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[FEAT MERGE] implement dynamic sampling

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This commit is contained in:
wangt1xiuyi
2023-04-27 12:15:28 +00:00
committed by ob-robot
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
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417
tools/deploy/mysql_test/test_suite/join/r/mysql/anti_semi_join.result
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@ -228,7 +228,7 @@ Query Plan
=======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------
|0 |NESTED-LOOP SEMI JOIN | |5 |5 |
|0 |NESTED-LOOP SEMI JOIN | |6 |5 |
|1 |├─TABLE FULL SCAN |xy_t1|8 |3 |
|2 |└─MATERIAL | |5 |3 |
|3 | └─TABLE FULL SCAN |xy_t2|5 |2 |
@ -262,7 +262,7 @@ Query Plan
====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------
|0 |MERGE SEMI JOIN | |5 |6 |
|0 |MERGE SEMI JOIN | |6 |6 |
|1 |├─SORT | |8 |3 |
|2 |│ └─TABLE FULL SCAN|xy_t1|8 |3 |
|3 |└─SORT | |5 |3 |
@ -301,7 +301,7 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |HASH RIGHT SEMI JOIN | |5 |6 |
|0 |HASH RIGHT SEMI JOIN | |6 |6 |
|1 |├─TABLE FULL SCAN |xy_t2|5 |2 |
|2 |└─TABLE FULL SCAN |xy_t1|8 |3 |
======================================================
@ -665,14 +665,14 @@ select /*+use_hash(xy_x_t xy_y_t)*/ * from xy_x_t where x1 in (select y1 from xy
| x1 | x2 |
+------+------------+
| 0 | yzh |
| 2 | it's |
| 2 | VZLUW |
| 2 | want |
| 2 | it's |
| 2 | think |
| 6 | uyslpcybda |
| 2 | want |
| 6 | u |
| 9 | TBMEI |
| 6 | uyslpcybda |
| 9 | QPPLC |
| 9 | TBMEI |
| 9 | mdsl |
+------+------------+
EXPLAIN select /*+use_merge(xy_x_t xy_y_t)*/ * from xy_x_t where x1 in (select y1 from xy_y_t where y2 < xy_x_t.x2);
@ -708,15 +708,15 @@ select /*+use_merge(xy_x_t xy_y_t)*/ * from xy_x_t where x1 in (select y1 from x
| x1 | x2 |
+------+------------+
| 0 | yzh |
| 2 | think |
| 2 | VZLUW |
| 2 | want |
| 2 | it's |
| 2 | think |
| 2 | want |
| 6 | u |
| 6 | uyslpcybda |
| 9 | QPPLC |
| 9 | mdsl |
| 9 | TBMEI |
| 9 | mdsl |
+------+------------+
EXPLAIN select /*+use_nl(xy_x_t xy_y_t)*/ * from xy_x_t where x1 in (select y1 from xy_y_t where y2 < xy_x_t.x2);
Query Plan
@ -746,14 +746,14 @@ select /*+use_nl(xy_x_t xy_y_t)*/ * from xy_x_t where x1 in (select y1 from xy_y
| x1 | x2 |
+------+------------+
| 0 | yzh |
| 2 | it's |
| 2 | VZLUW |
| 2 | want |
| 2 | it's |
| 2 | think |
| 6 | uyslpcybda |
| 2 | want |
| 6 | u |
| 9 | TBMEI |
| 6 | uyslpcybda |
| 9 | QPPLC |
| 9 | TBMEI |
| 9 | mdsl |
+------+------------+
@ -762,13 +762,12 @@ create table xy_x_t(x1 int not null, x2 varchar(100) not null);
create table xy_y_t(y1 int not null, y2 varchar(100) not null);
insert/*insert trace*/ into xy_x_t values(-2139029504,"eyqjoq"),(-2061369344,"GSUGA"),(-1882128384,"there"),(-1552613376,"d"),(-1511981056,"and"),(-1504706560,"and"),(-1259929600,"o"),(-973340672,"at"),(-918945792,"DNMFW"),(-778960896,"r"),(-753336320,"PKGAE"),(-593821696,"UGSPN"),(-457179136,"got"),(-314638336,"will"),(-233701376,"o"),(-104202240,"SUEUH"),(0,"yzh"),(0,"i"),(1,"TQOYB"),(1,"FFHTJ"),(2,"it's"),(2,"ezcuilyxac"),(2,"VZLUW"),(2,"want"),(2,"think"),(3,"prsazev"),(3,"get"),(3,"out"),(4,"a"),(4,"PVYPZ"),(4,"k"),(4,"bpqswbeyqj"),(4,"isjn"),(4,"that's"),(4,"well"),(5,"arkyz"),(5,"w"),(5,"with"),(5,"just"),(5,"PFBCU"),(6,"uyslpcybda"),(6,"co"),(6,"u"),(6,"j"),(6,"g"),(7,"cybdark"),(7,"BKWPE"),(8,"lmdsl"),(8,"NNIGT"),(8,"of"),(9,"etu"),(9,"TBMEI"),(9,"QPPLC"),(9,"mdsl"),(27262976,"n"),(162267136,"to"),(199884800,"y"),(334364672,"h"),(597295104,"did"),(748814336,"rhljip"),(769916928,"OQKEV"),(839778304,"USTRY"),(947585024,"hey"),(1210777600,"want"),(1232601088,"azev"),(1250689024,"a"),(1329463296,"QAMOL"),(1573126144,"zcuilyx"),(1594753024,"yeah"),(1730215936,"PMUMX"),(1925709824,"g"),(2048262144,"b"),(2082275328,"k"),(2131492864,"was");
insert/*insert trace*/ into xy_y_t values(-1992359936,"not"),(-1711210496,"uoorvy"),(-1150287872,"BKNFS"),(-926613504,"was"),(-858128384,"y"),(-549126144,"v"),(-537198592,"now"),(-491651072,"t"),(-66125824,"here"),(0,"XCYGJ"),(1,"YGHBI"),(2,"g"),(6,"kfuoorvyvn"),(7,"EGBLS"),(9,"jsnsdfm"),(1584463872,"face");
EXPLAIN select /*+use_hash(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 from xy_y_t where y2 < xy_x_t.x2);
Query Plan
=======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------
|0 |HASH RIGHT ANTI JOIN | |69 |22 |
|0 |HASH RIGHT ANTI JOIN | |66 |22 |
|1 |├─TABLE FULL SCAN |xy_y_t|16 |3 |
