firtst release
| Rev. | ae19f43d09e8bd15267ba57510440da7874c1575 |
|---|---|
| 大小 | 205,981 字节 |
| 时间 | 2016-04-22 13:38:42 |
| 作者 | MasaoFujii |
| Log Message | Use pg_reload_conf() to reload the configuration file in regression test.
Previously the regression test ran pg_ctl reload command for that purpose.
|
ForkLOAD '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();
pg_reload_conf
----------------
t
(1 row)
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;
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10;
QUERY PLAN
---------------------------------
Bitmap Heap Scan on t1
Recheck Cond: (c3 < 10)
-> Bitmap Index Scan on t1_i
Index Cond: (c3 < 10)
(4 rows)
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)';
QUERY PLAN
-----------------------------------
Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
----
---- 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;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on t1
Filter: (c1 = 1)
(2 rows)
-- No. S-1-1-2
/*+SeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 t_1 WHERE t_1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(t1)
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Index Scan using t1_i1 on t1 t_1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-1-1-3
/*+SeqScan(t_1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 t_1 WHERE t_1.c1 = 1;
LOG: pg_hint_plan:
used hint:
SeqScan(t_1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on t1 t_1
Filter: (c1 = 1)
(2 rows)
----
---- 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;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on t1
Filter: (c1 = 1)
(2 rows)
-- No. S-1-2-2
/*+SeqScan(s1.t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(s1.t1)
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
----
---- 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;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on t1
Filter: (c1 = 1)
(2 rows)
-- No. S-1-3-2
/*+SeqScan(t2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(t2)
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
----
---- 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;
QUERY PLAN
------------------------------------
Nested Loop
-> Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
-> Seq Scan on t2
Filter: (c1 = 1)
(5 rows)
/*+SeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = 1 AND t1.c1 = t2.c1;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------
Nested Loop
-> Seq Scan on t1
Filter: (c1 = 1)
-> Seq Scan on t2
Filter: (c1 = 1)
(5 rows)
-- 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;
QUERY PLAN
------------------------------------
Nested Loop
-> Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
-> Seq Scan on t1 t1_1
Filter: (c1 = 1)
(5 rows)
/*+BitmapScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s2.t1 WHERE s1.t1.c1 = 1 AND s1.t1.c1 = s2.t1.c1;
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Nested Loop
-> Bitmap Heap Scan on t1
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = 1)
-> Bitmap Heap Scan on t1 t1_1
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = 1)
(9 rows)
/*+BitmapScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s2.t1 s2t1 WHERE s1.t1.c1 = 1 AND s1.t1.c1 = s2t1.c1;
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------
Nested Loop
-> Bitmap Heap Scan on t1
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = 1)
-> Seq Scan on t1 s2t1
Filter: (c1 = 1)
(7 rows)
/*+BitmapScan(s2t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s2.t1 s2t1 WHERE s1.t1.c1 = 1 AND s1.t1.c1 = s2t1.c1;
LOG: pg_hint_plan:
used hint:
BitmapScan(s2t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Nested Loop
-> Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
-> Bitmap Heap Scan on t1 s2t1
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = 1)
(7 rows)
-- 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;
QUERY PLAN
---------------------------------------------------------------------
Index Only Scan using t1_i1 on t1
Index Cond: (c1 = 1)
InitPlan 2 (returns $1)
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Index Only Scan using t1_i1 on t1 t1_1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
(8 rows)
/*+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;
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------
Bitmap Heap Scan on t1
Recheck Cond: (c1 = 1)
InitPlan 2 (returns $1)
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Bitmap Heap Scan on t1 t1_1
Recheck Cond: ((c1 IS NOT NULL) AND (c1 = 1))
-> Bitmap Index Scan on t1_i1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = 1)
(12 rows)
/*+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;
LOG: pg_hint_plan:
used hint:
BitmapScan(t11)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------
Index Only Scan using t1_i1 on t1 t12
Index Cond: (c1 = 1)
InitPlan 2 (returns $1)
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Bitmap Heap Scan on t1 t11
Recheck Cond: ((c1 IS NOT NULL) AND (c1 = 1))
-> Bitmap Index Scan on t1_i1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
(10 rows)
/*+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;
LOG: pg_hint_plan:
used hint:
BitmapScan(t12)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------
Bitmap Heap Scan on t1 t12
Recheck Cond: (c1 = 1)
InitPlan 2 (returns $1)
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Index Only Scan using t1_i1 on t1 t11
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = 1)
(10 rows)
----
---- 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;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on t1
Filter: (c1 = 1)
(2 rows)
-- No. S-1-5-2
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE p1.c1 = 1;
QUERY PLAN
--------------------------
Append
-> Seq Scan on p1
Filter: (c1 = 1)
-> Seq Scan on p1c1
Filter: (c1 = 1)
(5 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE p1.c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Append
-> Index Scan using p1_i on p1
Index Cond: (c1 = 1)
-> Index Scan using p1c1_i on p1c1
Index Cond: (c1 = 1)
(5 rows)
-- No. S-1-5-3
EXPLAIN (COSTS false) SELECT * FROM s1.ul1 WHERE ul1.c1 = 1;
QUERY PLAN
----------------------------------
Index Scan using ul1_pkey on ul1
Index Cond: (c1 = 1)
(2 rows)
/*+SeqScan(ul1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ul1 WHERE ul1.c1 = 1;
LOG: pg_hint_plan:
used hint:
SeqScan(ul1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on ul1
Filter: (c1 = 1)
(2 rows)
-- No. S-1-5-4
CREATE TEMP TABLE tm1 (LIKE s1.t1 INCLUDING ALL);
EXPLAIN (COSTS false) SELECT * FROM tm1 WHERE tm1.c1 = 1;
QUERY PLAN
----------------------------------
Index Scan using tm1_pkey on tm1
Index Cond: (c1 = 1)
(2 rows)
/*+SeqScan(tm1)*/
EXPLAIN (COSTS false) SELECT * FROM tm1 WHERE tm1.c1 = 1;
LOG: pg_hint_plan:
used hint:
SeqScan(tm1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on tm1
Filter: (c1 = 1)
(2 rows)
-- No. S-1-5-5
EXPLAIN (COSTS false) SELECT * FROM pg_catalog.pg_class WHERE oid = 1;
QUERY PLAN
-------------------------------------------------
Index Scan using pg_class_oid_index on pg_class
Index Cond: (oid = '1'::oid)
(2 rows)
/*+SeqScan(pg_class)*/
EXPLAIN (COSTS false) SELECT * FROM pg_catalog.pg_class WHERE oid = 1;
LOG: pg_hint_plan:
used hint:
SeqScan(pg_class)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------
Seq Scan on pg_class
Filter: (oid = '1'::oid)
(2 rows)
-- 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;
QUERY PLAN
-------------------------
Function Scan on f1 ft1
Filter: (c1 = 1)
(2 rows)
/*+SeqScan(ft1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.f1() AS ft1 WHERE ft1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(ft1)
duplication hint:
error hint:
QUERY PLAN
-------------------------
Function Scan on f1 ft1
Filter: (c1 = 1)
(2 rows)
-- 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;
QUERY PLAN
---------------------------
Values Scan on "*VALUES*"
Filter: (column1 = 1)
(2 rows)
/*+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;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(val1)
duplication hint:
error hint:
QUERY PLAN
---------------------------
Values Scan on "*VALUES*"
Filter: (column1 = 1)
(2 rows)
/*+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;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(*VALUES*)
duplication hint:
error hint:
QUERY PLAN
---------------------------
Values Scan on "*VALUES*"
Filter: (column1 = 1)
(2 rows)
-- 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;
QUERY PLAN
---------------------------------------------------------------------
Nested Loop
CTE c1
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Index Only Scan using t1_i1 on t1 t1_1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
-> Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
-> CTE Scan on c1
Filter: (c1 = 1)
(11 rows)
/*+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;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(c1)
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------
Nested Loop
CTE c1
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Index Only Scan using t1_i1 on t1 t1_1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
-> Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
-> CTE Scan on c1
Filter: (c1 = 1)
(11 rows)
-- No. S-1-5-10
EXPLAIN (COSTS false) SELECT * FROM s1.v1 WHERE v1.c1 = 1;
QUERY PLAN
-----------------------------------
Index Scan using t1_i1 on t1 v1t1
Index Cond: (c1 = 1)
(2 rows)
/*+SeqScan(v1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.v1 WHERE v1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(v1)
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Index Scan using t1_i1 on t1 v1t1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-1-5-11
EXPLAIN (COSTS false) SELECT * FROM (SELECT * FROM s1.t1 WHERE t1.c1 = 1) AS s1 WHERE s1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+SeqScan(s1)*/
EXPLAIN (COSTS false) SELECT * FROM (SELECT * FROM s1.t1 WHERE t1.c1 = 1) AS s1 WHERE s1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(s1)
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
----
---- 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
;
QUERY PLAN
------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t2.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t3.c1)
-> Index Only Scan using t1_i1 on t1 b1t1
-> Index Only Scan using t3_i1 on t3 b1t3
-> Sort
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
-> Index Only Scan using t4_i1 on t4 b1t4
Index Cond: (c1 = b1t3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt2.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt3.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
-> Index Only Scan using t3_i1 on t3 bmt3
-> Sort
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
(29 rows)
/*+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
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
SeqScan(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $2)
-> Aggregate
-> Hash Join
Hash Cond: (b1t1.c1 = b1t2.c1)
-> Seq Scan on t1 b1t1
-> Hash
-> Nested Loop
Join Filter: (b1t2.c1 = b1t3.c1)
-> Nested Loop
-> Seq Scan on t2 b1t2
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t2.c1)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t2.c1)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t4.c1)
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = bmt2.c1)
-> Seq Scan on t1 bmt1
-> Hash
-> Index Scan using t2_pkey on t2 bmt2
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
(31 rows)
-- 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
;
QUERY PLAN
------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t2.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t3.c1)
-> Index Only Scan using t1_i1 on t1 b1t1
