SET pg_hint_plan.debug_print TO on;
SET client_min_messages TO LOG;
SET search_path TO public;
+SET max_parallel_workers_per_gather TO 0;
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1;
QUERY PLAN
------------------------------------
QUERY PLAN
------------------------------------------------
Nested Loop
- Join Filter: (t1.c1 = t4.c1)
-> Merge Join
Merge Cond: (t1.c1 = t2.c1)
-> Merge Join
Sort Key: t2.c1
-> Seq Scan on t2
-> Index Scan using t4_i1 on t4
- Index Cond: (c1 = t3.c1)
-(13 rows)
+ Index Cond: (c1 = t1.c1)
+(12 rows)
----
---- No. J-1-6 object type for the hint
)
FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 = bmt3.c1 AND bmt3.ctid = '(1,1)' AND bmt1.c1 = bmt4.c1 AND bmt4.ctid = '(1,1)'
;
- QUERY PLAN
--------------------------------------------------------------------
+ QUERY PLAN
+-----------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $0)
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
-(47 rows)
+ -> Materialize
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
+(50 rows)
/*+
Leading(bmt1 bmt2 bmt3 bmt4)
-> Aggregate
-> Nested Loop
Join Filter: (b1t2.c1 = b1t1.c1)
+ -> Tid Scan on t1 b1t1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t4.c1 = b1t2.c1)
-> Tid Scan on t4 b1t4
Sort Key: b1t3.c1
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 b1t1
- TID Cond: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t1.c1 = b2t3.c1)
-> Tid Scan on t1 b2t1
Sort Key: b2t4.c1
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt3.c1 = bmt1.c1)
-> Tid Scan on t3 bmt3
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
(62 rows)
-- No. J-2-1-2
)
FROM s1.t1 bmt1, s1.t2 bmt2, s1.t3 bmt3, s1.t4 bmt4 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 = bmt3.c1 AND bmt3.ctid = '(1,1)' AND bmt1.c1 = bmt4.c1 AND bmt4.ctid = '(1,1)'
;
- QUERY PLAN
--------------------------------------------------------------------
+ QUERY PLAN
+-----------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $0)
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
+ -> Tid Scan on t4 b3t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b3t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b3t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b3t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
-(63 rows)
+ -> Materialize
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
+(67 rows)
/*+
Leading(bmt1 bmt2 bmt3 bmt4)
-> Aggregate
-> Nested Loop
Join Filter: (b1t2.c1 = b1t1.c1)
+ -> Tid Scan on t1 b1t1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t4.c1 = b1t2.c1)
-> Tid Scan on t4 b1t4
Sort Key: b1t3.c1
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 b1t1
- TID Cond: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t1.c1 = b2t3.c1)
-> Tid Scan on t1 b2t1
Sort Key: b2t4.c1
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b3t2.c1 = b3t1.c1)
-> Seq Scan on t2 b3t2
Sort Key: b3t4.c1
-> Tid Scan on t4 b3t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt3.c1 = bmt1.c1)
-> Tid Scan on t3 bmt3
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
(83 rows)
-- No. J-2-1-3
EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, s1.t2 bmt2, (SELECT ctid, * FROM s1.t3 bmt3) sbmt3, (SELECT ctid, * FROM s1.t4 bmt4) sbmt4 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = bmt2.c1 AND bmt2.ctid = '(1,1)' AND bmt1.c1 = sbmt3.c1 AND sbmt3.ctid = '(1,1)' AND bmt1.c1 = sbmt4.c1 AND sbmt4.ctid = '(1,1)';
- QUERY PLAN
------------------------------------------------------------
+ QUERY PLAN
+---------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
-(15 rows)
+ -> Materialize
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
+(16 rows)
/*+
Leading(bmt4 bmt3 bmt2 bmt1)
Aggregate
-> Nested Loop
Join Filter: (bmt2.c1 = bmt1.c1)
+ -> Tid Scan on t1 bmt1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt2.c1 = bmt3.c1)
-> Seq Scan on t2 bmt2
Sort Key: bmt4.c1
-> Tid Scan on t4 bmt4
