Ted-Jiang opened a new issue, #2281:
URL: https://github.com/apache/arrow-datafusion/issues/2281
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
Use or we can get pushdown in parquet Exec
```
explain select count(*) from test where o_orderkey=2785313 or o_orderkey = 2 or o_orderkey = 3;
+---------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| plan_type | plan |
+---------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| logical_plan | Projection: #COUNT(UInt8(1)) |
| | Aggregate: groupBy=[[]], aggr=[[COUNT(UInt8(1))]] |
| | Filter: #test.o_orderkey = Int64(2785313) OR #test.o_orderkey = Int64(2) OR #test.o_orderkey = Int64(3) |
| | TableScan: test projection=Some([0]), partial_filters=[#test.o_orderkey = Int64(2785313) OR #test.o_orderkey = Int64(2) OR #test.o_orderkey = Int64(3)] |
| physical_plan | ProjectionExec: expr=[COUNT(UInt8(1))@0 as COUNT(UInt8(1))] |
| | HashAggregateExec: mode=Final, gby=[], aggr=[COUNT(UInt8(1))] |
| | CoalescePartitionsExec |
| | HashAggregateExec: mode=Partial, gby=[], aggr=[COUNT(UInt8(1))] |
| | CoalesceBatchesExec: target_batch_size=4096 |
| | FilterExec: o_orderkey@0 = 2785313 OR o_orderkey@0 = 2 OR o_orderkey@0 = 3 |
| | RepartitionExec: partitioning=RoundRobinBatch(16) |
| | ParquetExec: limit=None, partitions=[/Users/yangjiang/test-data/tpch-1g-oneFile/orders/part-00000-0e58b960-37a0-44c9-8561-53f0c32cf038-c000.snappy.parquet], predicate=o_orderkey_min@0 <= 2785313 AND 2785313 <= o_orderkey_max@1 OR o_orderkey_min@0 <= 2 AND 2 <= o_orderkey_max@1 OR o_orderkey_min@0 <= 3 AND 3 <= o_orderkey_max@1, projection=[o_orderkey] |
| |
```
But use `in` we can not push the filter down , get `predicate=true `
```
explain select count(*) from test where o_orderkey in(2785313, 2, 3);
+---------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| plan_type | plan |
+---------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| logical_plan | Projection: #COUNT(UInt8(1)) |
| | Aggregate: groupBy=[[]], aggr=[[COUNT(UInt8(1))]] |
| | Filter: #test.o_orderkey IN ([Int64(2785313), Int64(2), Int64(3)]) |
| | TableScan: test projection=Some([0]), partial_filters=[#test.o_orderkey IN ([Int64(2785313), Int64(2), Int64(3)])] |
| physical_plan | ProjectionExec: expr=[COUNT(UInt8(1))@0 as COUNT(UInt8(1))] |
| | HashAggregateExec: mode=Final, gby=[], aggr=[COUNT(UInt8(1))] |
| | CoalescePartitionsExec |
| | HashAggregateExec: mode=Partial, gby=[], aggr=[COUNT(UInt8(1))] |
| | CoalesceBatchesExec: target_batch_size=4096 |
| | FilterExec: o_orderkey@0 IN ([Literal { value: Int64(2785313) }, Literal { value: Int64(2) }, Literal { value: Int64(3) }]) |
| | RepartitionExec: partitioning=RoundRobinBatch(16) |
| | ParquetExec: limit=None, partitions=[/Users/yangjiang/test-data/tpch-1g-oneFile/orders/part-00000-0e58b960-37a0-44c9-8561-53f0c32cf038-c000.snappy.parquet], predicate=true, projection=[o_orderkey] |
| | |
+---------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
2 rows in set. Query took 0.007 seconds.
```
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alamb closed issue #2281: Support filter pushdown when using In_list on parquet URL: https://github.com/apache/arrow-datafusion/issues/2281 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscribe@arrow.apache.org For queries about this service, please contact Infrastructure at: users@infra.apache.org