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## Which issue does this PR close? Add example comment on window expr ## Rationale for this change ## What changes are included in this PR? ## Are these changes...

caicancai

Move `make_array` to datafusion-functions

3

### Is your feature request related to a problem or challenge? Part of https://github.com/apache/arrow-datafusion/issues/9285 and https://github.com/apache/arrow-datafusion/issues/8045 The goal is to extract function definitions out of the datafusion core. Note the...

alamb

Move `arrow_cast` to `datafusion-functions` crate

1

### Is your feature request related to a problem or challenge? Part of https://github.com/apache/arrow-datafusion/issues/9285 and https://github.com/apache/arrow-datafusion/issues/8045 The goal is to extract function definitions out of the datafusion core. This ticket...

alamb

[EPIC] Unify Function Interface (remove `BuiltInScalarFunction`)

15

### Is your feature request related to a problem or challenge? This is based on the wonderful writeup from @2010YOUY01 in https://github.com/apache/arrow-datafusion/issues/7977 As previously discussed in https://github.com/apache/arrow-datafusion/issues/7110 https://github.com/apache/arrow-datafusion/pull/7752 there are...

alamb

### Is your feature request related to a problem or challenge? This ticket has links a collection of various ways to make queries with `LIMIT` or various other variants (like...

alamb

[EPIC] (Even More) Grouping / Group By / Aggregation Performance

10

### Is your feature request related to a problem or challenge? Aggregation is a key operation of Analytic engines. DataFusion has made great progress recently (e.g. https://github.com/apache/arrow-datafusion/issues/4973 and https://github.com/apache/arrow-datafusion/issues/6889) This...

alamb

consolidate all the `InList` rewrites into a single pass

7

Thank you @guojidan -- this looks good to me. I think as a follow on PR it would be nice to consolidate all the `InList` rewrites into a single pass...

guojidan

[EPIC] Streaming partitioned writes

11

### Is your feature request related to a problem or challenge? This is a tracking epic for a collection of features related to writing data. The basic idea is better...

alamb

add `udtf` to `FunctionRegistry

7

### Is your feature request related to a problem or challenge? currently only the session context has `udtf` function. I think that this should instead be part of the `FunctionRegistry`...

universalmind303

Add support for `CopyTo::partition_by` field in datafusion_proto

4

After https://github.com/apache/arrow-datafusion/pull/9240 datafusion protobuf will will silently ignore partition_by options; The task is 1. add code to serialize / deserialize the `CopyTo::partition_by` field, added in https://github.com/apache/arrow-datafusion/pull/9240 to the existing serialization...

alamb