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### What is the problem the feature request solves?
The native planner currently injects a `CopyExec` around the left and right inputs to joins.
`CopyExec` is also injected around the input for `S…
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### What is the problem the feature request solves?
We currently delegate to DataFusion when casting between timestamps (as discovered in https://github.com/apache/datafusion-comet/pull/461) but I am…
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These are issues working on.
### Query engine (duckdb)
- [ ] Data/metadata caching
- [ ] Query caching
### Query engine (datafusion)
- [ ] Implementing new query engine using datafusion
- [ …
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### Is your feature request related to a problem or challenge?
Certain operators (eg `AggregateExec`, `SortExec`) are "greedy" in that they will continue processing batches as long as they are produc…
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**Context**
[arrow-datafusion](https://github.com/apache/arrow-datafusion) currently implements its own parser, [DFParser](https://github.com/apache/arrow-datafusion/blob/d2b3d1c7538b9fb7ab9cfc0c4c…
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### Is your feature request related to a problem or challenge?
When running TPC-H q1 in Spark + DataFusion Comet, the expression `l_extendedprice#21 * (1 - l_discount#22)` appears twice in the query …
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Including but not limited to:
- [x] #483
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### Is your feature request related to a problem or challenge?
This epic tracks an ordered list tasks related to the proposal: Decouple logical from physical types (#11513). The goal is:
> Logic…
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### Is your feature request related to a problem or challenge?
When writing a new UDF, a developer needs to decide how to perform error management in functions that return `Result`, such as `return…
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TLDR I would like to add a new `binary_as_string` option for paruet
```sql
CREATE EXTERNAL TABLE hits
STORED AS PARQUET
LOCATION 'hits_partitioned'
OPTIONS ('binary_as_string' 'true');
`…
alamb updated
5 hours ago