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 bmt1
- TID Cond: (ctid = '(1,1)'::tid)
(20 rows)
-- No. J-2-1-4
EXPLAIN (COSTS false) SELECT max(bmt1.c1) FROM s1.t1 bmt1, (SELECT ctid, * FROM s1.t2 bmt2) sbmt2, (SELECT ctid, * FROM s1.t3 bmt3) sbmt3, (SELECT ctid, * FROM s1.t4 bmt4) sbmt4 WHERE bmt1.ctid = '(1,1)' AND bmt1.c1 = sbmt2.c1 AND sbmt2.ctid = '(1,1)' AND bmt1.c1 = sbmt3.c1 AND sbmt3.ctid = '(1,1)' AND bmt1.c1 = sbmt4.c1 AND sbmt4.ctid = '(1,1)';
- QUERY PLAN
------------------------------------------------------------
+ QUERY PLAN
+---------------------------------------------------------------
Aggregate
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
-(15 rows)
+ -> Materialize
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
+(16 rows)
/*+
Leading(bmt4 bmt3 bmt2 bmt1)
Aggregate
-> Nested Loop
Join Filter: (bmt2.c1 = bmt1.c1)
+ -> Tid Scan on t1 bmt1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt2.c1 = bmt3.c1)
-> Seq Scan on t2 bmt2
Sort Key: bmt4.c1
-> Tid Scan on t4 bmt4
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 bmt1
- TID Cond: (ctid = '(1,1)'::tid)
(20 rows)
-- No. J-2-1-5
SELECT max(b2t1.c1) FROM s1.t1 b2t1, s1.t2 b2t2, s1.t3 b2t3, s1.t4 b2t4 WHERE b2t1.ctid = '(1,1)' AND b2t1.c1 = b2t2.c1 AND b2t2.ctid = '(1,1)' AND b2t1.c1 = b2t3.c1 AND b2t3.ctid = '(1,1)' AND b2t1.c1 = b2t4.c1 AND b2t4.ctid = '(1,1)'
)
;
- QUERY PLAN
--------------------------------------------------------------------
+ QUERY PLAN
+-----------------------------------------------------------------------
Aggregate
InitPlan 1 (returns $0)
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 <> $0) AND (c1 <> $1))
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
-(48 rows)
+ -> Materialize
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
+(51 rows)
/*+
Leading(bmt1 bmt2 bmt3 bmt4)
-> Aggregate
-> Nested Loop
Join Filter: (b1t2.c1 = b1t1.c1)
+ -> Tid Scan on t1 b1t1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t4.c1 = b1t2.c1)
-> Tid Scan on t4 b1t4
Sort Key: b1t3.c1
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 b1t1
- TID Cond: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t1.c1 = b2t3.c1)
-> Tid Scan on t1 b2t1
Sort Key: b2t4.c1
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt3.c1 = bmt1.c1)
-> Tid Scan on t3 bmt3
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
(63 rows)
-- No. J-2-1-6
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
+ -> Tid Scan on t4 b3t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b3t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b3t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b3t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 <> $0) AND (c1 <> $1) AND (c1 <> $2))
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
-(64 rows)
+ -> Materialize
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
+(68 rows)
/*+
Leading(bmt1 bmt2 bmt3 bmt4)
-> Aggregate
-> Nested Loop
Join Filter: (b1t2.c1 = b1t1.c1)
+ -> Tid Scan on t1 b1t1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t4.c1 = b1t2.c1)
-> Tid Scan on t4 b1t4
Sort Key: b1t3.c1
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 b1t1
- TID Cond: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t1.c1 = b2t3.c1)
-> Tid Scan on t1 b2t1
Sort Key: b2t4.c1
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b3t2.c1 = b3t1.c1)
-> Seq Scan on t2 b3t2
Sort Key: b3t4.c1
-> Tid Scan on t4 b3t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt3.c1 = bmt1.c1)
-> Tid Scan on t3 bmt3
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
(84 rows)
-- No. J-2-1-7
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
CTE c2
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = c2.c1)
-> Nested Loop
- Join Filter: (bmt1.c1 = c1.c1)
+ Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt4.c1)
+ Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt3.c1)
+ Join Filter: (bmt1.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt2.c1)
