mark some file to been opensource for ce-farm
This commit is contained in:
niyuhang
169
tools/deploy/mysql_test/test_suite/px/r/mysql/agg.result
Normal file
169
tools/deploy/mysql_test/test_suite/px/r/mysql/agg.result
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@ -0,0 +1,169 @@
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set ob_query_timeout=1000000000;
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drop database if exists px_test;
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create database px_test;
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use px_test;
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create table stu (
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sid int,
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name varchar(32),
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cls int,
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primary key (cls, sid)
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) partition by hash(sid) partitions 6;
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create table teacher (
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tid int,
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name varchar(32),
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subject varchar(4),
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primary key (tid)
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) partition by hash(tid) partitions 8;
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create table score (
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sid int,
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subject varchar(4),
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score int,
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primary key (sid, subject)
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) partition by hash(sid) partitions 6;
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insert into stu values
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(11, 'a1', 1),
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(12, 'b1', 1),
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(13, 'c1', 1),
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(21, 'a2', 2),
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(22, 'b2', 2),
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(31, 'a3', 3),
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(41, 'a4', 4),
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(42, 'b4', 4),
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(51, 'a5', 5),
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(52, 'b5', 5),
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(61, 'a6', 6),
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(62, 'b6', 6),
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(63, 'c6', 6),
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(64, 'd6', 6);
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insert into teacher values
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(1, 'Miss Zhang', 'EN'),
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(2, 'Mr Wang', 'MA');
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insert into score values
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(11, 'EN', 60),
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(12, 'EN', 70),
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(13, 'EN', 80),
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(21, 'EN', 58),
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(22, 'EN', 90),
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(31, 'EN', 80),
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(41, 'EN', 80),
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(42, 'EN', 90),
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(51, 'EN', 89),
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(52, 'EN', 99),
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(61, 'EN', 100),
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(62, 'EN', 90),
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(63, 'EN', 99),
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(64, 'EN', 87);
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insert into score values
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(11, 'MA', 60),
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(12, 'MA', 70),
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(13, 'MA', 80),
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(21, 'MA', 58),
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(22, 'MA', 90),
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(31, 'MA', 80),
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(41, 'MA', 80),
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(42, 'MA', 90),
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(51, 'MA', 89),
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(52, 'MA', 99),
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(61, 'MA', 100),
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(62, 'MA', 90),
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(63, 'MA', 99),
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(64, 'MA', 87);
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explain select /*+ USE_PX parallel(2) */ subject, avg(score), max(score), min(score) from score group by subject;
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Query Plan
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=====================================================================
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|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
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---------------------------------------------------------------------
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|0 |PX COORDINATOR | |2 |20 |
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|1 |└─EXCHANGE OUT DISTR |:EX10001|2 |18 |
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|2 | └─HASH GROUP BY | |2 |16 |
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|3 | └─EXCHANGE IN DISTR | |4 |15 |
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|4 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|4 |14 |
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|5 | └─HASH GROUP BY | |4 |10 |
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|6 | └─PX BLOCK ITERATOR | |28 |8 |
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|7 | └─TABLE FULL SCAN |score |28 |8 |
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=====================================================================
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Outputs & filters:
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-------------------------------------
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0 - output([INTERNAL_FUNCTION(score.subject, cast(cast(T_FUN_SUM(T_FUN_SUM(score.score)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(score.score)),
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DECIMAL(20, 0)), DECIMAL(15, 4)), T_FUN_MAX(T_FUN_MAX(score.score)), T_FUN_MIN(T_FUN_MIN(score.score)))]), filter(nil), rowset=256
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1 - output([INTERNAL_FUNCTION(score.subject, cast(cast(T_FUN_SUM(T_FUN_SUM(score.score)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(score.score)),
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DECIMAL(20, 0)), DECIMAL(15, 4)), T_FUN_MAX(T_FUN_MAX(score.score)), T_FUN_MIN(T_FUN_MIN(score.score)))]), filter(nil), rowset=256
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dop=2
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2 - output([score.subject], [T_FUN_MAX(T_FUN_MAX(score.score))], [T_FUN_MIN(T_FUN_MIN(score.score))], [T_FUN_SUM(T_FUN_SUM(score.score))], [T_FUN_COUNT_SUM(T_FUN_COUNT(score.score))]), filter(nil), rowset=256
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group([score.subject]), agg_func([T_FUN_MAX(T_FUN_MAX(score.score))], [T_FUN_MIN(T_FUN_MIN(score.score))], [T_FUN_SUM(T_FUN_SUM(score.score))], [T_FUN_COUNT_SUM(T_FUN_COUNT(score.score))])
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3 - output([score.subject], [T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
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4 - output([score.subject], [T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
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(#keys=1, [score.subject]), dop=2
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5 - output([score.subject], [T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
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group([score.subject]), agg_func([T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)])
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6 - output([score.subject], [score.score]), filter(nil), rowset=256
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7 - output([score.subject], [score.score]), filter(nil), rowset=256
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access([score.subject], [score.score]), partitions(p[0-5])
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is_index_back=false, is_global_index=false,
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range_key([score.sid], [score.subject]), range(MIN,MIN ; MAX,MAX)always true
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select /*+ USE_PX parallel(2) */ subject, avg(score), max(score), min(score) from score group by subject;
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subject avg(score) max(score) min(score)
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EN 83.7143 100 58
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MA 83.7143 100 58
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explain select /*+ USE_PX parallel(2) */ cls, subject, avg(score), max(score), min(score) from score join stu using (sid) group by cls, subject;
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Query Plan
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=====================================================================
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|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
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---------------------------------------------------------------------
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|0 |PX COORDINATOR | |9 |66 |
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|1 |└─EXCHANGE OUT DISTR |:EX10001|9 |57 |
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|2 | └─HASH GROUP BY | |9 |48 |
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|3 | └─EXCHANGE IN DISTR | |16 |45 |
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|4 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|16 |37 |
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|5 | └─HASH GROUP BY | |16 |20 |
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|6 | └─PX PARTITION ITERATOR| |28 |16 |
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|7 | └─MERGE JOIN | |28 |16 |
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|8 | ├─TABLE FULL SCAN |score |28 |8 |
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|9 | └─SORT | |14 |8 |
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|10| └─TABLE FULL SCAN|stu |14 |7 |