|2 |└─TABLE FULL SCAN |xy_x_t|74 |6 |
=======================================================
@ -788,48 +787,32 @@ select /*+use_hash(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 fro
+-------------+------------+
| x1 | x2 |
+-------------+------------+
| -2139029504 | eyqjoq |
| -2061369344 | GSUGA |
| -1882128384 | there |
| -1552613376 | d |
| -1511981056 | and |
| -1504706560 | and |
| -1259929600 | o |
| -973340672 | at |
| -918945792 | DNMFW |
| -778960896 | r |
| -753336320 | PKGAE |
| -593821696 | UGSPN |
| -457179136 | got |
| -314638336 | will |
| -233701376 | o |
| -104202240 | SUEUH |
| 0 | i |
| 1 | TQOYB |
| 1 | FFHTJ |
| 1 | TQOYB |
| 2 | ezcuilyxac |
| 3 | prsazev |
| 3 | get |
| 3 | out |
| 4 | a |
| 3 | prsazev |
| 4 | PVYPZ |
| 4 | k |
| 4 | a |
| 4 | bpqswbeyqj |
| 4 | isjn |
| 4 | k |
| 4 | that's |
| 4 | well |
| 5 | PFBCU |
| 5 | arkyz |
| 5 | just |
| 5 | w |
| 5 | with |
| 5 | just |
| 5 | PFBCU |
| 6 | co |
| 6 | j |
| 6 | g |
| 7 | cybdark |
| 6 | j |
| 7 | BKWPE |
| 8 | lmdsl |
| 7 | cybdark |
| 8 | NNIGT |
| 8 | lmdsl |
| 8 | of |
| 9 | etu |
| 27262976 | n |
@ -841,6 +824,15 @@ select /*+use_hash(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 fro
| 769916928 | OQKEV |
| 839778304 | USTRY |
| 947585024 | hey |
| -104202240 | SUEUH |
| -233701376 | o |
| -314638336 | will |
| -457179136 | got |
| -593821696 | UGSPN |
| -753336320 | PKGAE |
| -778960896 | r |
| -918945792 | DNMFW |
| -973340672 | at |
| 1210777600 | want |
| 1232601088 | azev |
| 1250689024 | a |
@ -852,13 +844,20 @@ select /*+use_hash(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 fro
| 2048262144 | b |
| 2082275328 | k |
| 2131492864 | was |
| -1259929600 | o |
| -1504706560 | and |
| -1511981056 | and |
| -1552613376 | d |
| -1882128384 | there |
| -2061369344 | GSUGA |
| -2139029504 | eyqjoq |
+-------------+------------+
EXPLAIN select /*+use_merge(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 from xy_y_t where y2 < xy_x_t.x2);
Query Plan
=====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------
|0 |MERGE ANTI JOIN | |69 |44 |
|0 |MERGE ANTI JOIN | |66 |43 |
|1 |├─SORT | |74 |23 |
|2 |│ └─TABLE FULL SCAN|xy_x_t|74 |6 |
|3 |└─SORT | |16 |6 |
@ -885,48 +884,32 @@ select /*+use_merge(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 fr
+-------------+------------+
| x1 | x2 |
+-------------+------------+
| -2139029504 | eyqjoq |
| -2061369344 | GSUGA |
| -1882128384 | there |
| -1552613376 | d |
| -1511981056 | and |
| -1504706560 | and |
| -1259929600 | o |
| -973340672 | at |
| -918945792 | DNMFW |
| -778960896 | r |
| -753336320 | PKGAE |
| -593821696 | UGSPN |
| -457179136 | got |
| -314638336 | will |
| -233701376 | o |
| -104202240 | SUEUH |
| 0 | i |
| 1 | TQOYB |
| 1 | FFHTJ |
| 1 | TQOYB |
| 2 | ezcuilyxac |
| 3 | get |
| 3 | prsazev |
| 3 | out |
| 3 | prsazev |
| 4 | PVYPZ |
| 4 | k |
| 4 | a |
| 4 | bpqswbeyqj |
| 4 | isjn |
| 4 | k |
| 4 | that's |
| 4 | well |
| 4 | a |
| 5 | with |
| 5 | w |
| 5 | PFBCU |
| 5 | arkyz |
| 5 | just |
| 5 | PFBCU |
| 5 | w |
| 5 | with |
| 6 | co |
| 6 | j |
| 6 | g |
| 7 | cybdark |
| 6 | j |
| 7 | BKWPE |
| 8 | lmdsl |
| 7 | cybdark |
| 8 | NNIGT |
| 8 | lmdsl |
| 8 | of |
| 9 | etu |
| 27262976 | n |
@ -938,6 +921,15 @@ select /*+use_merge(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 fr
| 769916928 | OQKEV |
| 839778304 | USTRY |
| 947585024 | hey |
| -104202240 | SUEUH |
| -233701376 | o |
| -314638336 | will |
| -457179136 | got |
| -593821696 | UGSPN |
| -753336320 | PKGAE |
| -778960896 | r |
| -918945792 | DNMFW |
| -973340672 | at |
| 1210777600 | want |
| 1232601088 | azev |
| 1250689024 | a |
@ -949,13 +941,20 @@ select /*+use_merge(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 fr
| 2048262144 | b |
| 2082275328 | k |
| 2131492864 | was |
| -1259929600 | o |
| -1504706560 | and |
| -1511981056 | and |
| -1552613376 | d |
| -1882128384 | there |
| -2061369344 | GSUGA |
| -2139029504 | eyqjoq |
+-------------+------------+
EXPLAIN select /*+use_nl(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 from xy_y_t where y2 < xy_x_t.x2);
Query Plan
========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------------
|0 |NESTED-LOOP ANTI JOIN | |69 |60 |
|0 |NESTED-LOOP ANTI JOIN | |66 |60 |
|1 |├─TABLE FULL SCAN |xy_x_t|74 |6 |
|2 |└─MATERIAL | |16 |5 |
|3 | └─TABLE FULL SCAN |xy_y_t|16 |3 |
