/*+Leading(t3 t4 t1 t2 t1)*/
EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id;
+INFO: hint syntax error at or near "Leading(t3 t4 t1 t2 t1)"
+DETAIL: Relation name "t1" is duplicated.
LOG: pg_hint_plan:
used hint:
-Leading(t3 t4 t1 t2 t1)
not used hint:
duplication hint:
error hint:
+Leading(t3 t4 t1 t2 t1)
QUERY PLAN
--------------------------------------------------
- Nested Loop
+ Merge Join
+ Merge Cond: (t1.id = t4.id)
-> Merge Join
- Merge Cond: (t3.id = t1.id)
+ Merge Cond: (t1.id = t3.id)
-> Merge Join
- Merge Cond: (t3.id = t4.id)
- -> Index Scan using t3_pkey on t3
- -> Sort
- Sort Key: t4.id
- -> Seq Scan on t4
- -> Index Scan using t1_pkey on t1
- -> Index Scan using t2_pkey on t2
- Index Cond: (id = t1.id)
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ -> Index Scan using t2_pkey on t2
+ -> Index Scan using t3_pkey on t3
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
(12 rows)
/*+Leading(t3 t4 t4)*/
(5 rows)
-- single table scan hint test
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
- QUERY PLAN
------------------------------------------------------------------------------------------------------
- Index Scan using t1_pkey on t1 (cost=1.89..10.16 rows=1 width=4)
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+ QUERY PLAN
+----------------------------------------------------------------------
+ Index Scan using t1_pkey on t1
Index Cond: (id = $3)
InitPlan 2 (returns $1)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 1 (returns $0)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_1 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_1
Index Cond: ((id IS NOT NULL) AND (id < 10))
InitPlan 4 (returns $3)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 3 (returns $2)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_2 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_2
Index Cond: ((id IS NOT NULL) AND (id < 10))
(14 rows)
/*+BitmapScan(v_1)*/
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
LOG: pg_hint_plan:
used hint:
BitmapScan(v_1)
duplication hint:
error hint:
- QUERY PLAN
------------------------------------------------------------------------------------------------------
- Index Scan using t1_pkey on t1 (cost=29.34..37.61 rows=1 width=4)
+ QUERY PLAN
+----------------------------------------------------------------------
+ Index Scan using t1_pkey on t1
Index Cond: (id = $2)
InitPlan 1 (returns $0)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_1 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_1
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
InitPlan 3 (returns $2)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 2 (returns $1)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_2 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_2
Index Cond: ((id IS NOT NULL) AND (id < 10))
(14 rows)
/*+BitmapScan(v_2)*/
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
LOG: pg_hint_plan:
used hint:
BitmapScan(v_2)
duplication hint:
error hint:
- QUERY PLAN
------------------------------------------------------------------------------------------------------
- Index Scan using t1_pkey on t1 (cost=29.34..37.61 rows=1 width=4)
+ QUERY PLAN
+----------------------------------------------------------------------
+ Index Scan using t1_pkey on t1
Index Cond: (id = $2)
InitPlan 2 (returns $1)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 1 (returns $0)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_1 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_1
Index Cond: ((id IS NOT NULL) AND (id < 10))
InitPlan 3 (returns $2)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_2 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_2
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
(14 rows)
/*+BitmapScan(t1)*/
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
duplication hint:
error hint:
- QUERY PLAN
------------------------------------------------------------------------------------------------------
- Bitmap Heap Scan on t1 (cost=6.15..10.17 rows=1 width=4)
+ QUERY PLAN
+----------------------------------------------------------------------
+ Bitmap Heap Scan on t1
Recheck Cond: (id = $3)
InitPlan 2 (returns $1)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 1 (returns $0)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_1 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_1
Index Cond: ((id IS NOT NULL) AND (id < 10))
InitPlan 4 (returns $3)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 3 (returns $2)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_2 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_2
Index Cond: ((id IS NOT NULL) AND (id < 10))
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.26 rows=1 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id = $3)
(16 rows)
/*+BitmapScan(v_1)BitmapScan(v_2)*/
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
LOG: pg_hint_plan:
used hint:
BitmapScan(v_1)
duplication hint:
error hint:
- QUERY PLAN
-------------------------------------------------------------------------------------
- Index Scan using t1_pkey on t1 (cost=56.78..65.05 rows=1 width=4)
+ QUERY PLAN
+--------------------------------------------------
+ Index Scan using t1_pkey on t1
Index Cond: (id = $1)
InitPlan 1 (returns $0)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_1 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_1
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
InitPlan 2 (returns $1)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_2 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_2
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
(14 rows)
/*+BitmapScan(v_1)BitmapScan(t1)*/
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
duplication hint:
error hint:
- QUERY PLAN
------------------------------------------------------------------------------------------------------
- Bitmap Heap Scan on t1 (cost=33.60..37.61 rows=1 width=4)
+ QUERY PLAN
+----------------------------------------------------------------------
+ Bitmap Heap Scan on t1
Recheck Cond: (id = $2)
InitPlan 1 (returns $0)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_1 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_1
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
InitPlan 3 (returns $2)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 2 (returns $1)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_2 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_2
Index Cond: ((id IS NOT NULL) AND (id < 10))
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.26 rows=1 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id = $2)
(16 rows)
/*+BitmapScan(v_2)BitmapScan(t1)*/
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
duplication hint:
error hint:
- QUERY PLAN
------------------------------------------------------------------------------------------------------
- Bitmap Heap Scan on t1 (cost=33.60..37.61 rows=1 width=4)
+ QUERY PLAN
+----------------------------------------------------------------------
+ Bitmap Heap Scan on t1
Recheck Cond: (id = $2)
InitPlan 2 (returns $1)
- -> Result (cost=0.94..0.95 rows=1 width=0)
+ -> Result
InitPlan 1 (returns $0)
- -> Limit (cost=0.00..0.94 rows=1 width=4)
- -> Index Scan Backward using t1_pkey on t1 v_1 (cost=0.00..8.43 rows=9 width=4)
+ -> Limit
+ -> Index Scan Backward using t1_pkey on t1 v_1
Index Cond: ((id IS NOT NULL) AND (id < 10))
InitPlan 3 (returns $2)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_2 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_2
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.26 rows=1 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id = $2)
(16 rows)
/*+BitmapScan(v_1)BitmapScan(v_2)BitmapScan(t1)*/
-EXPLAIN SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
+EXPLAIN (COSTS false) SELECT (SELECT max(id) FROM t1 v_1 WHERE id < 10), id FROM v1 WHERE v1.id = (SELECT max(id) FROM t1 v_2 WHERE id < 10);
LOG: pg_hint_plan:
used hint:
BitmapScan(t1)
duplication hint:
error hint:
- QUERY PLAN
-------------------------------------------------------------------------------------
- Bitmap Heap Scan on t1 (cost=61.04..65.05 rows=1 width=4)
+ QUERY PLAN
+--------------------------------------------------
+ Bitmap Heap Scan on t1
Recheck Cond: (id = $1)
InitPlan 1 (returns $0)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_1 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_1
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
InitPlan 2 (returns $1)
- -> Aggregate (cost=28.38..28.39 rows=1 width=4)
- -> Bitmap Heap Scan on t1 v_2 (cost=4.32..28.36 rows=9 width=4)
+ -> Aggregate
+ -> Bitmap Heap Scan on t1 v_2
Recheck Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.32 rows=9 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id < 10)
- -> Bitmap Index Scan on t1_pkey (cost=0.00..4.26 rows=1 width=0)
+ -> Bitmap Index Scan on t1_pkey
Index Cond: (id = $1)
(16 rows)
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
-(25 rows)
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+(20 rows)
SET constraint_exclusion TO on;
EXPLAIN (COSTS false) SELECT * FROM p1 WHERE id >= 50 AND id <= 51 AND p1.ctid = '(1,1)';
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
-(12 rows)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+(10 rows)
SET constraint_exclusion TO off;
/*+SeqScan(p1)*/
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(30 rows)
+(25 rows)
SET constraint_exclusion TO on;
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(17 rows)
+(15 rows)
SET constraint_exclusion TO off;
/*+SeqScan(p1)*/
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(30 rows)
+(25 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(30 rows)
+(25 rows)
/*+BitmapScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(30 rows)
+(25 rows)
/*+TidScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(30 rows)
+(25 rows)
/*+NestLoop(p1 t1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Materialize
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(29 rows)
+(24 rows)
/*+MergeJoin(p1 t1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(30 rows)
+(25 rows)
/*+HashJoin(p1 t1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c3 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c4 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c3_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c4 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Hash
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(29 rows)
+(24 rows)
SET constraint_exclusion TO on;
/*+SeqScan(p1)*/
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(17 rows)
+(15 rows)
/*+IndexScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(17 rows)
+(15 rows)
/*+BitmapScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(17 rows)
+(15 rows)
/*+TidScan(p1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(17 rows)
+(15 rows)
/*+NestLoop(p1 t1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
-(16 rows)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+(14 rows)
/*+MergeJoin(p1 t1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Index Scan using t1_pkey on t1
Index Cond: (id < 10)
-(17 rows)
+(15 rows)
/*+HashJoin(p1 t1)*/
EXPLAIN (COSTS false) SELECT * FROM p1, t1 WHERE p1.id >= 50 AND p1.id <= 51 AND p1.ctid = '(1,1)' AND p1.id = t1.id AND t1.id < 10;
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
-> Seq Scan on p1_c1 p1
Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
- -> Tid Scan on p1_c1_c1 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
- -> Tid Scan on p1_c1_c2 p1
- TID Cond: (ctid = '(1,1)'::tid)
- Filter: ((id >= 50) AND (id <= 51))
-(16 rows)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+(14 rows)
SET constraint_exclusion TO off;
EXPLAIN (COSTS false) SELECT * FROM ONLY p1 WHERE id >= 50 AND id <= 51 AND p1.ctid = '(1,1)';
DETAIL: Conflict join method hint.