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=====================================================================
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Outputs & filters:
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-------------------------------------
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0 - output([INTERNAL_FUNCTION(stu.cls, score.subject, cast(cast(T_FUN_SUM(T_FUN_SUM(score.score)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(score.score)),
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DECIMAL(20, 0)), DECIMAL(15, 4)), T_FUN_MAX(T_FUN_MAX(score.score)), T_FUN_MIN(T_FUN_MIN(score.score)))]), filter(nil), rowset=256
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1 - output([INTERNAL_FUNCTION(stu.cls, score.subject, cast(cast(T_FUN_SUM(T_FUN_SUM(score.score)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(score.score)),
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DECIMAL(20, 0)), DECIMAL(15, 4)), T_FUN_MAX(T_FUN_MAX(score.score)), T_FUN_MIN(T_FUN_MIN(score.score)))]), filter(nil), rowset=256
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dop=2
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2 - output([stu.cls], [score.subject], [T_FUN_MAX(T_FUN_MAX(score.score))], [T_FUN_MIN(T_FUN_MIN(score.score))], [T_FUN_SUM(T_FUN_SUM(score.score))],
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[T_FUN_COUNT_SUM(T_FUN_COUNT(score.score))]), filter(nil), rowset=256
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group([stu.cls], [score.subject]), agg_func([T_FUN_MAX(T_FUN_MAX(score.score))], [T_FUN_MIN(T_FUN_MIN(score.score))], [T_FUN_SUM(T_FUN_SUM(score.score))],
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[T_FUN_COUNT_SUM(T_FUN_COUNT(score.score))])
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3 - output([stu.cls], [score.subject], [T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
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4 - output([stu.cls], [score.subject], [T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
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(#keys=2, [stu.cls], [score.subject]), dop=2
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5 - output([stu.cls], [score.subject], [T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
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group([stu.cls], [score.subject]), agg_func([T_FUN_MAX(score.score)], [T_FUN_MIN(score.score)], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)])
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6 - output([score.score], [stu.cls], [score.subject]), filter(nil), rowset=256
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partition wise, force partition granule
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7 - output([score.score], [stu.cls], [score.subject]), filter(nil), rowset=256
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equal_conds([score.sid = stu.sid]), other_conds(nil)
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merge_directions([ASC])
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8 - output([score.sid], [score.subject], [score.score]), filter(nil), rowset=256
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access([score.sid], [score.subject], [score.score]), partitions(p[0-5])
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is_index_back=false, is_global_index=false,
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range_key([score.sid], [score.subject]), range(MIN,MIN ; MAX,MAX)always true
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9 - output([stu.cls], [stu.sid]), filter(nil), rowset=256
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sort_keys([stu.sid, ASC])
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10 - output([stu.cls], [stu.sid]), filter(nil), rowset=256
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access([stu.cls], [stu.sid]), partitions(p[0-5])
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is_index_back=false, is_global_index=false,
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range_key([stu.cls], [stu.sid]), range(MIN,MIN ; MAX,MAX)always true
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select /*+ USE_PX parallel(2) */ cls, subject, avg(score), max(score), min(score) from score join stu using (sid) group by cls, subject;
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cls subject avg(score) max(score) min(score)
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1 EN 70.0000 80 60
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1 MA 70.0000 80 60
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2 EN 74.0000 90 58
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2 MA 74.0000 90 58
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3 EN 80.0000 80 80
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3 MA 80.0000 80 80
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4 EN 85.0000 90 80
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4 MA 85.0000 90 80
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5 EN 94.0000 99 89
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5 MA 94.0000 99 89
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6 EN 94.0000 100 87
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6 MA 94.0000 100 87
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File diff suppressed because it is too large
Load Diff
204
tools/deploy/mysql_test/test_suite/px/r/mysql/join_hash.result
Normal file
204
tools/deploy/mysql_test/test_suite/px/r/mysql/join_hash.result
Normal file
@ -0,0 +1,204 @@
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set ob_query_timeout=1000000000;
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drop database if exists px_test;
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create database px_test;
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use px_test;
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create table stu (
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sid int,
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name varchar(32),
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cls int,
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primary key (cls, sid)
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) partition by hash(sid) partitions 6;
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create table teacher (
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tid int,
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name varchar(32),
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subject varchar(4),
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primary key (tid)
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) partition by hash(tid) partitions 8;
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create table score (
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sid int,
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subject varchar(4),
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score int,
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primary key (sid, subject)
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) partition by hash(sid) partitions 6;
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insert into stu values
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(11, 'a1', 1),
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(12, 'b1', 1),
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(13, 'c1', 1),
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(21, 'a2', 2),
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(22, 'b2', 2),
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(31, 'a3', 3),
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(41, 'a4', 4),
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(42, 'b4', 4),
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(51, 'a5', 5),
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(52, 'b5', 5),
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(61, 'a6', 6),
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(62, 'b6', 6),
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(63, 'c6', 6),
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(64, 'd6', 6);
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insert into teacher values
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(1, 'Miss Zhang', 'EN'),
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(2, 'Mr Wang', 'MA');
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insert into score values
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(11, 'EN', 60),
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(12, 'EN', 70),
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(13, 'EN', 80),
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(21, 'EN', 58),
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(22, 'EN', 90),
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(31, 'EN', 80),
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(41, 'EN', 80),
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(42, 'EN', 90),
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(51, 'EN', 89),
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(52, 'EN', 99),
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(61, 'EN', 100),
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(62, 'EN', 90),
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(63, 'EN', 99),
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(64, 'EN', 87);
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insert into score values
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(11, 'MA', 60),
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(12, 'MA', 70),
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(13, 'MA', 80),
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(21, 'MA', 58),
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(22, 'MA', 90),
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(31, 'MA', 80),
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(41, 'MA', 80),
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(42, 'MA', 90),
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(51, 'MA', 89),
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(52, 'MA', 99),
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(61, 'MA', 100),
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(62, 'MA', 90),
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(63, 'MA', 99),
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(64, 'MA', 87);
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explain select /*+ USE_PX parallel(2) */ * from score, teacher where teacher.subject = score.subject;
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Query Plan
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========================================================================
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|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
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------------------------------------------------------------------------
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|0 |PX COORDINATOR | |28 |81 |
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|1 |└─EXCHANGE OUT DISTR |:EX10001|28 |53 |
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|2 | └─SHARED HASH JOIN | |28 |22 |