-> Index Only Scan using t3_i1 on t3 b1t3
-> Sort
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
-> Index Only Scan using t4_i1 on t4 b1t4
Index Cond: (c1 = b1t3.c1)
InitPlan 2 (returns $3)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
-> Merge Join
Merge Cond: (b2t1.c1 = b2t2.c1)
-> Merge Join
Merge Cond: (b2t1.c1 = b2t3.c1)
-> Index Only Scan using t1_i1 on t1 b2t1
-> Index Only Scan using t3_i1 on t3 b2t3
-> Sort
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
-> Index Only Scan using t4_i1 on t4 b2t4
Index Cond: (c1 = b2t3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt2.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt3.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
-> Index Only Scan using t3_i1 on t3 bmt3
-> Sort
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
(44 rows)
/*+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
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t4): t4_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
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(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $2)
-> Aggregate
-> Hash Join
Hash Cond: (b1t1.c1 = b1t2.c1)
-> Seq Scan on t1 b1t1
-> Hash
-> Nested Loop
Join Filter: (b1t2.c1 = b1t3.c1)
-> Nested Loop
-> Seq Scan on t2 b1t2
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t2.c1)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t2.c1)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t4.c1)
InitPlan 2 (returns $4)
-> Aggregate
-> Hash Join
Hash Cond: (b2t3.c1 = b2t1.c1)
-> Seq Scan on t3 b2t3
-> Hash
-> Merge Join
Merge Cond: (b2t1.c1 = b2t2.c1)
-> Nested Loop
-> Index Scan using t4_pkey on t4 b2t4
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: (c1 = b2t4.c1)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = b2t4.c1)
-> Sort
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = bmt2.c1)
-> Seq Scan on t1 bmt1
-> Hash
-> Index Scan using t2_pkey on t2 bmt2
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
(48 rows)
-- 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;
QUERY PLAN
----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt2.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt3.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
-> Index Only Scan using t3_i1 on t3 bmt3
-> Sort
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
(14 rows)
/*+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;
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------------------------------------------
Aggregate
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = bmt2.c1)
-> Seq Scan on t1 bmt1
-> Hash
-> Index Scan using t2_pkey on t2 bmt2
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
(15 rows)
-- 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;
QUERY PLAN
----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt2.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt3.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
-> Index Only Scan using t3_i1 on t3 bmt3
-> Sort
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
(14 rows)
/*+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;
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------------------------------------------
Aggregate
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = bmt2.c1)
-> Seq Scan on t1 bmt1
-> Hash
-> Index Scan using t2_pkey on t2 bmt2
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
(15 rows)
-- 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
)
;
QUERY PLAN
------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t2.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t3.c1)
-> Index Only Scan using t1_i1 on t1 b1t1
-> Index Only Scan using t3_i1 on t3 b1t3
-> Sort
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
-> Index Only Scan using t4_i1 on t4 b1t4
Index Cond: (c1 = b1t3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt2.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt3.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
Filter: (c1 <> $1)
-> Index Only Scan using t3_i1 on t3 bmt3
-> Sort
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
(30 rows)
/*+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
)
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
SeqScan(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $2)
-> Aggregate
-> Hash Join
Hash Cond: (b1t1.c1 = b1t2.c1)
-> Seq Scan on t1 b1t1
-> Hash
-> Nested Loop
Join Filter: (b1t2.c1 = b1t3.c1)
-> Nested Loop
-> Seq Scan on t2 b1t2
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t2.c1)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t2.c1)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t4.c1)
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = bmt2.c1)
-> Seq Scan on t1 bmt1
Filter: (c1 <> $2)
-> Hash
-> Index Scan using t2_pkey on t2 bmt2
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
(32 rows)
-- 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
)
;
QUERY PLAN
------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t2.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t3.c1)
-> Index Only Scan using t1_i1 on t1 b1t1
-> Index Only Scan using t3_i1 on t3 b1t3
-> Sort
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
-> Index Only Scan using t4_i1 on t4 b1t4
Index Cond: (c1 = b1t3.c1)
InitPlan 2 (returns $3)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
-> Merge Join
Merge Cond: (b2t1.c1 = b2t2.c1)
-> Merge Join
Merge Cond: (b2t1.c1 = b2t3.c1)
-> Index Only Scan using t1_i1 on t1 b2t1
-> Index Only Scan using t3_i1 on t3 b2t3
-> Sort
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
-> Index Only Scan using t4_i1 on t4 b2t4
Index Cond: (c1 = b2t3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt2.c1)
-> Merge Join
Merge Cond: (bmt1.c1 = bmt3.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
Filter: ((c1 <> $1) AND (c1 <> $3))
-> Index Only Scan using t3_i1 on t3 bmt3
-> Sort
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
(45 rows)
/*+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
)
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t4): t4_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
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(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $2)
-> Aggregate
-> Hash Join
Hash Cond: (b1t1.c1 = b1t2.c1)
-> Seq Scan on t1 b1t1
-> Hash
-> Nested Loop
Join Filter: (b1t2.c1 = b1t3.c1)
-> Nested Loop
-> Seq Scan on t2 b1t2
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t2.c1)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t2.c1)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t4.c1)
InitPlan 2 (returns $4)
-> Aggregate
-> Hash Join
Hash Cond: (b2t3.c1 = b2t1.c1)
-> Seq Scan on t3 b2t3
-> Hash
-> Merge Join
Merge Cond: (b2t1.c1 = b2t2.c1)
-> Nested Loop
-> Index Scan using t4_pkey on t4 b2t4
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: (c1 = b2t4.c1)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = b2t4.c1)
-> Sort
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = bmt2.c1)
-> Seq Scan on t1 bmt1
Filter: ((c1 <> $2) AND (c1 <> $4))
-> Hash
-> Index Scan using t2_pkey on t2 bmt2
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
(49 rows)
-- 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
;
QUERY PLAN
------------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t2.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t3.c1)
-> Index Only Scan using t1_i1 on t1 b1t1
-> Index Only Scan using t3_i1 on t3 b1t3
-> Sort
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
-> Index Only Scan using t4_i1 on t4 b1t4
Index Cond: (c1 = b1t3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Nested Loop
Join Filter: (bmt2.c1 = bmt1.c1)
-> Nested Loop
-> Hash Join
Hash Cond: (bmt2.c1 = c1.c1)
-> Seq Scan on t2 bmt2
-> Hash
-> CTE Scan on c1
-> Index Only Scan using t3_i1 on t3 bmt3
Index Cond: (c1 = bmt2.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
Index Cond: (c1 = bmt3.c1)
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
(32 rows)
/*+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
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
SeqScan(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Hash Join
Hash Cond: (b1t1.c1 = b1t2.c1)
-> Seq Scan on t1 b1t1
-> Hash
-> Nested Loop
Join Filter: (b1t2.c1 = b1t3.c1)
-> Nested Loop
-> Seq Scan on t2 b1t2
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t2.c1)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t2.c1)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t4.c1)
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = c1.c1)
-> Seq Scan on t1 bmt1
-> Hash
-> CTE Scan on c1
-> Index Scan using t2_pkey on t2 bmt2
Index Cond: (c1 = bmt1.c1)
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
(34 rows)
-- 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
;
QUERY PLAN
------------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t2.c1)
-> Merge Join
Merge Cond: (b1t1.c1 = b1t3.c1)
-> Index Only Scan using t1_i1 on t1 b1t1
-> Index Only Scan using t3_i1 on t3 b1t3
-> Sort
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
-> Index Only Scan using t4_i1 on t4 b1t4
Index Cond: (c1 = b1t3.c1)
CTE c2
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
-> Merge Join
Merge Cond: (b2t1.c1 = b2t2.c1)
-> Merge Join
Merge Cond: (b2t1.c1 = b2t3.c1)
-> Index Only Scan using t1_i1 on t1 b2t1
-> Index Only Scan using t3_i1 on t3 b2t3
-> Sort
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
-> Index Only Scan using t4_i1 on t4 b2t4
Index Cond: (c1 = b2t3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = c2.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Nested Loop
Join Filter: (bmt2.c1 = bmt1.c1)
-> Nested Loop
-> Hash Join
Hash Cond: (bmt2.c1 = c1.c1)
-> Seq Scan on t2 bmt2
-> Hash
-> CTE Scan on c1
-> Index Only Scan using t3_i1 on t3 bmt3
Index Cond: (c1 = bmt2.c1)
-> Index Only Scan using t1_i1 on t1 bmt1
Index Cond: (c1 = bmt3.c1)
-> Index Only Scan using t4_i1 on t4 bmt4
Index Cond: (c1 = bmt3.c1)
-> CTE Scan on c2
(50 rows)
/*+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
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t4): t4_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
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(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Hash Join
Hash Cond: (b1t1.c1 = b1t2.c1)
-> Seq Scan on t1 b1t1
-> Hash
-> Nested Loop
Join Filter: (b1t2.c1 = b1t3.c1)
-> Nested Loop
-> Seq Scan on t2 b1t2
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t2.c1)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t2.c1)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t4.c1)
CTE c2
-> Aggregate
-> Hash Join
Hash Cond: (b2t3.c1 = b2t1.c1)
-> Seq Scan on t3 b2t3
-> Hash
-> Merge Join
Merge Cond: (b2t1.c1 = b2t2.c1)
-> Nested Loop
-> Index Scan using t4_pkey on t4 b2t4
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: (c1 = b2t4.c1)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = b2t4.c1)
-> Sort
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Seq Scan on t4 bmt4
-> Hash
-> Nested Loop
Join Filter: (bmt1.c1 = c2.c1)
-> Nested Loop
-> Nested Loop
-> Hash Join
Hash Cond: (bmt1.c1 = c1.c1)
-> Seq Scan on t1 bmt1
-> Hash
-> CTE Scan on c1
-> Index Scan using t2_pkey on t2 bmt2
Index Cond: (c1 = bmt1.c1)
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
-> CTE Scan on c2
(54 rows)
----
---- 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
)
;
QUERY PLAN
-----------------------------------------------------------------
Aggregate
CTE c1
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 4 (returns $3)
-> Result
InitPlan 3 (returns $2)
-> Limit
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 6 (returns $5)
-> Result
InitPlan 5 (returns $4)
-> Limit
