ClickHouse/tests/queries/0_stateless/02343_aggregation_pipeline.reference
2023-12-01 19:59:25 +01:00

149 lines
5.3 KiB
Plaintext
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

-- { echoOn }
explain pipeline select * from (select * from numbers(1e8) group by number) group by number;
(Expression)
ExpressionTransform × 16
(Aggregating)
Resize 16 → 16
AggregatingTransform × 16
StrictResize 16 → 16
(Expression)
ExpressionTransform × 16
(Aggregating)
Resize 1 → 16
AggregatingTransform
(Expression)
ExpressionTransform
(ReadFromSystemNumbers)
NumbersRange 0 → 1
explain pipeline select * from (select * from numbers_mt(1e8) group by number) group by number;
(Expression)
ExpressionTransform × 16
(Aggregating)
Resize 16 → 16
AggregatingTransform × 16
StrictResize 16 → 16
(Expression)
ExpressionTransform × 16
(Aggregating)
Resize 16 → 16
AggregatingTransform × 16
(Expression)
ExpressionTransform × 16
(ReadFromSystemNumbers)
NumbersRange × 16 0 → 1
explain pipeline select * from (select * from numbers_mt(1e8) group by number) order by number;
(Expression)
ExpressionTransform
(Sorting)
MergingSortedTransform 16 → 1
MergeSortingTransform × 16
LimitsCheckingTransform × 16
PartialSortingTransform × 16
(Expression)
ExpressionTransform × 16
(Aggregating)
Resize 16 → 16
AggregatingTransform × 16
(Expression)
ExpressionTransform × 16
(ReadFromSystemNumbers)
NumbersRange × 16 0 → 1
explain pipeline select number from remote('127.0.0.{1,2,3}', system, numbers_mt) group by number settings distributed_aggregation_memory_efficient = 1;
(Expression)
ExpressionTransform × 16
(MergingAggregated)
Resize 1 → 16
SortingAggregatedTransform 16 → 1
MergingAggregatedBucketTransform × 16
Resize 1 → 16
GroupingAggregatedTransform 3 → 1
(Union)
(Aggregating)
Resize 16 → 1
AggregatingTransform × 16
(Expression)
ExpressionTransform × 16
(ReadFromSystemNumbers)
NumbersRange × 16 0 → 1
(ReadFromRemote)
explain pipeline select number from remote('127.0.0.{1,2,3}', system, numbers_mt) group by number settings distributed_aggregation_memory_efficient = 0;
(Expression)
ExpressionTransform × 16
(MergingAggregated)
Resize 1 → 16
MergingAggregatedTransform
Resize 18 → 1
(Union)
(Aggregating)
Resize 16 → 16
AggregatingTransform × 16
(Expression)
ExpressionTransform × 16
(ReadFromSystemNumbers)
NumbersRange × 16 0 → 1
(ReadFromRemote)
-- { echoOn }
explain pipeline SELECT k1, k3, sum(value) v FROM remote('127.0.0.{1,2}', currentDatabase(), proj_agg_02343) GROUP BY k1, k3 SETTINGS distributed_aggregation_memory_efficient = 0;
(Expression)
ExpressionTransform × 16
(MergingAggregated)
Resize 1 → 16
MergingAggregatedTransform
Resize 17 → 1
(Union)
(Aggregating)
Resize 1 → 16
AggregatingTransform
(Expression)
ExpressionTransform
(ReadFromMergeTree)
MergeTreeSelect(pool: ReadPoolInOrder, algorithm: InOrder) 0 → 1
(ReadFromRemote)
explain pipeline SELECT k1, k3, sum(value) v FROM remote('127.0.0.{1,2}', currentDatabase(), proj_agg_02343) GROUP BY k1, k3 SETTINGS distributed_aggregation_memory_efficient = 1;
(Expression)
ExpressionTransform × 16
(MergingAggregated)
Resize 1 → 16
SortingAggregatedTransform 16 → 1
MergingAggregatedBucketTransform × 16
Resize 1 → 16
GroupingAggregatedTransform 2 → 1
(Union)
(Aggregating)
AggregatingTransform
(Expression)
ExpressionTransform
(ReadFromMergeTree)
MergeTreeSelect(pool: ReadPoolInOrder, algorithm: InOrder) 0 → 1
(ReadFromRemote)
-- { echoOn }
explain pipeline select a from remote('127.0.0.{1,2}', currentDatabase(), dist_t) group by a settings max_threads = 2, distributed_aggregation_memory_efficient = 1;
(Expression)
ExpressionTransform × 2
(MergingAggregated)
Resize 1 → 2
SortingAggregatedTransform 2 → 1
MergingAggregatedBucketTransform × 2
Resize 1 → 2
GroupingAggregatedTransform 2 → 1
(Union)
(MergingAggregated)
SortingAggregatedTransform 2 → 1
MergingAggregatedBucketTransform × 2
Resize 1 → 2
GroupingAggregatedTransform 2 → 1
(Union)
(Aggregating)
Resize 2 → 1
AggregatingTransform × 2
StrictResize 2 → 2
(Expression)
ExpressionTransform × 2
(ReadFromMergeTree)
MergeTreeSelect(pool: ReadPool, algorithm: Thread) × 2 0 → 1
(ReadFromRemote)
(ReadFromRemote)