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|3 | ├─EXCHANGE IN DISTR | |2 |11 |
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|4 | │ └─EXCHANGE OUT DISTR (BC2HOST)|:EX10000|2 |10 |
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|5 | │ └─PX BLOCK ITERATOR | |2 |9 |
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|6 | │ └─TABLE FULL SCAN |teacher |2 |9 |
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|7 | └─PX BLOCK ITERATOR | |28 |8 |
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|8 | └─TABLE FULL SCAN |score |28 |8 |
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========================================================================
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Outputs & filters:
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-------------------------------------
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0 - output([INTERNAL_FUNCTION(score.sid, score.subject, score.score, teacher.tid, teacher.name, teacher.subject)]), filter(nil), rowset=256
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1 - output([INTERNAL_FUNCTION(score.sid, score.subject, score.score, teacher.tid, teacher.name, teacher.subject)]), filter(nil), rowset=256
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dop=2
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2 - output([teacher.subject], [score.subject], [teacher.tid], [teacher.name], [score.sid], [score.score]), filter(nil), rowset=256
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equal_conds([teacher.subject = score.subject]), other_conds(nil)
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3 - output([teacher.subject], [teacher.tid], [teacher.name]), filter(nil), rowset=256
|
||||
4 - output([teacher.subject], [teacher.tid], [teacher.name]), filter(nil), rowset=256
|
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dop=2
|
||||
5 - output([teacher.tid], [teacher.subject], [teacher.name]), filter(nil), rowset=256
|
||||
6 - output([teacher.tid], [teacher.subject], [teacher.name]), filter(nil), rowset=256
|
||||
access([teacher.tid], [teacher.subject], [teacher.name]), partitions(p[0-7])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([teacher.tid]), range(MIN ; MAX)always true
|
||||
7 - output([score.sid], [score.subject], [score.score]), filter(nil), rowset=256
|
||||
8 - output([score.sid], [score.subject], [score.score]), filter(nil), rowset=256
|
||||
access([score.sid], [score.subject], [score.score]), partitions(p[0-5])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([score.sid], [score.subject]), range(MIN,MIN ; MAX,MAX)always true
|
||||
select /*+ USE_PX parallel(2) */ * from score, teacher where teacher.subject = score.subject;
|
||||
sid subject score tid name subject
|
||||
11 EN 60 1 Miss Zhang EN
|
||||
11 MA 60 2 Mr Wang MA
|
||||
12 EN 70 1 Miss Zhang EN
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||||
12 MA 70 2 Mr Wang MA
|
||||
13 EN 80 1 Miss Zhang EN
|
||||
13 MA 80 2 Mr Wang MA
|
||||
21 EN 58 1 Miss Zhang EN
|
||||
21 MA 58 2 Mr Wang MA
|
||||
22 EN 90 1 Miss Zhang EN
|
||||
22 MA 90 2 Mr Wang MA
|
||||
31 EN 80 1 Miss Zhang EN
|
||||
31 MA 80 2 Mr Wang MA
|
||||
41 EN 80 1 Miss Zhang EN
|
||||
41 MA 80 2 Mr Wang MA
|
||||
42 EN 90 1 Miss Zhang EN
|
||||
42 MA 90 2 Mr Wang MA
|
||||
51 EN 89 1 Miss Zhang EN
|
||||
51 MA 89 2 Mr Wang MA
|
||||
52 EN 99 1 Miss Zhang EN
|
||||
52 MA 99 2 Mr Wang MA
|
||||
61 EN 100 1 Miss Zhang EN
|
||||
61 MA 100 2 Mr Wang MA
|
||||
62 EN 90 1 Miss Zhang EN
|
||||
62 MA 90 2 Mr Wang MA
|
||||
63 EN 99 1 Miss Zhang EN
|
||||
63 MA 99 2 Mr Wang MA
|
||||
64 EN 87 1 Miss Zhang EN
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||||
64 MA 87 2 Mr Wang MA
|
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explain select /*+ USE_PX parallel(2) */ teacher.name, teacher.subject, avg(score) from score, teacher where teacher.subject = score.subject group by teacher.name, teacher.subject;
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Query Plan
|
||||
=============================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
-----------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |2 |31 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10003|2 |29 |
|
||||
|2 | └─HASH JOIN | |2 |27 |
|
||||
|3 | ├─SUBPLAN SCAN |VIEW1 |2 |14 |
|
||||
|4 | │ └─HASH GROUP BY | |2 |14 |
|
||||
|5 | │ └─EXCHANGE IN DISTR | |4 |13 |
|
||||
|6 | │ └─EXCHANGE OUT DISTR (HASH) |:EX10000|4 |12 |
|
||||
|7 | │ └─HASH GROUP BY | |4 |9 |
|
||||
|8 | │ └─PX BLOCK ITERATOR | |28 |8 |
|
||||
|9 | │ └─TABLE FULL SCAN |score |28 |8 |
|
||||
|10| └─EXCHANGE IN DISTR | |2 |13 |
|
||||
|11| └─EXCHANGE OUT DISTR (HASH) |:EX10002|2 |13 |
|
||||
|12| └─SUBPLAN SCAN |VIEW2 |2 |11 |
|
||||
|13| └─HASH GROUP BY | |2 |11 |
|
||||
|14| └─EXCHANGE IN DISTR | |2 |11 |
|
||||
|15| └─EXCHANGE OUT DISTR (HASH)|:EX10001|2 |10 |
|
||||
|16| └─HASH GROUP BY | |2 |9 |
|
||||
|17| └─PX BLOCK ITERATOR | |2 |9 |
|
||||
|18| └─TABLE FULL SCAN |teacher |2 |9 |
|
||||
=============================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(VIEW2.teacher.name, VIEW2.teacher.subject, cast(cast(cast(VIEW1.T_FUN_SUM(score.score) * cast(VIEW2.T_FUN_COUNT(*), DECIMAL_INT(20,
|
||||
0)), DECIMAL_INT(33, 0)), DECIMAL(33, 0)) / cast(VIEW1.T_FUN_COUNT(score.score) * VIEW2.T_FUN_COUNT(*), DECIMAL(20, 0)), DECIMAL(15, 4)))]), filter(nil), rowset=256
|
||||
1 - output([INTERNAL_FUNCTION(VIEW2.teacher.name, VIEW2.teacher.subject, cast(cast(cast(VIEW1.T_FUN_SUM(score.score) * cast(VIEW2.T_FUN_COUNT(*), DECIMAL_INT(20,
|
||||
0)), DECIMAL_INT(33, 0)), DECIMAL(33, 0)) / cast(VIEW1.T_FUN_COUNT(score.score) * VIEW2.T_FUN_COUNT(*), DECIMAL(20, 0)), DECIMAL(15, 4)))]), filter(nil), rowset=256
|
||||
dop=2
|
||||
2 - output([VIEW2.T_FUN_COUNT(*)], [VIEW2.teacher.subject], [VIEW1.T_FUN_SUM(score.score)], [VIEW1.T_FUN_COUNT(score.score)], [VIEW2.teacher.name]), filter(nil), rowset=256
|
||||
equal_conds([VIEW2.teacher.subject = VIEW1.score.subject]), other_conds(nil)
|
||||
3 - output([VIEW1.score.subject], [VIEW1.T_FUN_SUM(score.score)], [VIEW1.T_FUN_COUNT(score.score)]), filter(nil), rowset=256
|
||||
access([VIEW1.score.subject], [VIEW1.T_FUN_SUM(score.score)], [VIEW1.T_FUN_COUNT(score.score)])
|
||||
4 - output([score.subject], [T_FUN_SUM(T_FUN_SUM(score.score))], [T_FUN_COUNT_SUM(T_FUN_COUNT(score.score))]), filter(nil), rowset=256
|
||||
group([score.subject]), agg_func([T_FUN_SUM(T_FUN_SUM(score.score))], [T_FUN_COUNT_SUM(T_FUN_COUNT(score.score))])
|
||||
5 - output([score.subject], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
|
||||
6 - output([score.subject], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
|
||||
(#keys=1, [score.subject]), dop=2
|
||||
7 - output([score.subject], [T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)]), filter(nil), rowset=256
|
||||
group([score.subject]), agg_func([T_FUN_SUM(score.score)], [T_FUN_COUNT(score.score)])
|
||||
8 - output([score.subject], [score.score]), filter(nil), rowset=256
|
||||
9 - output([score.subject], [score.score]), filter(nil), rowset=256
|
||||
access([score.subject], [score.score]), partitions(p[0-5])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([score.sid], [score.subject]), range(MIN,MIN ; MAX,MAX)always true
|
||||
10 - output([VIEW2.T_FUN_COUNT(*)], [VIEW2.teacher.subject], [VIEW2.teacher.name]), filter(nil), rowset=256
|
||||
11 - output([VIEW2.T_FUN_COUNT(*)], [VIEW2.teacher.subject], [VIEW2.teacher.name]), filter(nil), rowset=256
|
||||
(#keys=1, [VIEW2.teacher.subject]), dop=2
|
||||
12 - output([VIEW2.teacher.subject], [VIEW2.teacher.name], [VIEW2.T_FUN_COUNT(*)]), filter(nil), rowset=256
|
||||
access([VIEW2.teacher.subject], [VIEW2.teacher.name], [VIEW2.T_FUN_COUNT(*)])
|
||||
13 - output([teacher.subject], [teacher.name], [T_FUN_COUNT_SUM(T_FUN_COUNT(*))]), filter(nil), rowset=256
|
||||
group([teacher.subject], [teacher.name]), agg_func([T_FUN_COUNT_SUM(T_FUN_COUNT(*))])
|
||||
14 - output([teacher.subject], [teacher.name], [T_FUN_COUNT(*)]), filter(nil), rowset=256
|
||||
15 - output([teacher.subject], [teacher.name], [T_FUN_COUNT(*)]), filter(nil), rowset=256
|
||||
(#keys=2, [teacher.subject], [teacher.name]), dop=2
|
||||
16 - output([teacher.subject], [teacher.name], [T_FUN_COUNT(*)]), filter(nil), rowset=256
|
||||
group([teacher.subject], [teacher.name]), agg_func([T_FUN_COUNT(*)])
|
||||
17 - output([teacher.subject], [teacher.name]), filter(nil), rowset=256
|
||||
18 - output([teacher.subject], [teacher.name]), filter(nil), rowset=256
|
||||
access([teacher.subject], [teacher.name]), partitions(p[0-7])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([teacher.tid]), range(MIN ; MAX)always true
|
||||
select /*+ USE_PX parallel(2) */ teacher.name, teacher.subject, avg(score) from score, teacher where teacher.subject = score.subject group by teacher.name, teacher.subject;
|
||||
name subject avg(score)
|
||||
Miss Zhang EN 83.7143
|
||||
Mr Wang MA 83.7143
|
||||
486
tools/deploy/mysql_test/test_suite/px/r/mysql/tsc.result
Normal file
486
tools/deploy/mysql_test/test_suite/px/r/mysql/tsc.result
Normal file
@ -0,0 +1,486 @@
|
||||
set ob_query_timeout=1000000000;
|
||||
drop database if exists px_test;
|
||||
create database px_test;
|
||||
use px_test;
|
||||
create table stu (
|
||||
sid int,
|
||||
name varchar(32),
|
||||
cls int,
|
||||
primary key (cls, sid)
|
||||
) partition by hash(sid) partitions 6;
|
||||
create table teacher (
|
||||
tid int,
|
||||
name varchar(32),
|
||||
subject varchar(4),
|
||||
primary key (tid)
|
||||
) partition by hash(tid) partitions 8;
|
||||
create table score (
|
||||
sid int,
|
||||
subject varchar(4),
|
||||
score int,
|
||||
primary key (sid, subject)
|
||||
) partition by hash(sid) partitions 6;
|
||||
insert into stu values
|
||||
(11, 'a1', 1),
|
||||
(12, 'b1', 1),
|
||||
(13, 'c1', 1),
|
||||
(21, 'a2', 2),
|
||||
(22, 'b2', 2),
|
||||
(31, 'a3', 3),
|
||||
(41, 'a4', 4),
|
||||
(42, 'b4', 4),
|
||||
(51, 'a5', 5),
|
||||
(52, 'b5', 5),
|
||||
(61, 'a6', 6),
|
||||
(62, 'b6', 6),
|
||||
(63, 'c6', 6),
|
||||
(64, 'd6', 6);
|
||||
insert into teacher values
|
||||
(1, 'Miss Zhang', 'EN'),
|
||||
(2, 'Mr Wang', 'MA');
|
||||
insert into score values
|
||||
(11, 'EN', 60),
|
||||
(12, 'EN', 70),
|
||||
(13, 'EN', 80),
|
||||
(21, 'EN', 58),
|
||||
(22, 'EN', 90),
|
||||
(31, 'EN', 80),
|
||||
(41, 'EN', 80),
|
||||
(42, 'EN', 90),
|
||||
(51, 'EN', 89),
|
||||
(52, 'EN', 99),
|
||||
(61, 'EN', 100),
|
||||
(62, 'EN', 90),
|
||||
(63, 'EN', 99),
|
||||
(64, 'EN', 87);
|
||||
insert into score values
|
||||
(11, 'MA', 60),
|
||||
(12, 'MA', 70),
|
||||
(13, 'MA', 80),
|
||||
(21, 'MA', 58),
|
||||
(22, 'MA', 90),
|
||||
(31, 'MA', 80),
|
||||
(41, 'MA', 80),
|
||||
(42, 'MA', 90),
|
||||
(51, 'MA', 89),
|
||||
(52, 'MA', 99),
|
||||
(61, 'MA', 100),
|
||||
(62, 'MA', 90),
|
||||
(63, 'MA', 99),
|
||||
(64, 'MA', 87);
|
||||
select * from stu;
|
||||
sid name cls
|
||||
11 a1 1
|
||||
12 b1 1
|
||||
13 c1 1
|
||||
21 a2 2
|
||||
22 b2 2
|
||||
31 a3 3
|
||||
41 a4 4
|
||||
42 b4 4
|
||||
51 a5 5
|
||||
52 b5 5
|
||||
61 a6 6
|
||||
62 b6 6
|
||||
63 c6 6
|
||||
64 d6 6
|
||||
select /*+ USE_PX parallel(2) */ * from stu;
|
||||
sid name cls
|
||||
11 a1 1
|
||||
12 b1 1
|
||||
13 c1 1
|
||||
21 a2 2
|
||||
22 b2 2
|
||||
31 a3 3
|
||||
41 a4 4
|
||||
42 b4 4
|
||||
51 a5 5
|
||||
52 b5 5
|
||||