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
-> Nested Loop
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 <> $5) AND (c1 = 1))
-> CTE Scan on c1
(27 rows)
/*+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
)
;
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b3t1): t1_pkey
LOG: available indexes for IndexScan(b3t1): t1_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
BitmapScan(b2t1 t1_pkey)
IndexScan(b3t1 t1_pkey)
SeqScan(bmt1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------
Aggregate
CTE c1
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 4 (returns $3)
-> Result
InitPlan 3 (returns $2)
-> Limit
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: ((c1 IS NOT NULL) AND (c1 = 1))
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t1_pkey
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 6 (returns $5)
-> Result
InitPlan 5 (returns $4)
-> Limit
-> Index Scan using t1_pkey on t1 b3t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Seq Scan on t1 bmt1
Filter: ((c1 <> $5) AND (ctid = '(1,1)'::tid) AND (c1 = 1))
-> CTE Scan on c1
(28 rows)
-- 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)'
)
;
QUERY PLAN
-------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b2t2
Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b3t2
Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 <> $2)
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
-> CTE Scan on c1
(34 rows)
/*+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)'
)
;
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b3t1): t1_pkey
LOG: available indexes for BitmapScan(b3t2): t2_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
BitmapScan(b2t1 t1_pkey)
TidScan(b2t2)
IndexScan(b3t1 t1_pkey)
BitmapScan(b3t2 t2_pkey)
SeqScan(bmt1)
IndexScan(bmt2 t2_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $2)
-> Aggregate
-> Nested Loop
-> Tid Scan on t2 b2t2
TID Cond: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: (c1 = b2t2.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = b2t2.c1)
InitPlan 3 (returns $4)
-> Aggregate
-> Nested Loop
-> Index Scan using t1_pkey on t1 b3t1
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t2 b3t2
Recheck Cond: (c1 = b3t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t2_pkey
Index Cond: (c1 = b3t1.c1)
-> Nested Loop
-> Nested Loop
-> Seq Scan on t1 bmt1
Filter: ((c1 <> $4) AND (ctid = '(1,1)'::tid))
-> Index Scan using t2_pkey on t2 bmt2
Index Cond: (c1 = bmt1.c1)
Filter: (ctid = '(1,1)'::tid)
-> CTE Scan on c1
(37 rows)
-- 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)'
)
;
QUERY PLAN
-------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b2t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b2t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b3t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b3t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b3t4
TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = c1.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 <> $2)
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 bmt3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 bmt4
TID Cond: (ctid = '(1,1)'::tid)
-> CTE Scan on c1
(67 rows)
/*+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)'
)
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t4): t4_pkey
LOG: available indexes for IndexScan(b3t1): t1_pkey
LOG: available indexes for BitmapScan(b3t2): t2_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
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(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t1.c1)
InitPlan 2 (returns $4)
-> Aggregate
-> Nested Loop
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
-> Nested Loop
-> Tid Scan on t2 b2t2
TID Cond: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: (c1 = b2t2.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = b2t2.c1)
-> Seq Scan on t3 b2t3
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t4_pkey on t4 b2t4
Index Cond: (c1 = b2t1.c1)
Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $7)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
-> Nested Loop
-> Nested Loop
-> Tid Scan on t3 b3t3
TID Cond: (ctid = '(1,1)'::tid)
-> Index Scan using t1_pkey on t1 b3t1
Index Cond: (c1 = b3t3.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t2 b3t2
Recheck Cond: (c1 = b3t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t2_pkey
Index Cond: (c1 = b3t1.c1)
-> Seq Scan on t4 b3t4
Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = c1.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Nested Loop
-> Nested Loop
-> Seq Scan on t1 bmt1
Filter: ((c1 <> $7) AND (ctid = '(1,1)'::tid))
-> Index Scan using t2_pkey on t2 bmt2
Index Cond: (c1 = bmt1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
-> Tid Scan on t4 bmt4
TID Cond: (ctid = '(1,1)'::tid)
-> CTE Scan on c1
(74 rows)
-- 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)'
)
;
QUERY PLAN
-------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Result
InitPlan 2 (returns $1)
-> Limit
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 4 (returns $3)
-> Aggregate
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = c1.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 <> $3)
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 bmt3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 bmt4
TID Cond: (ctid = '(1,1)'::tid)
-> CTE Scan on c1
(46 rows)
/*+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)'
)
;
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b3t1): t1_pkey
LOG: available indexes for IndexScan(b3t1): t1_pkey
LOG: available indexes for IndexScan(bmt2): t2_pkey
LOG: available indexes for BitmapScan(bmt3): t3_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
BitmapScan(b2t1 t1_pkey)
IndexScan(b3t1 t1_pkey)
SeqScan(bmt1)
IndexScan(bmt2 t2_pkey)
BitmapScan(bmt3 t3_pkey)
TidScan(bmt4)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t1.c1)
InitPlan 3 (returns $3)
-> Result
InitPlan 2 (returns $2)
-> Limit
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: ((c1 IS NOT NULL) AND (c1 = 1))
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t1_pkey
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 5 (returns $5)
-> Result
InitPlan 4 (returns $4)
-> Limit
-> Index Scan Backward using t1_pkey on t1 b3t1
Index Cond: (c1 IS NOT NULL)
Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = c1.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
-> Nested Loop
-> Nested Loop
-> Seq Scan on t1 bmt1
Filter: ((c1 <> $5) AND (ctid = '(1,1)'::tid))
-> Index Scan using t2_pkey on t2 bmt2
Index Cond: (c1 = bmt1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t3 bmt3
Recheck Cond: (c1 = bmt1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t3_pkey
Index Cond: (c1 = bmt1.c1)
-> Tid Scan on t4 bmt4
TID Cond: (ctid = '(1,1)'::tid)
-> CTE Scan on c1
(54 rows)
----
---- 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)';
QUERY PLAN
-----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Tid Scan on r1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
(19 rows)
/*+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)';
LOG: available indexes for IndexScan(t3): t3_pkey
LOG: available indexes for BitmapScan(t4): t4_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(r1)
TidScan(t1)
SeqScan(t2)
IndexScan(t3 t3_pkey)
BitmapScan(t4 t4_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Seq Scan on r1
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3
Index Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4
Recheck Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = t1.c1)
(20 rows)
EXPLAIN (COSTS false) UPDATE s1.r1_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
-----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Nested Loop
-> Tid Scan on r1_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
(19 rows)
/*+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)';
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
SeqScan(r1_)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Nested Loop
-> Seq Scan on r1_
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t1.c1)
(20 rows)
-- No. S-2-3-2
EXPLAIN (COSTS false) UPDATE s1.r2 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
-----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Tid Scan on r2
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Tid Scan on r2
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
(39 rows)
/*+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)';
LOG: available indexes for IndexScan(t3): t3_pkey
LOG: available indexes for BitmapScan(t4): t4_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(r2)
TidScan(t1)
SeqScan(t2)
IndexScan(t3 t3_pkey)
BitmapScan(t4 t4_pkey)
not used hint:
duplication hint:
error hint:
LOG: available indexes for IndexScan(t3): t3_pkey
LOG: available indexes for BitmapScan(t4): t4_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(r2)
TidScan(t1)
SeqScan(t2)
IndexScan(t3 t3_pkey)
BitmapScan(t4 t4_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Seq Scan on r2
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3
Index Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4
Recheck Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = t1.c1)
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Seq Scan on r2
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3
Index Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4
Recheck Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = t1.c1)
(41 rows)
EXPLAIN (COSTS false) UPDATE s1.r2_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
-----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Nested Loop
-> Tid Scan on r2_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Nested Loop
-> Tid Scan on r2_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b2t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b2t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
(39 rows)
/*+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)';
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
SeqScan(r2_)
not used hint:
BitmapScan(b2t1 t1_pkey)
TidScan(b2t2)
SeqScan(b2t3)
IndexScan(b2t4 t4_pkey)
duplication hint:
error hint:
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t4): t4_pkey
LOG: pg_hint_plan:
used hint:
BitmapScan(b2t1 t1_pkey)
TidScan(b2t2)
SeqScan(b2t3)
IndexScan(b2t4 t4_pkey)
SeqScan(r2_)
not used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Nested Loop
-> Seq Scan on r2_
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t1.c1)
Aggregate
-> Nested Loop
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
-> Nested Loop
-> Nested Loop
-> Seq Scan on r2_
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t2 b2t2
TID Cond: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: (c1 = b2t2.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = b2t2.c1)
-> Seq Scan on t3 b2t3
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t4_pkey on t4 b2t4
Index Cond: (c1 = b2t1.c1)
Filter: (ctid = '(1,1)'::tid)
(41 rows)
-- No. S-2-3-3
EXPLAIN (COSTS false) UPDATE s1.r3 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
-----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
(59 rows)
/*+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)';
LOG: available indexes for IndexScan(t3): t3_pkey
LOG: available indexes for BitmapScan(t4): t4_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(r3)
TidScan(t1)
SeqScan(t2)
IndexScan(t3 t3_pkey)
BitmapScan(t4 t4_pkey)
not used hint:
duplication hint:
error hint:
LOG: available indexes for IndexScan(t3): t3_pkey
LOG: available indexes for BitmapScan(t4): t4_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(r3)
TidScan(t1)
SeqScan(t2)
IndexScan(t3 t3_pkey)
BitmapScan(t4 t4_pkey)
not used hint:
duplication hint:
error hint:
