c1 AND b3t2.ctid = '(1,1)' ) ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey) TidScan(b1t1)SeqScan(b1t2) BitmapScan(b2t1 t1_pkey)TidScan(b2t2) IndexScan(b3t1 t1_pkey)BitmapScan(b3t2 t2_pkey) */ EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = b1t2.c1 AND b1t2.ctid = '(1,1)' ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = b2t2.c1 AND b2t2.ctid = '(1,1)' ) FROM s1.t1 bmt1, s1.t2 bmt2, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1, s1.t2 b3t2 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = b3t2.c1 AND b3t2.ctid = '(1,1)' ) ; -- No. S-2-2-3 EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = b1t2.c1 AND b1t2.ctid = '(1,1)' AND b1t1.c1 = b1t3.c1 AND b1t3.ctid = '(1,1)' AND b1t1.c1 = b1t4.c1 AND b1t4.ctid = '(1,1)' ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = b2t2.c1 AND b2t2.ctid = '(1,1)' AND b2t1.c1 = b2t3.c1 AND b2t3.ctid = '(1,1)' AND b2t1.c1 = b2t4.c1 AND b2t4.ctid = '(1,1)' ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 = bmt3.c1 AND bmt3.ctid = '(1,1)' AND bmt1.c1 = bmt4.c1 AND bmt4.ctid = '(1,1)' AND bmt1.c1 = c1.c1 AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1, s1.t2 b3t2, s1.t3 b3t3, s1.t4 b3t4 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = b3t2.c1 AND b3t2.ctid = '(1,1)' AND b3t1.c1 = b3t3.c1 AND b3t3.ctid = '(1,1)' AND b3t1.c1 = b3t4.c1 AND b3t4.ctid = '(1,1)' ) ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) BitmapScan(b2t1 t1_pkey)TidScan(b2t2)SeqScan(b2t3)IndexScan(b2t4 t4_pkey) IndexScan(b3t1 t1_pkey)BitmapScan(b3t2 t2_pkey)TidScan(b3t3)SeqScan(b3t4) */ EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = b1t2.c1 AND b1t2.ctid = '(1,1)' AND b1t1.c1 = b1t3.c1 AND b1t3.ctid = '(1,1)' AND b1t1.c1 = b1t4.c1 AND b1t4.ctid = '(1,1)' ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = b2t2.c1 AND b2t2.ctid = '(1,1)' AND b2t1.c1 = b2t3.c1 AND b2t3.ctid = '(1,1)' AND b2t1.c1 = b2t4.c1 AND b2t4.ctid = '(1,1)' ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 = bmt3.c1 AND bmt3.ctid = '(1,1)' AND bmt1.c1 = bmt4.c1 AND bmt4.ctid = '(1,1)' AND bmt1.c1 = c1.c1 AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1, s1.t2 b3t2, s1.t3 b3t3, s1.t4 b3t4 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = b3t2.c1 AND b3t2.ctid = '(1,1)' AND b3t1.c1 = b3t3.c1 AND b3t3.ctid = '(1,1)' AND b3t1.c1 = b3t4.c1 AND b3t4.ctid = '(1,1)' ) ; -- No. S-2-2-4 EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = b1t2.c1 AND b1t2.ctid = '(1,1)' AND b1t1.c1 = b1t3.c1 AND b1t3.ctid = '(1,1)' AND b1t1.c1 = b1t4.c1 AND b1t4.ctid = '(1,1)' ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = 1 ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 = bmt3.c1 AND bmt3.ctid = '(1,1)' AND bmt1.c1 = bmt4.c1 AND bmt4.ctid = '(1,1)' AND bmt1.c1 = c1.c1 AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1 WHERE b3t1.ctid = '(1,1)' ) ; /*+SeqScan(bmt1)IndexScan(bmt2 t2_pkey)BitmapScan(bmt3 t3_pkey)TidScan(bmt4) TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) BitmapScan(b2t1 t1_pkey) IndexScan(b3t1 t1_pkey) */ EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1, s1.t2 b1t2, s1.t3 b1t3, s1.t4 b1t4 WHERE b1t1.ctid = '(1,1)' AND b1t1.c1 = b1t2.c1 AND b1t2.ctid = '(1,1)' AND b1t1.c1 = b1t3.c1 AND b1t3.ctid = '(1,1)' AND b1t1.c1 = b1t4.c1 AND b1t4.ctid = '(1,1)' ) SELECT max(bmt1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = 1 ) FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4, c1 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 = bmt3.c1 AND bmt3.ctid = '(1,1)' AND bmt1.c1 = bmt4.c1 AND bmt4.ctid = '(1,1)' AND bmt1.c1 = c1.c1 AND bmt1.c1 <> ( SELECT max(b3t1.c1) FROM s1.t1 b3t1 WHERE b3t1.ctid = '(1,1)' ) ; ---- ---- No. S-2-3 RULE or VIEW ---- -- No. S-2-3-1 EXPLAIN (COSTS false) UPDATE s1.r1 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; /*+TidScan(t1)SeqScan(t2)IndexScan(t3 t3_pkey)BitmapScan(t4 t4_pkey) SeqScan(r1)*/ EXPLAIN (COSTS false) UPDATE s1.r1 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; EXPLAIN (COSTS false) UPDATE s1.r1_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; /*+TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) SeqScan(r1_)*/ EXPLAIN (COSTS false) UPDATE s1.r1_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-2-3-2 