61 a6 6
|
||||
62 b6 6
|
||||
63 c6 6
|
||||
64 d6 6
|
||||
select /*+ USE_PX parallel(6) */ * from stu;
|
||||
sid name cls
|
||||
11 a1 1
|
||||
12 b1 1
|
||||
13 c1 1
|
||||
21 a2 2
|
||||
22 b2 2
|
||||
31 a3 3
|
||||
41 a4 4
|
||||
42 b4 4
|
||||
51 a5 5
|
||||
52 b5 5
|
||||
61 a6 6
|
||||
62 b6 6
|
||||
63 c6 6
|
||||
64 d6 6
|
||||
select /*+ USE_PX parallel(18) */ * from stu;
|
||||
sid name cls
|
||||
11 a1 1
|
||||
12 b1 1
|
||||
13 c1 1
|
||||
21 a2 2
|
||||
22 b2 2
|
||||
31 a3 3
|
||||
41 a4 4
|
||||
42 b4 4
|
||||
51 a5 5
|
||||
52 b5 5
|
||||
61 a6 6
|
||||
62 b6 6
|
||||
63 c6 6
|
||||
64 d6 6
|
||||
select /*+ USE_PX parallel(28) */ name, cls from stu;
|
||||
name cls
|
||||
a1 1
|
||||
a2 2
|
||||
a3 3
|
||||
a4 4
|
||||
a5 5
|
||||
a6 6
|
||||
b1 1
|
||||
b2 2
|
||||
b4 4
|
||||
b5 5
|
||||
b6 6
|
||||
c1 1
|
||||
c6 6
|
||||
d6 6
|
||||
select * from teacher;
|
||||
tid name subject
|
||||
1 Miss Zhang EN
|
||||
2 Mr Wang MA
|
||||
select /*+ USE_PX parallel(2) */ * from teacher;
|
||||
tid name subject
|
||||
1 Miss Zhang EN
|
||||
2 Mr Wang MA
|
||||
select /*+ USE_PX parallel(6) */ * from teacher;
|
||||
tid name subject
|
||||
1 Miss Zhang EN
|
||||
2 Mr Wang MA
|
||||
select /*+ USE_PX parallel(8) */ * from teacher;
|
||||
tid name subject
|
||||
1 Miss Zhang EN
|
||||
2 Mr Wang MA
|
||||
select /*+ USE_PX parallel(18) */ name from teacher;
|
||||
name
|
||||
Miss Zhang
|
||||
Mr Wang
|
||||
select * from score;
|
||||
sid subject score
|
||||
11 EN 60
|
||||
11 MA 60
|
||||
12 EN 70
|
||||
12 MA 70
|
||||
13 EN 80
|
||||
13 MA 80
|
||||
21 EN 58
|
||||
21 MA 58
|
||||
22 EN 90
|
||||
22 MA 90
|
||||
31 EN 80
|
||||
31 MA 80
|
||||
41 EN 80
|
||||
41 MA 80
|
||||
42 EN 90
|
||||
42 MA 90
|
||||
51 EN 89
|
||||
51 MA 89
|
||||
52 EN 99
|
||||
52 MA 99
|
||||
61 EN 100
|
||||
61 MA 100
|
||||
62 EN 90
|
||||
62 MA 90
|
||||
63 EN 99
|
||||
63 MA 99
|
||||
64 EN 87
|
||||
64 MA 87
|
||||
select /*+ USE_PX parallel(2) */ * from score;
|
||||
sid subject score
|
||||
11 EN 60
|
||||
11 MA 60
|
||||
12 EN 70
|
||||
12 MA 70
|
||||
13 EN 80
|
||||
13 MA 80
|
||||
21 EN 58
|
||||
21 MA 58
|
||||
22 EN 90
|
||||
22 MA 90
|
||||
31 EN 80
|
||||
31 MA 80
|
||||
41 EN 80
|
||||
41 MA 80
|
||||
42 EN 90
|
||||
42 MA 90
|
||||
51 EN 89
|
||||
51 MA 89
|
||||
52 EN 99
|
||||
52 MA 99
|
||||
61 EN 100
|
||||
61 MA 100
|
||||
62 EN 90
|
||||
62 MA 90
|
||||
63 EN 99
|
||||
63 MA 99
|
||||
64 EN 87
|
||||
64 MA 87
|
||||
select /*+ USE_PX parallel(6) */ * from score;
|
||||
sid subject score
|
||||
11 EN 60
|
||||
11 MA 60
|
||||
12 EN 70
|
||||
12 MA 70
|
||||
13 EN 80
|
||||
13 MA 80
|
||||
21 EN 58
|
||||
21 MA 58
|
||||
22 EN 90
|
||||
22 MA 90
|
||||
31 EN 80
|
||||
31 MA 80
|
||||
41 EN 80
|
||||
41 MA 80
|
||||
42 EN 90
|
||||
42 MA 90
|
||||
51 EN 89
|
||||
51 MA 89
|
||||
52 EN 99
|
||||
52 MA 99
|
||||
61 EN 100
|
||||
61 MA 100
|
||||
62 EN 90
|
||||
62 MA 90
|
||||
63 EN 99
|
||||
63 MA 99
|
||||
64 EN 87
|
||||
64 MA 87
|
||||
select /*+ USE_PX parallel(8) */ * from score;
|
||||
sid subject score
|
||||
11 EN 60
|
||||
11 MA 60
|
||||
12 EN 70
|
||||
12 MA 70
|
||||
13 EN 80
|
||||
13 MA 80
|
||||
21 EN 58
|
||||
21 MA 58
|
||||
22 EN 90
|
||||
22 MA 90
|
||||
31 EN 80
|
||||
31 MA 80
|
||||
41 EN 80
|
||||
41 MA 80
|
||||
42 EN 90
|
||||
42 MA 90
|
||||
51 EN 89
|
||||
51 MA 89
|
||||
52 EN 99
|
||||
52 MA 99
|
||||
61 EN 100
|
||||
61 MA 100
|
||||
62 EN 90
|
||||
62 MA 90
|
||||
63 EN 99
|
||||
63 MA 99
|
||||
64 EN 87
|
||||
64 MA 87
|
||||
select /*+ USE_PX parallel(18) */ score, sid from score;
|
||||
score sid
|
||||
100 61
|
||||
100 61
|
||||
58 21
|
||||
58 21
|
||||
60 11
|
||||
60 11
|
||||
70 12
|
||||
70 12
|
||||
80 13
|
||||
80 13
|
||||
80 31
|
||||
80 31
|
||||
80 41
|
||||
80 41
|
||||
87 64
|
||||
87 64
|
||||
89 51
|
||||
89 51
|
||||
90 22
|
||||
90 22
|
||||
90 42
|
||||
90 42
|
||||
90 62
|
||||
90 62
|
||||
99 52
|
||||
99 52
|
||||
99 63
|
||||
99 63
|
||||
select /*+ USE_PX parallel(3) */ * from score where score > 60 and score < 90;
|
||||
sid subject score
|
||||
12 EN 70
|
||||
12 MA 70
|
||||
13 EN 80
|
||||
13 MA 80
|
||||
31 EN 80
|
||||
31 MA 80
|
||||
41 EN 80
|
||||
41 MA 80
|
||||
51 EN 89
|
||||
51 MA 89
|
||||
64 EN 87
|
||||
64 MA 87
|
||||
select /*+ USE_PX parallel(3) */ * from score where score > 60 and score < 90 and subject = 'MA';
|
||||
sid subject score
|
||||
12 MA 70
|
||||
13 MA 80
|
||||
31 MA 80
|
||||
41 MA 80
|
||||
51 MA 89
|
||||
64 MA 87
|
||||
select /*+ USE_PX parallel(3) */ * from score where score > 60 and score < 90 and subject IN ('MA', 'EN', 'HIS');
|
||||
sid subject score
|
||||
12 EN 70
|
||||
12 MA 70
|
||||
13 EN 80
|
||||
13 MA 80
|
||||
31 EN 80
|
||||
31 MA 80
|
||||
41 EN 80
|
||||
41 MA 80
|
||||
51 EN 89
|
||||
51 MA 89
|
||||
64 EN 87
|
||||
64 MA 87
|
||||
select /*+ USE_PX parallel(3) */ * from score where sid >=20 and sid <= 40 and score > 60 and score < 90 and subject IN ('MA', 'EN', 'HIS');
|
||||
sid subject score
|
||||
31 EN 80
|
||||
31 MA 80
|
||||
select /*+ USE_PX parallel(3) */ * from score where sid IN (41, 51) and score > 60 and score < 90 and subject IN ('MA', 'EN', 'HIS');
|
||||
sid subject score
|
||||
41 EN 80
|
||||
41 MA 80
|
||||
51 EN 89
|
||||
51 MA 89
|
||||
explain select /*+ USE_PX parallel(2) */ * from stu order by name desc;
|
||||
Query Plan
|
||||
==============================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------
|
||||
|0 |PX COORDINATOR MERGE SORT | |14 |26 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10000|14 |18 |
|
||||
|2 | └─SORT | |14 |9 |
|
||||
|3 | └─PX BLOCK ITERATOR | |14 |7 |
|
||||
|4 | └─TABLE FULL SCAN |stu |14 |7 |
|
||||
==============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(stu.sid, stu.name, stu.cls)]), filter(nil), rowset=16
|
||||
sort_keys([stu.name, DESC])
|
||||
1 - output([stu.name], [INTERNAL_FUNCTION(stu.sid, stu.name, stu.cls)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
2 - output([stu.name], [stu.cls], [stu.sid]), filter(nil), rowset=16
|
||||
sort_keys([stu.name, DESC])
|
||||
3 - output([stu.cls], [stu.sid], [stu.name]), filter(nil), rowset=16
|
||||
4 - output([stu.cls], [stu.sid], [stu.name]), filter(nil), rowset=16
|
||||
access([stu.cls], [stu.sid], [stu.name]), partitions(p[0-5])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([stu.cls], [stu.sid]), range(MIN,MIN ; MAX,MAX)always true
|
||||
select /*+ USE_PX parallel(2) */ * from stu order by name desc;
|
||||
sid name cls
|
||||
64 d6 6
|
||||
63 c6 6
|
||||
13 c1 1
|
||||
62 b6 6
|
||||
52 b5 5
|
||||
42 b4 4
|
||||
22 b2 2
|
||||
12 b1 1
|
||||
61 a6 6
|
||||
51 a5 5
|
||||
41 a4 4
|
||||
31 a3 3
|
||||
21 a2 2
|
||||
11 a1 1
|
||||
select /*+ USE_PX parallel(2) */ * from stu order by name;
|
||||
sid name cls
|
||||
11 a1 1
|
||||
21 a2 2
|
||||
31 a3 3
|
||||
41 a4 4
|
||||
51 a5 5
|
||||
61 a6 6
|
||||
12 b1 1
|
||||
22 b2 2
|
||||
42 b4 4
|
||||
52 b5 5
|
||||
62 b6 6
|
||||
13 c1 1
|
||||
63 c6 6
|
||||
64 d6 6
|
||||
explain select /*+ USE_PX parallel(2) */ * from stu order by name limit 3;
|
||||
Query Plan
|
||||
================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
----------------------------------------------------------------
|
||||
|0 |LIMIT | |3 |12 |
|
||||
|1 |└─PX COORDINATOR MERGE SORT | |3 |12 |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10000|3 |10 |
|
||||
|3 | └─TOP-N SORT | |3 |8 |
|
||||
|4 | └─PX BLOCK ITERATOR | |14 |7 |
|
||||
|5 | └─TABLE FULL SCAN |stu |14 |7 |
|
||||
================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([stu.sid], [stu.name], [stu.cls]), filter(nil), rowset=16
|
||||
limit(3), offset(nil)
|
||||
1 - output([stu.sid], [stu.name], [stu.cls]), filter(nil), rowset=16
|
||||
sort_keys([stu.name, ASC])
|
||||
2 - output([stu.sid], [stu.name], [stu.cls]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([stu.sid], [stu.name], [stu.cls]), filter(nil), rowset=16
|
||||
sort_keys([stu.name, ASC]), topn(3)
|
||||
4 - output([stu.cls], [stu.sid], [stu.name]), filter(nil), rowset=16
|
||||
5 - output([stu.cls], [stu.sid], [stu.name]), filter(nil), rowset=16
|
||||
access([stu.cls], [stu.sid], [stu.name]), partitions(p[0-5])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([stu.cls], [stu.sid]), range(MIN,MIN ; MAX,MAX)always true
|
||||
select /*+ USE_PX parallel(2) */ * from stu order by name limit 3;
|
||||
sid name cls
|
||||
11 a1 1
|
||||
21 a2 2
|
||||
31 a3 3
|
||||
create table t11 (c1 int, c2 int, c3 int, c4 int) partition by hash(c1);
|
||||
select /*+use_px parallel(2) read_consistency(weak) */ t0.c1 from (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t0 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t1 on t0.c1=t1.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t2 on t0.c1=t2.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t3 on t0.c1=t3.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t4 on t0.c1=t4.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t5 on t0.c1=t5.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t6 on t0.c1=t6.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t7 on t0.c1=t7.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t8 on t0.c1=t8.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t9 on t0.c1=t9.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t10 on t0.c1=t10.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t11 on t0.c1=t11.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t12 on t0.c1=t12.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t13 on t0.c1=t13.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t14 on t0.c1=t14.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t15 on t0.c1=t15.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t16 on t0.c1=t16.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t17 on t0.c1=t17.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t18 on t0.c1=t18.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t19 on t0.c1=t19.c1;
|
||||
c1
|
||||
|
||||
drop table if exists t1;
|
||||
create table t1(c1 int primary key, c2 varchar(10)) partition by hash(c1) partitions 2;
|
||||
insert into t1 values(1, 'aaa'),(2,'bbb');
|
||||
explain basic select * from t1 where c2 not in('', 'xxx');
|
||||
Query Plan
|
||||
=======================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------
|
||||
|0 |PX COORDINATOR | |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10000|
|
||||
|2 | └─PX PARTITION ITERATOR| |
|
||||
|3 | └─TABLE FULL SCAN |t1 |
|
||||
=======================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2)]), filter(nil), rowset=16
|
||||
dop=1
|
||||
2 - output([t1.c1], [t1.c2]), filter(nil), rowset=16
|
||||
force partition granule
|
||||
3 - output([t1.c1], [t1.c2]), filter([(T_OP_NOT_IN, t1.c2, ('', 'xxx'))]), rowset=16
|
||||
access([t1.c1], [t1.c2]), partitions(p[0-1])
|
||||
is_index_back=false, is_global_index=false, filter_before_indexback[false],
|
||||
range_key([t1.c1]), range(MIN ; MAX)always true
|
||||
select * from t1 where c2 not in('', 'xxx');
|
||||
c1 c2
|
||||
2 bbb
|
||||
1 aaa
|
||||
@ -0,0 +1,588 @@
|
||||
result_format: 4
|
||||
explain_protocol: 2
|
||||
drop database if exists muhangtest;
|
||||
create database muhangtest;
|
||||
use muhangtest;
|
||||
drop table if exists xy_t1, xy_t2;
|
||||
create table t2(c1 int(11) not null, c2 int(11) not null, c3 int(11) not null, primary key (c1, c2, c3)) partition by hash(c2)