+ Join Filter: (bmt1.c1 = c1.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
- -> CTE Scan on c1
+ -> CTE Scan on c1
-> CTE Scan on c2
-(53 rows)
+(55 rows)
/*+
Leading(c2 c1 bmt1 bmt2 bmt3 bmt4)
-> Aggregate
-> Nested Loop
Join Filter: (b1t2.c1 = b1t1.c1)
+ -> Tid Scan on t1 b1t1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t4.c1 = b1t2.c1)
-> Tid Scan on t4 b1t4
Sort Key: b1t3.c1
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 b1t1
- TID Cond: (ctid = '(1,1)'::tid)
CTE c2
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t1.c1 = b2t3.c1)
-> Tid Scan on t1 b2t1
Sort Key: b2t4.c1
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt4.c1 = bmt1.c1)
-> Tid Scan on t4 bmt4
Sort Key: bmt1.c1
-> Nested Loop
Join Filter: (bmt1.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt1.c1 = c1.c1)
-> Tid Scan on t1 bmt1
-> Sort
Sort Key: c2.c1
-> CTE Scan on c2
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
-> Sort
Sort Key: bmt3.c1
-> Tid Scan on t3 bmt3
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
CTE c2
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
CTE c3
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
+ -> Tid Scan on t4 b3t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b3t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b3t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b3t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = c3.c1)
-> Nested Loop
Join Filter: (bmt1.c1 = c2.c1)
-> Nested Loop
- Join Filter: (bmt1.c1 = c1.c1)
+ Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt4.c1)
+ Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt3.c1)
+ Join Filter: (bmt1.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt2.c1)
+ Join Filter: (bmt1.c1 = c1.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
- -> CTE Scan on c1
+ -> CTE Scan on c1
-> CTE Scan on c2
-> CTE Scan on c3
-(72 rows)
+(75 rows)
/*+
Leading(c3 c2 c1 bmt1 bmt2 bmt3 bmt4)
-> Aggregate
-> Nested Loop
Join Filter: (b1t2.c1 = b1t1.c1)
+ -> Tid Scan on t1 b1t1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t4.c1 = b1t2.c1)
-> Tid Scan on t4 b1t4
Sort Key: b1t3.c1
-> Tid Scan on t3 b1t3
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 b1t1
- TID Cond: (ctid = '(1,1)'::tid)
CTE c2
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t1.c1 = b2t3.c1)
-> Tid Scan on t1 b2t1
Sort Key: b2t4.c1
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
CTE c3
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b3t2.c1 = b3t1.c1)
-> Seq Scan on t2 b3t2
Sort Key: b3t4.c1
-> Tid Scan on t4 b3t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt3.c1 = bmt1.c1)
-> Tid Scan on t3 bmt3
Sort Key: bmt1.c1
-> Nested Loop
Join Filter: (c1.c1 = bmt1.c1)
+ -> Tid Scan on t1 bmt1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (c2.c1 = c1.c1)
-> Merge Join
-> CTE Scan on c3
-> Hash
-> CTE Scan on c1
- -> Tid Scan on t1 bmt1
- TID Cond: (ctid = '(1,1)'::tid)
-> Sort
Sort Key: bmt2.c1
-> Seq Scan on t2 bmt2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
(97 rows)
----
SELECT max(b3t1.c1) FROM s1.t1 b3t1, s1.t2 b3t2 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = b3t2.c1 AND b3t2.ctid = '(1,1)'
)
;
- QUERY PLAN
--------------------------------------------------------
+ QUERY PLAN
+-----------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b3t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b3t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = c1.c1)
+ Join Filter: (bmt1.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt2.c1)
+ Join Filter: (bmt1.c1 = c1.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 <> $2)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> CTE Scan on c1
-(35 rows)
+ -> CTE Scan on c1
+(38 rows)
/*+
Leading(c1 bmt2 bmt1)
SELECT max(b3t1.c1) FROM s1.t1 b3t1, s1.t2 b3t2, s1.t3 b3t3, s1.t4 b3t4 WHERE b3t1.ctid = '(1,1)' AND b3t1.c1 = b3t2.c1 AND b3t2.ctid = '(1,1)' AND b3t1.c1 = b3t3.c1 AND b3t3.ctid = '(1,1)' AND b3t1.c1 = b3t4.c1 AND b3t4.ctid = '(1,1)'
