2030 lines
167 KiB
Plaintext
2030 lines
167 KiB
Plaintext
drop table if exists t1;
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drop table if exists t2;
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drop table if exists t3;
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create table t1 (c1 int primary key, c2 int, c3 varchar(32)) partition by hash(c1) partitions 2;
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insert into t1 values(1,1,1),(3,3,3),(5,5,5),(7,7,7),(9,9,9),(11,11,11),(13,13,13),(15,15,15),(17,17,17),(19,19,19);
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insert into t1 values(31,1,1),(33,3,3),(35,5,5),(37,7,7),(39,9,9),(41,11,11),(43,13,13),(45,15,15),(47,17,17),(49,19,19);
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insert into t1 values(2,2,2),(4,4,4),(6,6,6),(8,8,8),(10,10,10),(12,12,12),(14,14,14),(16,16,16),(18,18,18),(20,20,20);
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insert into t1 values(32,2,2),(34,4,4),(36,6,6),(38,8,8),(40,10,10),(42,12,12),(44,14,14),(46,16,16),(48,18,18),(50,20,20);
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create table t2 (c1 int primary key, c2 int, c3 varchar(32)) partition by hash(c1) partitions 2;
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create table t3 (c1 int primary key, c2 int, c3 varchar(32)) partition by hash(c1) partitions 2;
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insert into t2 values(2,2,2),(4,4,4),(6,6,6),(8,8,8),(10,10,10),(12,12,12),(14,14,14),(16,16,16),(18,18,18),(20,20,20),(22,22,22);
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select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 limit 5;
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avg(c1) avg(c2) avg(c3)
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17.0000 2.0000 2
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19.0000 4.0000 4
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21.0000 6.0000 6
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23.0000 8.0000 8
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16.0000 1.0000 1
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1);
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avg(c1) avg(c2) avg(c3)
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16.0000 1.0000 1
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17.0000 2.0000 2
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18.0000 3.0000 3
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19.0000 4.0000 4
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20.0000 5.0000 5
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21.0000 6.0000 6
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22.0000 7.0000 7
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23.0000 8.0000 8
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24.0000 9.0000 9
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 order by avg(c1) limit 5;
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avg(c1) avg(c2) avg(c3)
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20.0000 5.0000 5
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5 for update nowait;
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avg(c1) avg(c2) avg(c3)
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16.0000 1.0000 1
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17.0000 2.0000 2
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18.0000 3.0000 3
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19.0000 4.0000 4
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20.0000 5.0000 5
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
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avg(c1) avg(c2) avg(c3)
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16.0000 1.0000 1
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17.0000 2.0000 2
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18.0000 3.0000 3
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19.0000 4.0000 4
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20.0000 5.0000 5
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ sql_calc_found_rows avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
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avg(c2) avg(c3)
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1.0000 1
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2.0000 2
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3.0000 3
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4.0000 4
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5.0000 5
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by (select c1 from t1 where c2 = 1 and c1 !=1) limit 5;
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avg(c1) avg(c2) avg(c3)
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17.0000 2.0000 2
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19.0000 4.0000 4
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21.0000 6.0000 6
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23.0000 8.0000 8
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16.0000 1.0000 1
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ distinct avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
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avg(c1) avg(c2) avg(c3)
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16.0000 1.0000 1
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17.0000 2.0000 2
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18.0000 3.0000 3
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19.0000 4.0000 4
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20.0000 5.0000 5
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ sum(c1), avg(c2), group_concat(c3, c1) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
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sum(c1) avg(c2) group_concat(c3, c1)
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32 1.0000 11,131
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34 2.0000 22,232
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36 3.0000 33,333
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38 4.0000 44,434
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40 5.0000 55,535
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from (select * from t1 where c2 <10) as a group by a.c2 order by avg(a.c1) limit 5;
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avg(c1) avg(c2) avg(c3)
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16.0000 1.0000 1
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17.0000 2.0000 2
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18.0000 3.0000 3
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19.0000 4.0000 4
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20.0000 5.0000 5
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(20 6)*/ distinct avg(t1.c1), avg(t1.c2), avg(t1.c3) from t1 , t2 group by t1.c2 order by avg(t1.c1) limit 5;
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avg(t1.c1) avg(t1.c2) avg(t1.c3)
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16.0000 1.0000 1
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17.0000 2.0000 2
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18.0000 3.0000 3
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19.0000 4.0000 4
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20.0000 5.0000 5
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 2) use_hash_aggregation*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by c3 limit 1;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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1 16.0000 2 34 2 1 31 1.0000 0.0625