|
||||
subpartition by range columns(c2) subpartition template( subpartition sp_00 values less than (45), subpartition sp_01 values less than (100));
|
||||
|
||||
## left outer join
|
||||
## OB bug
|
||||
##select * from t1 left join t2 on t1.c2 = t1.c2;
|
||||
create table t1 (c1 int(11) not null, c2 int(11) not null, c3 int(11) not null, primary key (c1, c2, c3)) ;
|
||||
##原始结果
|
||||
EXPLAIN select /*+use_px parallel(4) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
Query Plan
|
||||
========================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |3 |7 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|3 |5 |
|
||||
|2 | └─SHARED HASH RIGHT OUTER JOIN | |3 |3 |
|
||||
|3 | ├─EXCHANGE IN DISTR | |2 |2 |
|
||||
|4 | │ └─EXCHANGE OUT DISTR (BC2HOST)|:EX10000|2 |2 |
|
||||
|5 | │ └─PX BLOCK ITERATOR | |2 |2 |
|
||||
|6 | │ └─TABLE FULL SCAN |t2 |2 |2 |
|
||||
|7 | └─PX BLOCK ITERATOR | |3 |1 |
|
||||
|8 | └─TABLE FULL SCAN |t1 |3 |1 |
|
||||
========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3, t2.c1, t2.c2, t2.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3, t2.c1, t2.c2, t2.c3)]), filter(nil), rowset=16
|
||||
dop=4
|
||||
2 - output([t1.c2], [t2.c2], [t2.c1], [t2.c3], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
4 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
dop=4
|
||||
5 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
6 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
access([t2.c1], [t2.c2], [t2.c3]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
7 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+use_px parallel(4) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
+-----+-----+-----+----+----+----+
|
||||
| c1 | c2 | c3 | c1 | c2 | c3 |
|
||||
+-----+-----+-----+----+----+----+
|
||||
| 1 | 1 | 1 | 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 | 99 | 99 | 99 |
|
||||
| 999 | 999 | 999 | NULL | NULL | NULL |
|
||||
+-----+-----+-----+----+----+----+
|
||||
|
||||
##left outer join
|
||||
EXPLAIN select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
Query Plan
|
||||
==========================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |3 |8 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|3 |6 |
|
||||
|2 | └─HASH OUTER JOIN | |3 |4 |
|
||||
|3 | ├─PART JOIN FILTER CREATE |:RF0000 |3 |1 |
|
||||
|4 | │ └─PX BLOCK ITERATOR | |3 |1 |
|
||||
|5 | │ └─TABLE FULL SCAN |t1 |3 |1 |
|
||||
|6 | └─EXCHANGE IN DISTR | |2 |3 |
|
||||
|7 | └─EXCHANGE OUT DISTR (BROADCAST)|:EX10000|2 |2 |
|
||||
|8 | └─PX BLOCK HASH JOIN-FILTER |:RF0000 |2 |2 |
|
||||
|9 | └─TABLE FULL SCAN |t2 |2 |2 |
|
||||
==========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3, t2.c1, t2.c2, t2.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3, t2.c1, t2.c2, t2.c3)]), filter(nil), rowset=16
|
||||
dop=4
|
||||
2 - output([t1.c2], [t2.c2], [t1.c1], [t1.c3], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
RF_TYPE(bloom), RF_EXPR[calc_tablet_id(t1.c2, t1.c2)]
|
||||
4 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
6 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
7 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
dop=4
|
||||
8 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
access([t2.c1], [t2.c2], [t2.c3]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
+-----+-----+-----+----+----+----+
|
||||
| c1 | c2 | c3 | c1 | c2 | c3 |
|
||||
+-----+-----+-----+----+----+----+
|
||||
| 1 | 1 | 1 | 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 | 99 | 99 | 99 |
|
||||
| 999 | 999 | 999 | NULL | NULL | NULL |
|
||||
+-----+-----+-----+----+----+----+
|
||||
EXPLAIN select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
Query Plan
|
||||
==========================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |3 |8 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|3 |6 |
|
||||
|2 | └─HASH OUTER JOIN | |3 |4 |
|
||||
|3 | ├─PART JOIN FILTER CREATE |:RF0000 |3 |1 |
|
||||
|4 | │ └─PX BLOCK ITERATOR | |3 |1 |
|
||||
|5 | │ └─TABLE FULL SCAN |t1 |3 |1 |
|
||||
|6 | └─EXCHANGE IN DISTR | |2 |3 |
|
||||
|7 | └─EXCHANGE OUT DISTR (BROADCAST)|:EX10000|2 |2 |
|
||||
|8 | └─PX BLOCK HASH JOIN-FILTER |:RF0000 |2 |2 |
|
||||
|9 | └─TABLE FULL SCAN |t2 |2 |2 |
|
||||
==========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3, t2.c1, t2.c2, t2.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3, t2.c1, t2.c2, t2.c3)]), filter(nil), rowset=16
|
||||
dop=4
|
||||
2 - output([t1.c2], [t2.c2], [t1.c1], [t1.c3], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
RF_TYPE(bloom), RF_EXPR[calc_tablet_id(t1.c2, t1.c2)]
|
||||
4 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
6 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
7 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
dop=4
|
||||
8 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
access([t2.c1], [t2.c2], [t2.c3]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
+-----+-----+-----+----+----+----+
|
||||
| c1 | c2 | c3 | c1 | c2 | c3 |
|
||||
+-----+-----+-----+----+----+----+
|
||||
| 1 | 1 | 1 | 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 | 99 | 99 | 99 |
|
||||
| 999 | 999 | 999 | NULL | NULL | NULL |
|
||||
+-----+-----+-----+----+----+----+
|
||||
##right outer join
|
||||
EXPLAIN select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t2 right join t1 on t1.c2 = t2.c2;
|
||||
Query Plan
|
||||
==========================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |3 |8 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|3 |6 |
|
||||
|2 | └─HASH OUTER JOIN | |3 |4 |
|
||||
|3 | ├─PART JOIN FILTER CREATE |:RF0000 |3 |1 |
|
||||
|4 | │ └─PX BLOCK ITERATOR | |3 |1 |
|
||||
|5 | │ └─TABLE FULL SCAN |t1 |3 |1 |
|
||||
|6 | └─EXCHANGE IN DISTR | |2 |3 |
|
||||
|7 | └─EXCHANGE OUT DISTR (BROADCAST)|:EX10000|2 |2 |
|
||||
|8 | └─PX BLOCK HASH JOIN-FILTER |:RF0000 |2 |2 |
|
||||
|9 | └─TABLE FULL SCAN |t2 |2 |2 |
|
||||
==========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=4
|
||||
2 - output([t1.c2], [t2.c2], [t1.c1], [t1.c3], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
RF_TYPE(bloom), RF_EXPR[calc_tablet_id(t1.c2, t1.c2)]
|
||||
4 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
6 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
7 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
dop=4
|
||||
8 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
access([t2.c1], [t2.c2], [t2.c3]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t2 right join t1 on t1.c2 = t2.c2;
|
||||
+----+----+----+-----+-----+-----+
|
||||
| c1 | c2 | c3 | c1 | c2 | c3 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
| 1 | 1 | 1 | 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 | 99 | 99 | 99 |
|
||||
| NULL | NULL | NULL | 999 | 999 | 999 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
EXPLAIN select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t2 right join t1 on t1.c2 = t2.c2;
|
||||
Query Plan
|
||||
==========================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |3 |8 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|3 |6 |
|
||||
|2 | └─HASH OUTER JOIN | |3 |4 |
|
||||
|3 | ├─PART JOIN FILTER CREATE |:RF0000 |3 |1 |
|
||||
|4 | │ └─PX BLOCK ITERATOR | |3 |1 |
|
||||
|5 | │ └─TABLE FULL SCAN |t1 |3 |1 |
|
||||
|6 | └─EXCHANGE IN DISTR | |2 |3 |
|
||||
|7 | └─EXCHANGE OUT DISTR (BROADCAST)|:EX10000|2 |2 |
|
||||
|8 | └─PX BLOCK HASH JOIN-FILTER |:RF0000 |2 |2 |
|
||||
|9 | └─TABLE FULL SCAN |t2 |2 |2 |
|
||||
==========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=4
|
||||
2 - output([t1.c2], [t2.c2], [t1.c1], [t1.c3], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
RF_TYPE(bloom), RF_EXPR[calc_tablet_id(t1.c2, t1.c2)]
|
||||
4 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
6 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
7 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
dop=4
|
||||
8 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
access([t2.c1], [t2.c2], [t2.c3]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t2 right join t1 on t1.c2 = t2.c2;
|
||||
+----+----+----+-----+-----+-----+
|
||||
| c1 | c2 | c3 | c1 | c2 | c3 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
| 1 | 1 | 1 | 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 | 99 | 99 | 99 |
|
||||
| NULL | NULL | NULL | 999 | 999 | 999 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
##full outer join
|
||||
EXPLAIN select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t2 full join t1 on t1.c2 = t2.c2;
|
||||
Query Plan
|
||||
=====================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
---------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |3 |9 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002|3 |6 |
|
||||
|2 | └─HASH FULL OUTER JOIN | |3 |4 |
|
||||
|3 | ├─EXCHANGE IN DISTR | |3 |2 |
|
||||
|4 | │ └─EXCHANGE OUT DISTR (HASH)|:EX10000|3 |2 |
|
||||
|5 | │ └─PX BLOCK ITERATOR | |3 |1 |
|
||||
|6 | │ └─TABLE FULL SCAN |t1 |3 |1 |
|
||||
|7 | └─EXCHANGE IN DISTR | |2 |2 |
|
||||
|8 | └─EXCHANGE OUT DISTR (HASH)|:EX10001|2 |2 |
|
||||
|9 | └─PX BLOCK ITERATOR | |2 |2 |
|
||||
|10| └─TABLE FULL SCAN |t2 |2 |2 |
|
||||
=====================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=4
|
||||
2 - output([t1.c2], [t2.c2], [t1.c1], [t1.c3], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
4 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [t1.c2]), dop=4
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
6 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
7 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
8 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [t2.c2]), dop=4
|
||||
9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
10 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
access([t2.c1], [t2.c2], [t2.c3]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t2 full join t1 on t1.c2 = t2.c2;
|
||||
+----+----+----+-----+-----+-----+
|
||||
| c1 | c2 | c3 | c1 | c2 | c3 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
| 1 | 1 | 1 | 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 | 99 | 99 | 99 |
|
||||
| NULL | NULL | NULL | 999 | 999 | 999 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
EXPLAIN select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t2 full join t1 on t1.c2 = t2.c2;
|
||||
Query Plan
|
||||
=====================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
---------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |3 |9 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002|3 |6 |
|
||||
|2 | └─HASH FULL OUTER JOIN | |3 |4 |
|
||||
|3 | ├─EXCHANGE IN DISTR | |3 |2 |
|
||||
|4 | │ └─EXCHANGE OUT DISTR (HASH)|:EX10000|3 |2 |
|
||||
|5 | │ └─PX BLOCK ITERATOR | |3 |1 |
|
||||
|6 | │ └─TABLE FULL SCAN |t1 |3 |1 |
|
||||
|7 | └─EXCHANGE IN DISTR | |2 |2 |
|
||||
|8 | └─EXCHANGE OUT DISTR (HASH)|:EX10001|2 |2 |
|
||||
|9 | └─PX BLOCK ITERATOR | |2 |2 |
|
||||
|10| └─TABLE FULL SCAN |t2 |2 |2 |
|
||||
=====================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t2.c1, t2.c2, t2.c3, t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=4
|
||||
2 - output([t1.c2], [t2.c2], [t1.c1], [t1.c3], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
4 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [t1.c2]), dop=4
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
6 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