)
;
- QUERY PLAN
--------------------------------------------------------------------
+ QUERY PLAN
+-----------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 2 (returns $1)
-> Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
+ -> Tid Scan on t4 b3t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b3t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b3t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b3t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = c1.c1)
+ Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt4.c1)
+ Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt3.c1)
+ Join Filter: (bmt1.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt2.c1)
+ Join Filter: (bmt1.c1 = c1.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 <> $2)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
- -> CTE Scan on c1
-(67 rows)
+ -> CTE Scan on c1
+(70 rows)
/*+
Leading(c1 bmt4 bmt3 bmt2 bmt1)
Sort Key: b1t2.c1
-> Nested Loop
Join Filter: (b1t3.c1 = b1t2.c1)
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t3.c1 = b1t4.c1)
-> Tid Scan on t3 b1t3
-> Hash
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
-> Sort
Sort Key: b1t1.c1
-> Tid Scan on t1 b1t1
Sort Key: b2t2.c1
-> Nested Loop
Join Filter: (b2t3.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t3.c1 = b2t4.c1)
-> Tid Scan on t3 b2t3
-> Hash
-> Tid Scan on t4 b2t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
-> Sort
Sort Key: b2t1.c1
-> Tid Scan on t1 b2t1
Sort Key: b3t2.c1
-> Nested Loop
Join Filter: (b3t3.c1 = b3t2.c1)
+ -> Seq Scan on t2 b3t2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b3t3.c1 = b3t4.c1)
-> Tid Scan on t3 b3t3
-> Hash
-> Tid Scan on t4 b3t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b3t2
- Filter: (ctid = '(1,1)'::tid)
-> Sort
Sort Key: b3t1.c1
-> Tid Scan on t1 b3t1
Sort Key: bmt2.c1
-> Nested Loop
Join Filter: (bmt3.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt3.c1 = bmt4.c1)
-> Tid Scan on t3 bmt3
-> Sort
Sort Key: c1.c1
-> CTE Scan on c1
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
-> Sort
Sort Key: bmt1.c1
-> Tid Scan on t1 bmt1
SELECT max(b3t1.c1) FROM s1.t1 b3t1 WHERE b3t1.ctid = '(1,1)'
)
;
- QUERY PLAN
--------------------------------------------------------------------
+ QUERY PLAN
+-----------------------------------------------------------------------
Aggregate
CTE c1
-> Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Result
InitPlan 2 (returns $1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
- InitPlan 4 (returns $3)
+ InitPlan 4 (returns $4)
-> Aggregate
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = c1.c1)
+ Join Filter: (bmt1.c1 = bmt4.c1)
+ -> Tid Scan on t4 bmt4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt4.c1)
+ Join Filter: (bmt1.c1 = bmt3.c1)
+ -> Tid Scan on t3 bmt3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt3.c1)
+ Join Filter: (bmt1.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
- Join Filter: (bmt1.c1 = bmt2.c1)
+ Join Filter: (bmt1.c1 = c1.c1)
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- Filter: (c1 <> $3)
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 bmt3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 bmt4
- TID Cond: (ctid = '(1,1)'::tid)
- -> CTE Scan on c1
-(46 rows)
+ Filter: (c1 <> $4)
+ -> CTE Scan on c1
+(47 rows)
/*+
Leading(c1 bmt4 bmt3 bmt2 bmt1)
-> Aggregate
-> Nested Loop
Join Filter: (b1t2.c1 = b1t1.c1)
+ -> Tid Scan on t1 b1t1
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t2.c1 = b1t3.c1)
-> Seq Scan on t2 b1t2
Sort Key: b1t4.c1
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t1 b1t1
- TID Cond: (ctid = '(1,1)'::tid)
InitPlan 3 (returns $2)
-> Result
InitPlan 2 (returns $1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
Filter: ((c1 IS NOT NULL) AND (c1 = 1))