@ -977,48 +976,32 @@ select /*+use_nl(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 from
+-------------+------------+
| x1 | x2 |
+-------------+------------+
| -2139029504 | eyqjoq |
| -2061369344 | GSUGA |
| -1882128384 | there |
| -1552613376 | d |
| -1511981056 | and |
| -1504706560 | and |
| -1259929600 | o |
| -973340672 | at |
| -918945792 | DNMFW |
| -778960896 | r |
| -753336320 | PKGAE |
| -593821696 | UGSPN |
| -457179136 | got |
| -314638336 | will |
| -233701376 | o |
| -104202240 | SUEUH |
| 0 | i |
| 1 | TQOYB |
| 1 | FFHTJ |
| 1 | TQOYB |
| 2 | ezcuilyxac |
| 3 | prsazev |
| 3 | get |
| 3 | out |
| 4 | a |
| 3 | prsazev |
| 4 | PVYPZ |
| 4 | k |
| 4 | a |
| 4 | bpqswbeyqj |
| 4 | isjn |
| 4 | k |
| 4 | that's |
| 4 | well |
| 5 | PFBCU |
| 5 | arkyz |
| 5 | just |
| 5 | w |
| 5 | with |
| 5 | just |
| 5 | PFBCU |
| 6 | co |
| 6 | j |
| 6 | g |
| 7 | cybdark |
| 6 | j |
| 7 | BKWPE |
| 8 | lmdsl |
| 7 | cybdark |
| 8 | NNIGT |
| 8 | lmdsl |
| 8 | of |
| 9 | etu |
| 27262976 | n |
@ -1030,6 +1013,15 @@ select /*+use_nl(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 from
| 769916928 | OQKEV |
| 839778304 | USTRY |
| 947585024 | hey |
| -104202240 | SUEUH |
| -233701376 | o |
| -314638336 | will |
| -457179136 | got |
| -593821696 | UGSPN |
| -753336320 | PKGAE |
| -778960896 | r |
| -918945792 | DNMFW |
| -973340672 | at |
| 1210777600 | want |
| 1232601088 | azev |
| 1250689024 | a |
@ -1041,6 +1033,13 @@ select /*+use_nl(xy_x_t xy_y_t)*/ * from xy_x_t where x1 not in (select y1 from
| 2048262144 | b |
| 2082275328 | k |
| 2131492864 | was |
| -1259929600 | o |
| -1504706560 | and |
| -1511981056 | and |
| -1552613376 | d |
| -1882128384 | there |
| -2061369344 | GSUGA |
| -2139029504 | eyqjoq |
+-------------+------------+
drop table xy_x_t, xy_y_t;
@ -1064,7 +1063,7 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |HASH RIGHT SEMI JOIN | |10 |22 |
|0 |HASH RIGHT SEMI JOIN | |51 |23 |
|1 |├─TABLE FULL SCAN |xy_t2|8 |2 |
|2 |└─TABLE FULL SCAN |xy_t1|116 |9 |
======================================================
@ -1134,7 +1133,7 @@ Query Plan
=======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------
|0 |NESTED-LOOP SEMI JOIN | |10 |22 |
|0 |NESTED-LOOP SEMI JOIN | |51 |23 |
|1 |├─TABLE FULL SCAN |xy_t1|116 |9 |
|2 |└─MATERIAL | |8 |3 |
|3 | └─TABLE FULL SCAN |xy_t2|8 |2 |
@ -1206,7 +1205,7 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |HASH RIGHT SEMI JOIN | |10 |22 |
|0 |HASH RIGHT SEMI JOIN | |51 |23 |
|1 |├─TABLE FULL SCAN |xy_t2|8 |2 |
|2 |└─TABLE FULL SCAN |xy_t1|116 |9 |
======================================================
@ -1276,7 +1275,7 @@ Query Plan
====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------
|0 |MERGE SEMI JOIN | |10 |36 |
|0 |MERGE SEMI JOIN | |51 |38 |
|1 |├─SORT | |116 |25 |
|2 |│ └─TABLE FULL SCAN|xy_t1|116 |9 |
|3 |└─SORT | |8 |3 |
@ -1318,35 +1317,35 @@ select /*+ use_merge(xy_t1 xy_t2)*/ * from xy_t1 where exists (select 1 from xy_
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 7 |
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 7 |
| 5 | 5 |
| 5 | 5 |
| 5 | 7 |
| 5 | 7 |
| 6 | NULL |
| 6 | 7 |
| 5 | 7 |
| 5 | 7 |
| 6 | 6 |
| 6 | 6 |
| 6 | 6 |
| 6 | 6 |
| 6 | 7 |
| 6 | 6 |
| 6 | NULL |
| 6 | 7 |
| 6 | 6 |
| 6 | NULL |
| 6 | 7 |
| 6 | 6 |
| 6 | 7 |
| 6 | NULL |
| 9 | 7 |
| 6 | NULL |
| 6 | NULL |
| 6 | NULL |
| 9 | 0 |
| 9 | 0 |
| 9 | 0 |
| 9 | 0 |
| 9 | 7 |
| 9 | 0 |
| 9 | 7 |
| 9 | 0 |
| 9 | 7 |
| 9 | 0 |
| 9 | 7 |
+------+------+
EXPLAIN select /*+ no_rewrite */ * from xy_t1 where exists (select 1 from xy_t2 where xy_t2.c1 = xy_t1.c1);
Query Plan
@ -1374,49 +1373,49 @@ select /*+ no_rewrite */ * from xy_t1 where exists (select 1 from xy_t2 where xy
| c1 | c2 |
+------+------+
| 1 | 1 |
| 1 | 1 |
| 1 | 1 |
| 1 | 1 |
| 1 | 1 |
| 1 | 1 |
| 1 | 1 |
| 1 | 1 |
| 3 | 3 |
| 3 | 3 |
| 3 | 3 |
| 3 | 3 |
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 5 |
| 5 | 7 |
| 6 | 7 |
| 6 | 6 |
| 6 | NULL |
| 9 | 0 |
| 9 | 7 |
| 1 | 1 |
| 3 | 3 |
| 1 | 1 |
| 5 | 5 |
| 5 | 5 |
| 5 | 7 |
| 6 | 7 |
| 6 | 6 |
| 6 | NULL |
| 9 | 0 |
| 9 | 7 |
| 1 | 1 |
| 3 | 3 |
| 1 | 1 |
| 5 | 5 |
| 5 | 5 |
| 5 | 7 |
| 6 | 7 |
| 6 | 6 |
| 6 | NULL |
| 9 | 0 |
| 9 | 7 |
| 1 | 1 |
| 3 | 3 |
| 1 | 1 |
| 5 | 5 |
| 5 | 5 |
| 5 | 7 |
| 6 | 7 |
| 6 | 6 |
| 6 | 6 |
| 6 | 6 |
| 6 | 6 |
| 6 | 7 |
| 6 | 7 |
| 6 | 7 |
| 6 | 7 |
| 6 | NULL |
| 6 | NULL |
| 6 | NULL |
| 6 | NULL |
| 9 | 0 |
| 9 | 0 |
| 9 | 0 |
| 9 | 0 |