7 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
8 - output([t2.c2], [t2.c1], [t2.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [t2.c2]), dop=4
|
||||
9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
10 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=16
|
||||
access([t2.c1], [t2.c2], [t2.c3]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t2 full join t1 on t1.c2 = t2.c2;
|
||||
+----+----+----+-----+-----+-----+
|
||||
| c1 | c2 | c3 | c1 | c2 | c3 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
| 1 | 1 | 1 | 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 | 99 | 99 | 99 |
|
||||
| NULL | NULL | NULL | 999 | 999 | 999 |
|
||||
+----+----+----+-----+-----+-----+
|
||||
|
||||
## anti
|
||||
EXPLAIN select * from t1 where not exists (select 1 from t2 where t1.c1 = t2.c1);
|
||||
Query Plan
|
||||
===============================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
---------------------------------------------------------------
|
||||
|0 |HASH RIGHT ANTI JOIN | |1 |9 |
|
||||
|1 |├─PX COORDINATOR | |2 |6 |
|
||||
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|2 |5 |
|
||||
|3 |│ └─PX PARTITION ITERATOR| |2 |5 |
|
||||
|4 |│ └─TABLE FULL SCAN |t2 |2 |5 |
|
||||
|5 |└─TABLE FULL SCAN |t1 |3 |3 |
|
||||
===============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c1 = t2.c1]), other_conds(nil)
|
||||
1 - output([t2.c1]), filter(nil), rowset=16
|
||||
2 - output([t2.c1]), filter(nil), rowset=16
|
||||
dop=1
|
||||
3 - output([t2.c1]), filter(nil), rowset=16
|
||||
force partition granule
|
||||
4 - output([t2.c1]), filter(nil), rowset=16
|
||||
access([t2.c1]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select * from t1 where not exists (select 1 from t2 where t1.c1 = t2.c1);
|
||||
+-----+-----+-----+
|
||||
| c1 | c2 | c3 |
|
||||
+-----+-----+-----+
|
||||
| 999 | 999 | 999 |
|
||||
+-----+-----+-----+
|
||||
EXPLAIN select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 partition none)*/ * from t1 where not exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
Query Plan
|
||||
=====================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
---------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |5 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|1 |4 |
|
||||
|2 | └─NESTED-LOOP ANTI JOIN | |1 |4 |
|
||||
|3 | ├─EXCHANGE IN DISTR | |3 |4 |
|
||||
|4 | │ └─EXCHANGE OUT DISTR (PKEY)|:EX10000|3 |3 |
|
||||
|5 | │ └─PX BLOCK ITERATOR | |3 |2 |
|
||||
|6 | │ └─TABLE FULL SCAN |t1 |3 |2 |
|
||||
|7 | └─MATERIAL | |2 |3 |
|
||||
|8 | └─PX PARTITION ITERATOR | |2 |3 |
|
||||
|9 | └─TABLE FULL SCAN |t2 |2 |3 |
|
||||
=====================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
2 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
conds([t1.c2 = t2.c2]), nl_params_(nil), use_batch=false
|
||||
3 - output([t1.c2], [PARTITION_ID], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
4 - output([t1.c2], [PARTITION_ID], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [t1.c2]), dop=2
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
6 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
7 - output([t2.c2]), filter(nil), rowset=16
|
||||
8 - output([t2.c2]), filter(nil), rowset=16
|
||||
affinitize
|
||||
9 - output([t2.c2]), filter(nil), rowset=16
|
||||
access([t2.c2]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 partition none)*/ * from t1 where not exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
+-----+-----+-----+
|
||||
| c1 | c2 | c3 |
|
||||
+-----+-----+-----+
|
||||
| 999 | 999 | 999 |
|
||||
+-----+-----+-----+
|
||||
EXPLAIN select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 none partition)*/ * from t1 where not exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
Query Plan
|
||||
========================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |6 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|1 |5 |
|
||||
|2 | └─SHARED HASH RIGHT ANTI JOIN | |1 |5 |
|
||||
|3 | ├─EXCHANGE IN DISTR | |2 |3 |
|
||||
|4 | │ └─EXCHANGE OUT DISTR (BC2HOST)|:EX10000|2 |3 |
|
||||
|5 | │ └─PX BLOCK ITERATOR | |2 |3 |
|
||||
|6 | │ └─TABLE FULL SCAN |t2 |2 |3 |
|
||||
|7 | └─PX BLOCK ITERATOR | |3 |2 |
|
||||
|8 | └─TABLE FULL SCAN |t1 |3 |2 |
|
||||
========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
2 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t2.c2]), filter(nil), rowset=16
|
||||
4 - output([t2.c2]), filter(nil), rowset=16
|
||||
dop=2
|
||||
5 - output([t2.c2]), filter(nil), rowset=16
|
||||
6 - output([t2.c2]), filter(nil), rowset=16
|
||||
access([t2.c2]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
7 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 none partition)*/ * from t1 where not exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
+-----+-----+-----+
|
||||
| c1 | c2 | c3 |
|
||||
+-----+-----+-----+
|
||||
| 999 | 999 | 999 |
|
||||
+-----+-----+-----+
|
||||
## semi
|
||||
EXPLAIN select * from t1 where exists (select 1 from t2 where t1.c1 = t2.c1);
|
||||
Query Plan
|
||||
===============================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
---------------------------------------------------------------
|
||||
|0 |HASH RIGHT SEMI JOIN | |2 |9 |
|
||||
|1 |├─PX COORDINATOR | |2 |6 |
|
||||
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|2 |5 |
|
||||
|3 |│ └─PX PARTITION ITERATOR| |2 |5 |
|
||||
|4 |│ └─TABLE FULL SCAN |t2 |2 |5 |
|
||||
|5 |└─TABLE FULL SCAN |t1 |3 |3 |
|
||||
===============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c1 = t2.c1]), other_conds(nil)
|
||||
1 - output([t2.c1]), filter(nil), rowset=16
|
||||
2 - output([t2.c1]), filter(nil), rowset=16
|
||||
dop=1
|
||||
3 - output([t2.c1]), filter(nil), rowset=16
|
||||
force partition granule
|
||||
4 - output([t2.c1]), filter(nil), rowset=16
|
||||
access([t2.c1]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select * from t1 where exists (select 1 from t2 where t1.c1 = t2.c1);
|
||||
+----+----+----+
|
||||
| c1 | c2 | c3 |
|
||||
+----+----+----+
|
||||
| 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 |
|
||||
+----+----+----+
|
||||
EXPLAIN select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 partition none)*/ * from t1 where exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
Query Plan
|
||||
=====================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
---------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |2 |6 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|2 |5 |
|
||||
|2 | └─NESTED-LOOP SEMI JOIN | |2 |4 |
|
||||
|3 | ├─EXCHANGE IN DISTR | |3 |4 |
|
||||
|4 | │ └─EXCHANGE OUT DISTR (PKEY)|:EX10000|3 |3 |
|
||||
|5 | │ └─PX BLOCK ITERATOR | |3 |2 |
|
||||
|6 | │ └─TABLE FULL SCAN |t1 |3 |2 |
|
||||
|7 | └─MATERIAL | |2 |3 |
|
||||
|8 | └─PX PARTITION ITERATOR | |2 |3 |
|
||||
|9 | └─TABLE FULL SCAN |t2 |2 |3 |
|
||||
=====================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
2 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
conds([t1.c2 = t2.c2]), nl_params_(nil), use_batch=false
|
||||
3 - output([t1.c2], [PARTITION_ID], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
4 - output([t1.c2], [PARTITION_ID], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [t1.c2]), dop=2
|
||||
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
6 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
7 - output([t2.c2]), filter(nil), rowset=16
|
||||
8 - output([t2.c2]), filter(nil), rowset=16
|
||||
affinitize
|
||||
9 - output([t2.c2]), filter(nil), rowset=16
|
||||
access([t2.c2]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 partition none)*/ * from t1 where exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
+----+----+----+
|
||||
| c1 | c2 | c3 |
|
||||
+----+----+----+
|
||||
| 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 |
|
||||
+----+----+----+
|
||||
EXPLAIN select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 none partition)*/ * from t1 where exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
Query Plan
|
||||
========================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |2 |7 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10001|2 |6 |
|
||||
|2 | └─SHARED HASH RIGHT SEMI JOIN | |2 |5 |
|
||||
|3 | ├─EXCHANGE IN DISTR | |2 |3 |
|
||||
|4 | │ └─EXCHANGE OUT DISTR (BC2HOST)|:EX10000|2 |3 |
|
||||
|5 | │ └─PX BLOCK ITERATOR | |2 |3 |
|
||||
|6 | │ └─TABLE FULL SCAN |t2 |2 |3 |
|
||||
|7 | └─PX BLOCK ITERATOR | |3 |2 |
|
||||
|8 | └─TABLE FULL SCAN |t1 |3 |2 |
|
||||
========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
1 - output([INTERNAL_FUNCTION(t1.c1, t1.c2, t1.c3)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
2 - output([t1.c2], [t1.c1], [t1.c3]), filter(nil), rowset=16
|
||||
equal_conds([t1.c2 = t2.c2]), other_conds(nil)
|
||||
3 - output([t2.c2]), filter(nil), rowset=16
|
||||
4 - output([t2.c2]), filter(nil), rowset=16
|
||||
dop=2
|
||||
5 - output([t2.c2]), filter(nil), rowset=16
|
||||
6 - output([t2.c2]), filter(nil), rowset=16
|
||||
access([t2.c2]), partitions(p0sp[0-1])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t2.c1], [t2.c2], [t2.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
7 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1], [t1.c2], [t1.c3]), range(MIN,MIN,MIN ; MAX,MAX,MAX)always true
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 none partition)*/ * from t1 where exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
+----+----+----+
|
||||
| c1 | c2 | c3 |
|
||||
+----+----+----+
|
||||
| 1 | 1 | 1 |
|
||||
| 99 | 99 | 99 |
|
||||
+----+----+----+
|
||||
|
||||
18
tools/deploy/mysql_test/test_suite/px/t/agg.test
Normal file
18
tools/deploy/mysql_test/test_suite/px/t/agg.test
Normal file
@ -0,0 +1,18 @@
|
||||
#owner: dachuan.sdc
|
||||
#owner group: SQL3
|
||||
# tags: optimizer
|
||||
|
||||
# test aggregation
|
||||
|
||||
--source mysql_test/test_suite/px/include/exam_data.inc
|
||||
|
||||
# 计算全年级平均分，最高分，最低分
|
||||
explain select /*+ USE_PX parallel(2) */ subject, avg(score), max(score), min(score) from score group by subject;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(2) */ subject, avg(score), max(score), min(score) from score group by subject;
|
||||
|
||||
# 计算各个班级平均分，最高分，最低分
|
||||
explain select /*+ USE_PX parallel(2) */ cls, subject, avg(score), max(score), min(score) from score join stu using (sid) group by cls, subject;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(2) */ cls, subject, avg(score), max(score), min(score) from score join stu using (sid) group by cls, subject;
|
||||
|
||||
@ -1,289 +0,0 @@
|
||||
--disable_query_log
|
||||
set @@session.explicit_defaults_for_timestamp=off;
|
||||
--enable_query_log
|
||||
# owner: xiaochu.yh
|
||||
# owner group: sql2
|
||||
# 测试 dml 查询部分打开px
|
||||
# tags: dml, px, optimizer
|
||||
# dml查询部分打开px，必须使用 USE_PX hint
|
||||
--result_format 4
|
||||
--disable_warnings
|
||||
drop table if exists t_s,t_p,t_p4,t_no_p,t_temp_s,t_temp_p,t_temp_p4,t_temp_p5;
|
||||
|
||||
create table t_s(c1 int primary key, c2 int ,c3 int);
|
||||
create table t_p(c1 int primary key, c2 int ,c3 int) partition by hash(c1) partitions 4;
|
||||
create table t_p4(c1 int primary key, c2 int ,c3 int) partition by hash(c1) partitions 4;
|
||||
create table t_no_p(c1 int, c2 int ,c3 int) partition by hash(c1) partitions 4;
|
||||
create table t_temp_s(c1 int, c2 int, c3 int);