- InitPlan 4 (returns $3)
+ InitPlan 4 (returns $4)
-> Aggregate
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
Sort Key: bmt2.c1
-> Nested Loop
Join Filter: (bmt3.c1 = bmt2.c1)
+ -> Seq Scan on t2 bmt2
+ Filter: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (bmt3.c1 = bmt4.c1)
-> Tid Scan on t3 bmt3
-> Sort
Sort Key: c1.c1
-> CTE Scan on c1
- -> Seq Scan on t2 bmt2
- Filter: (ctid = '(1,1)'::tid)
-> Sort
Sort Key: bmt1.c1
-> Tid Scan on t1 bmt1
TID Cond: (ctid = '(1,1)'::tid)
- Filter: (c1 <> $3)
+ Filter: (c1 <> $4)
(60 rows)
----
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
+ -> Tid Scan on t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
+ -> Tid Scan on t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4
- TID Cond: (ctid = '(1,1)'::tid)
(19 rows)
/*+
Sort Key: t4.c1
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on r1
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-(24 rows)
+(25 rows)
EXPLAIN (COSTS false) UPDATE s1.r1_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r1_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
(19 rows)
/*+
Sort Key: b1t4.c1
-> Tid Scan on t4 b1t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on r1_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-(24 rows)
+(25 rows)
-- No. J-2-3-2
EXPLAIN (COSTS false) UPDATE s1.r2 SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
+ -> Tid Scan on t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
+ -> Tid Scan on t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r2
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4
- TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
+ -> Tid Scan on t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
+ -> Tid Scan on t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r2
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4
- TID Cond: (ctid = '(1,1)'::tid)
(39 rows)
/*+
Sort Key: t4.c1
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on r2
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
Sort Key: t4.c1
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on r2
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-(49 rows)
+(51 rows)
EXPLAIN (COSTS false) UPDATE s1.r2_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r2_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r2_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
(39 rows)
/*+
-> Nested Loop
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t3.c1 = b1t1.c1)
-> Tid Scan on t3 b1t3
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on r2_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Nested Loop
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t3.c1 = b2t1.c1)
-> Tid Scan on t3 b2t3
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on r2_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
+ -> Tid Scan on t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
+ -> Tid Scan on t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4
- TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
+ -> Tid Scan on t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
+ -> Tid Scan on t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4
- TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (t1.c1 = t4.c1)
+ -> Tid Scan on t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t3.c1)
+ -> Tid Scan on t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (t1.c1 = t2.c1)
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4
- TID Cond: (ctid = '(1,1)'::tid)
(59 rows)
/*+
Sort Key: t4.c1
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
Sort Key: t4.c1
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
Sort Key: t4.c1
-> Tid Scan on t4
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2
- Filter: (ctid = '(1,1)'::tid)
+ -> Materialize
+ -> Seq Scan on t2
+ Filter: (ctid = '(1,1)'::tid)
-> Tid Scan on r3
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-(74 rows)
+(77 rows)