EXPLAIN (COSTS false) UPDATE s1.r2 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; /*+TidScan(t1)SeqScan(t2)IndexScan(t3 t3_pkey)BitmapScan(t4 t4_pkey) SeqScan(r2)*/ EXPLAIN (COSTS false) UPDATE s1.r2 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; EXPLAIN (COSTS false) UPDATE s1.r2_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; /*+TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) BitmapScan(b2t1 t1_pkey)TidScan(b2t2)SeqScan(b2t3)IndexScan(b2t4 t4_pkey) SeqScan(r2_)*/ EXPLAIN (COSTS false) UPDATE s1.r2_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-2-3-3 EXPLAIN (COSTS false) UPDATE s1.r3 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; /*+TidScan(t1)SeqScan(t2)IndexScan(t3 t3_pkey)BitmapScan(t4 t4_pkey) SeqScan(r3)*/ EXPLAIN (COSTS false) UPDATE s1.r3 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; EXPLAIN (COSTS false) UPDATE s1.r3_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; /*+TidScan(b1t1)SeqScan(b1t2)IndexScan(b1t3 t3_pkey)BitmapScan(b1t4 t4_pkey) BitmapScan(b2t1 t1_pkey)TidScan(b2t2)SeqScan(b2t3)IndexScan(b2t4 t4_pkey) IndexScan(b3t1 t1_pkey)BitmapScan(b3t2 t2_pkey)TidScan(b3t3)SeqScan(b3t4) SeqScan(r3_)*/ EXPLAIN (COSTS false) UPDATE s1.r3_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-2-3-4 EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1 v2 WHERE v1.c1 = v2.c1; /*+BitmapScan(v1t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1 v2 WHERE v1.c1 = v2.c1; -- No. S-2-3-5 EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1_ v2 WHERE v1.c1 = v2.c1; /*+SeqScan(v1t1)BitmapScan(v1t1_)*/ EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1_ v2 WHERE v1.c1 = v2.c1; -- No. S-2-3-6 EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r4 t2 WHERE t1.c1 = t2.c1; /*+BitmapScan(r4t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r4 t2 WHERE t1.c1 = t2.c1; -- No. S-2-3-7 EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r5 t2 WHERE t1.c1 = t2.c1; /*+SeqScan(r4t1)BitmapScan(r5t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r5 t2 WHERE t1.c1 = t2.c1; ---- ---- No. S-2-4 VALUES clause ---- -- No. S-2-4-1 EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1')) AS t1 (c1) WHERE t1.c1 = 1; /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1')) AS t1 (c1) WHERE t1.c1 = 1; /*+SeqScan(*VALUES*)*/ EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1')) AS t1 (c1) WHERE t1.c1 = 1; -- No. S-2-4-2 EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1'), (3,3,3,'3')) AS t1 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t2 (c1, c2) WHERE t1.c1 = t2.c1; /*+SeqScan(t1 t2)*/ EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1'), (3,3,3,'3')) AS t1 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t2 (c1, c2) WHERE t1.c1 = t2.c1; /*+SeqScan(*VALUES*)*/ EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1'), (3,3,3,'3')) AS t1 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t2 (c1, c2) WHERE t1.c1 = t2.c1; ---- ---- No. S-3-1 scan method hint ---- -- No. S-3-1-1 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; -- No. S-3-1-2 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-3 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; /*+IndexScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-4 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; /*+IndexScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; -- No. S-3-1-5 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10; /*+BitmapScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10; -- No. S-3-1-6 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; /*+BitmapScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-7 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)'; /*+TidScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)'; -- No. S-3-1-8 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid IN ('(1,1)', '(2,2)', '(3,3)'); /*+TidScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid IN ('(1,1)', '(2,2)', '(3,3)'); -- No. S-3-1-9 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; /*+NoSeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; -- No. S-3-1-10 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; /*+NoSeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-11 