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# Environment
**Delta-rs version**:
**Binding**:
**Environment**:
- **Cloud provider**:
- **OS**:
- **Other**:
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# Bug
**What happened**:
Reported in https://github.com/delta-…
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### Is your feature request related to a problem or challenge?
`first_value` and `last_value` window functions currently report their names as `FIRST_VALUE` but also have a lower case alias:
htt…
alamb updated
3 weeks ago
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
Similarly to https://github.com/apache/arrow-datafusion/issues/4580, I think systems built wi…
alamb updated
3 weeks ago
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### LanceDB version
0.9.0
### What happened?
ORDER BY clause not working as expected
### Are there known steps to reproduce?
```python
import lancedb
db = lancedb.connect("/tmp/db")
…
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### Is your feature request related to a problem or challenge?
https://github.com/apache/datafusion/pull/10473 improved the identifiers used in CSE but there are a few TODOs left in the code. Let's f…
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**Is your feature request related to a problem? Please describe.**
substrait-io is a project that aims to offer cross-language serialization for relational algebra. DataFusion has a producer and cons…
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**Describe the issue**
A clear and concise description of issue.
目前cnosdb的feature讨论,roadmap的制定,开发团队的例会等核心活动都是不对社区开放的,社区开发者很难知道cnosdb的开发方向和开发团队目前的工作动向;
我认为,既然cnosdb选择开源那就应该全部开源,一切都跟社区开放,这样才能对想参与开发的社…
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I would like to be able to set the `output_ordering` on the Parquet file opener in DataFusion:
https://github.com/delta-io/delta-rs/blob/a74589be7c39315360925049c716d1d70b906970/rust/src/delta_dataf…
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**Describe the problem**
This is NOT a bug, but an potential improvement goal
Datafusion v19.rc1 by default turn on `repartition_file_scans` at https://github.com/apache/arrow-datafusion/pull/529…
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Wondering if DISTINCT supports all types, incl binary, complex, etc? if its not we should be mentioning it in the doc, and double check it returns a respective error instead of crash/cor…