LOG: available indexes for IndexScan(t3): t3_pkey
LOG: available indexes for BitmapScan(t4): t4_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(r3)
TidScan(t1)
SeqScan(t2)
IndexScan(t3 t3_pkey)
BitmapScan(t4 t4_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Seq Scan on r3
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3
Index Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4
Recheck Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = t1.c1)
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Seq Scan on r3
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3
Index Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4
Recheck Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = t1.c1)
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
-> Nested Loop
-> Seq Scan on r3
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3
Index Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4
Recheck Cond: (c1 = t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = t1.c1)
(62 rows)
EXPLAIN (COSTS false) UPDATE s1.r3_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
-----------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Nested Loop
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Nested Loop
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b2t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b2t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Nested Loop
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b3t2
Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on t3 b3t3
TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on t4 b3t4
TID Cond: (ctid = '(1,1)'::tid)
(59 rows)
/*+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)';
LOG: available indexes for IndexScan(b1t3): t3_pkey
LOG: available indexes for BitmapScan(b1t4): t4_pkey
LOG: pg_hint_plan:
used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
SeqScan(r3_)
not used hint:
BitmapScan(b2t1 t1_pkey)
TidScan(b2t2)
SeqScan(b2t3)
IndexScan(b2t4 t4_pkey)
IndexScan(b3t1 t1_pkey)
BitmapScan(b3t2 t2_pkey)
TidScan(b3t3)
SeqScan(b3t4)
duplication hint:
error hint:
LOG: available indexes for BitmapScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t4): t4_pkey
LOG: pg_hint_plan:
used hint:
BitmapScan(b2t1 t1_pkey)
TidScan(b2t2)
SeqScan(b2t3)
IndexScan(b2t4 t4_pkey)
SeqScan(r3_)
not used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
IndexScan(b3t1 t1_pkey)
BitmapScan(b3t2 t2_pkey)
TidScan(b3t3)
SeqScan(b3t4)
duplication hint:
error hint:
LOG: available indexes for IndexScan(b3t1): t1_pkey
LOG: available indexes for BitmapScan(b3t2): t2_pkey
LOG: pg_hint_plan:
used hint:
IndexScan(b3t1 t1_pkey)
BitmapScan(b3t2 t2_pkey)
TidScan(b3t3)
SeqScan(b3t4)
SeqScan(r3_)
not used hint:
TidScan(b1t1)
SeqScan(b1t2)
IndexScan(b1t3 t3_pkey)
BitmapScan(b1t4 t4_pkey)
BitmapScan(b2t1 t1_pkey)
TidScan(b2t2)
SeqScan(b2t3)
IndexScan(b2t4 t4_pkey)
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------
Aggregate
-> Nested Loop
-> Nested Loop
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Nested Loop
-> Seq Scan on r3_
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t3_pkey on t3 b1t3
Index Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t4 b1t4
Recheck Cond: (c1 = b1t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t4_pkey
Index Cond: (c1 = b1t1.c1)
Aggregate
-> Nested Loop
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
-> Nested Loop
-> Nested Loop
-> Seq Scan on r3_
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t2 b2t2
TID Cond: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t1 b2t1
Recheck Cond: (c1 = b2t2.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = b2t2.c1)
-> Seq Scan on t3 b2t3
Filter: (ctid = '(1,1)'::tid)
-> Index Scan using t4_pkey on t4 b2t4
Index Cond: (c1 = b2t1.c1)
Filter: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
-> Nested Loop
-> Nested Loop
-> Nested Loop
-> Seq Scan on r3_
Filter: ((ctid = '(1,1)'::tid) AND (c1 = 1))
-> Tid Scan on t3 b3t3
TID Cond: (ctid = '(1,1)'::tid)
-> Index Scan using t1_pkey on t1 b3t1
Index Cond: (c1 = b3t3.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t2 b3t2
Recheck Cond: (c1 = b3t1.c1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on t2_pkey
Index Cond: (c1 = b3t1.c1)
-> Seq Scan on t4 b3t4
Filter: (ctid = '(1,1)'::tid)
(62 rows)
-- No. S-2-3-4
EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1 v2 WHERE v1.c1 = v2.c1;
QUERY PLAN
------------------------------------
Hash Join
Hash Cond: (v1t1.c1 = v1t1_1.c1)
-> Seq Scan on t1 v1t1
-> Hash
-> Seq Scan on t1 v1t1_1
(5 rows)
/*+BitmapScan(v1t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1 v2 WHERE v1.c1 = v2.c1;
LOG: pg_hint_plan:
used hint:
BitmapScan(v1t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Nested Loop
-> Index Scan using t1_i1 on t1 v1t1
-> Bitmap Heap Scan on t1 v1t1_1
Recheck Cond: (c1 = v1t1.c1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = v1t1.c1)
(6 rows)
-- No. S-2-3-5
EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1_ v2 WHERE v1.c1 = v2.c1;
QUERY PLAN
-----------------------------------
Hash Join
Hash Cond: (v1t1.c1 = v1t1_.c1)
-> Seq Scan on t1 v1t1
-> Hash
-> Seq Scan on t1 v1t1_
(5 rows)
/*+SeqScan(v1t1)BitmapScan(v1t1_)*/
EXPLAIN (COSTS false) SELECT * FROM s1.v1 v1, s1.v1_ v2 WHERE v1.c1 = v2.c1;
LOG: pg_hint_plan:
used hint:
SeqScan(v1t1)
BitmapScan(v1t1_)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Nested Loop
-> Seq Scan on t1 v1t1
-> Bitmap Heap Scan on t1 v1t1_
Recheck Cond: (c1 = v1t1.c1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = v1t1.c1)
(6 rows)
-- No. S-2-3-6
EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r4 t2 WHERE t1.c1 = t2.c1;
QUERY PLAN
------------------------------------
Hash Join
Hash Cond: (r4t1.c1 = r4t1_1.c1)
-> Seq Scan on t1 r4t1
-> Hash
-> Seq Scan on t1 r4t1_1
(5 rows)
/*+BitmapScan(r4t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r4 t2 WHERE t1.c1 = t2.c1;
LOG: pg_hint_plan:
used hint:
BitmapScan(r4t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Nested Loop
-> Index Scan using t1_i1 on t1 r4t1
-> Bitmap Heap Scan on t1 r4t1_1
Recheck Cond: (c1 = r4t1.c1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = r4t1.c1)
(6 rows)
-- No. S-2-3-7
EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r5 t2 WHERE t1.c1 = t2.c1;
QUERY PLAN
----------------------------------
Hash Join
Hash Cond: (r4t1.c1 = r5t1.c1)
-> Seq Scan on t1 r4t1
-> Hash
-> Seq Scan on t1 r5t1
(5 rows)
/*+SeqScan(r4t1)BitmapScan(r5t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.r4 t1, s1.r5 t2 WHERE t1.c1 = t2.c1;
LOG: pg_hint_plan:
used hint:
SeqScan(r4t1)
BitmapScan(r5t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Nested Loop
-> Seq Scan on t1 r4t1
-> Bitmap Heap Scan on t1 r5t1
Recheck Cond: (c1 = r4t1.c1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = r4t1.c1)
(6 rows)
----
---- 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;
QUERY PLAN
------------
Result
(1 row)
/*+SeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1')) AS t1 (c1) WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(t1)
duplication hint:
error hint:
QUERY PLAN
------------
Result
(1 row)
/*+SeqScan(*VALUES*)*/
EXPLAIN (COSTS false) SELECT * FROM (VALUES(1,1,1,'1')) AS t1 (c1) WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(*VALUES*)
duplication hint:
error hint:
QUERY PLAN
------------
Result
(1 row)
-- 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;
QUERY PLAN
----------------------------------------------------------
Hash Join
Hash Cond: ("*VALUES*".column1 = "*VALUES*_1".column1)
-> Values Scan on "*VALUES*"
-> Hash
-> Values Scan on "*VALUES*_1"
(5 rows)
/*+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;
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: SeqScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
SeqScan(t1 t2)
QUERY PLAN
----------------------------------------------------------
Hash Join
Hash Cond: ("*VALUES*".column1 = "*VALUES*_1".column1)
-> Values Scan on "*VALUES*"
-> Hash
-> Values Scan on "*VALUES*_1"
(5 rows)
/*+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;
LOG: pg_hint_plan:
used hint:
not used hint:
SeqScan(*VALUES*)
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------
Hash Join
Hash Cond: ("*VALUES*".column1 = "*VALUES*_1".column1)
-> Values Scan on "*VALUES*"
-> Hash
-> Values Scan on "*VALUES*_1"
(5 rows)
----
---- No. S-3-1 scan method hint
----
-- No. S-3-1-1
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
/*+SeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
-- No. S-3-1-2
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+SeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on t1
Filter: (c1 = 1)
(2 rows)
-- No. S-3-1-3
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+IndexScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-1-4
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
/*+IndexScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
LOG: pg_hint_plan:
used hint:
IndexScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-1-5
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10;
QUERY PLAN
---------------------------------
Bitmap Heap Scan on t1
Recheck Cond: (c3 < 10)
-> Bitmap Index Scan on t1_i
Index Cond: (c3 < 10)
(4 rows)
/*+BitmapScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10;
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------
Bitmap Heap Scan on t1
Recheck Cond: (c3 < 10)
-> Bitmap Index Scan on t1_i
Index Cond: (c3 < 10)
(4 rows)
-- No. S-3-1-6
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+BitmapScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Bitmap Heap Scan on t1
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = 1)
(4 rows)
-- No. S-3-1-7
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)';
QUERY PLAN
-----------------------------------
Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
/*+TidScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
TidScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- 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)');
QUERY PLAN
-------------------------------------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
Filter: (ctid = ANY ('{"(1,1)","(2,2)","(3,3)"}'::tid[]))
(3 rows)
/*+TidScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid IN ('(1,1)', '(2,2)', '(3,3)');
LOG: pg_hint_plan:
used hint:
TidScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------
Tid Scan on t1
TID Cond: (ctid = ANY ('{"(1,1)","(2,2)","(3,3)"}'::tid[]))
Filter: (c1 = 1)
(3 rows)
-- No. S-3-1-9
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
/*+NoSeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
LOG: pg_hint_plan:
used hint:
NoSeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-1-10
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+NoSeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
NoSeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-1-11
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+NoIndexScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
NoIndexScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Bitmap Heap Scan on t1
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on t1_i1
Index Cond: (c1 = 1)
(4 rows)
-- No. S-3-1-12
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
/*+NoIndexScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 >= 1;
LOG: pg_hint_plan:
used hint:
NoIndexScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
-- No. S-3-1-13
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10;
QUERY PLAN
---------------------------------
Bitmap Heap Scan on t1
Recheck Cond: (c3 < 10)
-> Bitmap Index Scan on t1_i
Index Cond: (c3 < 10)
(4 rows)
/*+NoBitmapScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c3 < 10;
LOG: pg_hint_plan:
used hint:
NoBitmapScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c3 < 10)
(2 rows)
-- No. S-3-1-14
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+NoBitmapScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
NoBitmapScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-1-15
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)';
QUERY PLAN
-----------------------------------
Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
/*+NoTidScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1 AND t1.ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
NoTidScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- No. S-3-1-16
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+NoTidScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
NoTidScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-1-17
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
-----------------------------------
Index Only Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+IndexOnlyScan(t1)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Index Only Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-1-18
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
/*+IndexOnlyScan(t1)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1;
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Index Only Scan using t1_i1 on t1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-1-19
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
-----------------------------------
Index Only Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
/*+NoIndexOnlyScan(t1)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 = 1;
LOG: pg_hint_plan:
used hint:
NoIndexOnlyScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-1-20
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
/*+NoIndexOnlyScan(t1)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.t1 WHERE t1.c1 >= 1;
LOG: pg_hint_plan:
used hint:
NoIndexOnlyScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------
Seq Scan on t1
Filter: (c1 >= 1)
(2 rows)
----
---- No. S-3-3 index name specified
----
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)';
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c2 = 1)
(3 rows)
SET enable_tidscan TO off;
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)';
QUERY PLAN
---------------------------------
Index Scan using ti1_i4 on ti1
Index Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
SET enable_indexscan TO off;
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)';
QUERY PLAN
-----------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_i4
Index Cond: (c2 = 1)
(5 rows)
RESET enable_tidscan;
RESET enable_indexscan;
EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE ti1.c2 >= 1;
QUERY PLAN
---------------------
Seq Scan on ti1
Filter: (c2 >= 1)
(2 rows)
-- No. S-3-3-1
/*+IndexScan(ti1 ti1_i3)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)';
LOG: available indexes for IndexScan(ti1): ti1_i3
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_i3)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------
Index Scan using ti1_i3 on ti1
Index Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_i3 ti1_i2
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_i3 ti1_i2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------
Index Scan using ti1_i3 on ti1
Index Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_i4 ti1_i3 ti1_i2 ti1_i1
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_i4 ti1_i3 ti1_i2 ti1_i1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------
Index Scan using ti1_i4 on ti1
Index Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- No. S-3-3-4
/*+BitmapScan(ti1 ti1_i3)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE ti1.c2 = 1 AND ctid = '(1,1)';
LOG: available indexes for BitmapScan(ti1): ti1_i3
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_i3)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_i3
Index Cond: (c2 = 1)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_i3 ti1_i2
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_i3 ti1_i2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_i3
Index Cond: (c2 = 1)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_i4 ti1_i3 ti1_i2 ti1_i1
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_i4 ti1_i3 ti1_i2 ti1_i1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c2 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_i4
Index Cond: (c2 = 1)
(5 rows)
-- No. S-3-3-7
/*+IndexOnlyScan(ti1 ti1_i3)*/
EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE ti1.c2 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_i3
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_i3)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------
Index Only Scan using ti1_i3 on ti1
Index Cond: (c2 >= 1)
(2 rows)
-- No. S-3-3-8
/*+IndexOnlyScan(ti1 ti1_i3 ti1_i2)*/
EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE ti1.c2 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_i3 ti1_i2
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_i3 ti1_i2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------
Index Only Scan using ti1_i2 on ti1
Index Cond: (c2 >= 1)
(2 rows)
-- 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;
LOG: available indexes for IndexOnlyScan(ti1): ti1_i4 ti1_i3 ti1_i2 ti1_i1
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_i4 ti1_i3 ti1_i2 ti1_i1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------
Index Only Scan using ti1_i1 on ti1
Index Cond: (c2 >= 1)
(2 rows)
----
---- No. S-3-4 index type
----
\d s1.ti1
Table "s1.ti1"
Column | Type | Modifiers
--------+---------+-----------
c1 | integer | not null
c2 | integer |
c3 | integer |
c4 | text |
Indexes:
"ti1_pkey" PRIMARY KEY, btree (c1)
"ti1_c2_key" UNIQUE CONSTRAINT, btree (c2)
"ti1_uniq" UNIQUE, btree (c1)
"ti1_btree" btree (c1)
"ti1_expr" btree ((c1 < 100))
"ti1_gin" gin (c1)
"ti1_gist" gist (c1)
"ti1_hash" hash (c1)
"ti1_i1" btree (c2)
"ti1_i2" btree (c2, c4)
"ti1_i3" btree (c2, c4, c4)
"ti1_i4" btree (c2, c4, c4, c4)
"ti1_multi" btree (c1, c2, c3, c4)
"ti1_pred" btree (lower(c4))
"ti1_ts" gin (to_tsvector('english'::regconfig, c4))
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)';
QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 < 100) AND (c2 = 1) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_btree
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_btree)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_btree on ti1
Index Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_hash
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_hash)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_gist
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_gist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_gist on ti1
Index Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_gin
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_gin)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 < 100) AND (c2 = 1) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_expr
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_expr)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_expr on ti1
Index Cond: ((c1 < 100) = true)
Filter: ((c1 < 100) AND (c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_pred
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_pred)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_pred on ti1
Index Cond: (lower(c4) = '1'::text)
Filter: ((c1 < 100) AND (c2 = 1) AND (ctid = '(1,1)'::tid) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_uniq
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_uniq)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_uniq on ti1
Index Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_multi
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_multi)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_multi on ti1
Index Cond: ((c1 < 100) AND (c2 = 1))
Filter: ((ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_ts
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_ts)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 < 100) AND (c2 = 1) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_pkey
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_pkey on ti1
Index Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_c2_key
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_c2_key)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using ti1_c2_key on ti1
Index Cond: (c2 = 1)
Filter: ((c1 < 100) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
(3 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_btree
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_btree)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_btree
Index Cond: (c1 < 100)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_hash
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_hash)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_hash
Index Cond: (c1 = 100)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_gist
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_gist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_gist
Index Cond: (c1 < 100)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_gin
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_gin)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_gin
Index Cond: (c1 < 100)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_expr
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_expr)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Filter: ((c1 < 100) AND (c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_expr
Index Cond: ((c1 < 100) = true)
(4 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_pred
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_pred)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (lower(c4) = '1'::text)
Filter: ((c1 < 100) AND (c2 = 1) AND (ctid = '(1,1)'::tid) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_pred
Index Cond: (lower(c4) = '1'::text)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_uniq
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_uniq)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_uniq
Index Cond: (c1 < 100)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_multi
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_multi)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: ((c1 < 100) AND (c2 = 1))
Filter: ((ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_multi
Index Cond: ((c1 < 100) AND (c2 = 1))
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_ts
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_ts)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery)
Filter: ((c1 < 100) AND (c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text))
-> Bitmap Index Scan on ti1_ts
Index Cond: (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_pkey
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 < 100)
Filter: ((c2 = 1) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_pkey
Index Cond: (c1 < 100)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_c2_key
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_c2_key)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c2 = 1)
Filter: ((c1 < 100) AND (ctid = '(1,1)'::tid) AND (lower(c4) = '1'::text) AND (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery))
-> Bitmap Index Scan on ti1_c2_key
Index Cond: (c2 = 1)
(5 rows)
-- No. S-3-4-23
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on ti1
Filter: (c1 >= 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_btree)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_btree
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_btree)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------
Index Only Scan using ti1_btree on ti1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-4-24