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 2) use_hash_aggregation*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by "aaa" limit 1;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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2 17.0000 4 38 2 2 32 2.0000 0.11764705882352941
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(90 2) use_hash_aggregation*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <30 group by c2 order by c3 limit 10;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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1 16.0000 2 34 2 1 31 1.0000 0.0625
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10 25.0000 20 70 2 10 40 10.0000 0.4
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11 26.0000 22 74 2 11 41 11.0000 0.4230769230769231
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12 27.0000 24 78 2 12 42 12.0000 0.4444444444444444
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13 28.0000 26 82 2 13 43 13.0000 0.4642857142857143
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14 29.0000 28 86 2 14 44 14.0000 0.4827586206896552
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15 30.0000 30 90 2 15 45 15.0000 0.5
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16 31.0000 32 94 2 16 46 16.0000 0.5161290322580645
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17 32.0000 34 98 2 17 47 17.0000 0.53125
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18 33.0000 36 102 2 18 48 18.0000 0.5454545454545454
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by c3 limit 1;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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1 16.0000 2 34 2 1 31 1.0000 0.0625
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by c3 limit 1 offset 4;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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3 18.0000 6 42 2 3 33 3.0000 0.16666666666666666
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by c3 limit 1 offset 1000;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by c2 limit 1;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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1 16.0000 2 34 2 1 31 1.0000 0.0625
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by c3 limit 0;
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c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c2, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3), sum(c1)/sum(c2) limit 5;
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c2 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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1 16.0000 2 34 2 1 31 1.0000 0.0625
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2 17.0000 4 38 2 2 32 2.0000 0.11764705882352941
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3 18.0000 6 42 2 3 33 3.0000 0.16666666666666666
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4 19.0000 8 46 2 4 34 4.0000 0.21052631578947367
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5 20.0000 10 50 2 5 35 5.0000 0.25
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c1, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)/sum(c2) limit 5;
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c1 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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9 24.0000 18 66 2 9 39 9.0000 0.375
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8 23.0000 16 62 2 8 38 8.0000 0.34782608695652173
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7 22.0000 14 58 2 7 37 7.0000 0.3181818181818182
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6 21.0000 12 54 2 6 36 6.0000 0.2857142857142857
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5 20.0000 10 50 2 5 35 5.0000 0.25
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ c2, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)/sum(c2) + avg(c2) limit 5;
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c2 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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9 24.0000 18 66 2 9 39 9.0000 0.375
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8 23.0000 16 62 2 8 38 8.0000 0.34782608695652173
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7 22.0000 14 58 2 7 37 7.0000 0.3181818181818182
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6 21.0000 12 54 2 6 36 6.0000 0.2857142857142857
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5 20.0000 10 50 2 5 35 5.0000 0.25
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 1)*/ avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
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avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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24.0000 18 66 2 9 39 9.0000 0.375
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23.0000 16 62 2 8 38 8.0000 0.34782608695652173
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22.0000 14 58 2 7 37 7.0000 0.3181818181818182
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21.0000 12 54 2 6 36 6.0000 0.2857142857142857
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20.0000 10 50 2 5 35 5.0000 0.25
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(0 0)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
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c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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11 22 74 2 11 41 11.0000 0.4230769230769231
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10 20 70 2 10 40 10.0000 0.4
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9 18 66 2 9 39 9.0000 0.375
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8 16 62 2 8 38 8.0000 0.34782608695652173
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7 14 58 2 7 37 7.0000 0.3181818181818182
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(0 10)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
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c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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11 22 74 2 11 41 11.0000 0.4230769230769231
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10 20 70 2 10 40 10.0000 0.4
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9 18 66 2 9 39 9.0000 0.375
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8 16 62 2 8 38 8.0000 0.34782608695652173
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7 14 58 2 7 37 7.0000 0.3181818181818182
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(50 0)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
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c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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11 22 74 2 11 41 11.0000 0.4230769230769231
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10 20 70 2 10 40 10.0000 0.4
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9 18 66 2 9 39 9.0000 0.375
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8 16 62 2 8 38 8.0000 0.34782608695652173
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7 14 58 2 7 37 7.0000 0.3181818181818182
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(10000 1)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
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c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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11 22 74 2 11 41 11.0000 0.4230769230769231
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10 20 70 2 10 40 10.0000 0.4
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9 18 66 2 9 39 9.0000 0.375