| 9 | 7 |
| 9 | 7 |
| 9 | 7 |
| 9 | 7 |
| 1 | 1 |
| 3 | 3 |
+------+------+
@ -1426,7 +1425,7 @@ Query Plan
==================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------
|0 |HASH SEMI JOIN | |8 |20 |
|0 |HASH SEMI JOIN | |7 |20 |
|1 |├─TABLE FULL SCAN|xy_t2|8 |3 |
|2 |└─TABLE FULL SCAN|xy_t1|116 |6 |
==================================================
@ -1459,7 +1458,7 @@ Query Plan
=======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------
|0 |NESTED-LOOP SEMI JOIN | |8 |23 |
|0 |NESTED-LOOP SEMI JOIN | |7 |23 |
|1 |├─TABLE FULL SCAN |xy_t2|8 |3 |
|2 |└─MATERIAL | |116 |10 |
|3 | └─TABLE FULL SCAN |xy_t1|116 |6 |
@ -1494,7 +1493,7 @@ Query Plan
==================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------
|0 |HASH SEMI JOIN | |8 |20 |
|0 |HASH SEMI JOIN | |7 |20 |
|1 |├─TABLE FULL SCAN|xy_t2|8 |3 |
|2 |└─TABLE FULL SCAN|xy_t1|116 |6 |
==================================================
@ -1527,7 +1526,7 @@ Query Plan
====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------
|0 |MERGE SEMI JOIN | |8 |23 |
|0 |MERGE SEMI JOIN | |7 |23 |
|1 |├─SORT | |8 |3 |
|2 |│ └─TABLE FULL SCAN|xy_t2|8 |3 |
|3 |└─SORT | |116 |19 |
@ -1824,7 +1823,7 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |HASH RIGHT ANTI JOIN | |107 |25 |
|0 |HASH RIGHT ANTI JOIN | |66 |24 |
|1 |├─TABLE FULL SCAN |xy_t2|8 |2 |
|2 |└─TABLE FULL SCAN |xy_t1|116 |9 |
======================================================
@ -1922,7 +1921,7 @@ Query Plan
=======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------
|0 |NESTED-LOOP ANTI JOIN | |107 |22 |
|0 |NESTED-LOOP ANTI JOIN | |66 |23 |
|1 |├─TABLE FULL SCAN |xy_t1|116 |9 |
|2 |└─MATERIAL | |8 |3 |
|3 | └─TABLE FULL SCAN |xy_t2|8 |2 |
@ -2022,7 +2021,7 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |HASH RIGHT ANTI JOIN | |107 |25 |
|0 |HASH RIGHT ANTI JOIN | |66 |24 |
|1 |├─TABLE FULL SCAN |xy_t2|8 |2 |
|2 |└─TABLE FULL SCAN |xy_t1|116 |9 |
======================================================
@ -2120,7 +2119,7 @@ Query Plan
====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------
|0 |MERGE ANTI JOIN | |107 |39 |
|0 |MERGE ANTI JOIN | |66 |38 |
|1 |├─SORT | |116 |25 |
|2 |│ └─TABLE FULL SCAN|xy_t1|116 |9 |
|3 |└─SORT | |8 |3 |
@ -2147,42 +2146,38 @@ select /*+ use_merge(xy_t1 xy_t2)*/ * from xy_t1 where not exists (select 1 from
+------+------+
| c1 | c2 |
+------+------+
| NULL | 1 |
| NULL | 1 |
| NULL | 1 |
| NULL | 1 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 2 | NULL |
| 2 | 2 |
| 2 | 2 |
| 2 | 2 |
| 2 | 2 |
| 2 | NULL |
| 2 | 2 |
| 2 | NULL |
| 2 | NULL |
| 2 | NULL |
| 7 | 0 |
| 7 | 0 |
| 7 | 7 |
| 7 | 0 |
| 7 | 7 |
| 7 | 0 |
| 7 | 7 |
| 7 | 7 |
| 8 | 8 |
| 8 | 5 |
| 7 | 7 |
| 7 | 7 |
| 8 | 0 |
| 8 | 8 |
| 8 | 5 |
| 8 | 0 |
| 8 | 8 |
| 8 | 5 |
| 8 | 0 |
| 8 | 8 |
| 8 | 5 |
| 8 | 0 |
| 8 | 5 |
| 8 | 5 |
| 8 | 5 |
| 8 | 5 |
| 8 | 8 |
| 8 | 8 |
| 8 | 8 |
| 8 | 8 |
| 10 | 10 |
| 10 | 10 |
| 10 | 10 |
@ -2219,6 +2214,10 @@ select /*+ use_merge(xy_t1 xy_t2)*/ * from xy_t1 where not exists (select 1 from
| 20 | 1 |
| 20 | 1 |
| 20 | 1 |
| NULL | 1 |
| NULL | 1 |
| NULL | 1 |
| NULL | 1 |
+------+------+
EXPLAIN select /*+ no_rewrite */ * from xy_t1 where not exists (select 1 from xy_t2 where xy_t2.c1 = xy_t1.c1);
Query Plan
@ -2676,10 +2675,10 @@ Query Plan
==========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------------
|0 |SCALAR GROUP BY | |1 |27 |
|1 |└─HASH RIGHT SEMI JOIN | |10 |27 |
|0 |SCALAR GROUP BY | |1 |34 |
|1 |└─HASH RIGHT SEMI JOIN | |51 |33 |
|2 | ├─TABLE FULL SCAN |xy_t3|12 |3 |
|3 | └─HASH RIGHT SEMI JOIN | |10 |22 |
|3 | └─HASH RIGHT SEMI JOIN | |51 |23 |
|4 | ├─TABLE FULL SCAN |xy_t2|8 |2 |
|5 | └─TABLE FULL SCAN |xy_t1|116 |9 |
==========================================================
@ -2714,10 +2713,10 @@ Query Plan
==========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------------
|0 |SCALAR GROUP BY | |1 |27 |
|1 |└─HASH RIGHT SEMI JOIN | |10 |27 |
|0 |SCALAR GROUP BY | |1 |34 |
|1 |└─HASH RIGHT SEMI JOIN | |51 |33 |
|2 | ├─TABLE FULL SCAN |xy_t3|12 |3 |
|3 | └─HASH RIGHT SEMI JOIN | |10 |22 |
|3 | └─HASH RIGHT SEMI JOIN | |51 |23 |
|4 | ├─TABLE FULL SCAN |xy_t2|8 |2 |
|5 | └─TABLE FULL SCAN |xy_t1|116 |9 |
==========================================================
@ -2789,35 +2788,35 @@ Query Plan
==============================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------------------