EXPLAIN (COSTS false) UPDATE s1.r3_ SET c1 = c1 WHERE c1 = 1 AND ctid = '(1,1)';
QUERY PLAN
Aggregate
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t3.c1)
+ -> Tid Scan on t3 b1t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b1t1.c1 = b1t2.c1)
+ -> Seq Scan on t2 b1t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b1t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b1t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b1t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t3.c1)
+ -> Tid Scan on t3 b2t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b2t1.c1 = b2t2.c1)
+ -> Seq Scan on t2 b2t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b2t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b2t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b2t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
Aggregate
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
+ -> Tid Scan on t4 b3t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t3.c1)
+ -> Tid Scan on t3 b3t3
+ TID Cond: (ctid = '(1,1)'::tid)
-> Nested Loop
Join Filter: (b3t1.c1 = b3t2.c1)
+ -> Seq Scan on t2 b3t2
+ Filter: (ctid = '(1,1)'::tid)
-> Nested Loop
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Tid Scan on t1 b3t1
TID Cond: (ctid = '(1,1)'::tid)
- -> Seq Scan on t2 b3t2
- Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t3 b3t3
- TID Cond: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b3t4
- TID Cond: (ctid = '(1,1)'::tid)
(59 rows)
/*+
-> Nested Loop
-> Nested Loop
Join Filter: (b1t1.c1 = b1t4.c1)
+ -> Tid Scan on t4 b1t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b1t3.c1 = b1t1.c1)
-> Tid Scan on t3 b1t3
Sort Key: b1t2.c1
-> Seq Scan on t2 b1t2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b1t4
- TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Nested Loop
-> Nested Loop
Join Filter: (b2t1.c1 = b2t4.c1)
+ -> Tid Scan on t4 b2t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b2t3.c1 = b2t1.c1)
-> Tid Scan on t3 b2t3
Sort Key: b2t2.c1
-> Seq Scan on t2 b2t2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b2t4
- TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
-> Nested Loop
-> Nested Loop
Join Filter: (b3t1.c1 = b3t4.c1)
+ -> Tid Scan on t4 b3t4
+ TID Cond: (ctid = '(1,1)'::tid)
-> Hash Join
Hash Cond: (b3t3.c1 = b3t1.c1)
-> Tid Scan on t3 b3t3
Sort Key: b3t2.c1
-> Seq Scan on t2 b3t2
Filter: (ctid = '(1,1)'::tid)
- -> Tid Scan on t4 b3t4
- TID Cond: (ctid = '(1,1)'::tid)
-> Tid Scan on r3_
TID Cond: (ctid = '(1,1)'::tid)
Filter: (c1 = 1)
----
-- No. J-2-4-1
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1')) AS t3 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1;
- QUERY PLAN
--------------------------------------------------
+ QUERY PLAN
+------------------------------------
Nested Loop
- -> Hash Join
- Hash Cond: (t2.c1 = "*VALUES*".column1)
- -> Seq Scan on t2
- -> Hash
- -> Values Scan on "*VALUES*"
-> Index Scan using t1_i1 on t1
- Index Cond: (c1 = t2.c1)
-(8 rows)
+ Index Cond: (c1 = 1)
+ -> Seq Scan on t2
+ Filter: (c1 = 1)
+(5 rows)
/*+ Leading(t3 t1 t2) HashJoin(t3 t1)NestLoop(t3 t1 t2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1')) AS t3 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1;
duplication hint:
error hint:
- QUERY PLAN
--------------------------------------------------
+ QUERY PLAN
+------------------------------------
Nested Loop
- -> Hash Join
- Hash Cond: (t2.c1 = "*VALUES*".column1)
- -> Seq Scan on t2
- -> Hash
- -> Values Scan on "*VALUES*"
-> Index Scan using t1_i1 on t1
- Index Cond: (c1 = t2.c1)
-(8 rows)
+ Index Cond: (c1 = 1)
+ -> Seq Scan on t2
+ Filter: (c1 = 1)
+(5 rows)
/*+ Leading(*VALUES* t1 t2) HashJoin(*VALUES* t1)NestLoop(*VALUES* t1 t2)*/
-EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1')) AS t3 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1;
+EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t3 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1;