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8 16 62 2 8 38 8.0000 0.34782608695652173
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7 14 58 2 7 37 7.0000 0.3181818181818182
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select /*+topk(1 10000)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
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c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1)
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11 22 74 2 11 41 11.0000 0.4230769230769231
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10 20 70 2 10 40 10.0000 0.4
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9 18 66 2 9 39 9.0000 0.375
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8 16 62 2 8 38 8.0000 0.34782608695652173
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7 14 58 2 7 37 7.0000 0.3181818181818182
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select @@is_result_accurate;
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@@is_result_accurate
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1
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select * from (select /*+topk(0 4)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 5) as a;
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avg(c1)
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16.0000
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17.0000
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18.0000
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19.0000
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20.0000
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select c1 from t1 where c1 < any (select /*+topk(0 4)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 5);
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c1
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2
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4
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6
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8
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10
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12
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14
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16
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18
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1
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3
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|
5
|
|
7
|
|
9
|
|
11
|
|
13
|
|
15
|
|
17
|
|
19
|
|
(select /*+topk(0 4)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 5) union (select /*+topk(0 10)*/ sum(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 7);
|
|
avg(c1)
|
|
16.0000
|
|
17.0000
|
|
18.0000
|
|
19.0000
|
|
20.0000
|
|
32.0000
|
|
34.0000
|
|
36.0000
|
|
38.0000
|
|
40.0000
|
|
42.0000
|
|
44.0000
|
|
select c1 from t1 where (select /*+topk(0 10)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 1) > 1 ;
|
|
c1
|
|
2
|
|
4
|
|
6
|
|
8
|
|
10
|
|
12
|
|
14
|
|
16
|
|
18
|
|
20
|
|
32
|
|
34
|
|
36
|
|
38
|
|
40
|
|
42
|
|
44
|
|
46
|
|
48
|
|
50
|
|
1
|
|
3
|
|
5
|
|
7
|
|
9
|
|
11
|
|
13
|
|
15
|
|
17
|
|
19
|
|
31
|
|
33
|
|
35
|
|
37
|
|
39
|
|
41
|
|
43
|
|
45
|
|
47
|
|
49
|
|
select * from (select /*+topk(10 5)*/ c3, c1, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 group by c2 order by c3 limit 7) as a left join t2 on a.c1 = t2.c1 left join t3 on t3.c1 = a.c1 order by a.c3;
|
|
c3 c1 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) c1 c2 c3 c1 c2 c3
|
|
1 1 16.0000 2 34 2 1 31 1.0000 0.0625 NULL NULL NULL NULL NULL NULL
|
|
10 10 25.0000 20 70 2 10 40 10.0000 0.4 10 10 10 NULL NULL NULL
|
|
11 11 26.0000 22 74 2 11 41 11.0000 0.4230769230769231 NULL NULL NULL NULL NULL NULL
|
|
12 12 27.0000 24 78 2 12 42 12.0000 0.4444444444444444 12 12 12 NULL NULL NULL
|
|
13 13 28.0000 26 82 2 13 43 13.0000 0.4642857142857143 NULL NULL NULL NULL NULL NULL
|
|
14 14 29.0000 28 86 2 14 44 14.0000 0.4827586206896552 14 14 14 NULL NULL NULL
|
|
15 15 30.0000 30 90 2 15 45 15.0000 0.5 NULL NULL NULL NULL NULL NULL
|
|
explain basic select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 limit 5;
|
|
Query Plan
|
|
===================================================
|
|
|ID|OPERATOR |NAME |
|
|
---------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─LIMIT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|7 | └─HASH GROUP BY | |
|
|
|8 | └─PX PARTITION ITERATOR| |
|
|
|9 | └─TABLE FULL SCAN |t1 |
|
|
===================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
2 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
4 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1);
|
|
Query Plan
|
|
=================================================
|
|
|ID|OPERATOR |NAME |
|
|
-------------------------------------------------
|
|
|0 |PX COORDINATOR MERGE SORT | |
|
|
|1 |└─EXCHANGE OUT DISTR |:EX10001|
|
|
|2 | └─SORT | |
|
|
|3 | └─HASH GROUP BY | |
|
|
|4 | └─EXCHANGE IN DISTR | |
|
|
|5 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|6 | └─HASH GROUP BY | |
|
|
|7 | └─PX PARTITION ITERATOR| |
|
|
|8 | └─TABLE FULL SCAN |t1 |
|
|
=================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([INTERNAL_FUNCTION(cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15,
|
|
4)), cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4)), cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
1 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [INTERNAL_FUNCTION(cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c
|
|
1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4)), cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
dop=1
|
|
2 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
3 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
4 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
7 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
8 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 order by avg(c1) limit 5;
|
|
Query Plan
|
|
=============================================
|
|
|ID|OPERATOR |NAME |
|
|
---------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─SCALAR GROUP BY | |
|
|
|2 | └─PX COORDINATOR | |
|
|
|3 | └─EXCHANGE OUT DISTR |:EX10000|
|
|
|4 | └─MERGE GROUP BY | |
|
|
|5 | └─PX PARTITION ITERATOR| |
|
|
|6 | └─TABLE FULL SCAN |t1 |
|
|
=============================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group(nil), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
2 - output([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
3 - output([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
dop=1
|
|
4 - output([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group(nil), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
6 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5 for update nowait;
|
|
Query Plan
|
|
=======================================================
|
|
|ID|OPERATOR |NAME |
|
|
-------------------------------------------------------
|
|
|0 |MATERIAL | |
|
|
|1 |└─LIMIT | |
|
|
|2 | └─PX COORDINATOR MERGE SORT | |
|
|
|3 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|4 | └─TOP-N SORT | |
|
|
|5 | └─HASH GROUP BY | |
|
|
|6 | └─EXCHANGE IN DISTR | |
|
|
|7 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─DISTRIBUTED FOR UPDATE | |
|
|
|10| └─PX PARTITION ITERATOR| |
|
|
|11| └─TABLE FULL SCAN |t1 |
|
|
=======================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
1 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
2 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
3 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
4 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC]),
|
|
topn(5)
|
|
