drop table if exists t1; drop table if exists t2; drop table if exists t3; create table t1 (c1 int primary key, c2 int, c3 varchar(32)) partition by hash(c1) partitions 2; 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); 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); 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); 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); create table t2 (c1 int primary key, c2 int, c3 varchar(32)) partition by hash(c1) partitions 2; create table t3 (c1 int primary key, c2 int, c3 varchar(32)) partition by hash(c1) partitions 2; 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); select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 limit 5; avg(c1) avg(c2) avg(c3) 17.0000 2.0000 2 19.0000 4.0000 4 21.0000 6.0000 6 23.0000 8.0000 8 16.0000 1.0000 1 select @@is_result_accurate; @@is_result_accurate 1 select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1); avg(c1) avg(c2) avg(c3) 16.0000 1.0000 1 17.0000 2.0000 2 18.0000 3.0000 3 19.0000 4.0000 4 20.0000 5.0000 5 21.0000 6.0000 6 22.0000 7.0000 7 23.0000 8.0000 8 24.0000 9.0000 9 select @@is_result_accurate; @@is_result_accurate 1 select /*+topk(20 6)*/ avg(c1), avg(c2), avg(c3) from t1 where c2 <10 order by avg(c1) limit 5; avg(c1) avg(c2) avg(c3) 20.0000 5.0000 5 select @@is_result_accurate; @@is_result_accurate 1 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; avg(c1) avg(c2) avg(c3) 16.0000 1.0000 1 17.0000 2.0000 2 18.0000 3.0000 3 19.0000 4.0000 4 20.0000 5.0000 5 select @@is_result_accurate; @@is_result_accurate 1 select avg(c1), avg(c2), avg(c3) from t1 where c2 <10 group by c2 order by avg(c1) limit 5; avg(c1) avg(c2) avg(c3) 16.0000 1.0000 1 17.0000 2.0000 2 18.0000 3.0000 3 19.0000 4.0000 4 20.0000 5.0000 5 select @@is_result_accurate; @@is_result_accurate 1 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; avg(c2) avg(c3) 1.0000 1 2.0000 2 3.0000 3 4.0000 4 5.0000 5 select @@is_result_accurate; @@is_result_accurate 1 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; avg(c1) avg(c2) avg(c3) 17.0000 2.0000 2 19.0000 4.0000 4 21.0000 6.0000 6 23.0000 8.0000 8 16.0000 1.0000 1 select @@is_result_accurate; @@is_result_accurate 1 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; avg(c1) avg(c2) avg(c3) 16.0000 1.0000 1 17.0000 2.0000 2 18.0000 3.0000 3 19.0000 4.0000 4 20.0000 5.0000 5 select @@is_result_accurate; @@is_result_accurate 1 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; sum(c1) avg(c2) group_concat(c3, c1) 32 1.0000 11,131 34 2.0000 22,232 36 3.0000 33,333 38 4.0000 44,434 40 5.0000 55,535 select @@is_result_accurate; @@is_result_accurate 1 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; avg(c1) avg(c2) avg(c3) 16.0000 1.0000 1 17.0000 2.0000 2 18.0000 3.0000 3 19.0000 4.0000 4 20.0000 5.0000 5 select @@is_result_accurate; @@is_result_accurate 1 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; avg(t1.c1) avg(t1.c2) avg(t1.c3) 16.0000 1.0000 1 17.0000 2.0000 2 18.0000 3.0000 3 19.0000 4.0000 4 20.0000 5.0000 5 select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 1 16.0000 2 34 2 1 31 1.0000 0.0625 select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 2 17.0000 4 38 2 2 32 2.0000 0.11764705882352941 select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 1 16.0000 2 34 2 1 31 1.0000 0.0625 10 25.0000 20 70 2 10 40 10.0000 0.4 11 26.0000 22 74 2 11 41 11.0000 0.4230769230769231 12 27.0000 24 78 2 12 42 12.0000 0.4444444444444444 13 28.0000 26 82 2 13 43 13.0000 0.4642857142857143 14 29.0000 28 86 2 14 44 14.0000 0.4827586206896552 15 30.0000 30 90 2 15 45 15.0000 0.5 16 31.0000 32 94 2 16 46 16.0000 0.5161290322580645 17 32.0000 34 98 2 17 47 17.0000 0.53125 18 33.0000 36 102 2 18 48 18.0000 0.5454545454545454 select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 1 16.0000 2 34 2 1 31 1.0000 0.0625 select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 3 18.0000 6 42 2 3 33 3.0000 0.16666666666666666 select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 1 16.0000 2 34 2 1 31 1.0000 0.0625 select @@is_result_accurate; @@is_result_accurate 1 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; c3 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) select @@is_result_accurate; @@is_result_accurate 1 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; c2 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 1 16.0000 2 34 2 1 31 1.0000 0.0625 2 17.0000 4 38 2 2 32 2.0000 0.11764705882352941 3 18.0000 6 42 2 3 33 3.0000 0.16666666666666666 4 19.0000 8 46 2 4 34 4.0000 0.21052631578947367 5 20.0000 10 50 2 5 35 5.0000 0.25 select @@is_result_accurate; @@is_result_accurate 1 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; c1 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 9 24.0000 18 66 2 9 39 9.0000 0.375 8 23.0000 16 62 2 8 38 8.0000 0.34782608695652173 7 22.0000 14 58 2 7 37 7.0000 0.3181818181818182 6 21.0000 12 54 2 6 36 6.0000 0.2857142857142857 5 20.0000 10 50 2 5 35 5.0000 0.25 select @@is_result_accurate; @@is_result_accurate 1 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; c2 avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 9 24.0000 18 66 2 9 39 9.0000 0.375 8 23.0000 16 62 2 8 38 8.0000 0.34782608695652173 7 22.0000 14 58 2 7 37 7.0000 0.3181818181818182 6 21.0000 12 54 2 6 36 6.0000 0.2857142857142857 5 20.0000 10 50 2 5 35 5.0000 0.25 select @@is_result_accurate; @@is_result_accurate 1 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; avg(c1) sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 24.0000 18 66 2 9 39 9.0000 0.375 23.0000 16 