|0 |SCALAR GROUP BY | |1 |22 |
|1 |└─MERGE ANTI JOIN | |9 |22 |
|2 | ├─MERGE SEMI JOIN | |10 |19 |
|0 |SCALAR GROUP BY | |1 |25 |
|1 |└─MERGE SEMI JOIN | |20 |25 |
|2 | ├─MERGE ANTI JOIN | |32 |20 |
|3 | │ ├─TABLE FULL SCAN|xy_t1(idx_c2)|116 |9 |
|4 | │ └─TABLE FULL SCAN|xy_t2(idx_c2)|8 |2 |
|5 | └─TABLE FULL SCAN |xy_t3(idx_c2)|12 |3 |
|4 | │ └─TABLE FULL SCAN|xy_t3(idx_c2)|12 |3 |
|5 | └─TABLE FULL SCAN |xy_t2(idx_c2)|8 |2 |
==============================================================
Outputs & filters:
-------------------------------------
0 - output([T_FUN_SUM(xy_t1.c1)], [T_FUN_SUM(xy_t1.c2)]), filter(nil), rowset=256
group(nil), agg_func([T_FUN_SUM(xy_t1.c1)], [T_FUN_SUM(xy_t1.c2)])
1 - output([xy_t1.c2], [xy_t1.c1]), filter(nil), rowset=256
equal_conds([xy_t3.c2 = xy_t1.c2]), other_conds(nil)
equal_conds([xy_t2.c2 = xy_t1.c2]), other_conds(nil)
merge_directions([ASC])
2 - output([xy_t1.c2], [xy_t1.c1]), filter(nil), rowset=256
equal_conds([xy_t2.c2 = xy_t1.c2]), other_conds(nil)
equal_conds([xy_t3.c2 = xy_t1.c2]), other_conds(nil)
merge_directions([ASC])
3 - output([xy_t1.c2], [xy_t1.c1]), filter(nil), rowset=256
access([xy_t1.c2], [xy_t1.c1]), partitions(p0)
is_index_back=false, is_global_index=false,
range_key([xy_t1.c2], [xy_t1.c1], [xy_t1.__pk_increment]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
4 - output([xy_t2.c2]), filter(nil), rowset=256
access([xy_t2.c2]), partitions(p0)
is_index_back=false, is_global_index=false,
range_key([xy_t2.c2], [xy_t2.c1], [xy_t2.__pk_increment]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
5 - output([xy_t3.c2]), filter(nil), rowset=256
4 - output([xy_t3.c2]), filter(nil), rowset=256
access([xy_t3.c2]), partitions(p0)
is_index_back=false, is_global_index=false,
range_key([xy_t3.c2], [xy_t3.c1], [xy_t3.__pk_increment]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
5 - output([xy_t2.c2]), filter(nil), rowset=256
access([xy_t2.c2]), partitions(p0)
is_index_back=false, is_global_index=false,
range_key([xy_t2.c2], [xy_t2.c1], [xy_t2.__pk_increment]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
select sum(c1), sum(c2) from xy_t1 where not exists (select 1 from xy_t3 where c2 = xy_t1.c2) and exists (select 1 from xy_t2 where c2 = xy_t1.c2);
+---------+---------+
| sum(c1) | sum(c2) |
@ -2829,11 +2828,11 @@ Query Plan
=========================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------------------------
|0 |SCALAR GROUP BY | |1 |4176 |
|1 |└─SUBPLAN FILTER | |29 |4175 |
|0 |SCALAR GROUP BY | |1 |4180 |
|1 |└─SUBPLAN FILTER | |29 |4179 |
|2 | ├─TABLE FULL SCAN |xy_t1 |116 |9 |
|3 | ├─DISTRIBUTED TABLE RANGE SCAN|xy_t3(idx_c2)|1 |18 |
|4 | └─DISTRIBUTED TABLE RANGE SCAN|xy_t2(idx_c2)|1 |18 |
|3 | ├─DISTRIBUTED TABLE RANGE SCAN|xy_t3(idx_c2)|2 |18 |
|4 | └─DISTRIBUTED TABLE RANGE SCAN|xy_t2(idx_c2)|2 |18 |
=========================================================================
Outputs & filters:
-------------------------------------
@ -2869,7 +2868,7 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |HASH RIGHT SEMI JOIN | |10 |22 |
|0 |HASH RIGHT SEMI JOIN | |51 |23 |
|1 |├─TABLE FULL SCAN |xy_t2|8 |2 |
|2 |└─TABLE FULL SCAN |xy_t1|116 |9 |
======================================================
@ -2939,10 +2938,10 @@ Query Plan
========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------------
|0 |LIMIT | |3 |11 |
|1 |└─HASH RIGHT SEMI JOIN | |3 |11 |
|0 |LIMIT | |3 |7 |
|1 |└─HASH RIGHT SEMI JOIN | |3 |7 |
|2 | ├─TABLE FULL SCAN |xy_t2|8 |2 |
|3 | └─TABLE FULL SCAN |xy_t1|38 |4 |
|3 | └─TABLE FULL SCAN |xy_t1|7 |3 |
========================================================
Outputs & filters:
-------------------------------------
@ -2971,8 +2970,8 @@ Query Plan
========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------------
|0 |LIMIT | |10 |22 |
|1 |└─HASH RIGHT SEMI JOIN | |10 |22 |
|0 |LIMIT | |51 |23 |
|1 |└─HASH RIGHT SEMI JOIN | |51 |23 |
|2 | ├─TABLE FULL SCAN |xy_t2|8 |2 |
|3 | └─TABLE FULL SCAN |xy_t1|116 |9 |
========================================================
@ -3047,7 +3046,7 @@ Query Plan
==================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------
|0 |HASH SEMI JOIN | |8 |20 |
|0 |HASH SEMI JOIN | |7 |20 |
|1 |├─TABLE FULL SCAN|xy_t2|8 |3 |
|2 |└─TABLE FULL SCAN|xy_t1|116 |6 |
==================================================
@ -3112,8 +3111,8 @@ Query Plan
====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------