INFO: hint syntax error at or near "NestLoop(t2 t1)MergeJoin(t1 t2)Leading(t1 t2)Leading(t2 t1)Set(enable_seqscan off)Set(enable_mergejoin on)Set(enable_seqscan on)"
DETAIL: Conflict join method hint.
-INFO: hint syntax error at or near "Leading(t1 t2)Leading(t2 t1)Set(enable_seqscan off)Set(enable_mergejoin on)Set(enable_seqscan on)"
-DETAIL: Conflict leading hint.
INFO: hint syntax error at or near "Set(enable_seqscan off)Set(enable_mergejoin on)Set(enable_seqscan on)"
DETAIL: Conflict set hint.
+INFO: hint syntax error at or near "Leading(t1 t2)Leading(t2 t1)Set(enable_seqscan off)Set(enable_mergejoin on)Set(enable_seqscan on)"
+DETAIL: Conflict leading hint.
LOG: pg_hint_plan:
used hint:
TidScan(t1)
);
LOG: pg_hint_plan:
used hint:
-Leading(a t3_2 t3_5 t2_2 c1_1 t3_4 t3_3 t2_3 t2_4 t1_3 t2_5 t1_2 t3_1 t1_4 t2_1 t1_5 t1_1)
-not used hint:
HashJoin(t1_1 t3_1)
NestLoop(t1_2 t2_2)
MergeJoin(t1_3 t3_3)
NestLoop(t1_4 t2_4)
NestLoop(t1_5 t2_5)
+not used hint:
+Leading(a t3_2 t3_5 t2_2 c1_1 t3_4 t3_3 t2_3 t2_4 t1_3 t2_5 t1_2 t3_1 t1_4 t2_1 t1_5 t1_1)
duplication hint:
error hint:
- QUERY PLAN
--------------------------------------------------------------------
+ QUERY PLAN
+-------------------------------------------------------------------------
Nested Loop
CTE c1_1
-> Aggregate
-> Merge Join
- Merge Cond: (t2_5.id = t1_5.id)
- -> Merge Join
- Merge Cond: (t2_5.id = t3_5.id)
+ Merge Cond: (t1_5.id = t3_5.id)
+ -> Nested Loop
-> Index Scan using t2_pkey on t2 t2_5
- -> Sort
- Sort Key: t3_5.id
- -> Seq Scan on t3 t3_5
- -> Index Scan using t1_pkey on t1 t1_5
- InitPlan 2 (returns $1)
+ -> Index Scan using t1_pkey on t1 t1_5
+ Index Cond: (id = t2_5.id)
+ -> Sort
+ Sort Key: t3_5.id
+ -> Seq Scan on t3 t3_5
+ InitPlan 2 (returns $2)
-> Aggregate
-> Merge Join
- Merge Cond: (t2_2.id = t1_2.id)
- -> Merge Join
- Merge Cond: (t2_2.id = t3_2.id)
+ Merge Cond: (t1_2.id = t3_2.id)
+ -> Nested Loop
-> Index Scan using t2_pkey on t2 t2_2
- -> Sort
- Sort Key: t3_2.id
- -> Seq Scan on t3 t3_2
- -> Index Scan using t1_pkey on t1 t1_2
- InitPlan 3 (returns $2)
+ -> Index Scan using t1_pkey on t1 t1_2
+ Index Cond: (id = t2_2.id)
+ -> Sort
+ Sort Key: t3_2.id
+ -> Seq Scan on t3 t3_2
+ InitPlan 3 (returns $3)
-> Aggregate
-> Merge Join
- Merge Cond: (t2_4.id = t1_4.id)
- -> Merge Join
- Merge Cond: (t2_4.id = t3_4.id)
+ Merge Cond: (t1_4.id = t3_4.id)
+ -> Nested Loop
-> Index Scan using t2_pkey on t2 t2_4
- -> Sort
- Sort Key: t3_4.id
- -> Seq Scan on t3 t3_4
- -> Index Scan using t1_pkey on t1 t1_4
- -> Nested Loop
- -> Nested Loop
- -> Nested Loop
- -> Nested Loop
+ -> Index Scan using t1_pkey on t1 t1_4
+ Index Cond: (id = t2_4.id)
+ -> Sort
+ Sort Key: t3_4.id
+ -> Seq Scan on t3 t3_4
+ -> Nested Loop
+ -> Nested Loop
+ -> Nested Loop
+ -> Nested Loop
+ -> Nested Loop
+ -> Index Scan using t2_pkey on t2 t2_1
+ Index Cond: (id = $3)
+ -> Seq Scan on t3 t3_1
+ Filter: (id = $3)
+ -> Index Scan using t1_pkey on t1 t1_1
+ Index Cond: (id = $3)
+ -> Index Scan using t1_pkey on t1 t1_3
+ Index Cond: (id = $3)
+ -> Index Scan using t2_pkey on t2 t2_3
+ Index Cond: (id = $3)
+ -> Seq Scan on t3 t3_3
+ Filter: (id = $3)
+ -> CTE Scan on c1_1
+ Filter: (id = $3)
+(53 rows)
+
+/*+HashJoin(t1_1 t3_1)MergeJoin(t1_3 t3_3)NestLoop(t1_2 t2_2)NestLoop(t1_4 t2_4)NestLoop(t1_5 t2_5)Leading(t3_5 t2_5 t1_5)Leading(t3_2 t2_2 t1_2)Leading(t3_4 t2_4 t1_4)Leading(c1_1 t3_3 t2_3 t1_3 t3_1 t2_1 t1_1)*/
+EXPLAIN (COSTS false)
+WITH c1_1(id) AS (
+SELECT max(t1_5.id) FROM t1 t1_5, t2 t2_5, t3 t3_5 WHERE t1_5.id = t2_5.id AND t2_5.id = t3_5.id
+)
+SELECT t1_1.id, (
+SELECT max(t1_2.id) FROM t1 t1_2, t2 t2_2, t3 t3_2 WHERE t1_2.id = t2_2.id AND t2_2.id = t3_2.id
+) FROM t1 t1_1, t2 t2_1, t3 t3_1, (
+SELECT t1_3.id FROM t1 t1_3, t2 t2_3, t3 t3_3 WHERE t1_3.id = t2_3.id AND t2_3.id = t3_3.id
+) v1_1(id), c1_1 WHERE t1_1.id = t2_1.id AND t2_1.id = t3_1.id AND t2_1.id = v1_1.id AND v1_1.id = c1_1.id AND t1_1.id = (
+SELECT max(t1_4.id) FROM t1 t1_4, t2 t2_4, t3 t3_4 WHERE t1_4.id = t2_4.id AND t2_4.id = t3_4.id
+);
+LOG: pg_hint_plan:
+used hint:
+Leading(t3_5 t2_5 t1_5)
+Leading(t3_2 t2_2 t1_2)
+Leading(t3_4 t2_4 t1_4)
+Leading(c1_1 t3_3 t2_3 t1_3 t3_1 t2_1 t1_1)
+not used hint:
+HashJoin(t1_1 t3_1)
+NestLoop(t1_2 t2_2)
+MergeJoin(t1_3 t3_3)
+NestLoop(t1_4 t2_4)
+NestLoop(t1_5 t2_5)
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------------------------------------
+ Nested Loop
+ CTE c1_1
+ -> Aggregate
+ -> Merge Join
+ Merge Cond: (t2_5.id = t1_5.id)
+ -> Merge Join
+ Merge Cond: (t2_5.id = t3_5.id)
+ -> Index Scan using t2_pkey on t2 t2_5
+ -> Sort
+ Sort Key: t3_5.id
+ -> Seq Scan on t3 t3_5
+ -> Index Scan using t1_pkey on t1 t1_5
+ InitPlan 2 (returns $1)
+ -> Aggregate
+ -> Merge Join
+ Merge Cond: (t2_2.id = t1_2.id)
+ -> Merge Join
+ Merge Cond: (t2_2.id = t3_2.id)
+ -> Index Scan using t2_pkey on t2 t2_2
+ -> Sort
+ Sort Key: t3_2.id
+ -> Seq Scan on t3 t3_2
+ -> Index Scan using t1_pkey on t1 t1_2
+ InitPlan 3 (returns $2)
+ -> Aggregate
+ -> Merge Join
+ Merge Cond: (t2_4.id = t1_4.id)
+ -> Merge Join
+ Merge Cond: (t2_4.id = t3_4.id)
+ -> Index Scan using t2_pkey on t2 t2_4
+ -> Sort
+ Sort Key: t3_4.id
+ -> Seq Scan on t3 t3_4