62 2 8 38 8.0000 0.34782608695652173 22.0000 14 58 2 7 37 7.0000 0.3181818181818182 21.0000 12 54 2 6 36 6.0000 0.2857142857142857 20.0000 10 50 2 5 35 5.0000 0.25 select @@is_result_accurate; @@is_result_accurate 1 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; c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 11 22 74 2 11 41 11.0000 0.4230769230769231 10 20 70 2 10 40 10.0000 0.4 9 18 66 2 9 39 9.0000 0.375 8 16 62 2 8 38 8.0000 0.34782608695652173 7 14 58 2 7 37 7.0000 0.3181818181818182 select @@is_result_accurate; @@is_result_accurate 1 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; c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 11 22 74 2 11 41 11.0000 0.4230769230769231 10 20 70 2 10 40 10.0000 0.4 9 18 66 2 9 39 9.0000 0.375 8 16 62 2 8 38 8.0000 0.34782608695652173 7 14 58 2 7 37 7.0000 0.3181818181818182 select @@is_result_accurate; @@is_result_accurate 1 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; c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 11 22 74 2 11 41 11.0000 0.4230769230769231 10 20 70 2 10 40 10.0000 0.4 9 18 66 2 9 39 9.0000 0.375 8 16 62 2 8 38 8.0000 0.34782608695652173 7 14 58 2 7 37 7.0000 0.3181818181818182 select @@is_result_accurate; @@is_result_accurate 1 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; c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 11 22 74 2 11 41 11.0000 0.4230769230769231 10 20 70 2 10 40 10.0000 0.4 9 18 66 2 9 39 9.0000 0.375 8 16 62 2 8 38 8.0000 0.34782608695652173 7 14 58 2 7 37 7.0000 0.3181818181818182 select @@is_result_accurate; @@is_result_accurate 1 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; c2 sum(c2) sum(c1) + sum(c2) count(c3) min(c3) max(c1) sum(c2)/count(c1) sum(c3)/sum(c1) 11 22 74 2 11 41 11.0000 0.4230769230769231 10 20 70 2 10 40 10.0000 0.4 9 18 66 2 9 39 9.0000 0.375 8 16 62 2 8 38 8.0000 0.34782608695652173 7 14 58 2 7 37 7.0000 0.3181818181818182 select @@is_result_accurate; @@is_result_accurate 1 select * from (select /*+topk(0 4)*/ avg(c1) from t1 where c2 <10 group by c2 order by sum(c2) limit 5) as a; avg(c1) 16.0000 17.0000 18.0000 19.0000 20.0000 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); c1 2 4 6 8 10 12 14 16 18 1 3 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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(-1, -1))]), 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), t2.c1, t2.c2, t2.c3, t3.c1, t3.c2, t3.c3)]), filter(nil), rowset=256 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), t2.c1, t2.c2, t2.c3, t3.c1, t3.c2, t3.c3)]), filter(nil), rowset=256 dop=1 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)], [a.max(c1)], [a.sum(c2)/count(c1)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256 equal_conds([t3.c1 = a.c1]), other_conds(nil) 3 - output([t3.c1], [t3.c2], [t3.c3]), filter(nil), rowset=256 affinitize, force partition granule 4 - output([t3.c1], [t3.c2], [t3.c3]), filter(nil), rowset=256 access([t3.c1], [t3.c2], [t3.c3]), partitions(p[0-1]) is_index_back=false, is_global_index=false, range_key([t3.c1]), range(MIN ; MAX)always true 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)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256 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)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256 (#keys=1, [a.c1]), dop=1 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)], [a.sum(c3)/sum(c1)]), filter(nil), rowset=256 equal_conds([a.c1 = t2.c1]), other_conds(nil) 8 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=256 affinitize, force partition granule 9 - output([t2.c1], [t2.c2], [t2.c3]), filter(nil), rowset=256 access([t2.c1], [t2.c2], [t2.c3]), partitions(p[0-1]) is_index_back=false, is_global_index=false, range_key([t2.c1]), range(MIN ; MAX)always true 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 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 (#keys=1, [a.c1]), is_single, dop=1 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 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)]) 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, 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(-1, -1))]), filter(nil), rowset=256 limit(7), offset(nil) 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))], [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]) 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))], [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 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))], [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(7) 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))], [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))))]) 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)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256 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)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256 (#keys=1, [t1.c2]), dop=1 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)], [T_FUN_SUM(cast(t1.c3, DOUBLE(-1, -1)))]), filter(nil), rowset=256 sort_keys([t1.c3, ASC]), minimum_row_count:5 top_precision:10 , limit(7), offset(nil) 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)], [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)))]) 22 - output([t1.c1], [t1.c3], [t1.c2]), filter(nil), rowset=256 force partition granule 23 - output([t1.c1], [t1.c3], [t1.c2]), filter(nil), rowset=256 access([t1.c1], [t1.c3], [t1.c2]), partitions(p[0-1]) is_index_back=false, is_global_index=false, range_key([t1.c1]), range(MIN ; MAX)always true drop table t1; drop table t2; drop table t3;