|0 |LIMIT | |8 |20 |
|1 |└─HASH SEMI JOIN | |8 |20 |
|0 |LIMIT | |7 |20 |
|1 |└─HASH SEMI JOIN | |7 |20 |
|2 | ├─TABLE FULL SCAN|xy_t2|8 |3 |
|3 | └─TABLE FULL SCAN|xy_t1|116 |6 |
====================================================
@ -3151,7 +3150,7 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |HASH RIGHT ANTI JOIN | |107 |25 |
|0 |HASH RIGHT ANTI JOIN | |66 |24 |
|1 |├─TABLE FULL SCAN |xy_t2|8 |2 |
|2 |└─TABLE FULL SCAN |xy_t1|116 |9 |
======================================================
@ -3252,7 +3251,7 @@ Query Plan
|0 |LIMIT | |3 |6 |
|1 |└─HASH RIGHT ANTI JOIN | |3 |6 |
|2 | ├─TABLE FULL SCAN |xy_t2|8 |2 |
|3 | └─TABLE FULL SCAN |xy_t1|4 |2 |
|3 | └─TABLE FULL SCAN |xy_t1|6 |2 |
========================================================
Outputs & filters:
-------------------------------------
@ -3281,8 +3280,8 @@ Query Plan
========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------------
|0 |LIMIT | |107 |25 |
|1 |└─HASH RIGHT ANTI JOIN | |107 |25 |
|0 |LIMIT | |66 |24 |
|1 |└─HASH RIGHT ANTI JOIN | |66 |24 |
|2 | ├─TABLE FULL SCAN |xy_t2|8 |2 |
|3 | └─TABLE FULL SCAN |xy_t1|116 |9 |
========================================================
@ -4386,8 +4385,8 @@ Query Plan
========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------------
|0 |SORT | |3 |6 |
|1 |└─HASH RIGHT ANTI JOIN | |3 |6 |
|0 |SORT | |2 |6 |
|1 |└─HASH RIGHT ANTI JOIN | |2 |6 |
|2 | ├─SUBPLAN SCAN |VIEW1|3 |3 |
|3 | │ └─TABLE FULL SCAN |xy_t1|3 |3 |
|4 | └─TABLE FULL SCAN |xy_t2|5 |2 |
@ -4423,8 +4422,8 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |SORT | |3 |6 |
|1 |└─HASH ANTI JOIN | |3 |6 |
|0 |SORT | |2 |6 |
|1 |└─HASH ANTI JOIN | |2 |6 |
|2 | ├─TABLE FULL SCAN |xy_t2|5 |2 |
|3 | └─SUBPLAN SCAN |VIEW1|3 |3 |
|4 | └─TABLE FULL SCAN|xy_t1|3 |3 |
@ -4460,8 +4459,8 @@ Query Plan
======================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
------------------------------------------------------
|0 |SORT | |3 |6 |
|1 |└─HASH ANTI JOIN | |3 |6 |
|0 |SORT | |2 |6 |
|1 |└─HASH ANTI JOIN | |2 |6 |
|2 | ├─TABLE FULL SCAN |xy_t2|5 |2 |
|3 | └─SUBPLAN SCAN |VIEW1|3 |3 |
|4 | └─TABLE FULL SCAN|xy_t1|3 |3 |

538
tools/deploy/mysql_test/test_suite/join/r/mysql/join_merge.result
View File

@ -476,47 +476,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([ASC], [ASC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, ASC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, ASC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
select /*+ use_merge(aa, bb) */ a2, b3 from aa, bb where a2 = b2 and a3 = b3 order by a2, a3 desc;
a2 b3
10 14
@ -527,47 +527,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([ASC], [DESC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, DESC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, DESC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
select /*+ use_merge(aa, bb) */ a2, b3 from aa, bb where a2 = b2 and a3 = b3 order by a2 desc, a3;
a2 b3
12 10
@ -578,47 +578,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([DESC], [ASC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, ASC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, ASC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
select /*+ use_merge(aa, bb) */ a2, b3 from aa, bb where a2 = b2 and a3 = b3 order by a2 desc, a3 desc;
a2 b3
12 10
@ -629,47 +629,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([DESC], [DESC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, DESC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, DESC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
delete from aa;
insert into aa values (1, 10, 15), (2, 10, 14), (3, 10, 12), (4, 11, 13), (5, 12, 12), (6, 12, 10);
delete from bb;
@ -684,47 +684,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([ASC], [ASC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, ASC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, ASC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, ASC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
select /*+ use_merge(aa, bb) */ a2, b3 from aa, bb where a2 = b2 and a3 = b3 order by a2, a3 desc;
a2 b3
10 14
@ -735,47 +735,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([ASC], [DESC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, DESC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, ASC], [bb.b3, DESC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, ASC], [aa.a3, DESC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