5 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
8 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
lock tables(t1)
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
11 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
|
|
Query Plan
|
|
===================================================
|
|
|ID|OPERATOR |NAME |
|
|
---------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|7 | └─HASH GROUP BY | |
|
|
|8 | └─PX PARTITION ITERATOR| |
|
|
|9 | └─TABLE FULL SCAN |t1 |
|
|
===================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
2 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC]),
|
|
topn(5)
|
|
4 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(20 6)*/ sql_calc_found_rows avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
|
|
Query Plan
|
|
===================================================
|
|
|ID|OPERATOR |NAME |
|
|
---------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|7 | └─HASH GROUP BY | |
|
|
|8 | └─PX PARTITION ITERATOR| |
|
|
|9 | └─TABLE FULL SCAN |t1 |
|
|
===================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
2 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
4 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))],
|
|
[T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))])
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)],
|
|
[T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)],
|
|
[T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)],
|
|
[T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)])
|
|
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by (select c1 from t1 where c2 = 1 and c1 != 1) limit 5;
|
|
Query Plan
|
|
===================================================
|
|
|ID|OPERATOR |NAME |
|
|
---------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─SUBPLAN FILTER | |
|
|
|2 | ├─PX COORDINATOR | |
|
|
|3 | │ └─EXCHANGE OUT DISTR |:EX10001|
|
|
|4 | │ └─HASH GROUP BY | |
|
|
|5 | │ └─EXCHANGE IN DISTR | |
|
|
|6 | │ └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|7 | │ └─HASH GROUP BY | |
|
|
|8 | │ └─PX PARTITION ITERATOR| |
|
|
|9 | │ └─TABLE FULL SCAN |t1 |
|
|
|10| └─PX COORDINATOR | |
|
|
|11| └─EXCHANGE OUT DISTR |:EX20000|
|
|
|12| └─PX PARTITION ITERATOR | |
|
|
|13| └─TABLE RANGE SCAN |t1 |
|
|
===================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
exec_params_(nil), onetime_exprs_([subquery(1)(:0)]), init_plan_idxs_(nil), use_batch=false
|
|
2 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
3 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
4 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
10 - output([t1.c1]), filter(nil), rowset=256
|
|
11 - output([t1.c1]), filter(nil), rowset=256
|
|
dop=1
|
|
12 - output([t1.c1]), filter(nil), rowset=256
|
|
force partition granule
|
|
13 - output([t1.c1]), filter([t1.c2 = 1]), rowset=256
|
|
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(NULL ; 1), (1 ; MAX),
|
|
range_cond([t1.c1 != 1])
|
|
explain basic select /*+topk(20 6)*/ distinct avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
|
|
Query Plan
|
|
=============================================================
|
|
|ID|OPERATOR |NAME |
|
|
-------------------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10002|
|
|
|3 | └─LIMIT | |
|
|
|4 | └─MERGE DISTINCT | |
|
|
|5 | └─EXCHANGE IN MERGE SORT DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10001|
|
|
|7 | └─MERGE DISTINCT | |
|
|
|8 | └─SORT | |
|
|
|9 | └─HASH GROUP BY | |
|
|
|10| └─EXCHANGE IN DISTR | |
|
|
|11| └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|12| └─HASH GROUP BY | |
|
|
|13| └─PX PARTITION ITERATOR| |
|
|
|14| └─TABLE FULL SCAN |t1 |
|
|
=============================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
2 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
4 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
distinct([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))])
|
|
5 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC],
|
|
[cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), ASC])
|
|
6 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
(#keys=3, [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), dop=1
|
|
7 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
distinct([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))])
|
|
8 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC],
|
|
[cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), ASC])
|
|
9 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))
|
|
/ cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
10 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
11 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
12 - output([t1.c2], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))],
|
|
[T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
13 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
14 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(20 6)*/ sum(c1), avg(c2), group_concat(c3, c1) from t1 where c2 <10 group by c2 order by avg(c1) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─MERGE GROUP BY | |
|
|
|5 | └─PARTITION SORT | |
|
|
|6 | └─EXCHANGE IN DISTR | |
|
|
|7 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|8 | └─PX PARTITION ITERATOR | |
|
|
|9 | └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([T_FUN_SUM(t1.c1)], [cast(cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c2), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_GROUP_CONCAT(t1.c3,
|
|
cast(t1.c1, VARCHAR(65536)))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([T_FUN_SUM(t1.c1)], [T_FUN_GROUP_CONCAT(t1.c3, cast(t1.c1, VARCHAR(65536)))], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(t1.c1), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c1), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
2 - output([T_FUN_SUM(t1.c1)], [T_FUN_GROUP_CONCAT(t1.c3, cast(t1.c1, VARCHAR(65536)))], [cast(cast(T_FUN_SUM(t1.c1), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c1),
|
|
DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([T_FUN_SUM(t1.c1)], [T_FUN_GROUP_CONCAT(t1.c3, cast(t1.c1, VARCHAR(65536)))], [cast(cast(T_FUN_SUM(t1.c1), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c1),
|
|
DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)]), filter(nil), rowset=256
|
|
sort_keys([cast(cast(T_FUN_SUM(t1.c1), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c1), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC]), topn(5)
|
|
4 - output([T_FUN_SUM(t1.c1)], [T_FUN_GROUP_CONCAT(t1.c3, cast(t1.c1, VARCHAR(65536)))], [cast(cast(T_FUN_SUM(t1.c1), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c1),
|
|
DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c1)], [T_FUN_GROUP_CONCAT(t1.c3, cast(t1.c1, VARCHAR(65536)))], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [T_FUN_COUNT(t1.c1)])
|
|
5 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
sort_keys([HASH(t1.c2), ASC], [t1.c2, ASC])
|
|
6 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
7 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 2) use_hash_aggregation*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by c3 limit 1;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c3], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(1), offset(nil)
|
|
1 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC])
|
|
2 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), topn(1)
|
|
4 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), minimum_row_count:2 top_precision:1 , limit(1), offset(nil)
|
|
8 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(90 2) use_hash_aggregation*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <30 group by c2 order by c3 limit 10;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c3], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(10), offset(nil)
