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fix: handle hash distribution properly (#6943)

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* fix: handle hash distribution properly

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* fix clippy

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* Update src/query/src/optimizer/pass_distribution.rs

Co-authored-by: dennis zhuang <killme2008@gmail.com>

---------

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Co-authored-by: dennis zhuang <killme2008@gmail.com>
This commit is contained in:
Ruihang Xia
2025-09-09 23:35:10 -07:00
committed by Weny Xu
parent aa7e7942f8
commit a67803d0e9
3 changed files with 85 additions and 52 deletions
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49
tests/cases/standalone/common/order/order_by_exceptions.result
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@@ -64,29 +64,32 @@ Error: 3000(PlanQuery), Failed to plan SQL: Error during planning: Order by colu
-- SQLNESS REPLACE (partitioning.*) REDACTED
EXPLAIN SELECT a % 2, b FROM test UNION SELECT a % 2 AS k, b FROM test ORDER BY -1;
+---------------+------------------------------------------------------------------------------------------------------------+
| plan_type | plan |
+---------------+------------------------------------------------------------------------------------------------------------+
| logical_plan | Sort: Int64(-1) ASC NULLS LAST |
| | Aggregate: groupBy=[[test.a % Int64(2), b]], aggr=[[]] |
| | Union |
| | MergeScan [is_placeholder=false, remote_input=[ |
| | Projection: CAST(test.a AS Int64) % Int64(2) AS test.a % Int64(2), test.b |
| | TableScan: test |
| | ]] |
| | MergeScan [is_placeholder=false, remote_input=[ |
| | Projection: CAST(test.a AS Int64) % Int64(2) AS test.a % Int64(2), test.b |
| | TableScan: test |
| | ]] |
| physical_plan | CoalescePartitionsExec |
| | AggregateExec: mode=SinglePartitioned, gby=[test.a % Int64(2)@0 as test.a % Int64(2), b@1 as b], aggr=[] |
| | InterleaveExec |
| | CooperativeExec |
| | MergeScanExec: REDACTED
| | CooperativeExec |
| | MergeScanExec: REDACTED
| | |
+---------------+------------------------------------------------------------------------------------------------------------+
+---------------+-----------------------------------------------------------------------------------------------------------+
| plan_type | plan |
+---------------+-----------------------------------------------------------------------------------------------------------+
| logical_plan | Sort: Int64(-1) ASC NULLS LAST |
| | Aggregate: groupBy=[[test.a % Int64(2), b]], aggr=[[]] |
| | Union |
| | MergeScan [is_placeholder=false, remote_input=[ |
| | Projection: CAST(test.a AS Int64) % Int64(2) AS test.a % Int64(2), test.b |
| | TableScan: test |
| | ]] |
| | MergeScan [is_placeholder=false, remote_input=[ |
| | Projection: CAST(test.a AS Int64) % Int64(2) AS test.a % Int64(2), test.b |
| | TableScan: test |
| | ]] |
| physical_plan | CoalescePartitionsExec |
| | AggregateExec: mode=FinalPartitioned, gby=[test.a % Int64(2)@0 as test.a % Int64(2), b@1 as b], aggr=[] |
| | CoalesceBatchesExec: target_batch_size=8192 |
| | RepartitionExec: REDACTED
| | AggregateExec: mode=Partial, gby=[test.a % Int64(2)@0 as test.a % Int64(2), b@1 as b], aggr=[] |
| | InterleaveExec |
| | CooperativeExec |
| | MergeScanExec: REDACTED
| | CooperativeExec |
| | MergeScanExec: REDACTED
| | |
+---------------+-----------------------------------------------------------------------------------------------------------+
SELECT a % 2, b FROM test UNION SELECT a % 2 AS k FROM test ORDER BY -1;