+ -> Index Scan using t1_pkey on t1 t1_4
+ -> Nested Loop
+ -> Nested Loop
+ -> Nested Loop
+ -> Nested Loop
-> Nested Loop
-> Seq Scan on t3 t3_3
Filter: (id = $2)
);
LOG: pg_hint_plan:
used hint:
+HashJoin(t1_1 t3_1)
+NestLoop(t1_2 t2_2)
+MergeJoin(t1_3 t3_3)
+NestLoop(t1_4 t2_4)
+NestLoop(t1_5 t2_5)
+not used hint:
Leading(a t3_2 t3_5 t2_2 c1_1 t3_4 t3_3 t2_3 t2_4 t1_3 t2_5 t1_2 t3_1 t1_4 t2_1 t1_5 t1_1)
+duplication hint:
+error hint:
+
+ QUERY PLAN
+---------------------------------------------------------------
+ Nested Loop
+ CTE c1_1
+ -> Aggregate
+ -> Merge Join
+ Merge Cond: (t1_5.id = t3_5.id)
+ -> Nested Loop
+ -> Index Scan using t2_pkey on t2 t2_5
+ -> Index Scan using t1_pkey on t1 t1_5
+ Index Cond: (id = t2_5.id)
+ -> Sort
+ Sort Key: t3_5.id
+ -> Seq Scan on t3 t3_5
+ InitPlan 2 (returns $2)
+ -> Aggregate
+ -> Merge Join
+ Merge Cond: (t1_2.id = t3_2.id)
+ -> Nested Loop
+ -> Index Scan using t2_pkey on t2 t2_2
+ -> Index Scan using t1_pkey on t1 t1_2
+ Index Cond: (id = t2_2.id)
+ -> Sort
+ Sort Key: t3_2.id
+ -> Seq Scan on t3 t3_2
+ InitPlan 3 (returns $3)
+ -> Aggregate
+ -> Merge Join
+ Merge Cond: (t1_4.id = t3_4.id)
+ -> Nested Loop
+ -> Index Scan using t2_pkey on t2 t2_4
+ -> Index Scan using t1_pkey on t1 t1_4
+ Index Cond: (id = t2_4.id)
+ -> Sort
+ Sort Key: t3_4.id
+ -> Seq Scan on t3 t3_4
+ -> Nested Loop
+ -> Nested Loop
+ -> Nested Loop
+ -> Index Scan using t2_pkey on t2 t2_1
+ Index Cond: (id = $3)
+ -> Seq Scan on t3 t3_1
+ Filter: (id = $3)
+ -> Index Scan using t1_pkey on t1 t1_1
+ Index Cond: (id = $3)
+ -> Nested Loop
+ -> Nested Loop
+ -> Index Scan using t2_pkey on t2 t2_3
+ Index Cond: (id = $3)
+ -> Seq Scan on t3 t3_3
+ Filter: (id = $3)
+ -> Index Scan using t1_pkey on t1 t1_3
+ Index Cond: (id = $3)
+ -> CTE Scan on c1_1
+ Filter: (id = $3)
+(53 rows)
+
+/*+HashJoin(t1_1 t3_1)MergeJoin(t1_3 t3_3)NestLoop(t1_2 t2_2)NestLoop(t1_4 t2_4)NestLoop(t1_5 t2_5)Leading(t3_5 t2_5 t1_5)Leading(t3_2 t2_2 t1_2)Leading(t3_4 t2_4 t1_4)Leading(c1_1 t3_3 t2_3 t1_3 t3_1 t2_1 t1_1)*/
+EXPLAIN (COSTS false)
+WITH c1_1(id) AS (
+SELECT max(t1_5.id) FROM t1 t1_5, t2 t2_5, t3 t3_5 WHERE t1_5.id = t2_5.id AND t2_5.id = t3_5.id
+)
+SELECT t1_1.id, (
+SELECT max(t1_2.id) FROM t1 t1_2, t2 t2_2, t3 t3_2 WHERE t1_2.id = t2_2.id AND t2_2.id = t3_2.id
+) FROM t1 t1_1, t2 t2_1, t3 t3_1, (
+SELECT t1_3.id FROM t1 t1_3, t2 t2_3, t3 t3_3 WHERE t1_3.id = t2_3.id AND t2_3.id = t3_3.id
+) v1_1(id), c1_1 WHERE t1_1.id = t2_1.id AND t2_1.id = t3_1.id AND t2_1.id = v1_1.id AND v1_1.id = c1_1.id AND t1_1.id = (
+SELECT max(t1_4.id) FROM t1 t1_4, t2 t2_4, t3 t3_4 WHERE t1_4.id = t2_4.id AND t2_4.id = t3_4.id
+);
+LOG: pg_hint_plan:
+used hint:
+MergeJoin(t1_3 t3_3)
+Leading(t3_5 t2_5 t1_5)
+Leading(t3_2 t2_2 t1_2)
+Leading(t3_4 t2_4 t1_4)
+Leading(c1_1 t3_3 t2_3 t1_3 t3_1 t2_1 t1_1)
not used hint:
HashJoin(t1_1 t3_1)
NestLoop(t1_2 t2_2)
-MergeJoin(t1_3 t3_3)
NestLoop(t1_4 t2_4)
NestLoop(t1_5 t2_5)
duplication hint:
LOG: pg_hint_plan:
used hint:
not used hint:
-Leading(t1 t2 t1)
duplication hint:
error hint:
+Leading(t1 t2 t1)
QUERY PLAN
-----------------------------------------------
-- debug log of candidate index to use IndexScan
EXPLAIN (COSTS false) SELECT * FROM t5 WHERE t5.id = 1;
- QUERY PLAN
--------------------------------
- Index Scan using t5_id3 on t5
+ QUERY PLAN
+----------------------------------------------------------------------------------------
+ Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
Index Cond: (id = 1)
(2 rows)
/*+IndexScan(t5 t5_id2)*/
EXPLAIN (COSTS false) SELECT * FROM t5 WHERE t5.id = 1;
-LOG: available indexes for IndexScan("t5"): t5_id2
+LOG: available indexes for IndexScan(t5): t5_id2
LOG: pg_hint_plan:
used hint:
IndexScan(t5 t5_id2)
/*+IndexScan(t5 no_exist)*/
EXPLAIN (COSTS false) SELECT * FROM t5 WHERE t5.id = 1;
-LOG: available indexes for IndexScan("t5"):
+LOG: available indexes for IndexScan(t5):
LOG: pg_hint_plan:
used hint:
IndexScan(t5 no_exist)
/*+IndexScan(t5 t5_id1 t5_id2)*/
EXPLAIN (COSTS false) SELECT * FROM t5 WHERE t5.id = 1;
-LOG: available indexes for IndexScan("t5"): t5_id2 t5_id1
+LOG: available indexes for IndexScan(t5): t5_id2 t5_id1
LOG: pg_hint_plan:
used hint:
IndexScan(t5 t5_id1 t5_id2)
/*+IndexScan(t5 no_exist t5_id2)*/
EXPLAIN (COSTS false) SELECT * FROM t5 WHERE t5.id = 1;
-LOG: available indexes for IndexScan("t5"): t5_id2
+LOG: available indexes for IndexScan(t5): t5_id2
LOG: pg_hint_plan:
used hint:
IndexScan(t5 no_exist t5_id2)
/*+IndexScan(t5 no_exist5 no_exist2)*/
EXPLAIN (COSTS false) SELECT * FROM t5 WHERE t5.id = 1;
-LOG: available indexes for IndexScan("t5"):
+LOG: available indexes for IndexScan(t5):
LOG: pg_hint_plan:
used hint:
IndexScan(t5 no_exist5 no_exist2)
Filter: (id = 1)
(2 rows)
+-- outer inner
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+ QUERY PLAN
+--------------------------------------------------------
+ Hash Join
+ Hash Cond: (t3.val = t2.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(10 rows)
+
+/*+Leading((t1))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+INFO: hint syntax error at or near "Leading((t1))"
+DETAIL: Leading hint requires two sets of relations when parentheses nests.