|
|
1 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC])
|
|
2 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), topn(10)
|
|
4 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), minimum_row_count:2 top_precision:90 , limit(10), offset(nil)
|
|
8 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 30]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by c3 limit 1;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c3], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(1), offset(nil)
|
|
1 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC])
|
|
2 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), topn(1)
|
|
4 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), minimum_row_count:1 top_precision:1 , limit(1), offset(nil)
|
|
8 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by c3 limit 1 offset 4;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c3], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(1), offset(4)
|
|
1 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC])
|
|
2 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), topn(1 + 4)
|
|
4 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), minimum_row_count:1 top_precision:1 , limit(1), offset(4)
|
|
8 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 12]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 1)*/ c3, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by c3 limit 0;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c3], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), startup_filter([0]), rowset=256
|
|
limit(0), offset(nil)
|
|
1 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC])
|
|
2 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), topn(0)
|
|
4 - output([t1.c3], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))])
|
|
5 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
sort_keys([t1.c3, ASC]), minimum_row_count:1 top_precision:1 , limit(0), offset(nil)
|
|
8 - output([t1.c3], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 1)*/ c2, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <12 group by c2 order by avg(c3), sum(c1)/sum(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c2], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), ASC], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)), ASC])
|
|
2 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), ASC], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)), ASC]), topn(5)
|
|
4 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), ASC], [cast(T_FUN_SUM(t1.c1),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0)), ASC]), minimum_row_count:1 top_precision:1 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))
|
|
/ cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [cast(T_FUN_SUM(t1.c1), DECIMAL(33,
|
|
0)) / cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0))], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 12]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 1)*/ c1, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)/sum(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c1], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)), ASC])
|
|
2 - output([t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)), ASC]), topn(5)
|
|
4 - output([t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c1], [t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c1], [t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c1], [t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), DESC], [cast(T_FUN_SUM(t1.c1),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0)), ASC]), minimum_row_count:1 top_precision:1 , limit(5), offset(nil)
|
|
8 - output([t1.c1], [t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1,
|
|
-1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [cast(T_FUN_SUM(t1.c1),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0))], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 1)*/ c2, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)/sum(c2) + avg(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c2], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) + cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC])
|
|
2 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) + cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)),
|
|
DECIMAL(20, 0)), DECIMAL(15, 4))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) + cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)),
|
|
DECIMAL(20, 0)), DECIMAL(15, 4))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) + cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)), DECIMAL(20, 0)), DECIMAL(15, 4)), ASC]), topn(5)
|
|
4 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c1)),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) + cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2)),
|
|
DECIMAL(20, 0)), DECIMAL(15, 4))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c2))])
|
|
5 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), DESC], [cast(T_FUN_SUM(t1.c1),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0)) + cast(cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c2), DECIMAL(20, 0)), DECIMAL(15,
|
|
4)), ASC]), minimum_row_count:1 top_precision:1 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))
|
|
/ cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c2)], [cast(T_FUN_SUM(t1.c1),
|
|
DECIMAL(33, 0)) / cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0)) + cast(cast(T_FUN_SUM(t1.c2), DECIMAL(33, 0)) / cast(T_FUN_COUNT(t1.c2), DECIMAL(20, 0)), DECIMAL(15,
|
|
4))], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(t1.c2)])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 1)*/ avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))],
|
|
[T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))],
|
|
[cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1,
|
|
-1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
2 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))],
|
|
[cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))],
|
|
[cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
4 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))],
|
|
[cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), DESC], [T_FUN_SUM(t1.c1)
|
|
+ T_FUN_SUM(t1.c2), ASC]), minimum_row_count:1 top_precision:1 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))
|
|
/ cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1) + T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(0 0)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
|
|
Query Plan
|
|
===================================================
|
|
|ID|OPERATOR |NAME |
|
|
---------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH)|:EX10000|
|
|
|7 | └─HASH GROUP BY | |
|
|
|8 | └─PX PARTITION ITERATOR| |
|
|
|9 | └─TABLE FULL SCAN |t1 |
|
|
===================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)),
|
|
DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
2 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
4 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)], [T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
8 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(0 10)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)),
|
|
DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
2 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
4 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), DESC], [T_FUN_SUM(t1.c1)
|
|
+ T_FUN_SUM(t1.c2), ASC]), minimum_row_count:10 top_precision:0 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))