|
||||
create table t_temp_p(c1 int, c2 int ,c3 int) partition by hash(c1) partitions 4;
|
||||
create table t_temp_p4(c1 int, c2 int ,c3 int) partition by hash(c1) partitions 4;
|
||||
create table t_temp_p5(c1 int, c2 int ,c3 int) partition by hash(c1) partitions 5;
|
||||
|
||||
## delete测试
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
# 非分区表，parallel不大于1，不启用px
|
||||
explain basic delete /*+no_use_px*/ from t_s;
|
||||
explain basic delete /*+use_px*/ from t_s;
|
||||
delete /*+use_px*/ from t_s;
|
||||
select * from t_s order by c1;
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
# 非分区表，parallel大于1，启用px
|
||||
explain basic delete /*+use_px, parallel(10)*/ from t_s;
|
||||
delete /*+use_px, parallel(10)*/ from t_s;
|
||||
select * from t_s order by c1;
|
||||
|
||||
# 分区表测试
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic delete /*+no_use_px,parallel(10)*/ from t_p;
|
||||
explain basic delete /*+use_px,parallel(10)*/ from t_p;
|
||||
delete /*+use_px,parallel(10)*/ from t_p;
|
||||
select * from t_p order by c1;
|
||||
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic delete /*+no_use_px,parallel(10)*/ from t_p where c1 >= 5;
|
||||
explain basic delete /*+use_px,parallel(10)*/ from t_p where c1 >= 5;
|
||||
delete /*+use_px,parallel(10)*/ from t_p where c1 >= 5;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic delete /*+use_px*/ from t_p where c1 = 5;
|
||||
explain basic delete /*+use_px,parallel(10)*/ from t_p where c1 = 5;
|
||||
explain basic delete /*+no_use_px,parallel(10)*/ from t_p where c1 = 5;
|
||||
delete /*+use_px,parallel(10)*/ from t_p where c1 = 5;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
# partition wise join
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
insert into t_p4(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
call dbms_stats.gather_table_stats('test','t_p4');
|
||||
explain basic delete /*+no_use_px, use_nl(t_p,t_p4), parallel(10)*/ t_p from t_p,t_p4 where t_p.c1 = t_p4.c1 and t_p.c1 >= 5;
|
||||
explain basic delete /*+use_px, parallel(10)*/ t_p from t_p,t_p4 where t_p.c1 = t_p4.c1 and t_p.c1 >= 5;
|
||||
delete /*+use_px, parallel(10)*/ t_p from t_p,t_p4 where t_p.c1 = t_p4.c1 and t_p.c1 >= 5;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
# 非 partition wise join，会经过pkey，形成回退的multi part计划
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
# 存在pkey，计划回退成multi part
|
||||
explain basic delete /*+no_use_px, parallel(10)*/ t_p from t_p,t_p4 where t_p.c1 = t_p4.c2 and t_p.c1 >= 5;
|
||||
explain basic delete /*+use_px, parallel(10)*/ t_p from t_p,t_p4 where t_p.c1 = t_p4.c2 and t_p.c1 >= 5;
|
||||
delete /*+use_px, parallel(10)*/ t_p from t_p,t_p4 where t_p.c1 = t_p4.c2 and t_p.c1 >= 5;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
# 多表删除
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic delete /*+no_use_px,parallel(10) LEADING(t_s t_p) USE_NL(t_p) PQ_DISTRIBUTE(t_p NONE BROADCAST ) */ t_s,t_p from t_s,t_p;
|
||||
explain basic delete /*+use_px,parallel(10) LEADING(t_s t_p) USE_NL(t_p) PQ_DISTRIBUTE(t_p NONE BROADCAST ) */ t_s,t_p from t_s,t_p;
|
||||
delete /*+use_px,parallel(10)*/ t_s,t_p from t_s,t_p;
|
||||
select * from t_p order by c1;
|
||||
select * from t_s order by c1;
|
||||
|
||||
# 删除非分区表或者单分区（开启分区内并行，但是DML仍然是非multi part）
|
||||
# 删除非分区表
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic delete /*+no_use_px, parallel(10)*/ t_s from t_s,t_p where t_p.c1 = t_s.c1;
|
||||
explain basic delete /*+use_px, parallel(10),leading(t_s,t_p),pq_distribute(t_p,none,broadcast)*/ t_s from t_s,t_p where t_p.c1 = t_s.c1;
|
||||
delete /*+use_px, parallel(10),leading(t_s,t_p),pq_distribute(t_p,none,broadcast)*/ t_s from t_s,t_p where t_p.c1 = t_s.c1;
|
||||
select * from t_s order by c1;
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic delete /*+use_px, parallel(10)*/ t_s from t_s,t_p where t_p.c1 = t_s.c1;
|
||||
delete /*+use_px, parallel(10)*/ t_s from t_s,t_p where t_p.c1 = t_s.c1;
|
||||
select * from t_s order by c1;
|
||||
|
||||
# 删除分区表的一个分区
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic delete /*+no_use_px, parallel(10)*/ t_p from t_s,t_p where t_p.c1 = t_s.c1 and t_p.c1 = 1;
|
||||
# dop小于2，单分区，不会产生非PX计划
|
||||
explain basic delete /*+use_px, parallel(1)*/ t_p from t_s,t_p where t_p.c1 = t_s.c1 and t_p.c1 = 1;
|
||||
explain basic delete /*+use_px, parallel(10)*/ t_p from t_s,t_p where t_p.c1 = t_s.c1 and t_p.c1 = 1;
|
||||
delete /*+use_px, parallel(10)*/ t_p from t_s,t_p where t_p.c1 = t_s.c1 and t_p.c1 = 1;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
delete from t_s;
|
||||
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic delete /*+no_use_px, parallel(10)*/ t_p from t_p4,t_p where t_p.c1 = t_p4.c2 and t_p4.c2 = 4;
|
||||
# dop = 1， 针对单分区，不会启用分区内并行，所有t_p所对应的分区location是local（c模式），remote（slave模式）
|
||||
# 在c模式下会产生local+local的计划，在slave模式下remote+remote，并且分配了EX，变为multi part计划
|
||||
explain basic delete /*+use_px, parallel(1)*/ t_p from t_p4,t_p where t_p.c1 = t_p4.c2 and t_p4.c2 = 4;
|
||||
delete /*+use_px, parallel(1)*/ t_p from t_p4,t_p where t_p.c1 = t_p4.c2 and t_p4.c2 = 4;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic delete /*+use_px, parallel(10)*/ t_p from t_p4,t_p where t_p.c1 = t_p4.c2 and t_p4.c2 = 4;
|
||||
delete /*+use_px, parallel(10)*/ t_p from t_p4,t_p where t_p.c1 = t_p4.c2 and t_p4.c2 = 4;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
delete from t_p4;
|
||||
|
||||
|
||||
## update测试
|
||||
# 非分区表，parallel大于1，启用px
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic update /*+no_use_px, parallel(10)*/ t_s set t_s.c2 = 20 where t_s.c1 >= 5;
|
||||
explain basic update /*+use_px, parallel(10)*/ t_s set t_s.c2 = 20 where t_s.c1 >= 5;
|
||||
update /*+use_px, parallel(10)*/ t_s set t_s.c2 = 20 where t_s.c1 >=5;
|
||||
select * from t_s order by c1;
|
||||
delete from t_s;
|
||||
|
||||
# 更新主键
|
||||
insert into t_s(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic update /*+no_use_px, parallel(10)*/ t_s set t_s.c1 = 20 where t_s.c2 = 5;
|
||||
explain basic update /*+use_px, parallel(10)*/ t_s set t_s.c1 = 20 where t_s.c2 = 5;
|
||||
update /*+use_px, parallel(10)*/ t_s set t_s.c1 = 20 where t_s.c2 = 5;
|
||||
select * from t_s order by c1;
|
||||
delete from t_s;
|
||||
|
||||
# 分区表
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic update /*+no_use_px, parallel(10)*/ t_p set t_p.c3 = 20 where t_p.c1 >= 5;
|
||||
explain basic update /*+use_px, parallel(10)*/ t_p set t_p.c3 = 20 where t_p.c1 >= 5;
|
||||
update /*+use_px, parallel(10)*/ t_p set t_p.c3 = 20 where t_p.c1 >= 5;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic update /*+no_use_px, parallel(10)*/ t_p set t_p.c1 = 20 where t_p.c1 = 5;
|
||||
explain basic update /*+use_px, parallel(10)*/ t_p set t_p.c1 = 20 where t_p.c1 = 5;
|
||||
update /*+use_px, parallel(10)*/ t_p set t_p.c1 = 20 where t_p.c1 = 5;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
insert into t_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic update /*+no_use_px, parallel(10)*/ t_p as pp set pp.c3 = 20 where pp.c1 >= 5;
|
||||
explain basic update /*+use_px, parallel(10)*/ t_p as pp set pp.c3 = 20 where pp.c1 >= 5;
|
||||
update /*+use_px, parallel(10)*/ t_p as pp set pp.c3 = 20 where pp.c1 >= 5;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
# 跟新无主键表
|
||||
insert into t_no_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
call dbms_stats.gather_table_stats('test','t_no_p');
|
||||
explain basic update /*+no_use_px, parallel(10)*/ t_no_p set t_no_p.c1 = 20 where t_no_p.c1 >= 5;
|
||||
explain basic update /*+use_px, parallel(10)*/ t_no_p set t_no_p.c1 = 20 where t_no_p.c1 >= 5;
|
||||
update /*+use_px, parallel(10)*/ t_no_p set t_no_p.c1 = 20 where t_no_p.c1 >= 5;
|
||||
select * from t_no_p order by c2;
|
||||
delete from t_no_p;
|
||||
|
||||
## insert测试：insert插入的表是local的非分区表/单分区的计划是非multi part，其他都是multi part计划
|
||||
## insert不会出现GI算子在insert算子头上的计划
|
||||
insert into t_temp_p(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
insert into t_temp_s(c1,c3) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
insert into t_temp_p4(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
insert into t_temp_p5(c1,c2) values(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
|
||||
|
||||
explain basic insert /*+no_use_px*/ into t_s select * from t_temp_s;
|
||||
explain basic insert /*+use_px*/ into t_s select * from t_temp_s;
|
||||
insert /*+use_px*/ into t_s select * from t_temp_s;
|
||||
select * from t_s order by c1;
|
||||
delete from t_s;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_temp_p');
|
||||
call dbms_stats.gather_table_stats('test','t_temp_s');
|
||||
call dbms_stats.gather_table_stats('test','t_temp_p4');
|
||||
call dbms_stats.gather_table_stats('test','t_temp_p5');
|
||||
explain basic insert /*+no_use_px,parallel(10)*/ into t_s select * from t_temp_s;
|
||||
explain basic insert /*+use_px,parallel(10)*/ into t_s select * from t_temp_s;
|
||||
insert /*+use_px,parallel(10)*/ into t_s select * from t_temp_s;
|
||||
select * from t_s order by c1;
|
||||
delete from t_s;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_temp_p');
|
||||
call dbms_stats.gather_table_stats('test','t_temp_s');
|
||||
call dbms_stats.gather_table_stats('test','t_temp_p4');
|
||||
call dbms_stats.gather_table_stats('test','t_temp_p5');
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic insert /*+no_use_px,parallel(10)*/ into t_s select * from t_temp_p where t_temp_p.c2 >= 5;
|
||||
explain basic insert /*+use_px,parallel(10)*/ into t_s select * from t_temp_p where t_temp_p.c2 >= 5;
|
||||
insert /*+use_px,parallel(10)*/ into t_s select * from t_temp_p where t_temp_p.c2 >= 5;
|
||||
select * from t_s order by c1;
|
||||
delete from t_s;
|
||||
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_s');
|
||||
explain basic insert /*+no_use_px,parallel(10)*/ into t_s select t_temp_p.c1,t_temp_p.c2,t_temp_s.c3 from t_temp_p,t_temp_s where t_temp_p.c1 = t_temp_s.c1;
|
||||
explain basic insert /*+use_px,parallel(10)*/ into t_s select t_temp_p.c1,t_temp_p.c2,t_temp_s.c3 from t_temp_p,t_temp_s where t_temp_p.c1 = t_temp_s.c1;
|
||||
insert /*+use_px,parallel(10)*/ into t_s select t_temp_p.c1,t_temp_p.c2,t_temp_s.c3 from t_temp_p,t_temp_s where t_temp_p.c1 = t_temp_s.c1;
|
||||
select * from t_s order by c1;
|
||||
delete from t_s;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
# 插入多分区表
|
||||
explain basic insert /*+no_use_px,parallel(10)*/ into t_p select * from t_temp_s;
|
||||
explain basic insert /*+use_px,parallel(10)*/ into t_p select * from t_temp_s;
|
||||
insert /*+use_px,parallel(10)*/ into t_p select * from t_temp_s;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic insert /*+no_use_px,parallel(10)*/ into t_p select * from t_temp_p;
|
||||
explain basic insert /*+use_px,parallel(10)*/ into t_p select * from t_temp_p;
|
||||
insert /*+use_px,parallel(10)*/ into t_p select * from t_temp_p;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic insert /*+no_use_px, parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_p.c3 from t_temp_p,t_temp_p5 where t_temp_p.c1 = t_temp_p5.c1;
|
||||
explain basic insert /*+use_px, parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_p.c3 from t_temp_p,t_temp_p5 where t_temp_p.c1 = t_temp_p5.c1;
|
||||