+LOG: pg_hint_plan:
+used hint:
+not used hint:
+duplication hint:
+error hint:
+Leading((t1))
+
+ QUERY PLAN
+--------------------------------------------------------
+ Hash Join
+ Hash Cond: (t3.val = t2.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(10 rows)
+
+/*+Leading((t1 t2))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading((t1 t2))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+(9 rows)
+
+/*+Leading((t1 t2 t3))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+INFO: hint syntax error at or near "Leading((t1 t2 t3))"
+DETAIL: Leading hint requires two sets of relations when parentheses nests.
+LOG: pg_hint_plan:
+used hint:
+not used hint:
+duplication hint:
+error hint:
+Leading((t1 t2 t3))
+
+ QUERY PLAN
+--------------------------------------------------------
+ Hash Join
+ Hash Cond: (t3.val = t2.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(10 rows)
+
+EXPLAIN (COSTS false) SELECT * FROM t1, t2 WHERE t1.id = t2.id AND t1.id < 10;
+ QUERY PLAN
+--------------------------------------------
+ Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(6 rows)
+
+/*+Leading((t1 t2))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2 WHERE t1.id = t2.id AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading((t1 t2))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------
+ Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+(6 rows)
+
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+ QUERY PLAN
+--------------------------------------------------------
+ Hash Join
+ Hash Cond: (t3.val = t2.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(10 rows)
+
+/*+Leading(((t1 t2) t3))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+(9 rows)
+
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t3.id = t4.id AND t1.val = t3.val AND t1.id < 10;
+ QUERY PLAN
+--------------------------------------------------------
+ Nested Loop
+ -> Merge Join
+ Merge Cond: (t3.id = t4.id)
+ -> Nested Loop
+ Join Filter: (t1.val = t3.val)
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Index Scan using t2_pkey on t2
+ Index Cond: (id = t1.id)
+(14 rows)
+
+/*+Leading((((t1 t2) t3) t4))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t3.id = t4.id AND t1.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading((((t1 t2) t3) t4))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------
+ Nested Loop
+ -> Nested Loop
+ Join Filter: (t1.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+ -> Index Scan using t4_pkey on t4
+ Index Cond: (id = t3.id)
+(12 rows)
+
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+ QUERY PLAN
+--------------------------------------------------------
+ Hash Join
+ Hash Cond: (t3.val = t2.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(10 rows)
+
+/*+Leading(((t1 t2) t3))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+(9 rows)
+
+/*+Leading((t1 (t2 t3)))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading((t1 (t2 t3)))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.val = t3.val)
+ -> Seq Scan on t2
+ -> Hash
+ -> Seq Scan on t3
+(10 rows)
+
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t3.id = t4.id AND t1.val = t3.val AND t1.id < 10;
+ QUERY PLAN
+--------------------------------------------------------
+ Nested Loop
+ -> Merge Join
+ Merge Cond: (t3.id = t4.id)
+ -> Nested Loop
+ Join Filter: (t1.val = t3.val)
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Index Scan using t2_pkey on t2
+ Index Cond: (id = t1.id)
+(14 rows)
+
+/*+Leading(((t1 t2) (t3 t4)))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t3.id = t4.id AND t1.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) (t3 t4)))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t1.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Merge Join
+ Merge Cond: (t3.id = t4.id)
+ -> Index Scan using t3_pkey on t3
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+(14 rows)
+
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < ( SELECT t1_2.id FROM t1 t1_2, t2 t2_2 WHERE t1_2.id = t2_2.id AND t2_2.val > 100 ORDER BY t1_2.id LIMIT 1);
+ QUERY PLAN
+---------------------------------------------------------------
+ Hash Join
+ Hash Cond: (t2.val = t3.val)
+ InitPlan 1 (returns $1)
+ -> Limit
+ -> Sort
+ Sort Key: t1_2.id
+ -> Nested Loop
+ -> Index Scan using t2_val on t2 t2_2
+ Index Cond: (val > 100)
+ -> Index Scan using t1_pkey on t1 t1_2
+ Index Cond: (id = t2_2.id)
+ -> Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < $1)
+ -> Index Scan using t2_pkey on t2
+ -> Hash
+ -> Seq Scan on t3
+(18 rows)
+
+/*+Leading(((t1 t2) t3)) Leading(((t3 t1) t2))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t1.val = t3.val AND t1.id < ( SELECT t1_2.id FROM t1 t1_2, t2 t2_2 WHERE t1_2.id = t2_2.id AND t2_2.val > 100 ORDER BY t1_2.id LIMIT 1);
+INFO: hint syntax error at or near "Leading(((t1 t2) t3)) Leading(((t3 t1) t2))"
+DETAIL: Conflict leading hint.
+LOG: pg_hint_plan:
+used hint:
+Leading(((t3 t1) t2))
+not used hint:
+duplication hint:
+Leading(((t1 t2) t3))
+error hint:
+
+ QUERY PLAN
+---------------------------------------------------------------
+ Hash Join
+ Hash Cond: (t1.id = t2.id)
+ InitPlan 1 (returns $1)
+ -> Limit
+ -> Sort
+ Sort Key: t1_2.id
+ -> Nested Loop
+ -> Index Scan using t2_val on t2 t2_2
+ Index Cond: (val > 100)
+ -> Index Scan using t1_pkey on t1 t1_2
+ Index Cond: (id = t2_2.id)
+ -> Hash Join
+ Hash Cond: (t3.val = t1.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < $1)
+ -> Hash
+ -> Seq Scan on t2
+(19 rows)
+
+/*+Leading(((t1 t2) t3)) Leading((t1_2 t2_2))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < ( SELECT t1_2.id FROM t1 t1_2, t2 t2_2 WHERE t1_2.id = t2_2.id AND t2_2.val > 100 ORDER BY t1_2.id LIMIT 1);
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+Leading((t1_2 t2_2))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------------------
+ Hash Join
+ Hash Cond: (t2.val = t3.val)
+ InitPlan 1 (returns $0)
+ -> Limit
+ -> Merge Join
+ Merge Cond: (t1_2.id = t2_2.id)
+ -> Index Scan using t1_pkey on t1 t1_2
+ -> Sort
+ Sort Key: t2_2.id
+ -> Index Scan using t2_val on t2 t2_2
+ Index Cond: (val > 100)
+ -> Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < $0)
+ -> Index Scan using t2_pkey on t2
+ -> Hash
+ -> Seq Scan on t3
+(18 rows)
+
+/*+Leading(((((t1 t2) t3) t1_2) t2_2))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < ( SELECT t1_2.id FROM t1 t1_2, t2 t2_2 WHERE t1_2.id = t2_2.id AND t2_2.val > 100 ORDER BY t1_2.id LIMIT 1);
+LOG: pg_hint_plan:
+used hint:
+not used hint:
+Leading(((((t1 t2) t3) t1_2) t2_2))
+duplication hint:
+error hint:
+
+ QUERY PLAN
+---------------------------------------------------------------
+ Hash Join
+ Hash Cond: (t2.val = t3.val)
+ InitPlan 1 (returns $1)
+ -> Limit
+ -> Sort
+ Sort Key: t1_2.id
+ -> Nested Loop
+ -> Index Scan using t2_val on t2 t2_2
+ Index Cond: (val > 100)
+ -> Index Scan using t1_pkey on t1 t1_2
+ Index Cond: (id = t2_2.id)
+ -> Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < $1)
+ -> Index Scan using t2_pkey on t2
+ -> Hash
+ -> Seq Scan on t3
+(18 rows)
+
+-- Specified outer/inner leading hint and join method hint at the same time
+/*+Leading(((t1 t2) t3))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+(9 rows)
+
+/*+Leading(((t1 t2) t3)) MergeJoin(t1 t2)*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+MergeJoin(t1 t2)
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Index Scan using t2_pkey on t2
+ -> Seq Scan on t3
+(8 rows)
+
+/*+Leading(((t1 t2) t3)) MergeJoin(t1 t2 t3)*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+MergeJoin(t1 t2 t3)
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------
+ Merge Join
+ Merge Cond: (t2.val = t3.val)
+ -> Sort
+ Sort Key: t2.val
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Sort
+ Sort Key: t3.val
+ -> Seq Scan on t3
+(13 rows)
+
+/*+Leading(((t1 t2) t3)) MergeJoin(t1 t3)*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+not used hint:
+MergeJoin(t1 t3)
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+(9 rows)
+
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t3.id = t4.id AND t1.val = t3.val AND t1.id < 10;
+ QUERY PLAN
+--------------------------------------------------------
+ Nested Loop
+ -> Merge Join
+ Merge Cond: (t3.id = t4.id)
+ -> Nested Loop
+ Join Filter: (t1.val = t3.val)
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Index Scan using t2_pkey on t2
+ Index Cond: (id = t1.id)
+(14 rows)
+
+/*+Leading(((t1 t2) t3)) MergeJoin(t3 t4)*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t3.id = t4.id AND t1.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+not used hint:
+MergeJoin(t3 t4)
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------
+ Nested Loop
+ -> Nested Loop
+ Join Filter: (t1.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+ -> Index Scan using t4_pkey on t4
+ Index Cond: (id = t3.id)
+(12 rows)
+
+/*+Leading(((t1 t2) t3)) MergeJoin(t1 t2 t3 t4)*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4 WHERE t1.id = t2.id AND t3.id = t4.id AND t1.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+MergeJoin(t1 t2 t3 t4)
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------------
+ Merge Join
+ Merge Cond: (t3.id = t4.id)
+ -> Sort
+ Sort Key: t3.id
+ -> Nested Loop
+ Join Filter: (t1.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+(16 rows)
+
+/*+ Leading ( ( t1 ( t2 t3 ) ) ) */