|
|
/ cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1) + T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(50 0)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)),
|
|
DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
2 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
4 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), DESC], [T_FUN_SUM(t1.c1)
|
|
+ T_FUN_SUM(t1.c2), ASC]), minimum_row_count:0 top_precision:50 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))
|
|
/ cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1) + T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(10000 1)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)),
|
|
DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
2 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
4 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), DESC], [T_FUN_SUM(t1.c1)
|
|
+ T_FUN_SUM(t1.c2), ASC]), minimum_row_count:1 top_precision:10000 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))
|
|
/ cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1) + T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
explain basic select /*+topk(1 10000)*/ c2, sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 where c2 <10 group by c2 order by avg(c3) desc, sum(c1)+sum(c2) limit 5;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)),
|
|
DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
2 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)),
|
|
DOUBLE(-1, -1)), DESC], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
4 - output([t1.c2], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))],
|
|
[T_FUN_MIN(T_FUN_MIN(t1.c3))], [T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [cast(T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
|
|
DOUBLE(-1, -1)))) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
|
|
[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))], [T_FUN_COUNT_SUM(T_FUN_COUNT(cast(t1.c3,
|
|
DOUBLE(-1, -1))))])
|
|
5 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_COUNT(t1.c3)],
|
|
[T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))) / cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1)), DESC], [T_FUN_SUM(t1.c1)
|
|
+ T_FUN_SUM(t1.c2), ASC]), minimum_row_count:10000 top_precision:1 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))], [cast(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))
|
|
/ cast(T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1))), DOUBLE(-1, -1)), DOUBLE(-1, -1))], [T_FUN_SUM(t1.c1)], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1) + T_FUN_SUM(t1.c2)],
|
|
[T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
|
|
[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))], [T_FUN_COUNT(cast(t1.c3, DOUBLE(-1, -1)))])
|
|
9 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2], [t1.c3]), filter([t1.c2 < 10]), rowset=256
|
|
access([t1.c1], [t1.c2], [t1.c3]), 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
|
|
set @@ob_enable_transformation=default;
|
|
explain basic select * from (select /*+topk(0 4)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 5) as a;
|
|
Query Plan
|
|
=====================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------
|
|
|0 |LIMIT | |
|
|
|1 |└─PX COORDINATOR MERGE SORT | |
|
|
|2 | └─EXCHANGE OUT DISTR |:EX10001|
|
|
|3 | └─TOP-N SORT | |
|
|
|4 | └─HASH GROUP BY | |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|7 | └─SORT | |
|
|
|8 | └─HASH GROUP BY | |
|
|
|9 | └─PX PARTITION ITERATOR| |
|
|
|10| └─TABLE FULL SCAN |t1 |
|
|
=====================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
1 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
2 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
4 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))])
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(t1.c2), ASC]), minimum_row_count:4 top_precision:0 , limit(5), offset(nil)
|
|
8 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)])
|
|
9 - output([t1.c1], [t1.c2]), filter(nil), rowset=256
|
|
force partition granule
|
|
10 - output([t1.c1], [t1.c2]), filter([t1.c2 < 10]), rowset=256
|
|
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
|
|
explain basic select c1 from t1 where c1 < any (select /*+topk(0 4)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 5);
|
|
Query Plan
|
|
===========================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------------
|
|
|0 |NESTED-LOOP SEMI JOIN | |
|
|
|1 |├─PX COORDINATOR | |
|
|
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|
|
|
|3 |│ └─PX PARTITION ITERATOR | |
|
|
|4 |│ └─TABLE FULL SCAN |t1 |
|
|
|5 |└─MATERIAL | |
|
|
|6 | └─SUBPLAN SCAN |VIEW1 |
|
|
|7 | └─LIMIT | |
|
|
|8 | └─PX COORDINATOR MERGE SORT | |
|
|
|9 | └─EXCHANGE OUT DISTR |:EX20001|
|
|
|10| └─TOP-N SORT | |
|
|
|11| └─HASH GROUP BY | |
|
|
|12| └─EXCHANGE IN DISTR | |
|
|
|13| └─EXCHANGE OUT DISTR (HASH) |:EX20000|
|
|
|14| └─SORT | |
|
|
|15| └─HASH GROUP BY | |
|
|
|16| └─PX PARTITION ITERATOR| |
|
|
|17| └─TABLE FULL SCAN |t1 |
|
|
===========================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c1]), filter(nil), rowset=256
|
|
conds([cast(t1.c1, DECIMAL(11, 0)) < VIEW1.avg(c1)]), nl_params_(nil), use_batch=false
|
|
1 - output([t1.c1]), filter(nil), rowset=256
|
|
2 - output([t1.c1]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c1]), filter(nil), rowset=256
|
|
force partition granule
|
|
4 - output([t1.c1]), filter(nil), rowset=256
|
|
access([t1.c1]), partitions(p[0-1])
|
|
is_index_back=false, is_global_index=false,
|
|
range_key([t1.c1]), range(MIN ; MAX)always true
|
|
5 - output([VIEW1.avg(c1)]), filter(nil), rowset=256
|
|
6 - output([VIEW1.avg(c1)]), filter(nil), rowset=256
|
|
access([VIEW1.avg(c1)])
|
|
7 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
8 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
9 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
10 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(5)
|
|
11 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))])
|
|
12 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
13 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
14 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(t1.c2), ASC]), minimum_row_count:4 top_precision:0 , limit(5), offset(nil)
|
|
15 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)])
|
|
16 - output([t1.c1], [t1.c2]), filter(nil), rowset=256
|
|
force partition granule
|
|
17 - output([t1.c1], [t1.c2]), filter([t1.c2 < 10]), rowset=256
|
|
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
|
|
explain basic (select /*+topk(0 4)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 5) union (select /*+topk(0 10)*/ sum(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 7);
|
|
Query Plan
|
|
=======================================================
|
|
|ID|OPERATOR |NAME |
|
|
-------------------------------------------------------
|
|
|0 |TEMP TABLE TRANSFORMATION | |
|
|
|1 |├─PX COORDINATOR | |
|
|
|2 |│ └─EXCHANGE OUT DISTR |:EX10001 |
|
|
|3 |│ └─TEMP TABLE INSERT |TEMP1 |
|
|
|4 |│ └─HASH GROUP BY | |
|
|
|5 |│ └─EXCHANGE IN DISTR | |
|
|
|6 |│ └─EXCHANGE OUT DISTR (HASH)|:EX10000 |
|
|
|7 |│ └─HASH GROUP BY | |
|
|
|8 |│ └─PX PARTITION ITERATOR| |
|
|
|9 |│ └─TABLE FULL SCAN |t1 |
|
|
|10|└─HASH UNION DISTINCT | |
|
|
|11| ├─LIMIT | |
|
|
|12| │ └─PX COORDINATOR MERGE SORT | |
|
|
|13| │ └─EXCHANGE OUT DISTR |:EX20000 |
|
|
|14| │ └─TOP-N SORT | |
|
|
|15| │ └─TEMP TABLE ACCESS |VIEW1(TEMP1)|
|
|
|16| └─LIMIT | |
|
|
|17| └─PX COORDINATOR MERGE SORT | |
|
|
|18| └─EXCHANGE OUT DISTR |:EX30000 |
|
|
|19| └─TOP-N SORT | |
|
|
|20| └─TEMP TABLE ACCESS |VIEW2(TEMP1)|
|
|