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1;
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_hash)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_hash
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_hash)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-4-25
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 1;
QUERY PLAN
---------------------------------------
Index Only Scan using ti1_uniq on ti1
Index Cond: (c1 < 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_gist)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_gist
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_gist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Index Only Scan using ti1_gist on ti1
Index Cond: (c1 < 1)
(2 rows)
-- No. S-3-4-26
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1;
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_gin)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_gin
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_gin)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on ti1_gin
Index Cond: (c1 = 1)
(4 rows)
-- No. S-3-4-27
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 100;
QUERY PLAN
---------------------------------------
Index Only Scan using ti1_uniq on ti1
Index Cond: (c1 < 100)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_expr)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 < 100;
LOG: available indexes for IndexOnlyScan(ti1): ti1_expr
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_expr)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Index Scan using ti1_expr on ti1
Index Cond: ((c1 < 100) = true)
Filter: (c1 < 100)
(3 rows)
-- No. S-3-4-28
EXPLAIN (COSTS false) SELECT c4 FROM s1.ti1 WHERE lower(c4) >= '1';
QUERY PLAN
------------------------------------
Seq Scan on ti1
Filter: (lower(c4) >= '1'::text)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_pred)*/
EXPLAIN (COSTS false) SELECT c4 FROM s1.ti1 WHERE lower(c4) >= '1';
LOG: available indexes for IndexOnlyScan(ti1): ti1_pred
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_pred)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------
Index Scan using ti1_pred on ti1
Index Cond: (lower(c4) >= '1'::text)
(2 rows)
-- No. S-3-4-29
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on ti1
Filter: (c1 >= 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_uniq)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_uniq
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_uniq)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Index Only Scan using ti1_uniq on ti1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-4-30
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on ti1
Filter: (c1 >= 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_multi)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_multi
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_multi)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------
Index Only Scan using ti1_multi on ti1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-4-31
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE to_tsvector('english', c4) @@ 'a & b';
QUERY PLAN
-----------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery)
-> Bitmap Index Scan on ti1_ts
Index Cond: (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery)
(4 rows)
/*+IndexOnlyScan(ti1 ti1_ts)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE to_tsvector('english', c4) @@ 'a & b';
LOG: available indexes for IndexOnlyScan(ti1): ti1_ts
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_ts)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------------------------------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery)
-> Bitmap Index Scan on ti1_ts
Index Cond: (to_tsvector('english'::regconfig, c4) @@ '''a'' & ''b'''::tsquery)
(4 rows)
-- No. S-3-4-32
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
QUERY PLAN
---------------------
Seq Scan on ti1
Filter: (c1 >= 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_pkey
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Index Only Scan using ti1_pkey on ti1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-4-33
EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE c2 >= 1;
QUERY PLAN
---------------------
Seq Scan on ti1
Filter: (c2 >= 1)
(2 rows)
/*+IndexOnlyScan(ti1 ti1_c2_key)*/
EXPLAIN (COSTS false) SELECT c2 FROM s1.ti1 WHERE c2 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_c2_key
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_c2_key)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------------
Index Only Scan using ti1_c2_key on ti1
Index Cond: (c2 >= 1)
(2 rows)
----
---- No. S-3-5 not used index
----
-- No. S-3-5-1
\! psql contrib_regression -c "/*+IndexScan(ti1 ti1_pred)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100" | grep -v "Planning time:"
LOG: available indexes for IndexScan(ti1): ti1_pred
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_pred)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------
Seq Scan on ti1 (cost=10000000000.00..10000000018.50 rows=1 width=15)
Filter: (c1 = 100)
(2 rows)
-- No. S-3-5-2
\! psql contrib_regression -c "/*+BitmapScan(ti1 ti1_pred)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100" | grep -v "Planning time:"
LOG: available indexes for BitmapScan(ti1): ti1_pred
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_pred)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------
Seq Scan on ti1 (cost=10000000000.00..10000000018.50 rows=1 width=15)
Filter: (c1 = 100)
(2 rows)
-- No. S-3-5-3
\! psql contrib_regression -c "/*+IndexOnlyScan(ti1 ti1_pred)*/ EXPLAIN (COSTS true) SELECT c1 FROM s1.ti1 WHERE c1 = 100" | grep -v "Planning time:"
LOG: available indexes for IndexOnlyScan(ti1): ti1_pred
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_pred)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------------------------------------------
Seq Scan on ti1 (cost=10000000000.00..10000000018.50 rows=1 width=4)
Filter: (c1 = 100)
(2 rows)
-- No. S-3-5-4
\! psql contrib_regression -c "/*+IndexScan(ti1 not_exist)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100" | grep -v "Planning time:"
LOG: available indexes for IndexScan(ti1):
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 not_exist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------
Seq Scan on ti1 (cost=10000000000.00..10000000018.50 rows=1 width=15)
Filter: (c1 = 100)
(2 rows)
-- No. S-3-5-5
\! psql contrib_regression -c "/*+BitmapScan(ti1 not_exist)*/ EXPLAIN (COSTS true) SELECT * FROM s1.ti1 WHERE c1 = 100" | grep -v "Planning time:"
LOG: available indexes for BitmapScan(ti1):
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 not_exist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------
Seq Scan on ti1 (cost=10000000000.00..10000000018.50 rows=1 width=15)
Filter: (c1 = 100)
(2 rows)
-- No. S-3-5-6
\! psql contrib_regression -c "/*+IndexOnlyScan(ti1 not_exist)*/ EXPLAIN (COSTS true) SELECT c1 FROM s1.ti1 WHERE c1 = 100" | grep -v "Planning time:"
LOG: available indexes for IndexOnlyScan(ti1):
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 not_exist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------------------------------------------
Seq Scan on ti1 (cost=10000000000.00..10000000018.50 rows=1 width=4)
Filter: (c1 = 100)
(2 rows)
-- No. S-3-5-7
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE t1.c1 = 1;
QUERY PLAN
------------------------------
Index Scan using t1_i1 on t1
Index Cond: (c1 = 1)
(2 rows)
\! psql contrib_regression -c "/*+TidScan(t1)*/ EXPLAIN (COSTS true) SELECT * FROM s1.t1 WHERE t1.c1 = 1" | grep -v "Planning time:"
LOG: pg_hint_plan:
used hint:
TidScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------------------------------------------
Seq Scan on t1 (cost=10000000000.00..10000000018.50 rows=1 width=15)
Filter: (c1 = 1)
(2 rows)
----
---- 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)';
QUERY PLAN
-----------------------------------------------
Hash Join
Hash Cond: (t2.c1 = t1.c1)
-> Seq Scan on t2
-> Hash
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
(6 rows)
-- No. S-3-6-1
/*+SeqScan(t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1 WHERE c1 = 100;
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------
Seq Scan on t1
Filter: (c1 = 100)
(2 rows)
-- 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)';
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
BitmapScan(t2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------
Nested Loop
-> Seq Scan on t1
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Heap Scan on t2
Recheck Cond: (c1 = t1.c1)
-> Bitmap Index Scan on t2_i1
Index Cond: (c1 = t1.c1)
(7 rows)
-- 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)';
LOG: pg_hint_plan:
used hint:
SeqScan(t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------
Hash Join
Hash Cond: (t2.c1 = t1.c1)
-> Seq Scan on t2
-> Hash
-> Seq Scan on t1
Filter: (ctid = '(1,1)'::tid)
(6 rows)
----
---- 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);
QUERY PLAN
---------------------------------------------------------------------
Result
InitPlan 2 (returns $1)
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Index Only Scan using t1_i1 on t1 b2t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 4 (returns $3)
-> Result
InitPlan 3 (returns $2)
-> Limit
-> Index Only Scan using t1_i1 on t1 b4t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 5 (returns $4)
-> Limit
-> Index Only Scan using t1_i1 on t1 b3t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = $3))
(17 rows)
/*+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);
LOG: available indexes for IndexScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t1): t1_pkey
LOG: available indexes for BitmapScan(b3t1): t1_pkey
LOG: available indexes for BitmapScan(b3t1): t1_pkey
LOG: pg_hint_plan:
used hint:
IndexScan(b2t1 t1_pkey)
BitmapScan(b3t1 t1_pkey)
TidScan(b4t1)
not used hint:
SeqScan(b1t1)
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------
Result
InitPlan 2 (returns $1)
-> Result
InitPlan 1 (returns $0)
-> Limit
-> Index Scan using t1_pkey on t1 b2t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 4 (returns $3)
-> Result
InitPlan 3 (returns $2)
-> Limit
-> Seq Scan on t1 b4t1
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 5 (returns $4)
-> Limit
-> Bitmap Heap Scan on t1 b3t1
Recheck Cond: ((c1 IS NOT NULL) AND (c1 = $3))
-> Bitmap Index Scan on t1_pkey
Index Cond: ((c1 IS NOT NULL) AND (c1 = $3))
(19 rows)
-- 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);
QUERY PLAN
------------------------------------------------------------
Aggregate
CTE cte1
-> Aggregate
-> Nested Loop
-> Index Only Scan using t1_i1 on t1 b1t1
Index Cond: (c1 = 1)
-> Seq Scan on t2 b1t2
Filter: (c1 = 1)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
-> Index Only Scan using t1_i1 on t1 b2t1
Index Cond: (c1 = 1)
-> Seq Scan on t2 b2t2
Filter: (c1 = 1)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
-> Index Only Scan using t1_i1 on t1 b4t1
Index Cond: (c1 = 1)
-> Seq Scan on t2 b4t2
Filter: (c1 = 1)
-> Nested Loop
-> Nested Loop
-> Index Only Scan using t1_i1 on t1 b3t1
Index Cond: (c1 = $2)
-> Seq Scan on t2 b3t2
Filter: (c1 = $2)
-> CTE Scan on cte1
Filter: (c1 = $2)
(30 rows)
/*+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);
LOG: available indexes for IndexScan(b2t1): t1_pkey
LOG: available indexes for BitmapScan(b4t2): t2_pkey
LOG: available indexes for BitmapScan(b3t1): t1_pkey
LOG: available indexes for IndexScan(b3t2): t2_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(b1t1)
TidScan(b1t2)
IndexScan(b2t1 t1_pkey)
SeqScan(b2t2)
BitmapScan(b3t1 t1_pkey)
IndexScan(b3t2 t2_pkey)
TidScan(b4t1)