LOG: pg_hint_plan:
used hint:
HashJoin(*VALUES* t1)
(8 rows)
-- No. J-2-4-2
-EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1')) AS t3 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t4 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1 AND t1.c1 = t4.c1;
+EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t3 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t4 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1 AND t1.c1 = t4.c1;
QUERY PLAN
-------------------------------------------------------
Nested Loop
- Join Filter: (t1.c1 = "*VALUES*_1".column1)
-> Nested Loop
+ Join Filter: (t2.c1 = "*VALUES*_1".column1)
-> Hash Join
Hash Cond: (t2.c1 = "*VALUES*".column1)
-> Seq Scan on t2
-> Hash
-> Values Scan on "*VALUES*"
- -> Index Scan using t1_i1 on t1
- Index Cond: (c1 = t2.c1)
- -> Values Scan on "*VALUES*_1"
-(11 rows)
+ -> Materialize
+ -> Values Scan on "*VALUES*_1"
+ -> Index Scan using t1_i1 on t1
+ Index Cond: (c1 = t2.c1)
+(12 rows)
/*+ Leading(t4 t3 t2 t1) NestLoop(t4 t3)HashJoin(t4 t3 t2)MergeJoin(t4 t3 t2 t1)*/
-EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1')) AS t3 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t4 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1 AND t1.c1 = t4.c1;
+EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t3 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t4 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1 AND t1.c1 = t4.c1;
LOG: pg_hint_plan:
used hint:
not used hint:
QUERY PLAN
-------------------------------------------------------
Nested Loop
- Join Filter: (t1.c1 = "*VALUES*_1".column1)
-> Nested Loop
+ Join Filter: (t2.c1 = "*VALUES*_1".column1)
-> Hash Join
Hash Cond: (t2.c1 = "*VALUES*".column1)
-> Seq Scan on t2
-> Hash
-> Values Scan on "*VALUES*"
- -> Index Scan using t1_i1 on t1
- Index Cond: (c1 = t2.c1)
- -> Values Scan on "*VALUES*_1"
-(11 rows)
+ -> Materialize
+ -> Values Scan on "*VALUES*_1"
+ -> Index Scan using t1_i1 on t1
+ Index Cond: (c1 = t2.c1)
+(12 rows)
/*+ Leading(*VALUES* t3 t2 t1) NestLoop(t4 t3)HashJoin(*VALUES* t3 t2)MergeJoin(*VALUES* t3 t2 t1)*/
-EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1')) AS t3 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t4 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1 AND t1.c1 = t4.c1;
+EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2, (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t3 (c1, c2, c3, c4), (VALUES(1,1,1,'1'), (2,2,2,'2')) AS t4 (c1, c2, c3, c4) WHERE t1.c1 = t2.c1 AND t1.c1 = t3.c1 AND t1.c1 = t4.c1;
INFO: pg_hint_plan: hint syntax error at or near "HashJoin(*VALUES* t3 t2)MergeJoin(*VALUES* t3 t2 t1)"
DETAIL: Relation name "*VALUES*" is ambiguous.
INFO: pg_hint_plan: hint syntax error at or near "MergeJoin(*VALUES* t3 t2 t1)"
QUERY PLAN
-------------------------------------------------------
Nested Loop
- Join Filter: (t1.c1 = "*VALUES*_1".column1)
-> Nested Loop
+ Join Filter: (t2.c1 = "*VALUES*_1".column1)
-> Hash Join
Hash Cond: (t2.c1 = "*VALUES*".column1)
-> Seq Scan on t2
-> Hash
-> Values Scan on "*VALUES*"
- -> Index Scan using t1_i1 on t1
- Index Cond: (c1 = t2.c1)
- -> Values Scan on "*VALUES*_1"
-(11 rows)
+ -> Materialize
+ -> Values Scan on "*VALUES*_1"
+ -> Index Scan using t1_i1 on t1
+ Index Cond: (c1 = t2.c1)
+(12 rows)
----
---- No. J-3-1 join method hint
SET enable_mergejoin TO on;
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1 AND t1.ctid = '(1,1)';;
- QUERY PLAN
------------------------------------------
+ QUERY PLAN
+-----------------------------------------------
Nested Loop
Join Filter: (t1.c1 = t2.c1)
- -> Tid Scan on t1
- TID Cond: (ctid = '(1,1)'::tid)
-> Seq Scan on t2
-(5 rows)
+ -> Materialize
+ -> Tid Scan on t1
+ TID Cond: (ctid = '(1,1)'::tid)
+(6 rows)
/*+NoNestLoop(t1 t2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1 AND t1.ctid = '(1,1)';;