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading((t1 (t2 t3)))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.val = t3.val)
+ -> Seq Scan on t2
+ -> Hash
+ -> Seq Scan on t3
+(10 rows)
+
+/*+Leading((t1(t2 t3)))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading((t1 (t2 t3)))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.val = t3.val)
+ -> Seq Scan on t2
+ -> Hash
+ -> Seq Scan on t3
+(10 rows)
+
+/*+Leading(("t1(t2" "t3)"))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+not used hint:
+Leading(("t1(t2" "t3)"))
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------------
+ Hash Join
+ Hash Cond: (t3.val = t2.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(10 rows)
+
+/*+ Leading ( ( ( t1 t2 ) t3 ) ) */
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+(9 rows)
+
+/*+Leading(((t1 t2)t3))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) t3))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------
+ Nested Loop
+ Join Filter: (t2.val = t3.val)
+ -> Hash Join
+ Hash Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+ -> Hash
+ -> Seq Scan on t2
+ -> Seq Scan on t3
+(9 rows)
+
+/*+Leading(("(t1" "t2)t3"))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3 WHERE t1.id = t2.id AND t2.val = t3.val AND t1.id < 10;
+LOG: pg_hint_plan:
+used hint:
+not used hint:
+Leading(("(t1" "t2)t3"))
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------------
+ Hash Join
+ Hash Cond: (t3.val = t2.val)
+ -> Seq Scan on t3
+ -> Hash
+ -> Hash Join
+ Hash Cond: (t2.id = t1.id)
+ -> Seq Scan on t2
+ -> Hash
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id < 10)
+(10 rows)
+
+/*+Leading((t1(t2(t3(t4 t5)))))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading((t1 (t2 (t3 (t4 t5)))))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+----------------------------------------------------------------------------------------------------------------------------------
+ Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t2.id = t3.id)
+ -> Index Scan using t2_pkey on t2
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t3.id = t4.id)
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t4.id = t5.id)
+ -> Index Scan using t4_pkey on t4
+ -> Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+(16 rows)
+
+/*+Leading((t5(t4(t3(t2 t1)))))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading((t5 (t4 (t3 (t2 t1)))))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------------------------------------------------
+ Hash Join
+ Hash Cond: (t5.id = t1.id)
+ -> Seq Scan on t5
+ -> Hash
+ -> Merge Join
+ Merge Cond: (t4.id = t1.id)
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t3.id = t1.id)
+ -> Sort
+ Sort Key: t3.id
+ -> Seq Scan on t3
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t2.id = t1.id)
+ -> Index Scan using t2_pkey on t2
+ -> Index Scan using t1_pkey on t1
+(20 rows)
+
+/*+Leading(((((t1 t2)t3)t4)t5))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading(((((t1 t2) t3) t4) t5))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+----------------------------------------------------------------------------------------------
+ Nested Loop
+ -> Merge Join
+ Merge Cond: (t1.id = t4.id)
+ -> Merge Join
+ Merge Cond: (t1.id = t3.id)
+ -> Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ -> Index Scan using t2_pkey on t2
+ -> Index Scan using t3_pkey on t3
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ Index Cond: (id = t1.id)
+(15 rows)
+
+/*+Leading(((((t5 t4)t3)t2)t1))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading(((((t5 t4) t3) t2) t1))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+----------------------------------------------------------------------------------------------------------------
+ Nested Loop
+ -> Merge Join
+ Merge Cond: (t3.id = t2.id)
+ -> Merge Join
+ Merge Cond: (t4.id = t3.id)
+ -> Merge Join
+ Merge Cond: (t5.id = t4.id)
+ -> Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Index Scan using t3_pkey on t3
+ -> Index Scan using t2_pkey on t2
+ -> Index Scan using t1_pkey on t1
+ Index Cond: (id = t2.id)
+(15 rows)
+
+/*+Leading(((t1 t2)(t3(t4 t5))))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t1 t2) (t3 (t4 t5))))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+----------------------------------------------------------------------------------------------------------------------
+ Merge Join
+ Merge Cond: (t1.id = t3.id)
+ -> Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ -> Index Scan using t2_pkey on t2
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t3.id = t4.id)
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t4.id = t5.id)
+ -> Index Scan using t4_pkey on t4
+ -> Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+(15 rows)
+
+/*+Leading(((t5 t4)(t3(t2 t1))))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading(((t5 t4) (t3 (t2 t1))))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+----------------------------------------------------------------------------------------------------
+ Merge Join
+ Merge Cond: (t4.id = t1.id)
+ -> Merge Join
+ Merge Cond: (t5.id = t4.id)
+ -> Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t3.id = t1.id)
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t2.id = t1.id)
+ -> Index Scan using t2_pkey on t2
+ -> Index Scan using t1_pkey on t1
+(17 rows)
+
+/*+Leading((((t1 t2)t3)(t4 t5)))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading((((t1 t2) t3) (t4 t5)))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+----------------------------------------------------------------------------------------------------------
+ Merge Join
+ Merge Cond: (t1.id = t4.id)
+ -> Merge Join
+ Merge Cond: (t1.id = t3.id)
+ -> Merge Join
+ Merge Cond: (t1.id = t2.id)
+ -> Index Scan using t1_pkey on t1
+ -> Index Scan using t2_pkey on t2
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t4.id = t5.id)
+ -> Index Scan using t4_pkey on t4
+ -> Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+(14 rows)
+
+/*+Leading((((t5 t4)t3)(t2 t1)))*/
+EXPLAIN (COSTS false) SELECT * FROM t1, t2, t3, t4, t5 WHERE t1.id = t2.id AND t1.id = t3.id AND t1.id = t4.id AND t1.id = t5.id;
+LOG: pg_hint_plan:
+used hint:
+Leading((((t5 t4) t3) (t2 t1)))
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+----------------------------------------------------------------------------------------------------------
+ Merge Join
+ Merge Cond: (t3.id = t1.id)
+ -> Merge Join
+ Merge Cond: (t4.id = t3.id)
+ -> Merge Join
+ Merge Cond: (t5.id = t4.id)
+ -> Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ -> Sort
+ Sort Key: t4.id
+ -> Seq Scan on t4
+ -> Index Scan using t3_pkey on t3
+ -> Materialize
+ -> Merge Join
+ Merge Cond: (t2.id = t1.id)
+ -> Index Scan using t2_pkey on t2
+ -> Index Scan using t1_pkey on t1
+(16 rows)
+
+-- inherite table test to specify the index's name
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+ QUERY PLAN
+-----------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c1 p2
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+(12 rows)
+
+/*+IndexScan(p2 p2_pkey)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_pkey
+LOG: available indexes for IndexScan(p2_c1): p2_c1_pkey
+LOG: available indexes for IndexScan(p2_c2): p2_c2_pkey
+LOG: available indexes for IndexScan(p2_c3): p2_c3_pkey
+LOG: available indexes for IndexScan(p2_c4): p2_c4_pkey
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_pkey
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_pkey
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_pkey
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_pkey)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_pkey on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_pkey on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_pkey on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_pkey on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+/*+IndexScan(p2 p2_id_val_idx)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_id_val_idx
+LOG: available indexes for IndexScan(p2_c1): p2_c1_id_val_idx
+LOG: available indexes for IndexScan(p2_c2): p2_c2_id_val_idx
+LOG: available indexes for IndexScan(p2_c3): p2_c3_id_val_idx
+LOG: available indexes for IndexScan(p2_c4): p2_c4_id_val_idx
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_id_val_idx
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_id_val_idx
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_id_val_idx
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_id_val_idx
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_id_val_idx)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_id_val_idx on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_id_val_idx on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_id_val_idx on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_id_val_idx on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+/*+IndexScan(p2 p2_val_id_idx)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_val_id_idx
+LOG: available indexes for IndexScan(p2_c1): p2_c1_val_id_idx
+LOG: available indexes for IndexScan(p2_c2): p2_c2_val_id_idx
+LOG: available indexes for IndexScan(p2_c3): p2_c3_val_id_idx
+LOG: available indexes for IndexScan(p2_c4):
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_val_id_idx
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_val_id_idx
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_val_id_idx
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_val_id_idx
