datafusion

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## Which issue does this PR close? Closes https://github.com/apache/datafusion/issues/11143. ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ## Are there...

lewiszlw

### Describe the bug Maybe I'm doing something wrong with my union in [datafusion-functions-json](https://github.com/datafusion-contrib/datafusion-functions-json), but `is null` expressions never evaluate to true with the `JsonUnion` column. They behave as expected...

samuelcolvin

## Which issue does this PR close? Closes #. ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ## Are there...

lewiszlw

Is pre-compile pattern string in regexp_match operation

3

### Is your feature request related to a problem or challenge? I noticed below code: https://github.com/apache/datafusion/blob/6a4a280e3cf70fe5f1a1cfe7c2de13e4c39f89bb/datafusion/physical-expr/src/expressions/binary.rs#L537-L564 This looks like every time record_batch is evaluated, it will execute the compiled pattern...

zhuliquan

ASOF join support / Specialize Range Joins

19

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** In many timeseries workloads, the need to join one record to another...

nugend

Implement physical plan serialization for COPY plans `CsvLogicalExtensionCodec`

1

### Is your feature request related to a problem or challenge? As part of https://github.com/apache/datafusion/pull/11060, @devinjdangelo made file format support into a Trait which is good! However the code to...

alamb

Remove `Min`/`Max` references from `AggregateStatistics`

1

### Is your feature request related to a problem or challenge? Part of https://github.com/apache/datafusion/issues/11151 (where we are removing special case uses of Min/Max) ### Describe the solution you'd like Reemove...

alamb

Remove `Min`/`Max` references from `AggregateExec::get_minmax_descr`

1

### Is your feature request related to a problem or challenge? Part of https://github.com/apache/datafusion/issues/11151 (where we are removing special case uses of Min/Max) ### Describe the solution you'd like Remove...

alamb

Consider using `Arc::clone` to clone Arcs to make it clear they aren't deep copies

1

### Is your feature request related to a problem or challenge? in https://github.com/apache/datafusion/pull/11103#discussion_r1653071246 @comphead noted that it is sometimes hard to tell if `.clone()` is a deep clone (and thus...

alamb

Feat: Implement hf:// / "hugging face" integration in datafusion-cli

13

## Which issue does this PR close? Closes #10720 ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ```bash # xinli...

xinlifoobar