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; /*+NoIndexScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-12 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; /*+NoIndexScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1; -- No. S-3-1-13 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10; /*+NoBitmapScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10; -- No. S-3-1-14 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; /*+NoBitmapScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-15 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)'; /*+NoTidScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)'; -- No. S-3-1-16 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; /*+NoTidScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-17 EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1; /*+IndexOnlyScan(t1)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-18 EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1; /*+IndexOnlyScan(t1)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1; -- No. S-3-1-19 EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1; /*+NoIndexOnlyScan(t1)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1; -- No. S-3-1-20 EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1; /*+NoIndexOnlyScan(t1)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1; ---- ---- No. S-3-3 index name specified ---- EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; SET enable_tidscan TO off; EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; SET enable_indexscan TO off; EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; RESET enable_tidscan; RESET enable_indexscan; EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE ti1.c2 >= 1; -- No. S-3-3-1 /*+IndexScan(ti1 ti1_i3)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; -- No. S-3-3-2 /*+IndexScan(ti1 ti1_i3 ti1_i2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; -- No. S-3-3-3 /*+IndexScan(ti1 ti1_i4 ti1_i3 ti1_i2 ti1_i1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; -- No. S-3-3-4 /*+BitmapScan(ti1 ti1_i3)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; -- No. S-3-3-5 /*+BitmapScan(ti1 ti1_i3 ti1_i2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; -- No. S-3-3-6 /*+BitmapScan(ti1 ti1_i4 ti1_i3 ti1_i2 ti1_i1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)'; -- No. S-3-3-7 /*+IndexOnlyScan(ti1 ti1_i3)*/ EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE ti1.c2 >= 1; -- No. S-3-3-8 /*+IndexOnlyScan(ti1 ti1_i3 ti1_i2)*/ EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE ti1.c2 >= 1; -- No. S-3-3-9 /*+IndexOnlyScan(ti1 ti1_i4 ti1_i3 ti1_i2 ti1_i1)*/ EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE ti1.c2 >= 1; ---- ---- No. S-3-4 index type ---- \d s1.ti1 EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-1 /*+IndexScan(ti1 ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-2 /*+IndexScan(ti1 ti1_hash)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-3 /*+IndexScan(ti1 ti1_gist)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-4 /*+IndexScan(ti1 ti1_gin)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-5 /*+IndexScan(ti1 ti1_expr)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-6 /*+IndexScan(ti1 ti1_pred)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-7 /*+IndexScan(ti1 ti1_uniq)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-8 /*+IndexScan(ti1 ti1_multi)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-9 /*+IndexScan(ti1 ti1_ts)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-10 /*+IndexScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-11 /*+IndexScan(ti1 ti1_c2_key)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-12 /*+BitmapScan(ti1 ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-13 /*+BitmapScan(ti1 ti1_hash)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-14 /*+BitmapScan(ti1 ti1_gist)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-15 /*+BitmapScan(ti1 ti1_gin)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-16 /*+BitmapScan(ti1 ti1_expr)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-17 /*+BitmapScan(ti1 ti1_pred)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-18 /*+BitmapScan(ti1 ti1_uniq)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-19 /*+BitmapScan(ti1 ti1_multi)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-20 /*+BitmapScan(ti1 ti1_ts)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-21 /*+BitmapScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-22 /*+BitmapScan(ti1 ti1_c2_key)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 < 100 AND c2 = 1 AND lower(c4) = '1' AND to_tsvector('english', c4) @@ 'a & b' AND ctid = '(1,1)'; -- No. S-3-4-23 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; /*+IndexOnlyScan(ti1 ti1_btree)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; -- No. S-3-4-24 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1; /*+IndexOnlyScan(ti1 ti1_hash)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1; -- No. S-3-4-25 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 1; /*+IndexOnlyScan(ti1 ti1_gist)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 1; -- No. S-3-4-26 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1; /*+IndexOnlyScan(ti1 ti1_gin)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1; -- No. S-3-4-27 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 100; /*+IndexOnlyScan(ti1 ti1_expr)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 100; -- No. S-3-4-28 EXPLAIN (COSTS false) SELECT c4 FROM s1.ti1 WHERE lower(c4) >= '1'; /*+IndexOnlyScan(ti1 ti1_pred)*/ EXPLAIN (COSTS false) SELECT c4 FROM s1.ti1 WHERE lower(c4) >= '1'; -- No. S-3-4-29 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; /*+IndexOnlyScan(ti1 ti1_uniq)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; -- No. S-3-4-30 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; /*+IndexOnlyScan(ti1 ti1_multi)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; -- No. S-3-4-31 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE to_tsvector('english', c4) @@ 'a & b'; /*+IndexOnlyScan(ti1 ti1_ts)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE to_tsvector('english', c4) @@ 'a & b'; -- No. S-3-4-32 EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; /*+IndexOnlyScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; -- No. S-3-4-33 EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE c2 >= 1; /*+IndexOnlyScan(ti1 ti1_c2_key)*/ EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE c2 >= 1; ---- ---- No. S-3-5 not used index ---- -- No. S-3-5-1 \o results/ut-S.tmpout /*+IndexScan(ti1 ti1_pred)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-5-2 \o results/ut-S.tmpout /*+BitmapScan(ti1 ti1_pred)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-5-3 \o results/ut-S.tmpout /*+IndexOnlyScan(ti1 ti1_pred)*/ EXPLAIN (COSTS true) SELECT c1 FROM s1.ti1 WHERE c1 = 100; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-5-4 \o results/ut-S.tmpout /*+IndexScan(ti1 not_exist)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-5-5 \o results/ut-S.tmpout /*+BitmapScan(ti1 not_exist)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-5-6 \o results/ut-S.tmpout /*+IndexOnlyScan(ti1 not_exist)*/ EXPLAIN (COSTS true) SELECT c1 FROM s1.ti1 WHERE c1 = 100; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-5-7 EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1; \o results/ut-S.tmpout /*+TidScan(t1)*/ EXPLAIN (COSTS true) SELECT * FROM s1.t1 WHERE t1.c1 = 1; \o \! sql/maskout.sh results/ut-S.tmpout ---- ---- No. S-3-6 query structure ---- EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1 AND t1.ctid = '(1,1)'; -- No. S-3-6-1 /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE c1 = 100; -- No. S-3-6-2 /*+SeqScan(t1)BitmapScan(t2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1 AND t1.ctid = '(1,1)'; -- No. S-3-6-3 /*+SeqScan(t1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1 AND t1.ctid = '(1,1)'; ---- ---- No. S-3-7 number of tables in a query block ---- -- No. S-3-7-1 EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 WHERE b1t1.c1 = 1) SELECT max(b3t1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.c1 = 1 ) FROM s1.t1 b3t1 WHERE b3t1.c1 = ( SELECT max(b4t1.c1) FROM s1.t1 b4t1 WHERE b4t1.c1 = 1); /*+SeqScan(b1t1)IndexScan(b2t1 t1_pkey)BitmapScan(b3t1 t1_pkey)TidScan(b4t1) */ EXPLAIN (COSTS false) WITH