=======================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([UNION([1])]), filter(nil), rowset=256
|
|
1 - output(nil), filter(nil), rowset=256
|
|
2 - output(nil), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output(nil), filter(nil), rowset=256
|
|
4 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))])
|
|
5 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
6 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
7 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)])
|
|
8 - output([t1.c1], [t1.c2]), filter(nil), rowset=256
|
|
force partition granule
|
|
9 - output([t1.c1], [t1.c2]), filter([t1.c2 < 10]), rowset=256
|
|
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
|
|
10 - output([UNION([1])]), filter(nil), rowset=256
|
|
11 - output([cast(cast(VIEW1.T_FUN_SUM(t1.c1), DECIMAL(33, 0)) / cast(VIEW1.T_FUN_COUNT(t1.c1), DECIMAL(20, 0)), DECIMAL(15, 4))]), filter(nil), rowset=256
|
|
limit(5), offset(nil)
|
|
12 - output([VIEW1.T_FUN_SUM(t1.c1)], [VIEW1.T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([VIEW1.T_FUN_SUM(t1.c2), ASC])
|
|
13 - output([VIEW1.T_FUN_SUM(t1.c2)], [VIEW1.T_FUN_SUM(t1.c1)], [VIEW1.T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
dop=1
|
|
14 - output([VIEW1.T_FUN_SUM(t1.c2)], [VIEW1.T_FUN_SUM(t1.c1)], [VIEW1.T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([VIEW1.T_FUN_SUM(t1.c2), ASC]), topn(5)
|
|
15 - output([VIEW1.T_FUN_SUM(t1.c2)], [VIEW1.T_FUN_SUM(t1.c1)], [VIEW1.T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
access([VIEW1.T_FUN_SUM(t1.c2)], [VIEW1.T_FUN_SUM(t1.c1)], [VIEW1.T_FUN_COUNT(t1.c1)])
|
|
16 - output([cast(VIEW2.T_FUN_SUM(t1.c1), DECIMAL(37, 4))]), filter(nil), rowset=256
|
|
limit(7), offset(nil)
|
|
17 - output([VIEW2.T_FUN_SUM(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([VIEW2.T_FUN_SUM(t1.c2), ASC])
|
|
18 - output([VIEW2.T_FUN_SUM(t1.c2)], [VIEW2.T_FUN_SUM(t1.c1)]), filter(nil), rowset=256
|
|
dop=1
|
|
19 - output([VIEW2.T_FUN_SUM(t1.c2)], [VIEW2.T_FUN_SUM(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([VIEW2.T_FUN_SUM(t1.c2), ASC]), topn(7)
|
|
20 - output([VIEW2.T_FUN_SUM(t1.c1)], [VIEW2.T_FUN_SUM(t1.c2)]), filter(nil), rowset=256
|
|
access([VIEW2.T_FUN_SUM(t1.c1)], [VIEW2.T_FUN_SUM(t1.c2)])
|
|
explain basic select c1 from t1 where (select /*+topk(0 10)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 1) > 1 ;
|
|
Query Plan
|
|
=======================================================
|
|
|ID|OPERATOR |NAME |
|
|
-------------------------------------------------------
|
|
|0 |SUBPLAN FILTER | |
|
|
|1 |├─PX COORDINATOR | |
|
|
|2 |│ └─EXCHANGE OUT DISTR |:EX10000|
|
|
|3 |│ └─PX PARTITION ITERATOR | |
|
|
|4 |│ └─TABLE FULL SCAN |t1 |
|
|
|5 |└─LIMIT | |
|
|
|6 | └─PX COORDINATOR MERGE SORT | |
|
|
|7 | └─EXCHANGE OUT DISTR |:EX20001|
|
|
|8 | └─TOP-N SORT | |
|
|
|9 | └─HASH GROUP BY | |
|
|
|10| └─EXCHANGE IN DISTR | |
|
|
|11| └─EXCHANGE OUT DISTR (HASH) |:EX20000|
|
|
|12| └─SORT | |
|
|
|13| └─HASH GROUP BY | |
|
|
|14| └─PX PARTITION ITERATOR| |
|
|
|15| └─TABLE FULL SCAN |t1 |
|
|
=======================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([t1.c1]), filter(nil), rowset=256
|
|
exec_params_(nil), onetime_exprs_([subquery(1)(:0)]), init_plan_idxs_(nil), use_batch=false
|
|
1 - output([t1.c1]), filter(nil), startup_filter([:0 > cast(1, DECIMAL(1, 0))]), rowset=256
|
|
2 - output([t1.c1]), filter(nil), rowset=256
|
|
dop=1
|
|
3 - output([t1.c1]), filter(nil), rowset=256
|
|
force partition granule
|
|
4 - output([t1.c1]), filter(nil), rowset=256
|
|
access([t1.c1]), partitions(p[0-1])
|
|
is_index_back=false, is_global_index=false,
|
|
range_key([t1.c1]), range(MIN ; MAX)always true
|
|
5 - output([cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15, 4))]), filter(nil), rowset=256
|
|
limit(1), offset(nil)
|
|
6 - output([T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC])
|
|
7 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
dop=1
|
|
8 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(T_FUN_SUM(t1.c2)), ASC]), topn(1)
|
|
9 - output([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))])
|
|
10 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
11 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
(#keys=1, [t1.c2]), dop=1
|
|
12 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
sort_keys([T_FUN_SUM(t1.c2), ASC]), minimum_row_count:10 top_precision:0 , limit(1), offset(nil)
|
|
13 - output([t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)]), filter(nil), rowset=256
|
|
group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c1)])
|
|
14 - output([t1.c1], [t1.c2]), filter(nil), rowset=256
|
|
force partition granule
|
|
15 - output([t1.c1], [t1.c2]), filter([t1.c2 < 10]), rowset=256
|
|
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
|
|
explain basic select * from (select /*+topk(10 5)*/ c3, c1, avg(c1), sum(c2), sum(c1) + sum(c2), count(c3), min(c3), max(c1), sum(c2)/count(c1), sum(c3)/sum(c1) from t1 group by c2 order by c3 limit 7) as a left join t2 on a.c1 = t2.c1 left join t3 on t3.c1 = a.c1;
|
|
Query Plan
|
|
=======================================================================
|
|
|ID|OPERATOR |NAME |
|
|
-----------------------------------------------------------------------
|
|
|0 |PX COORDINATOR | |
|
|
|1 |└─EXCHANGE OUT DISTR |:EX10004|
|
|
|2 | └─HASH RIGHT OUTER JOIN | |
|
|
|3 | ├─PX PARTITION ITERATOR | |
|
|
|4 | │ └─TABLE FULL SCAN |t3 |
|
|
|5 | └─EXCHANGE IN DISTR | |
|
|
|6 | └─EXCHANGE OUT DISTR (PKEY) |:EX10003|
|
|
|7 | └─HASH RIGHT OUTER JOIN | |
|
|
|8 | ├─PX PARTITION ITERATOR | |
|
|
|9 | │ └─TABLE FULL SCAN |t2 |
|
|
|10| └─EXCHANGE IN DISTR | |
|
|
|11| └─EXCHANGE OUT DISTR (PKEY) |:EX10002|
|
|
|12| └─SUBPLAN SCAN |a |
|
|
|13| └─LIMIT | |
|
|
|14| └─EXCHANGE IN MERGE SORT DISTR | |
|
|
|15| └─EXCHANGE OUT DISTR |:EX10001|
|
|
|16| └─TOP-N SORT | |
|
|
|17| └─HASH GROUP BY | |
|
|
|18| └─EXCHANGE IN DISTR | |
|
|
|19| └─EXCHANGE OUT DISTR (HASH) |:EX10000|
|
|
|20| └─SORT | |
|
|
|21| └─HASH GROUP BY | |
|
|
|22| └─PX PARTITION ITERATOR| |
|
|
|23| └─TABLE FULL SCAN |t1 |
|
|
=======================================================================
|
|
Outputs & filters:
|
|
-------------------------------------
|
|
0 - output([INTERNAL_FUNCTION(a.c3, a.c1, a.avg(c1), a.sum(c2), a.sum(c1) + sum(c2), a.count(c3), a.min(c3), a.max(c1), a.sum(c2)/count(c1), a.sum(c3)/sum(c1),
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t2.c1, t2.c2, t2.c3, t3.c1, t3.c2, t3.c3)]), filter(nil), rowset=256
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1 - output([INTERNAL_FUNCTION(a.c3, a.c1, a.avg(c1), a.sum(c2), a.sum(c1) + sum(c2), a.count(c3), a.min(c3), a.max(c1), a.sum(c2)/count(c1), a.sum(c3)/sum(c1),
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t2.c1, t2.c2, t2.c3, t3.c1, t3.c2, t3.c3)]), filter(nil), rowset=256
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dop=1
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2 - output([t3.c1], [a.c1], [t3.c2], [t3.c3], [t2.c1], [t2.c2], [t2.c3], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)],
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[a.max(c1)], [a.sum(c2)/count(c1)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256
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equal_conds([t3.c1 = a.c1]), other_conds(nil)
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3 - output([t3.c1], [t3.c2], [t3.c3]), filter(nil), rowset=256
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affinitize, force partition granule
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4 - output([t3.c1], [t3.c2], [t3.c3]), filter(nil), rowset=256