BitmapScan(b4t2 t2_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------
Aggregate
CTE cte1
-> Aggregate
-> Nested Loop
-> Seq Scan on t1 b1t1
Filter: (c1 = 1)
-> Seq Scan on t2 b1t2
Filter: (c1 = 1)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
-> Index Scan using t1_pkey on t1 b2t1
Index Cond: (c1 = 1)
-> Seq Scan on t2 b2t2
Filter: (c1 = 1)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
-> Seq Scan on t1 b4t1
Filter: (c1 = 1)
-> Bitmap Heap Scan on t2 b4t2
Recheck Cond: (c1 = 1)
-> Bitmap Index Scan on t2_pkey
Index Cond: (c1 = 1)
-> Nested Loop
-> Nested Loop
-> Bitmap Heap Scan on t1 b3t1
Recheck Cond: (c1 = $2)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = $2)
-> Index Scan using t2_pkey on t2 b3t2
Index Cond: (c1 = $2)
-> CTE Scan on cte1
Filter: (c1 = $2)
(34 rows)
-- 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);
QUERY PLAN
---------------------------------------------------------------------
Aggregate
CTE cte1
-> Aggregate
-> Nested Loop
-> Index Only Scan using t1_i1 on t1 b1t1
Index Cond: (c1 = 1)
-> Seq Scan on t2 b1t2
Filter: (c1 = 1)
InitPlan 3 (returns $2)
-> Result
InitPlan 2 (returns $1)
-> Limit
-> Index Only Scan using t1_i1 on t1 b2t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 5 (returns $4)
-> Result
InitPlan 4 (returns $3)
-> Limit
-> Index Only Scan using t1_i1 on t1 b4t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
-> Nested Loop
-> Nested Loop
-> Index Only Scan using t1_i1 on t1 b3t1
Index Cond: (c1 = $4)
-> Seq Scan on t2 b3t2
Filter: (c1 = $4)
-> CTE Scan on cte1
Filter: (c1 = $4)
(28 rows)
/*+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);
LOG: available indexes for IndexScan(b2t1): t1_pkey
LOG: available indexes for IndexScan(b2t1): t1_pkey
LOG: available indexes for BitmapScan(b3t1): t1_pkey
LOG: available indexes for IndexScan(b3t2): t2_pkey
LOG: pg_hint_plan:
used hint:
SeqScan(b1t1)
TidScan(b1t2)
IndexScan(b2t1 t1_pkey)
BitmapScan(b3t1 t1_pkey)
IndexScan(b3t2 t2_pkey)
TidScan(b4t1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------
Aggregate
CTE cte1
-> Aggregate
-> Nested Loop
-> Seq Scan on t1 b1t1
Filter: (c1 = 1)
-> Seq Scan on t2 b1t2
Filter: (c1 = 1)
InitPlan 3 (returns $2)
-> Result
InitPlan 2 (returns $1)
-> Limit
-> Index Scan using t1_pkey on t1 b2t1
Index Cond: ((c1 IS NOT NULL) AND (c1 = 1))
InitPlan 5 (returns $4)
-> Result
InitPlan 4 (returns $3)
-> Limit
-> Seq Scan on t1 b4t1
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
-> Nested Loop
-> Nested Loop
-> Bitmap Heap Scan on t1 b3t1
Recheck Cond: (c1 = $4)
-> Bitmap Index Scan on t1_pkey
Index Cond: (c1 = $4)
-> Index Scan using t2_pkey on t2 b3t2
Index Cond: (c1 = $4)
-> CTE Scan on cte1
Filter: (c1 = $4)
(30 rows)
----
---- 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;
QUERY PLAN
--------------------
Seq Scan on p1
Filter: (c1 = 1)
(2 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM ONLY s1.p1 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------
Index Scan using p1_i on p1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-8-2
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1;
QUERY PLAN
--------------------------
Append
-> Seq Scan on p1
Filter: (c1 = 1)
-> Seq Scan on p1c1
Filter: (c1 = 1)
(5 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Append
-> Index Scan using p1_i on p1
Index Cond: (c1 = 1)
-> Index Scan using p1c1_i on p1c1
Index Cond: (c1 = 1)
(5 rows)
-- No. S-3-8-3
EXPLAIN (COSTS false) UPDATE ONLY s1.p1 SET c4 = c4 WHERE c1 = 1;
QUERY PLAN
--------------------------
Update on p1
-> Seq Scan on p1
Filter: (c1 = 1)
(3 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) UPDATE ONLY s1.p1 SET c4 = c4 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Update on p1
-> Index Scan using p1_i on p1
Index Cond: (c1 = 1)
(3 rows)
/*+IndexScan(p1 p1_pkey)*/
EXPLAIN (COSTS false) UPDATE ONLY s1.p1 SET c4 = c4 WHERE c1 = 1;
LOG: available indexes for IndexScan(p1): p1_pkey
LOG: pg_hint_plan:
used hint:
IndexScan(p1 p1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------
Update on p1
-> Index Scan using p1_pkey on p1
Index Cond: (c1 = 1)
(3 rows)
-- No. S-3-8-4
EXPLAIN (COSTS false) UPDATE s1.p1 SET c4 = c4 WHERE c1 = 1;
QUERY PLAN
--------------------------
Update on p1
Update on p1
Update on p1c1
-> Seq Scan on p1
Filter: (c1 = 1)
-> Seq Scan on p1c1
Filter: (c1 = 1)
(7 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) UPDATE s1.p1 SET c4 = c4 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Update on p1
Update on p1
Update on p1c1
-> Index Scan using p1_i on p1
Index Cond: (c1 = 1)
-> Index Scan using p1c1_i on p1c1
Index Cond: (c1 = 1)
(7 rows)
/*+IndexScan(p1 p1_pkey)*/
EXPLAIN (COSTS false) UPDATE s1.p1 SET c4 = c4 WHERE c1 = 1;
LOG: available indexes for IndexScan(p1): p1_pkey
LOG: available indexes for IndexScan(p1c1): p1c1_pkey
LOG: available indexes for IndexScan(p1c2): p1c2_pkey
LOG: available indexes for IndexScan(p1c3): p1c3_pkey
LOG: pg_hint_plan:
used hint:
IndexScan(p1 p1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Update on p1
Update on p1
Update on p1c1
-> Index Scan using p1_pkey on p1
Index Cond: (c1 = 1)
-> Index Scan using p1c1_pkey on p1c1
Index Cond: (c1 = 1)
(7 rows)
----
---- No. S-3-9 inheritance table number
----
-- No. S-3-9-1
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1;
QUERY PLAN
--------------------------
Append
-> Seq Scan on p1
Filter: (c1 = 1)
-> Seq Scan on p1c1
Filter: (c1 = 1)
(5 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Append
-> Index Scan using p1_i on p1
Index Cond: (c1 = 1)
-> Index Scan using p1c1_i on p1c1
Index Cond: (c1 = 1)
(5 rows)
-- No. S-3-9-2
EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1;
QUERY PLAN
--------------------------
Append
-> Seq Scan on p2
Filter: (c1 = 1)
-> Seq Scan on p2c1
Filter: (c1 = 1)
-> Seq Scan on p2c1c1
Filter: (c1 = 1)
(7 rows)
/*+IndexScan(p2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------------
Append
-> Index Scan using p2_i on p2
Index Cond: (c1 = 1)
-> Index Scan using p2c1_i on p2c1
Index Cond: (c1 = 1)
-> Index Scan using p2c1c1_i on p2c1c1
Index Cond: (c1 = 1)
(7 rows)
----
---- No. S-3-10 inheritance table specified table
----
EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1;
QUERY PLAN
--------------------------
Append
-> Seq Scan on p2
Filter: (c1 = 1)
-> Seq Scan on p2c1
Filter: (c1 = 1)
-> Seq Scan on p2c1c1
Filter: (c1 = 1)
(7 rows)
-- No. S-3-10-1
/*+IndexScan(p2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
IndexScan(p2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------------
Append
-> Index Scan using p2_i on p2
Index Cond: (c1 = 1)
-> Index Scan using p2c1_i on p2c1
Index Cond: (c1 = 1)
-> Index Scan using p2c1c1_i on p2c1c1
Index Cond: (c1 = 1)
(7 rows)
-- No. S-3-10-2
/*+IndexScan(p2c1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p2 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
not used hint:
IndexScan(p2c1)
duplication hint:
error hint:
QUERY PLAN
--------------------------
Append
-> Seq Scan on p2
Filter: (c1 = 1)
-> Seq Scan on p2c1
Filter: (c1 = 1)
-> Seq Scan on p2c1c1
Filter: (c1 = 1)
(7 rows)
-- No. S-3-10-3
\! psql contrib_regression -c "EXPLAIN SELECT c4 FROM s1.p1 WHERE c2 * 2 < 100 AND c1 < 10" | grep -v "Planning time:"
QUERY PLAN
----------------------------------------------------------
Append (cost=0.00..2.75 rows=4 width=10)
-> Seq Scan on p1 (cost=0.00..0.00 rows=1 width=32)
Filter: ((c1 < 10) AND ((c2 * 2) < 100))
-> Seq Scan on p1c1 (cost=0.00..2.75 rows=3 width=2)
Filter: ((c1 < 10) AND ((c2 * 2) < 100))
(5 rows)
\! psql contrib_regression -c "/*+IndexScan(p1 p1_parent)*/ EXPLAIN SELECT c4 FROM s1.p1 WHERE c2 * 2 < 100 AND c1 < 10" | grep -v "Planning time:"
LOG: available indexes for IndexScan(p1): p1_parent
LOG: available indexes for IndexScan(p1c1): p1c1_c4_expr_idx
LOG: available indexes for IndexScan(p1c2): p1c2_c4_expr_idx
LOG: available indexes for IndexScan(p1c3): p1c3_c4_expr_idx
LOG: pg_hint_plan:
used hint:
IndexScan(p1 p1_parent)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------------
Append (cost=0.12..20.48 rows=4 width=10)
-> Index Scan using p1_parent on p1 (cost=0.12..8.15 rows=1 width=32)
Filter: ((c2 * 2) < 100)
-> Index Scan using p1c1_c4_expr_idx on p1c1 (cost=0.14..12.34 rows=3 width=2)
Filter: ((c2 * 2) < 100)
(5 rows)
-- No. S-3-10-4
\! psql contrib_regression -c "/*+IndexScan(p1 p1_i2)*/ EXPLAIN SELECT c2 FROM s1.p1 WHERE c2 = 1" | grep -v "Planning time:"
LOG: available indexes for IndexScan(p1): p1_i2
LOG: available indexes for IndexScan(p1c1):
LOG: available indexes for IndexScan(p1c2):
LOG: available indexes for IndexScan(p1c3):
LOG: pg_hint_plan:
used hint:
IndexScan(p1 p1_i2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------------------------------------
Append (cost=0.12..30000000014.89 rows=4 width=4)
-> Index Scan using p1_i2 on p1 (cost=0.12..8.14 rows=1 width=4)
Index Cond: (c2 = 1)
-> Seq Scan on p1c1 (cost=10000000000.00..10000000002.25 rows=1 width=4)
Filter: (c2 = 1)
-> Seq Scan on p1c2 (cost=10000000000.00..10000000002.25 rows=1 width=4)
Filter: (c2 = 1)
-> Seq Scan on p1c3 (cost=10000000000.00..10000000002.25 rows=1 width=4)
Filter: (c2 = 1)
(9 rows)
-- No. S-3-10-5
\! psql contrib_regression -c "/*+IndexScan(p2 p2c1_pkey)*/ EXPLAIN (COSTS true) SELECT * FROM s1.p2 WHERE c1 = 1" | grep -v "Planning time:"
LOG: available indexes for IndexScan(p2):
LOG: available indexes for IndexScan(p2c1): p2c1_pkey
LOG: available indexes for IndexScan(p2c2):
LOG: available indexes for IndexScan(p2c3):
LOG: available indexes for IndexScan(p2c1c1):
LOG: available indexes for IndexScan(p2c1c2):
LOG: available indexes for IndexScan(p2c2c1):
LOG: available indexes for IndexScan(p2c2c2):
LOG: available indexes for IndexScan(p2c3c1):
LOG: available indexes for IndexScan(p2c3c2):
LOG: pg_hint_plan:
used hint:
IndexScan(p2 p2c1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------------------------------------------------
Append (cost=10000000000.00..20000000009.77 rows=3 width=34)
-> Seq Scan on p2 (cost=10000000000.00..10000000000.00 rows=1 width=44)
Filter: (c1 = 1)
-> Index Scan using p2c1_pkey on p2c1 (cost=0.12..8.14 rows=1 width=44)
Index Cond: (c1 = 1)
-> Seq Scan on p2c1c1 (cost=10000000000.00..10000000001.62 rows=1 width=14)
Filter: (c1 = 1)
(7 rows)
----
---- 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)';
INFO: pg_hint_plan: hint syntax error at or near "IndexScan(ti1) BitmapScan(ti1)"
DETAIL: Conflict scan method hint.
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1)
not used hint:
duplication hint:
IndexScan(ti1)
error hint:
QUERY PLAN
-------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_hash
Index Cond: (c1 = 1)
(5 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near "IndexScan(ti1 ti1_pkey) BitmapScan(ti1 ti1_btree)"
DETAIL: Conflict scan method hint.
LOG: available indexes for BitmapScan(ti1): ti1_btree
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_btree)
not used hint:
duplication hint:
IndexScan(ti1 ti1_pkey)
error hint:
QUERY PLAN
--------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_btree
Index Cond: (c1 = 1)
(5 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near "BitmapScan(ti1) IndexScan(ti1) BitmapScan(ti1)"
DETAIL: Conflict scan method hint.
INFO: pg_hint_plan: hint syntax error at or near "IndexScan(ti1) BitmapScan(ti1)"
DETAIL: Conflict scan method hint.
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1)
not used hint:
duplication hint:
BitmapScan(ti1)
IndexScan(ti1)
error hint:
QUERY PLAN
-------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_hash
Index Cond: (c1 = 1)
(5 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near "BitmapScan(ti1 ti1_hash) IndexScan(ti1 ti1_pkey) BitmapScan(ti1 ti1_btree)"
DETAIL: Conflict scan method hint.