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_val_id_idx)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_val_id_idx on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_val_id_idx on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_val_id_idx on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_val_id_idx on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+EXPLAIN (COSTS false) SELECT val FROM p2 WHERE val >= '50' AND val <= '51' AND p2.ctid = '(1,1)';
+ QUERY PLAN
+-----------------------------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c1 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c2 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c3 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Tid Scan on p2_c4 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+(25 rows)
+
+/*+IndexScan(p2 p2_val)*/
+EXPLAIN (COSTS false) SELECT val FROM p2 WHERE val >= '50' AND val <= '51' AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2):
+LOG: available indexes for IndexScan(p2_c1):
+LOG: available indexes for IndexScan(p2_c2):
+LOG: available indexes for IndexScan(p2_c3):
+LOG: available indexes for IndexScan(p2_c4):
+LOG: available indexes for IndexScan(p2_c1_c1):
+LOG: available indexes for IndexScan(p2_c1_c2):
+LOG: available indexes for IndexScan(p2_c3_c1):
+LOG: available indexes for IndexScan(p2_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_val)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c1 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c2 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c3 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Tid Scan on p2_c4 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+(25 rows)
+
+/*+IndexScan(p2 p2_pkey)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_pkey
+LOG: available indexes for IndexScan(p2_c1): p2_c1_pkey
+LOG: available indexes for IndexScan(p2_c2): p2_c2_pkey
+LOG: available indexes for IndexScan(p2_c3): p2_c3_pkey
+LOG: available indexes for IndexScan(p2_c4): p2_c4_pkey
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_pkey
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_pkey
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_pkey
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_pkey)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_pkey on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_pkey on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_pkey on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_pkey on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+/*+IndexScan(p2 p2_id2_val)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_id2_val
+LOG: available indexes for IndexScan(p2_c1): p2_c1_id2_val
+LOG: available indexes for IndexScan(p2_c2): p2_c2_id2_val
+LOG: available indexes for IndexScan(p2_c3):
+LOG: available indexes for IndexScan(p2_c4):
+LOG: available indexes for IndexScan(p2_c1_c1):
+LOG: available indexes for IndexScan(p2_c1_c2):
+LOG: available indexes for IndexScan(p2_c3_c1):
+LOG: available indexes for IndexScan(p2_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_id2_val)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_id2_val on p2
+ Index Cond: ((id >= 50) AND (id <= 51) AND (id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_id2_val on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51) AND (id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+(14 rows)
+
+/*+IndexScan(p2 p2_val2_id)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_val2_id
+LOG: available indexes for IndexScan(p2_c1):
+LOG: available indexes for IndexScan(p2_c2):
+LOG: available indexes for IndexScan(p2_c3):
+LOG: available indexes for IndexScan(p2_c4):
+LOG: available indexes for IndexScan(p2_c1_c1):
+LOG: available indexes for IndexScan(p2_c1_c2):
+LOG: available indexes for IndexScan(p2_c3_c1):
+LOG: available indexes for IndexScan(p2_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_val2_id)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_val2_id on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Seq Scan on p2_c1 p2
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+(13 rows)
+
+/*+IndexScan(p2 p2_pkey)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_pkey
+LOG: available indexes for IndexScan(p2_c1): p2_c1_pkey
+LOG: available indexes for IndexScan(p2_c2): p2_c2_pkey
+LOG: available indexes for IndexScan(p2_c3): p2_c3_pkey
+LOG: available indexes for IndexScan(p2_c4): p2_c4_pkey
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_pkey
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_pkey
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_pkey
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_pkey)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_pkey on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_pkey on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_pkey on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_pkey on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+/*+IndexScan(p2 p2_c1_id_val_idx)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2):
+LOG: available indexes for IndexScan(p2_c1): p2_c1_id_val_idx
+LOG: available indexes for IndexScan(p2_c2):
+LOG: available indexes for IndexScan(p2_c3):
+LOG: available indexes for IndexScan(p2_c4):
+LOG: available indexes for IndexScan(p2_c1_c1):
+LOG: available indexes for IndexScan(p2_c1_c2):
+LOG: available indexes for IndexScan(p2_c3_c1):
+LOG: available indexes for IndexScan(p2_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_c1_id_val_idx)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Index Scan using p2_c1_id_val_idx on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+(13 rows)
+
+/*+IndexScan(p2 no_exist)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2):
+LOG: available indexes for IndexScan(p2_c1):
+LOG: available indexes for IndexScan(p2_c2):
+LOG: available indexes for IndexScan(p2_c3):
+LOG: available indexes for IndexScan(p2_c4):
+LOG: available indexes for IndexScan(p2_c1_c1):
+LOG: available indexes for IndexScan(p2_c1_c2):
+LOG: available indexes for IndexScan(p2_c3_c1):
+LOG: available indexes for IndexScan(p2_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 no_exist)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c1 p2
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+(12 rows)
+
+/*+IndexScan(p2 p2_pkey p2_c1_id_val_idx)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_pkey
+LOG: available indexes for IndexScan(p2_c1): p2_c1_id_val_idx p2_c1_pkey
+LOG: available indexes for IndexScan(p2_c2): p2_c2_pkey
+LOG: available indexes for IndexScan(p2_c3): p2_c3_pkey
+LOG: available indexes for IndexScan(p2_c4): p2_c4_pkey
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_pkey
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_pkey
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_pkey
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_pkey p2_c1_id_val_idx)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_pkey on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_id_val_idx on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_pkey on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_pkey on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+/*+IndexScan(p2 p2_pkey no_exist)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_pkey
+LOG: available indexes for IndexScan(p2_c1): p2_c1_pkey
+LOG: available indexes for IndexScan(p2_c2): p2_c2_pkey
+LOG: available indexes for IndexScan(p2_c3): p2_c3_pkey
+LOG: available indexes for IndexScan(p2_c4): p2_c4_pkey
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_pkey
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_pkey
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_pkey
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_pkey no_exist)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_pkey on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_pkey on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_pkey on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_pkey on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+/*+IndexScan(p2 p2_c1_id_val_idx no_exist)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2):
+LOG: available indexes for IndexScan(p2_c1): p2_c1_id_val_idx
+LOG: available indexes for IndexScan(p2_c2):
+LOG: available indexes for IndexScan(p2_c3):
+LOG: available indexes for IndexScan(p2_c4):
+LOG: available indexes for IndexScan(p2_c1_c1):
+LOG: available indexes for IndexScan(p2_c1_c2):
+LOG: available indexes for IndexScan(p2_c3_c1):
+LOG: available indexes for IndexScan(p2_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_c1_id_val_idx no_exist)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((id >= 50) AND (id <= 51) AND (ctid = '(1,1)'::tid))
+ -> Index Scan using p2_c1_id_val_idx on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((id >= 50) AND (id <= 51))
+(13 rows)
+
+/*+IndexScan(p2 p2_pkey p2_c1_id_val_idx no_exist)*/
+EXPLAIN (COSTS false) SELECT * FROM p2 WHERE id >= 50 AND id <= 51 AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_pkey
+LOG: available indexes for IndexScan(p2_c1): p2_c1_id_val_idx p2_c1_pkey
+LOG: available indexes for IndexScan(p2_c2): p2_c2_pkey
+LOG: available indexes for IndexScan(p2_c3): p2_c3_pkey
+LOG: available indexes for IndexScan(p2_c4): p2_c4_pkey
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_pkey
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_pkey