select /*+ use_merge(aa, bb) */ a2, b3 from aa, bb where a2 = b2 and a3 = b3 order by a2 desc, a3;
a2 b3
12 10
@ -786,47 +786,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([DESC], [ASC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, ASC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, ASC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, ASC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
select /*+ use_merge(aa, bb) */ a2, b3 from aa, bb where a2 = b2 and a3 = b3 order by a2 desc, a3 desc;
a2 b3
12 10
@ -837,47 +837,47 @@ Query Plan
=================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-----------------------------------------------------------------
|0 |MERGE JOIN | |1 |20 |
|1 |├─PX COORDINATOR MERGE SORT | |1 |10 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|3 |│ └─SORT | |1 |9 |
|4 |│ └─PX PARTITION ITERATOR| |1 |9 |
|5 |│ └─TABLE FULL SCAN |aa |1 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |1 |10 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|8 | └─SORT | |1 |9 |
|9 | └─PX PARTITION ITERATOR| |1 |9 |
|10| └─TABLE FULL SCAN |bb |1 |9 |
|0 |MERGE JOIN | |5 |30 |
|1 |├─PX COORDINATOR MERGE SORT | |5 |15 |
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|5 |13 |
|3 |│ └─SORT | |5 |10 |
|4 |│ └─PX PARTITION ITERATOR| |5 |9 |
|5 |│ └─TABLE FULL SCAN |bb |5 |9 |
|6 |└─PX COORDINATOR MERGE SORT | |6 |16 |
|7 | └─EXCHANGE OUT DISTR |:EX20000|6 |14 |
|8 | └─SORT | |6 |10 |
|9 | └─PX PARTITION ITERATOR| |6 |9 |
|10| └─TABLE FULL SCAN |aa |6 |9 |
=================================================================
Outputs & filters:
-------------------------------------
0 - output([aa.a2], [bb.b3]), filter(nil), rowset=256
equal_conds([aa.a2 = bb.b2], [aa.a3 = bb.b3]), other_conds(nil)
merge_directions([DESC], [DESC])
1 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
2 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
3 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
4 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
5 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
6 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
1 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, DESC])
7 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
2 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
dop=1
8 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
3 - output([bb.b3], [bb.b2]), filter(nil), rowset=256
sort_keys([bb.b2, DESC], [bb.b3, DESC])
9 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
4 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
force partition granule
10 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
5 - output([bb.b2], [bb.b3]), filter(nil), rowset=256
access([bb.b2], [bb.b3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([bb.__pk_increment]), range(MIN ; MAX)always true
6 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
7 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
dop=1
8 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
sort_keys([aa.a2, DESC], [aa.a3, DESC])
9 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
force partition granule
10 - output([aa.a2], [aa.a3]), filter(nil), rowset=256
access([aa.a2], [aa.a3]), partitions(p[0-4])
is_index_back=false, is_global_index=false,
range_key([aa.__pk_increment]), range(MIN ; MAX)always true
delete from cc;
insert into cc values (1, 10, 15), (2, 10, 14), (3, 10, 12), (4, 12, 10);
select /*+ leading(aa bb cc) use_merge(aa, bb, cc) */ c2, a3 from aa, bb, cc where a2 = b2 and a3 = b3 and b2 = c2 and b3 = c3 order by c2, c3 desc;
@ -889,23 +889,23 @@ Query Plan
===================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------------------
|0 |MERGE JOIN | |1 |29 |
|1 |├─MERGE JOIN | |1 |20 |
|2 |│ ├─PX COORDINATOR MERGE SORT | |1 |10 |
|3 |│ │ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|4 |│ │ └─SORT | |1 |9 |
|5 |│ │ └─PX PARTITION ITERATOR| |1 |9 |
|6 |│ │ └─TABLE FULL SCAN |aa |1 |9 |
|7 |│ └─PX COORDINATOR MERGE SORT | |1 |10 |
|8 |│ └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|9 |│ └─SORT | |1 |9 |
|10|│ └─PX PARTITION ITERATOR| |1 |9 |
|11|│ └─TABLE FULL SCAN |bb |1 |9 |
|12|└─PX COORDINATOR MERGE SORT | |1 |10 |
|13| └─EXCHANGE OUT DISTR |:EX30000|1 |10 |
|14| └─SORT | |1 |9 |
|15| └─PX PARTITION ITERATOR | |1 |9 |
|16| └─TABLE FULL SCAN |cc |1 |9 |