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access([t3.c1], [t3.c2], [t3.c3]), partitions(p[0-1])
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is_index_back=false, is_global_index=false,
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range_key([t3.c1]), range(MIN ; MAX)always true
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5 - output([a.c1], [t2.c1], [t2.c2], [t2.c3], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)], [a.max(c1)], [a.sum(c2)/count(c1)],
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[a.sum(c3)/sum(c1)]), filter(nil), rowset=256
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6 - output([a.c1], [t2.c1], [t2.c2], [t2.c3], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)], [a.max(c1)], [a.sum(c2)/count(c1)],
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[a.sum(c3)/sum(c1)]), filter(nil), rowset=256
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(#keys=1, [a.c1]), dop=1
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7 - output([a.c1], [t2.c1], [t2.c2], [t2.c3], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)], [a.max(c1)], [a.sum(c2)/count(c1)],
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[a.sum(c3)/sum(c1)]), filter(nil), rowset=256
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equal_conds([a.c1 = t2.c1]), other_conds(nil)
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8 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=256
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affinitize, force partition granule
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9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=256
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access([t2.c1], [t2.c2], [t2.c3]), partitions(p[0-1])
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is_index_back=false, is_global_index=false,
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range_key([t2.c1]), range(MIN ; MAX)always true
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10 - output([a.c1], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)], [a.max(c1)], [a.sum(c2)/count(c1)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256
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11 - output([a.c1], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)], [a.max(c1)], [a.sum(c2)/count(c1)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256
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(#keys=1, [a.c1]), is_single, dop=1
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12 - output([a.c1], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)], [a.max(c1)], [a.sum(c2)/count(c1)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256
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access([a.c1], [a.c3], [a.avg(c1)], [a.sum(c2)], [a.sum(c1) + sum(c2)], [a.count(c3)], [a.min(c3)], [a.max(c1)], [a.sum(c2)/count(c1)], [a.sum(c3)/sum(c1)])
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13 - output([t1.c3], [t1.c1], [cast(cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0)), DECIMAL(15,
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4))], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1)) + T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
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[T_FUN_MAX(T_FUN_MAX(t1.c1))], [cast(T_FUN_SUM(T_FUN_SUM(t1.c2)), DECIMAL(33, 0)) / cast(T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1)), DECIMAL(20, 0))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3,
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DOUBLE(-1, -1)))) / cast(T_FUN_SUM(T_FUN_SUM(t1.c1)), DOUBLE(33, 0))]), filter(nil), rowset=256
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limit(7), offset(nil)
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14 - output([t1.c3], [t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
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[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
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sort_keys([t1.c3, ASC])
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15 - output([t1.c3], [t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
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[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
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dop=1
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16 - output([t1.c3], [t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
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[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
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sort_keys([t1.c3, ASC]), topn(7)
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17 - output([t1.c3], [t1.c1], [T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
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[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))]), filter(nil), rowset=256
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group([t1.c2]), agg_func([T_FUN_SUM(T_FUN_SUM(t1.c2))], [T_FUN_SUM(T_FUN_SUM(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c3))], [T_FUN_MIN(T_FUN_MIN(t1.c3))],
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[T_FUN_MAX(T_FUN_MAX(t1.c1))], [T_FUN_COUNT_SUM(T_FUN_COUNT(t1.c1))], [T_FUN_SUM(T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1))))])
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18 - output([t1.c3], [t1.c1], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
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[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
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19 - output([t1.c3], [t1.c1], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
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[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
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(#keys=1, [t1.c2]), dop=1
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20 - output([t1.c3], [t1.c1], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
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[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
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sort_keys([t1.c3, ASC]), minimum_row_count:5 top_precision:10 , limit(7), offset(nil)
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21 - output([t1.c3], [t1.c1], [t1.c2], [T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
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[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256
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group([t1.c2]), agg_func([T_FUN_SUM(t1.c2)], [T_FUN_SUM(t1.c1)], [T_FUN_COUNT(t1.c3)], [T_FUN_MIN(t1.c3)], [T_FUN_MAX(t1.c1)], [T_FUN_COUNT(t1.c1)],
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[T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))])
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22 - output([t1.c1], [t1.c3], [t1.c2]), filter(nil), rowset=256
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force partition granule
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23 - output([t1.c1], [t1.c3], [t1.c2]), filter(nil), rowset=256
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access([t1.c1], [t1.c3], [t1.c2]), partitions(p[0-1])
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is_index_back=false, is_global_index=false,
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range_key([t1.c1]), range(MIN ; MAX)always true
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drop table t1;
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drop table t2;
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drop table t3;
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