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_pkey
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_pkey p2_c1_id_val_idx no_exist)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_pkey on p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_id_val_idx on p2_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_pkey on p2_c1_c1 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_pkey on p2_c1_c2 p2
+ Index Cond: ((id >= 50) AND (id <= 51))
+ Filter: (ctid = '(1,1)'::tid)
+(14 rows)
+
+/*+IndexScan(p2 p2_val_idx)*/
+EXPLAIN (COSTS false) SELECT val FROM p2 WHERE val >= '50' AND val <= '51' AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_val_idx
+LOG: available indexes for IndexScan(p2_c1): p2_c1_val_idx
+LOG: available indexes for IndexScan(p2_c2): p2_c2_val_idx
+LOG: available indexes for IndexScan(p2_c3): p2_c3_val_idx
+LOG: available indexes for IndexScan(p2_c4): p2_c4_val_idx
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_val_idx
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_val_idx
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_val_idx
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_val_idx
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_val_idx)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_val_idx on p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_val_idx on p2_c1 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c2_val_idx on p2_c2 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c3_val_idx on p2_c3 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c4_val_idx on p2_c4 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_val_idx on p2_c1_c1 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_val_idx on p2_c1_c2 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c3_c1_val_idx on p2_c3_c1 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c3_c2_val_idx on p2_c3_c2 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+(29 rows)
+
+/*+IndexScan(p2 p2_expr)*/
+EXPLAIN (COSTS false) SELECT val FROM p2 WHERE val >= '50' AND val <= '51' AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_expr
+LOG: available indexes for IndexScan(p2_c1): p2_c1_expr_idx
+LOG: available indexes for IndexScan(p2_c2): p2_c2_expr_idx
+LOG: available indexes for IndexScan(p2_c3): p2_c3_expr_idx
+LOG: available indexes for IndexScan(p2_c4): p2_c4_expr_idx
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_expr_idx
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_expr_idx
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_expr_idx
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_expr_idx
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_expr)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c1 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c2 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c3 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Tid Scan on p2_c4 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+(25 rows)
+
+/*+IndexScan(p2 p2_val_idx6)*/
+EXPLAIN (COSTS false) SELECT val FROM p2 WHERE val >= '50' AND val <= '51' AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_val_idx6
+LOG: available indexes for IndexScan(p2_c1): p2_c1_val_idx6
+LOG: available indexes for IndexScan(p2_c2): p2_c2_val_idx6
+LOG: available indexes for IndexScan(p2_c3): p2_c3_val_idx6
+LOG: available indexes for IndexScan(p2_c4): p2_c4_val_idx6
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_val_idx6
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_val_idx6
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_val_idx6
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_val_idx6
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_val_idx6)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c1 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c2 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Seq Scan on p2_c3 p2
+ Filter: ((val >= '50'::text) AND (val <= '51'::text) AND (ctid = '(1,1)'::tid))
+ -> Tid Scan on p2_c4 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c1_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c1 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+ -> Tid Scan on p2_c3_c2 p2
+ TID Cond: (ctid = '(1,1)'::tid)
+ Filter: ((val >= '50'::text) AND (val <= '51'::text))
+(25 rows)
+
+/*+IndexScan(p2 p2_val_idx p2_val_idx6)*/
+EXPLAIN (COSTS false) SELECT val FROM p2 WHERE val >= '50' AND val <= '51' AND p2.ctid = '(1,1)';
+LOG: available indexes for IndexScan(p2): p2_val_idx6 p2_val_idx
+LOG: available indexes for IndexScan(p2_c1): p2_c1_val_idx6 p2_c1_val_idx
+LOG: available indexes for IndexScan(p2_c2): p2_c2_val_idx6 p2_c2_val_idx
+LOG: available indexes for IndexScan(p2_c3): p2_c3_val_idx6 p2_c3_val_idx
+LOG: available indexes for IndexScan(p2_c4): p2_c4_val_idx6 p2_c4_val_idx
+LOG: available indexes for IndexScan(p2_c1_c1): p2_c1_c1_val_idx6 p2_c1_c1_val_idx
+LOG: available indexes for IndexScan(p2_c1_c2): p2_c1_c2_val_idx6 p2_c1_c2_val_idx
+LOG: available indexes for IndexScan(p2_c3_c1): p2_c3_c1_val_idx6 p2_c3_c1_val_idx
+LOG: available indexes for IndexScan(p2_c3_c2): p2_c3_c2_val_idx6 p2_c3_c2_val_idx
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p2 p2_val_idx p2_val_idx6)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p2_val_idx on p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_val_idx on p2_c1 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c2_val_idx on p2_c2 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c3_val_idx on p2_c3 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c4_val_idx on p2_c4 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c1_val_idx on p2_c1_c1 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c1_c2_val_idx on p2_c1_c2 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c3_c1_val_idx on p2_c3_c1 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+ -> Index Scan using p2_c3_c2_val_idx on p2_c3_c2 p2
+ Index Cond: ((val >= '50'::text) AND (val <= '51'::text))
+ Filter: (ctid = '(1,1)'::tid)
+(29 rows)
+
+-- regular expression
+-- ordinary table
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+ QUERY PLAN
+----------------------------------------------------------------------------------------
+ Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ IndexScanRegexp(t5 t5_[^i].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for IndexScanRegexp(t5): t5_val t5_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScanRegexp(t5 t5_[^i].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------------------
+ Index Scan using t5_pkey on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ IndexScanRegexp(t5 t5_id[0-9].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for IndexScanRegexp(t5): t5_id3 t5_id2 t5_id1
+LOG: pg_hint_plan:
+used hint:
+IndexScanRegexp(t5 t5_id[0-9].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------
+ Index Scan using t5_id3 on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ IndexScanRegexp(t5 t5[^_].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for IndexScanRegexp(t5):
+LOG: pg_hint_plan:
+used hint:
+IndexScanRegexp(t5 t5[^_].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------
+ Seq Scan on t5
+ Filter: (id = 1)
+(2 rows)
+
+/*+ IndexScanRegexp(t5 ^.*t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for IndexScanRegexp(t5):
+LOG: pg_hint_plan:
+used hint:
+IndexScanRegexp(t5 ^.*t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------
+ Seq Scan on t5
+ Filter: (id = 1)
+(2 rows)
+
+/*+ IndexScan(t5 t5_id[0-9].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for IndexScan(t5):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(t5 t5_id[0-9].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------
+ Seq Scan on t5
+ Filter: (id = 1)
+(2 rows)
+
+/*+ IndexOnlyScanRegexp(t5 t5_[^i].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+INFO: hint syntax error at or near "IndexOnlyScanRegexp(t5 t5_[^i].*)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScanRegexp".
+ QUERY PLAN
+----------------------------------------------------------------------------------------
+ Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ IndexOnlyScanRegexp(t5 t5_id[0-9].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+INFO: hint syntax error at or near "IndexOnlyScanRegexp(t5 t5_id[0-9].*)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScanRegexp".
+ QUERY PLAN
+----------------------------------------------------------------------------------------
+ Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ IndexOnlyScanRegexp(t5 t5[^_].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+INFO: hint syntax error at or near "IndexOnlyScanRegexp(t5 t5[^_].*)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScanRegexp".
+ QUERY PLAN
+----------------------------------------------------------------------------------------
+ Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ IndexOnlyScanRegexp(t5 ^.*t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+INFO: hint syntax error at or near "IndexOnlyScanRegexp(t5 ^.*t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScanRegexp".
+ QUERY PLAN
+----------------------------------------------------------------------------------------
+ Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ IndexOnlyScan(t5 t5_id[0-9].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+INFO: hint syntax error at or near "IndexOnlyScan(t5 t5_id[0-9].*)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScan".