|0 |MERGE JOIN | |4 |44 |
|1 |├─MERGE JOIN | |5 |30 |
|2 |│ ├─PX COORDINATOR MERGE SORT | |6 |16 |
|3 |│ │ └─EXCHANGE OUT DISTR |:EX10000|6 |14 |
|4 |│ │ └─SORT | |6 |10 |
|5 |│ │ └─PX PARTITION ITERATOR| |6 |9 |
|6 |│ │ └─TABLE FULL SCAN |aa |6 |9 |
|7 |│ └─PX COORDINATOR MERGE SORT | |5 |15 |
|8 |│ └─EXCHANGE OUT DISTR |:EX20000|5 |13 |
|9 |│ └─SORT | |5 |10 |
|10|│ └─PX PARTITION ITERATOR| |5 |9 |
|11|│ └─TABLE FULL SCAN |bb |5 |9 |
|12|└─PX COORDINATOR MERGE SORT | |4 |13 |
|13| └─EXCHANGE OUT DISTR |:EX30000|4 |12 |
|14| └─SORT | |4 |9 |
|15| └─PX PARTITION ITERATOR | |4 |9 |
|16| └─TABLE FULL SCAN |cc |4 |9 |
===================================================================
Outputs & filters:
-------------------------------------
@ -960,23 +960,23 @@ Query Plan
===================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
-------------------------------------------------------------------
|0 |MERGE JOIN | |1 |29 |
|1 |├─MERGE JOIN | |1 |20 |
|2 |│ ├─PX COORDINATOR MERGE SORT | |1 |10 |
|3 |│ │ └─EXCHANGE OUT DISTR |:EX10000|1 |10 |
|4 |│ │ └─SORT | |1 |9 |
|5 |│ │ └─PX PARTITION ITERATOR| |1 |9 |
|6 |│ │ └─TABLE FULL SCAN |aa |1 |9 |
|7 |│ └─PX COORDINATOR MERGE SORT | |1 |10 |
|8 |│ └─EXCHANGE OUT DISTR |:EX20000|1 |10 |
|9 |│ └─SORT | |1 |9 |
|10|│ └─PX PARTITION ITERATOR| |1 |9 |
|11|│ └─TABLE FULL SCAN |bb |1 |9 |
|12|└─PX COORDINATOR MERGE SORT | |1 |10 |
|13| └─EXCHANGE OUT DISTR |:EX30000|1 |10 |
|14| └─SORT | |1 |9 |
|15| └─PX PARTITION ITERATOR | |1 |9 |
|16| └─TABLE FULL SCAN |cc |1 |9 |
|0 |MERGE JOIN | |4 |44 |
|1 |├─MERGE JOIN | |5 |30 |
|2 |│ ├─PX COORDINATOR MERGE SORT | |6 |16 |
|3 |│ │ └─EXCHANGE OUT DISTR |:EX10000|6 |14 |
|4 |│ │ └─SORT | |6 |10 |
|5 |│ │ └─PX PARTITION ITERATOR| |6 |9 |
|6 |│ │ └─TABLE FULL SCAN |aa |6 |9 |
|7 |│ └─PX COORDINATOR MERGE SORT | |5 |15 |
|8 |│ └─EXCHANGE OUT DISTR |:EX20000|5 |13 |
|9 |│ └─SORT | |5 |10 |
|10|│ └─PX PARTITION ITERATOR| |5 |9 |
|11|│ └─TABLE FULL SCAN |bb |5 |9 |
|12|└─PX COORDINATOR MERGE SORT | |4 |13 |
|13| └─EXCHANGE OUT DISTR |:EX30000|4 |12 |
|14| └─SORT | |4 |9 |
|15| └─PX PARTITION ITERATOR | |4 |9 |
|16| └─TABLE FULL SCAN |cc |4 |9 |
===================================================================
Outputs & filters:
-------------------------------------
@ -1215,12 +1215,12 @@ Query Plan
==============================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
--------------------------------------------------------------
|0 |PX COORDINATOR MERGE SORT | |1 |15 |
|1 |└─EXCHANGE OUT DISTR |:EX10000|1 |15 |
|2 | └─PX PARTITION ITERATOR | |1 |14 |
|3 | └─MERGE JOIN | |1 |14 |
|4 | ├─TABLE FULL SCAN |t1 |1 |7 |
|5 | └─TABLE FULL SCAN |t2 |1 |7 |
|0 |PX COORDINATOR MERGE SORT | |20 |36 |
|1 |└─EXCHANGE OUT DISTR |:EX10000|20 |30 |
|2 | └─PX PARTITION ITERATOR | |20 |17 |
|3 | └─MERGE JOIN | |20 |17 |
|4 | ├─TABLE FULL SCAN |t1 |20 |8 |
|5 | └─TABLE FULL SCAN |t2 |20 |8 |
==============================================================
Outputs & filters:
-------------------------------------
@ -1526,7 +1526,7 @@ Query Plan
==========================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------------
|0 |MERGE RIGHT OUTER JOIN | |7 |5 |
|0 |MERGE RIGHT OUTER JOIN | |14 |5 |
|1 |├─TABLE FULL SCAN |t8(idx)|6 |3 |
|2 |└─TABLE FULL SCAN |t9(idx)|7 |3 |
==========================================================
@ -1700,7 +1700,7 @@ Query Plan
====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------
|0 |MERGE JOIN | |6 |6 |
|0 |MERGE JOIN | |7 |6 |
|1 |├─TABLE FULL SCAN|t8(idx)|6 |3 |
|2 |└─TABLE FULL SCAN|t9(idx)|7 |3 |
====================================================
@ -1761,7 +1761,7 @@ Query Plan
====================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
----------------------------------------------------
|0 |MERGE OUTER JOIN | |6 |6 |
|0 |MERGE OUTER JOIN | |7 |6 |
|1 |├─TABLE FULL SCAN|t8(idx)|6 |3 |
|2 |└─TABLE FULL SCAN|t9(idx)|7 |3 |
====================================================
@ -1971,8 +1971,8 @@ Query Plan
=====================================================================
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
---------------------------------------------------------------------
|0 |SORT | |28 |18 |
|1 |└─MERGE JOIN | |28 |15 |
|0 |SORT | |21 |17 |
|1 |└─MERGE JOIN | |21 |14 |
|2 | ├─TABLE FULL SCAN |table1 |28 |4 |
|3 | └─SORT | |29 |7 |
|4 | └─TABLE FULL SCAN|table2(idx1,Reverse)|29 |4 |