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feat: Adds RegionScanner trait (#3948)

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* feat: define region scanner

* feat: single partition scanner

* feat: use single partition scanner

* feat: implement ExecutionPlan wip

* feat: mito engine returns single partition scanner

* feat: implement DisplayAs for region server

* feat: dummy table provider use handle_partitioned_query()

* test: update sqlness test

* feat: table provider use ReadFromRegion

* refactor: remove StreamScanAdapter

* chore: update lock

* style: fix clippy

* refactor: remove handle_query from the RegionEngine trait

* chore: address CR comments

* refactor: rename methods

* refactor: rename ReadFromRegion to RegionScanExec
This commit is contained in:
Yingwen
2024-05-20 19:52:00 +08:00
committed by GitHub
parent 19543f9819
commit 179c8c716c
32 changed files with 371 additions and 209 deletions
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2
tests/cases/distributed/explain/analyze.result
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@@ -35,7 +35,7 @@ explain analyze SELECT count(*) FROM system_metrics;
|_|_|_CoalescePartitionsExec REDACTED
|_|_|_AggregateExec: mode=Partial, gby=[], aggr=[COUNT(greptime.public.system_REDACTED
|_|_|_RepartitionExec: partitioning=REDACTED
|_|_|_StreamScanAdapter { stream: "<SendableRecordBatchStream>" } REDACTED
|_|_|_SinglePartitionScanner: <SendableRecordBatchStream> REDACTED
|_|_|_|
|_|_| Total rows: 1_|
+-+-+-+

82
tests/cases/distributed/optimizer/order_by.result
View File

@@ -1,61 +1,61 @@
-- SQLNESS REPLACE (peers.*) REDACTED
explain select * from numbers;
+---------------+-------------------------------------------------------------+
| plan_type | plan |
+---------------+-------------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | StreamScanAdapter { stream: "<SendableRecordBatchStream>" } |
| | |
+---------------+-------------------------------------------------------------+
+---------------+-----------------------------------------------------+
| plan_type | plan |
+---------------+-----------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | SinglePartitionScanner: <SendableRecordBatchStream> |
| | |
+---------------+-----------------------------------------------------+
-- SQLNESS REPLACE (peers.*) REDACTED
explain select * from numbers order by number desc;
+---------------+---------------------------------------------------------------+
| plan_type | plan |
+---------------+---------------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | SortExec: expr=[number@0 DESC] |
| | StreamScanAdapter { stream: "<SendableRecordBatchStream>" } |
| | |
+---------------+---------------------------------------------------------------+
+---------------+-------------------------------------------------------+
| plan_type | plan |
+---------------+-------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | SortExec: expr=[number@0 DESC] |
| | SinglePartitionScanner: <SendableRecordBatchStream> |
| | |
+---------------+-------------------------------------------------------+
-- SQLNESS REPLACE (peers.*) REDACTED
explain select * from numbers order by number asc;
+---------------+---------------------------------------------------------------+
| plan_type | plan |
+---------------+---------------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | SortExec: expr=[number@0 ASC NULLS LAST] |
| | StreamScanAdapter { stream: "<SendableRecordBatchStream>" } |
| | |
+---------------+---------------------------------------------------------------+
+---------------+-------------------------------------------------------+
| plan_type | plan |
+---------------+-------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | SortExec: expr=[number@0 ASC NULLS LAST] |
| | SinglePartitionScanner: <SendableRecordBatchStream> |
| | |
+---------------+-------------------------------------------------------+
-- SQLNESS REPLACE (peers.*) REDACTED
explain select * from numbers order by number desc limit 10;
+---------------+-----------------------------------------------------------------+
| plan_type | plan |
+---------------+-----------------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | GlobalLimitExec: skip=0, fetch=10 |
| | SortExec: TopK(fetch=10), expr=[number@0 DESC] |
| | StreamScanAdapter { stream: "<SendableRecordBatchStream>" } |
| | |
+---------------+-----------------------------------------------------------------+
+---------------+---------------------------------------------------------+
| plan_type | plan |
+---------------+---------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | GlobalLimitExec: skip=0, fetch=10 |
| | SortExec: TopK(fetch=10), expr=[number@0 DESC] |
| | SinglePartitionScanner: <SendableRecordBatchStream> |
| | |
+---------------+---------------------------------------------------------+
-- SQLNESS REPLACE (peers.*) REDACTED
explain select * from numbers order by number asc limit 10;
+---------------+-----------------------------------------------------------------+
| plan_type | plan |
+---------------+-----------------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | GlobalLimitExec: skip=0, fetch=10 |
| | SortExec: TopK(fetch=10), expr=[number@0 ASC NULLS LAST] |
| | StreamScanAdapter { stream: "<SendableRecordBatchStream>" } |
| | |
+---------------+-----------------------------------------------------------------+
+---------------+------------------------------------------------------------+
| plan_type | plan |
+---------------+------------------------------------------------------------+
| logical_plan | MergeScan [is_placeholder=false] |
| physical_plan | GlobalLimitExec: skip=0, fetch=10 |
| | SortExec: TopK(fetch=10), expr=[number@0 ASC NULLS LAST] |
| | SinglePartitionScanner: <SendableRecordBatchStream> |
| | |
+---------------+------------------------------------------------------------+