+ QUERY PLAN
+----------------------------------------------------------------------------------------
+ Index Scan using t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa on t5
+ Index Cond: (id = 1)
+(2 rows)
+
+/*+ BitmapScanRegexp(t5 t5_[^i].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for BitmapScanRegexp(t5): t5_val t5_pkey
+LOG: pg_hint_plan:
+used hint:
+BitmapScanRegexp(t5 t5_[^i].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+------------------------------------
+ Bitmap Heap Scan on t5
+ Recheck Cond: (id = 1)
+ -> Bitmap Index Scan on t5_pkey
+ Index Cond: (id = 1)
+(4 rows)
+
+/*+ BitmapScanRegexp(t5 t5_id[0-9].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for BitmapScanRegexp(t5): t5_id3 t5_id2 t5_id1
+LOG: pg_hint_plan:
+used hint:
+BitmapScanRegexp(t5 t5_id[0-9].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------
+ Bitmap Heap Scan on t5
+ Recheck Cond: (id = 1)
+ -> Bitmap Index Scan on t5_id3
+ Index Cond: (id = 1)
+(4 rows)
+
+/*+ BitmapScanRegexp(t5 t5[^_].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for BitmapScanRegexp(t5):
+LOG: pg_hint_plan:
+used hint:
+BitmapScanRegexp(t5 t5[^_].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------
+ Seq Scan on t5
+ Filter: (id = 1)
+(2 rows)
+
+/*+ BitmapScanRegexp(t5 ^.*t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for BitmapScanRegexp(t5):
+LOG: pg_hint_plan:
+used hint:
+BitmapScanRegexp(t5 ^.*t5_idaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------
+ Seq Scan on t5
+ Filter: (id = 1)
+(2 rows)
+
+/*+ BitmapScan(t5 t5_id[0-9].*)*/
+EXPLAIN (COSTS false) SELECT id FROM t5 WHERE id = 1;
+LOG: available indexes for BitmapScan(t5):
+LOG: pg_hint_plan:
+used hint:
+BitmapScan(t5 t5_id[0-9].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+--------------------
+ Seq Scan on t5
+ Filter: (id = 1)
+(2 rows)
+
+-- Inheritance
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ IndexScanRegexp(p1 p1_.*[^0-9]$)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for IndexScanRegexp(p1): p1_pkey
+LOG: available indexes for IndexScanRegexp(p1_c1): p1_c1_pkey
+LOG: available indexes for IndexScanRegexp(p1_c2): p1_c2_pkey
+LOG: available indexes for IndexScanRegexp(p1_c3): p1_c3_pkey
+LOG: available indexes for IndexScanRegexp(p1_c4): p1_c4_pkey
+LOG: available indexes for IndexScanRegexp(p1_c1_c1): p1_c1_c1_pkey
+LOG: available indexes for IndexScanRegexp(p1_c1_c2): p1_c1_c2_pkey
+LOG: available indexes for IndexScanRegexp(p1_c3_c1): p1_c3_c1_pkey
+LOG: available indexes for IndexScanRegexp(p1_c3_c2): p1_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+IndexScanRegexp(p1 p1_.*[^0-9]$)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ IndexScanRegexp(p1 p1_.*val2.*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for IndexScanRegexp(p1): p1_val2
+LOG: available indexes for IndexScanRegexp(p1_c1): p1_c1_val2
+LOG: available indexes for IndexScanRegexp(p1_c2): p1_c2_val2
+LOG: available indexes for IndexScanRegexp(p1_c3): p1_c3_val2
+LOG: available indexes for IndexScanRegexp(p1_c4): p1_c4_val2
+LOG: available indexes for IndexScanRegexp(p1_c1_c1): p1_c1_c1_val2
+LOG: available indexes for IndexScanRegexp(p1_c1_c2): p1_c1_c2_val2
+LOG: available indexes for IndexScanRegexp(p1_c3_c1): p1_c3_c1_val2
+LOG: available indexes for IndexScanRegexp(p1_c3_c2): p1_c3_c2_val2
+LOG: pg_hint_plan:
+used hint:
+IndexScanRegexp(p1 p1_.*val2.*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-----------------------------------------------------------
+ Result
+ -> Append
+ -> Index Scan using p1_val2 on p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c1_val2 on p1_c1 p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c2_val2 on p1_c2 p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c3_val2 on p1_c3 p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c4_val2 on p1_c4 p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c1_c1_val2 on p1_c1_c1 p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c1_c2_val2 on p1_c1_c2 p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c3_c1_val2 on p1_c3_c1 p1
+ Index Cond: (val = 1)
+ -> Index Scan using p1_c3_c2_val2 on p1_c3_c2 p1
+ Index Cond: (val = 1)
+(20 rows)
+
+/*+ IndexScanRegexp(p1 p1[^_].*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for IndexScanRegexp(p1):
+LOG: available indexes for IndexScanRegexp(p1_c1):
+LOG: available indexes for IndexScanRegexp(p1_c2):
+LOG: available indexes for IndexScanRegexp(p1_c3):
+LOG: available indexes for IndexScanRegexp(p1_c4):
+LOG: available indexes for IndexScanRegexp(p1_c1_c1):
+LOG: available indexes for IndexScanRegexp(p1_c1_c2):
+LOG: available indexes for IndexScanRegexp(p1_c3_c1):
+LOG: available indexes for IndexScanRegexp(p1_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScanRegexp(p1 p1[^_].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ IndexScan(p1 p1_.*val2.*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for IndexScan(p1):
+LOG: available indexes for IndexScan(p1_c1):
+LOG: available indexes for IndexScan(p1_c2):
+LOG: available indexes for IndexScan(p1_c3):
+LOG: available indexes for IndexScan(p1_c4):
+LOG: available indexes for IndexScan(p1_c1_c1):
+LOG: available indexes for IndexScan(p1_c1_c2):
+LOG: available indexes for IndexScan(p1_c3_c1):
+LOG: available indexes for IndexScan(p1_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+IndexScan(p1 p1_.*val2.*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ IndexOnlyScanRegexp(p1 p1_.*[^0-9]$)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+INFO: hint syntax error at or near "IndexOnlyScanRegexp(p1 p1_.*[^0-9]$)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScanRegexp".
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ IndexOnlyScanRegexp(p1 p1_.*val2.*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+INFO: hint syntax error at or near "IndexOnlyScanRegexp(p1 p1_.*val2.*)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScanRegexp".
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ IndexOnlyScanRegexp(p1 p1[^_].*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+INFO: hint syntax error at or near "IndexOnlyScanRegexp(p1 p1[^_].*)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScanRegexp".
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ IndexOnlyScan(p1 p1_.*val2.*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+INFO: hint syntax error at or near "IndexOnlyScan(p1 p1_.*val2.*)"
+DETAIL: Unrecognized hint keyword "IndexOnlyScan".
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ BitmapScanRegexp(p1 p1_.*[^0-9]$)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for BitmapScanRegexp(p1): p1_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c1): p1_c1_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c2): p1_c2_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c3): p1_c3_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c4): p1_c4_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c1_c1): p1_c1_c1_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c1_c2): p1_c1_c2_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c3_c1): p1_c3_c1_pkey
+LOG: available indexes for BitmapScanRegexp(p1_c3_c2): p1_c3_c2_pkey
+LOG: pg_hint_plan:
+used hint:
+BitmapScanRegexp(p1 p1_.*[^0-9]$)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ BitmapScanRegexp(p1 p1_.*val2.*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for BitmapScanRegexp(p1): p1_val2
+LOG: available indexes for BitmapScanRegexp(p1_c1): p1_c1_val2
+LOG: available indexes for BitmapScanRegexp(p1_c2): p1_c2_val2
+LOG: available indexes for BitmapScanRegexp(p1_c3): p1_c3_val2
+LOG: available indexes for BitmapScanRegexp(p1_c4): p1_c4_val2
+LOG: available indexes for BitmapScanRegexp(p1_c1_c1): p1_c1_c1_val2
+LOG: available indexes for BitmapScanRegexp(p1_c1_c2): p1_c1_c2_val2
+LOG: available indexes for BitmapScanRegexp(p1_c3_c1): p1_c3_c1_val2
+LOG: available indexes for BitmapScanRegexp(p1_c3_c2): p1_c3_c2_val2
+LOG: pg_hint_plan:
+used hint:
+BitmapScanRegexp(p1 p1_.*val2.*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+------------------------------------------------------
+ Result
+ -> Append
+ -> Bitmap Heap Scan on p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c1 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c1_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c2 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c2_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c3 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c3_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c4 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c4_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c1_c1 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c1_c1_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c1_c2 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c1_c2_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c3_c1 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c3_c1_val2
+ Index Cond: (val = 1)
+ -> Bitmap Heap Scan on p1_c3_c2 p1
+ Recheck Cond: (val = 1)
+ -> Bitmap Index Scan on p1_c3_c2_val2
+ Index Cond: (val = 1)
+(38 rows)
+
+/*+ BitmapScanRegexp(p1 p1[^_].*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for BitmapScanRegexp(p1):
+LOG: available indexes for BitmapScanRegexp(p1_c1):
+LOG: available indexes for BitmapScanRegexp(p1_c2):
+LOG: available indexes for BitmapScanRegexp(p1_c3):
+LOG: available indexes for BitmapScanRegexp(p1_c4):
+LOG: available indexes for BitmapScanRegexp(p1_c1_c1):
+LOG: available indexes for BitmapScanRegexp(p1_c1_c2):
+LOG: available indexes for BitmapScanRegexp(p1_c3_c1):
+LOG: available indexes for BitmapScanRegexp(p1_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+BitmapScanRegexp(p1 p1[^_].*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
+/*+ BitmapScan(p1 p1_.*val2.*)*/
+EXPLAIN (COSTS false) SELECT val FROM p1 WHERE val = 1;
+LOG: available indexes for BitmapScan(p1):
+LOG: available indexes for BitmapScan(p1_c1):
+LOG: available indexes for BitmapScan(p1_c2):
+LOG: available indexes for BitmapScan(p1_c3):
+LOG: available indexes for BitmapScan(p1_c4):
+LOG: available indexes for BitmapScan(p1_c1_c1):
+LOG: available indexes for BitmapScan(p1_c1_c2):
+LOG: available indexes for BitmapScan(p1_c3_c1):
+LOG: available indexes for BitmapScan(p1_c3_c2):
+LOG: pg_hint_plan:
+used hint:
+BitmapScan(p1 p1_.*val2.*)
+not used hint:
+duplication hint:
+error hint:
+
+ QUERY PLAN
+-------------------------------------
+ Result
+ -> Append
+ -> Seq Scan on p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c4 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c1_c2 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c1 p1
+ Filter: (val = 1)
+ -> Seq Scan on p1_c3_c2 p1
+ Filter: (val = 1)
+(20 rows)
+
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