c1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 WHERE b1t1.c1 = 1) SELECT max(b3t1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.c1 = 1 ) FROM s1.t1 b3t1 WHERE b3t1.c1 = ( SELECT max(b4t1.c1) FROM s1.t1 b4t1 WHERE b4t1.c1 = 1); -- No. S-3-7-2 EXPLAIN (COSTS false) WITH cte1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 JOIN s1.t2 b1t2 ON(b1t1.c1 = b1t2.c1) WHERE b1t1.c1 = 1) SELECT max(b3t1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 JOIN s1.t2 b2t2 ON(b2t1.c1 = b2t2.c1) WHERE b2t1.c1 = 1 ) FROM s1.t1 b3t1 JOIN s1.t2 b3t2 ON(b3t1.c1 = b3t2.c1) JOIN cte1 ON(b3t1.c1 = cte1.c1) WHERE b3t1.c1 = ( SELECT max(b4t1.c1) FROM s1.t1 b4t1 JOIN s1.t2 b4t2 ON(b4t1.c1 = b4t2.c1) WHERE b4t1.c1 = 1); /*+SeqScan(b1t1)IndexScan(b2t1 t1_pkey)BitmapScan(b3t1 t1_pkey)TidScan(b4t1) TidScan(b1t2)SeqScan(b2t2)IndexScan(b3t2 t2_pkey)BitmapScan(b4t2 t2_pkey) */ EXPLAIN (COSTS false) WITH cte1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 JOIN s1.t2 b1t2 ON(b1t1.c1 = b1t2.c1) WHERE b1t1.c1 = 1) SELECT max(b3t1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 JOIN s1.t2 b2t2 ON(b2t1.c1 = b2t2.c1) WHERE b2t1.c1 = 1 ) FROM s1.t1 b3t1 JOIN s1.t2 b3t2 ON(b3t1.c1 = b3t2.c1) JOIN cte1 ON(b3t1.c1 = cte1.c1) WHERE b3t1.c1 = ( SELECT max(b4t1.c1) FROM s1.t1 b4t1 JOIN s1.t2 b4t2 ON(b4t1.c1 = b4t2.c1) WHERE b4t1.c1 = 1); -- No. S-3-7-3 EXPLAIN (COSTS false) WITH cte1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 JOIN s1.t2 b1t2 ON(b1t1.c1 = b1t2.c1) WHERE b1t1.c1 = 1) SELECT max(b3t1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.c1 = 1 ) FROM s1.t1 b3t1 JOIN s1.t2 b3t2 ON(b3t1.c1 = b3t2.c1) JOIN cte1 ON(b3t1.c1 = cte1.c1) WHERE b3t1.c1 = ( SELECT max(b4t1.c1) FROM s1.t1 b4t1 WHERE b4t1.c1 = 1); /*+SeqScan(b1t1)IndexScan(b2t1 t1_pkey)BitmapScan(b3t1 t1_pkey)TidScan(b4t1) TidScan(b1t2)IndexScan(b3t2 t2_pkey) */ EXPLAIN (COSTS false) WITH cte1 (c1) AS ( SELECT max(b1t1.c1) FROM s1.t1 b1t1 JOIN s1.t2 b1t2 ON(b1t1.c1 = b1t2.c1) WHERE b1t1.c1 = 1) SELECT max(b3t1.c1), ( SELECT max(b2t1.c1) FROM s1.t1 b2t1 WHERE b2t1.c1 = 1 ) FROM s1.t1 b3t1 JOIN s1.t2 b3t2 ON(b3t1.c1 = b3t2.c1) JOIN cte1 ON(b3t1.c1 = cte1.c1) WHERE b3t1.c1 = ( SELECT max(b4t1.c1) FROM s1.t1 b4t1 WHERE b4t1.c1 = 1); ---- ---- No. S-3-8 inheritance table select/update type ---- -- No. S-3-8-1 EXPLAIN (COSTS false) SELECT * FROM ONLY s1.p1 WHERE c1 = 1; /*+IndexScan(p1)*/ EXPLAIN (COSTS false) SELECT * FROM ONLY s1.p1 WHERE c1 = 1; -- No. S-3-8-2 EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1; /*+IndexScan(p1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1; -- No. S-3-8-3 EXPLAIN (COSTS false) UPDATE ONLY s1.p1 SET c4 = c4 WHERE c1 = 1; /*+IndexScan(p1)*/ EXPLAIN (COSTS false) UPDATE ONLY s1.p1 SET c4 = c4 WHERE c1 = 1; /*+IndexScan(p1 p1_pkey)*/ EXPLAIN (COSTS false) UPDATE ONLY s1.p1 SET c4 = c4 WHERE c1 = 1; -- No. S-3-8-4 EXPLAIN (COSTS false) UPDATE s1.p1 SET c4 = c4 WHERE c1 = 1; /*+IndexScan(p1)*/ EXPLAIN (COSTS false) UPDATE s1.p1 SET c4 = c4 WHERE c1 = 1; /*+IndexScan(p1 p1_pkey)*/ EXPLAIN (COSTS false) UPDATE s1.p1 SET c4 = c4 WHERE c1 = 1; ---- ---- No. S-3-9 inheritance table number ---- -- No. S-3-9-1 EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1; /*+IndexScan(p1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1; -- No. S-3-9-2 EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1; /*+IndexScan(p2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1; ---- ---- No. S-3-10 inheritance table specified table ---- EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1; -- No. S-3-10-1 /*+IndexScan(p2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1; -- No. S-3-10-2 /*+IndexScan(p2c1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1; -- No. S-3-10-3 \o results/ut-S.tmpout EXPLAIN SELECT c4 FROM s1.p1 WHERE c2 * 2 < 100 AND c1 < 10; \o \! sql/maskout.sh results/ut-S.tmpout \o results/ut-S.tmpout /*+IndexScan(p1 p1_parent)*/ EXPLAIN SELECT c4 FROM s1.p1 WHERE c2 * 2 < 100 AND c1 < 10; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-10-4 \o results/ut-S.tmpout /*+IndexScan(p1 p1_i2)*/ EXPLAIN SELECT c2 FROM s1.p1 WHERE c2 = 1; \o \! sql/maskout.sh results/ut-S.tmpout -- No. S-3-10-5 \o results/ut-S.tmpout /*+IndexScan(p2 p2c1_pkey)*/ EXPLAIN (COSTS