insert /*+use_px, parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_p.c3 from t_temp_p,t_temp_p5 where t_temp_p.c1 = t_temp_p5.c1;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic insert /*+use_px, parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_p.c3 from t_temp_p,t_temp_p5 where t_temp_p.c1 = t_temp_p5.c1 and t_temp_p.c1 = 3;
|
||||
insert /*+use_px, parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_p.c3 from t_temp_p,t_temp_p5 where t_temp_p.c1 = t_temp_p5.c1 and t_temp_p.c1 = 3;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
# full partition wise join insert
|
||||
explain basic insert /*+use_px, parallel(10)*/ into t_p select t_temp_p.c1, t_temp_p.c2, t_temp_p.c3 from t_temp_p, t_temp_p4 where t_temp_p.c1 = t_temp_p4.c1;
|
||||
insert /*+use_px, parallel(10)*/ into t_p select t_temp_p.c1, t_temp_p.c2, t_temp_p.c3 from t_temp_p, t_temp_p4 where t_temp_p.c1 = t_temp_p4.c1;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
explain basic insert /*+no_use_px,parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_s.c3 from t_temp_p,t_temp_s where t_temp_p.c1 = t_temp_s.c1;
|
||||
explain basic insert /*+use_px,parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_s.c3 from t_temp_p,t_temp_s where t_temp_p.c1 = t_temp_s.c1;
|
||||
insert /*+use_px,parallel(10)*/ into t_p select t_temp_p.c1,t_temp_p.c2,t_temp_s.c3 from t_temp_p,t_temp_s where t_temp_p.c1 = t_temp_s.c1;
|
||||
select * from t_p order by c1;
|
||||
delete from t_p;
|
||||
call dbms_stats.gather_table_stats('test','t_p');
|
||||
|
||||
## replace / insert on duplicate 计划
|
||||
## 目前replace / insert on duplicate计划是不支持PX
|
||||
explain basic replace /*+use_px,parallel(10)*/ into t_p select * from t_temp_p;
|
||||
explain basic insert /*+use_px,parallel(10)*/ into t_p select * from t_temp_p on duplicate key update c3 = 2;
|
||||
|
||||
|
||||
# 清理测试
|
||||
drop table if exists t_s,t_p,t_p4,t_no_p,t_temp_s,t_temp_p,t_temp_p4,t_temp_p5;
|
||||
16
tools/deploy/mysql_test/test_suite/px/t/join_hash.test
Normal file
16
tools/deploy/mysql_test/test_suite/px/t/join_hash.test
Normal file
@ -0,0 +1,16 @@
|
||||
#owner: dachuan.sdc
|
||||
#owner group: SQL3
|
||||
# tags: optimizer
|
||||
|
||||
--source mysql_test/test_suite/px/include/exam_data.inc
|
||||
|
||||
## hash - hash dist,hash dist
|
||||
explain select /*+ USE_PX parallel(2) */ * from score, teacher where teacher.subject = score.subject;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(2) */ * from score, teacher where teacher.subject = score.subject;
|
||||
|
||||
# 老师名下的年级考试平均分, hash dist, hash join, hash group by
|
||||
explain select /*+ USE_PX parallel(2) */ teacher.name, teacher.subject, avg(score) from score, teacher where teacher.subject = score.subject group by teacher.name, teacher.subject;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(2) */ teacher.name, teacher.subject, avg(score) from score, teacher where teacher.subject = score.subject group by teacher.name, teacher.subject;
|
||||
|
||||
93
tools/deploy/mysql_test/test_suite/px/t/tsc.test
Normal file
93
tools/deploy/mysql_test/test_suite/px/t/tsc.test
Normal file
@ -0,0 +1,93 @@
|
||||
#owner: dachuan.sdc
|
||||
#owner group: SQL3
|
||||
# tags: optimizer
|
||||
|
||||
--disable_query_log
|
||||
connect (obsys, $OBMYSQL_MS0, admin, $OBMYSQL_PWD, test, $OBMYSQL_PORT);
|
||||
connection obsys;
|
||||
|
||||
set global ob_sql_work_area_percentage = 100;
|
||||
sleep 10;
|
||||
--enable_query_log
|
||||
--source mysql_test/test_suite/px/include/exam_data.inc
|
||||
|
||||
## 测试不同并行度下的全表扫描
|
||||
--sorted_result
|
||||
select * from stu;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(2) */ * from stu;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(6) */ * from stu;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(18) */ * from stu;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(28) */ name, cls from stu;
|
||||
|
||||
--sorted_result
|
||||
select * from teacher;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(2) */ * from teacher;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(6) */ * from teacher;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(8) */ * from teacher;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(18) */ name from teacher;
|
||||
|
||||
--sorted_result
|
||||
select * from score;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(2) */ * from score;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(6) */ * from score;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(8) */ * from score;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(18) */ score, sid from score;
|
||||
|
||||
|
||||
|
||||
# 测试全表扫，范围扫，分区裁剪扫
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(3) */ * from score where score > 60 and score < 90;
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(3) */ * from score where score > 60 and score < 90 and subject = 'MA';
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(3) */ * from score where score > 60 and score < 90 and subject IN ('MA', 'EN', 'HIS');
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(3) */ * from score where sid >=20 and sid <= 40 and score > 60 and score < 90 and subject IN ('MA', 'EN', 'HIS');
|
||||
--sorted_result
|
||||
select /*+ USE_PX parallel(3) */ * from score where sid IN (41, 51) and score > 60 and score < 90 and subject IN ('MA', 'EN', 'HIS');
|
||||
|
||||
|
||||
|
||||
# 测试 merge sort receive
|
||||
explain select /*+ USE_PX parallel(2) */ * from stu order by name desc;
|
||||
select /*+ USE_PX parallel(2) */ * from stu order by name desc;
|
||||
select /*+ USE_PX parallel(2) */ * from stu order by name;
|
||||
|
||||
# 测试 limit push down
|
||||
explain select /*+ USE_PX parallel(2) */ * from stu order by name limit 3;
|
||||
select /*+ USE_PX parallel(2) */ * from stu order by name limit 3;
|
||||
|
||||
|
||||
##
|
||||
## SEArray自动扩容失败
|
||||
create table t11 (c1 int, c2 int, c3 int, c4 int) partition by hash(c1);
|
||||
|
||||
select /*+use_px parallel(2) read_consistency(weak) */ t0.c1 from (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t0 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t1 on t0.c1=t1.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t2 on t0.c1=t2.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t3 on t0.c1=t3.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t4 on t0.c1=t4.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t5 on t0.c1=t5.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t6 on t0.c1=t6.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t7 on t0.c1=t7.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t8 on t0.c1=t8.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t9 on t0.c1=t9.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t10 on t0.c1=t10.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t11 on t0.c1=t11.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t12 on t0.c1=t12.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t13 on t0.c1=t13.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t14 on t0.c1=t14.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t15 on t0.c1=t15.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t16 on t0.c1=t16.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t17 on t0.c1=t17.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t18 on t0.c1=t18.c1 join (select c1,c2 from t11 where t11.c1 BETWEEN 1000000000000001 and 1000000000000500) t19 on t0.c1=t19.c1;
|
||||
|
||||
--echo
|
||||
# bug:
|
||||
--disable_warnings
|
||||
drop table if exists t1;
|
||||
--enable_warnings
|
||||
create table t1(c1 int primary key, c2 varchar(10)) partition by hash(c1) partitions 2;
|
||||
insert into t1 values(1, 'aaa'),(2,'bbb');
|
||||
explain basic select * from t1 where c2 not in('', 'xxx');
|
||||
select * from t1 where c2 not in('', 'xxx');
|
||||
|
||||
--disable_query_log
|
||||
set global ob_sql_work_area_percentage = 5;
|
||||
|
||||
disconnect obsys;
|
||||
@ -0,0 +1,79 @@
|
||||
--disable_query_log
|
||||
set @@session.explicit_defaults_for_timestamp=off;
|
||||
--enable_query_log
|
||||
#owner: dachuan.sdc
|
||||
#owner group: sql3
|
||||
# tags: optimizer
|
||||
--disable_query_log
|
||||
set @@session.explicit_defaults_for_timestamp=off;
|
||||
--enable_query_log
|
||||
|
||||
--result_format 4
|
||||
--explain_protocol 2
|
||||
|
||||
--disable_warnings
|
||||
drop database if exists muhangtest;
|
||||
create database muhangtest;
|
||||
use muhangtest;
|
||||
--enable_warnings
|
||||
|
||||
--disable_warnings
|
||||
drop table if exists xy_t1, xy_t2;
|
||||
--enable_warnings
|
||||
|
||||
#create table t1(c1 int(11) not null, c2 int(11) not null, c3 int(11) not null, primary key (c1, c2, c3)) partition by hash(c2)
|
||||
#subpartition by range columns(c2) subpartition template( subpartition sp_00 values less than (45), subpartition sp_01 values less than (100), subpartition sp_02 values less than (1000));
|
||||
|
||||
create table t2(c1 int(11) not null, c2 int(11) not null, c3 int(11) not null, primary key (c1, c2, c3)) partition by hash(c2)
|
||||
subpartition by range columns(c2) subpartition template( subpartition sp_00 values less than (45), subpartition sp_01 values less than (100));
|
||||
|
||||
--disable_query_log
|
||||
--disable_result_log
|
||||
insert into t2 values(1,1,1);
|
||||
insert into t2 values(99,99,99);
|
||||
--sleep 1
|
||||
--enable_result_log
|
||||
--enable_query_log
|
||||
|
||||
--enable_sorted_result
|
||||
|
||||
## left outer join
|
||||
## OB bug
|
||||
##select * from t1 left join t2 on t1.c2 = t1.c2;
|
||||
|
||||
create table t1 (c1 int(11) not null, c2 int(11) not null, c3 int(11) not null, primary key (c1, c2, c3)) ;
|
||||
--disable_query_log
|
||||
--disable_result_log
|
||||
insert into t1 values(1,1,1);
|
||||
insert into t1 values(99,99,99);
|
||||
insert into t1 values(999,999,999);
|
||||
--sleep 1
|
||||
--enable_result_log
|
||||
--enable_query_log
|
||||
|
||||
##原始结果
|
||||
select /*+use_px parallel(4) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
|
||||
##left outer join
|
||||
select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t1 left join t2 on t1.c2 = t2.c2;
|
||||
##right outer join
|
||||
select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t2 right join t1 on t1.c2 = t2.c2;
|
||||
select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t2 right join t1 on t1.c2 = t2.c2;
|
||||
##full outer join
|
||||
select /*+use_px parallel(4) pq_distribute(t1 partition none) */ * from t2 full join t1 on t1.c2 = t2.c2;
|
||||
select /*+use_px parallel(4) pq_distribute(t1 none partition) */ * from t2 full join t1 on t1.c2 = t2.c2;
|
||||
|
||||
## anti
|
||||
select * from t1 where not exists (select 1 from t2 where t1.c1 = t2.c1);
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 partition none)*/ * from t1 where not exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 none partition)*/ * from t1 where not exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
## semi
|
||||
select * from t1 where exists (select 1 from t2 where t1.c1 = t2.c1);
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 partition none)*/ * from t1 where exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
select /*+ use_px parallel(2) LEADING(t1, t2) USE_NL(t1, t2) pq_distribute(t2 none partition)*/ * from t1 where exists (select 1 from t2 where t1.c2 = t2.c2);
|
||||
|
||||
#--disable_warnings
|
||||
#drop database if exists muhangtest;
|
||||
#--enable_warnings
|
||||
|
||||
Reference in New Issue
Block a user