INFO: pg_hint_plan: hint syntax error at or near "IndexScan(ti1 ti1_pkey) BitmapScan(ti1 ti1_btree)"
DETAIL: Conflict scan method hint.
LOG: available indexes for BitmapScan(ti1): ti1_btree
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_btree)
not used hint:
duplication hint:
BitmapScan(ti1 ti1_hash)
IndexScan(ti1 ti1_pkey)
error hint:
QUERY PLAN
--------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_btree
Index Cond: (c1 = 1)
(5 rows)
----
---- 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)';
LOG: pg_hint_plan:
used hint:
SeqScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------------
Seq Scan on ti1
Filter: ((c1 = 1) AND (ctid = '(1,1)'::tid))
(2 rows)
-- No. S-3-13-2
/*+SeqScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: SeqScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
SeqScan(ti1 ti1_pkey)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: SeqScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
SeqScan(ti1 ti1_pkey ti1_btree)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-4
/*+IndexScan(ti1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
IndexScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- No. S-3-13-5
/*+IndexScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: available indexes for IndexScan(ti1): ti1_pkey
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Index Scan using ti1_pkey on ti1
Index Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- 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)';
LOG: available indexes for IndexScan(ti1): ti1_btree ti1_pkey
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_pkey ti1_btree)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Index Scan using ti1_btree on ti1
Index Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- No. S-3-13-7
/*+BitmapScan(ti1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_hash
Index Cond: (c1 = 1)
(5 rows)
-- No. S-3-13-8
/*+BitmapScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: available indexes for BitmapScan(ti1): ti1_pkey
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_pkey
Index Cond: (c1 = 1)
(5 rows)
-- 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)';
LOG: available indexes for BitmapScan(ti1): ti1_btree ti1_pkey
LOG: pg_hint_plan:
used hint:
BitmapScan(ti1 ti1_pkey ti1_btree)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------------
Bitmap Heap Scan on ti1
Recheck Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
-> Bitmap Index Scan on ti1_btree
Index Cond: (c1 = 1)
(5 rows)
-- No. S-3-13-10
/*+TidScan(ti1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
TidScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-11
/*+TidScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: TidScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
TidScan(ti1 ti1_pkey)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: TidScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
TidScan(ti1 ti1_pkey ti1_btree)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-13
/*+NoSeqScan(ti1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
NoSeqScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-14
/*+NoSeqScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoSeqScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoSeqScan(ti1 ti1_pkey)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoSeqScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoSeqScan(ti1 ti1_pkey ti1_btree)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-16
/*+NoIndexScan(ti1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
NoIndexScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-17
/*+NoIndexScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoIndexScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoIndexScan(ti1 ti1_pkey)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoIndexScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoIndexScan(ti1 ti1_pkey ti1_btree)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-19
/*+NoBitmapScan(ti1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
NoBitmapScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-20
/*+NoBitmapScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoBitmapScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoBitmapScan(ti1 ti1_pkey)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoBitmapScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoBitmapScan(ti1 ti1_pkey ti1_btree)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-22
/*+NoTidScan(ti1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
LOG: pg_hint_plan:
used hint:
NoTidScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
Filter: (ctid = '(1,1)'::tid)
(3 rows)
-- No. S-3-13-23
/*+NoTidScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c1 = 1 AND ctid = '(1,1)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoTidScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoTidScan(ti1 ti1_pkey)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- 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)';
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoTidScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoTidScan(ti1 ti1_pkey ti1_btree)
QUERY PLAN
-----------------------------------
Tid Scan on ti1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
(3 rows)
-- No. S-3-13-25
/*+IndexOnlyScan(ti1)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Index Only Scan using ti1_uniq on ti1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-13-26
/*+IndexOnlyScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_pkey
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Index Only Scan using ti1_pkey on ti1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-13-27
/*+IndexOnlyScan(ti1 ti1_pkey ti1_btree)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 >= 1;
LOG: available indexes for IndexOnlyScan(ti1): ti1_btree ti1_pkey
LOG: pg_hint_plan:
used hint:
IndexOnlyScan(ti1 ti1_pkey ti1_btree)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------------
Index Only Scan using ti1_btree on ti1
Index Cond: (c1 >= 1)
(2 rows)
-- No. S-3-13-28
/*+NoIndexOnlyScan(ti1)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1;
LOG: pg_hint_plan:
used hint:
NoIndexOnlyScan(ti1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-13-29
/*+NoIndexOnlyScan(ti1 ti1_pkey)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1;
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoIndexOnlyScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoIndexOnlyScan(ti1 ti1_pkey)
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
(2 rows)
-- No. S-3-13-30
/*+NoIndexOnlyScan(ti1 ti1_pkey ti1_btree)*/
EXPLAIN (COSTS false) SELECT c1 FROM s1.ti1 WHERE c1 = 1;
INFO: pg_hint_plan: hint syntax error at or near ""
DETAIL: NoIndexOnlyScan hint accepts only one relation.
LOG: pg_hint_plan:
used hint:
not used hint:
duplication hint:
error hint:
NoIndexOnlyScan(ti1 ti1_pkey ti1_btree)
QUERY PLAN
----------------------------------
Index Scan using ti1_hash on ti1
Index Cond: (c1 = 1)
(2 rows)
----
---- No. S-3-14 regular expression
----
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
QUERY PLAN
--------------------------------
Index Scan using ti1_i4 on ti1
Index Cond: (c2 = 1)
(2 rows)
-- No. S-3-14-1
/*+IndexScanRegexp(ti1 ti1_.*_key)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
LOG: available indexes for IndexScanRegexp(ti1): ti1_c2_key
LOG: pg_hint_plan:
used hint:
IndexScanRegexp(ti1 ti1_.*_key)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------
Index Scan using ti1_c2_key on ti1
Index Cond: (c2 = 1)
(2 rows)
-- No. S-3-14-2
/*+IndexScanRegexp(ti1 ti1_i.)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
LOG: available indexes for IndexScanRegexp(ti1): ti1_i4 ti1_i3 ti1_i2 ti1_i1
LOG: pg_hint_plan:
used hint:
IndexScanRegexp(ti1 ti1_i.)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------
Index Scan using ti1_i4 on ti1
Index Cond: (c2 = 1)
(2 rows)
-- No. S-3-14-3
/*+IndexScanRegexp(ti1 no.*_exist)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
LOG: available indexes for IndexScanRegexp(ti1):
LOG: pg_hint_plan:
used hint:
IndexScanRegexp(ti1 no.*_exist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on ti1
Filter: (c2 = 1)
(2 rows)
-- No. S-3-14-4
/*+IndexScanRegexp(p1 .*pkey)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1;
LOG: available indexes for IndexScanRegexp(p1): p1_pkey
LOG: available indexes for IndexScanRegexp(p1c1): p1c1_pkey
LOG: available indexes for IndexScanRegexp(p1c2): p1c2_pkey
LOG: available indexes for IndexScanRegexp(p1c3): p1c3_pkey
LOG: pg_hint_plan:
used hint:
IndexScanRegexp(p1 .*pkey)
not used hint:
duplication hint:
error hint:
QUERY PLAN
------------------------------------------
Append
-> Index Scan using p1_pkey on p1
Index Cond: (c1 = 1)
-> Index Scan using p1c1_pkey on p1c1
Index Cond: (c1 = 1)
(5 rows)
-- No. S-3-14-5
/*+IndexScanRegexp(p1 p1.*i)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1;
LOG: available indexes for IndexScanRegexp(p1): p1_i2 p1_i
LOG: available indexes for IndexScanRegexp(p1c1): p1c1_i p1c1_c4_expr_idx
LOG: available indexes for IndexScanRegexp(p1c2): p1c2_i p1c2_c4_expr_idx
LOG: available indexes for IndexScanRegexp(p1c3): p1c3_i p1c3_c4_expr_idx
LOG: pg_hint_plan:
used hint:
IndexScanRegexp(p1 p1.*i)
not used hint:
duplication hint:
error hint:
QUERY PLAN
---------------------------------------
Append
-> Index Scan using p1_i on p1
Index Cond: (c1 = 1)
-> Index Scan using p1c1_i on p1c1
Index Cond: (c1 = 1)
(5 rows)
-- No. S-3-14-6
/*+IndexScanRegexp(p1 no.*_exist)*/
EXPLAIN (COSTS false) SELECT * FROM s1.p1 WHERE c1 = 1;
LOG: available indexes for IndexScanRegexp(p1):
LOG: available indexes for IndexScanRegexp(p1c1):
LOG: available indexes for IndexScanRegexp(p1c2):
LOG: available indexes for IndexScanRegexp(p1c3):
LOG: pg_hint_plan:
used hint:
IndexScanRegexp(p1 no.*_exist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------
Append
-> Seq Scan on p1
Filter: (c1 = 1)
-> Seq Scan on p1c1
Filter: (c1 = 1)
(5 rows)
----
---- 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;
LOG: available indexes for IndexScan(ti1): ti1_i1
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_i1)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------
Index Scan using ti1_i1 on ti1
Index Cond: (c2 = 1)
(2 rows)
-- No. S-3-15-2
/*+IndexScan(ti1 not_exist)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
LOG: available indexes for IndexScan(ti1):
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 not_exist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on ti1
Filter: (c2 = 1)
(2 rows)
-- No. S-3-15-3
/*+IndexScan(ti1 ti1_i1 ti1_i2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
LOG: available indexes for IndexScan(ti1): ti1_i2 ti1_i1
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_i1 ti1_i2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------
Index Scan using ti1_i2 on ti1
Index Cond: (c2 = 1)
(2 rows)
-- No. S-3-15-4
/*+IndexScan(ti1 ti1_i1 not_exist)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
LOG: available indexes for IndexScan(ti1): ti1_i1
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 ti1_i1 not_exist)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------------------
Index Scan using ti1_i1 on ti1
Index Cond: (c2 = 1)
(2 rows)
-- No. S-3-15-5
/*+IndexScan(ti1 not_exist1 not_exist2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.ti1 WHERE c2 = 1;
LOG: available indexes for IndexScan(ti1):
LOG: pg_hint_plan:
used hint:
IndexScan(ti1 not_exist1 not_exist2)
not used hint:
duplication hint:
error hint:
QUERY PLAN
--------------------
Seq Scan on ti1
Filter: (c2 = 1)
(2 rows)
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();
pg_reload_conf
----------------
t
(1 row)