true) SELECT * FROM s1.p2 WHERE c1 = 1; \o \! sql/maskout.sh results/ut-S.tmpout ---- ---- No. S-3-12 specified same table ---- -- No. S-3-12-1 /*+IndexScan(ti1) BitmapScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-12-2 /*+IndexScan(ti1 ti1_pkey) BitmapScan(ti1 ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-12-3 /*+BitmapScan(ti1) IndexScan(ti1) BitmapScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-12-4 /*+BitmapScan(ti1 ti1_hash) IndexScan(ti1 ti1_pkey) BitmapScan(ti1 ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; ---- ---- No. S-3-13 message output of hint ---- -- No. S-3-13-1 /*+SeqScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-2 /*+SeqScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-3 /*+SeqScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-4 /*+IndexScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-5 /*+IndexScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-6 /*+IndexScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-7 /*+BitmapScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-8 /*+BitmapScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-9 /*+BitmapScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-10 /*+TidScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-11 /*+TidScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-12 /*+TidScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-13 /*+NoSeqScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-14 /*+NoSeqScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-15 /*+NoSeqScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-16 /*+NoIndexScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-17 /*+NoIndexScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-18 /*+NoIndexScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-19 /*+NoBitmapScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-20 /*+NoBitmapScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-21 /*+NoBitmapScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-22 /*+NoTidScan(ti1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-23 /*+NoTidScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-24 /*+NoTidScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)'; -- No. S-3-13-25 /*+IndexOnlyScan(ti1)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; -- No. S-3-13-26 /*+IndexOnlyScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; -- No. S-3-13-27 /*+IndexOnlyScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1; -- No. S-3-13-28 /*+NoIndexOnlyScan(ti1)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1; -- No. S-3-13-29 /*+NoIndexOnlyScan(ti1 ti1_pkey)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1; -- No. S-3-13-30 /*+NoIndexOnlyScan(ti1 ti1_pkey ti1_btree)*/ EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1; ---- ---- No. S-3-14 regular expression ---- EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-14-1 /*+IndexScanRegexp(ti1 ti1_.*_key)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-14-2 /*+IndexScanRegexp(ti1 ti1_i.)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-14-3 /*+IndexScanRegexp(ti1 no.*_exist)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-14-4 /*+IndexScanRegexp(p1 .*pkey)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1; -- No. S-3-14-5 /*+IndexScanRegexp(p1 p1.*i)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1; -- No. S-3-14-6 /*+IndexScanRegexp(p1 no.*_exist)*/ EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1; ---- ---- No. S-3-15 message output of index candidate ---- -- No. S-3-15-1 /*+IndexScan(ti1 ti1_i1)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-15-2 /*+IndexScan(ti1 not_exist)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-15-3 /*+IndexScan(ti1 ti1_i1 ti1_i2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-15-4 /*+IndexScan(ti1 ti1_i1 not_exist)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; -- No. S-3-15-5 /*+IndexScan(ti1 not_exist1 not_exist2)*/ EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1; DELETE FROM pg_db_role_setting WHERE setrole = (SELECT oid FROM pg_roles WHERE rolname = current_user); ALTER SYSTEM SET session_preload_libraries TO DEFAULT; SELECT pg_reload_conf(); \! rm results/ut-S.tmpout