datafusion

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## Which issue does this PR close? Closes #12862 ## Are there any user-facing changes? union with a single input no longer works

tokoko

POC: Try to optimize `columnized_output_exprs`

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## Which issue does this PR close? Just a POC for https://github.com/apache/datafusion/issues/13015#issuecomment-2424113317 ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested?...

goldmedal

Investigate why log.rs bug was not caught by tests

1

### Describe the bug While implementing https://github.com/apache/datafusion/pull/12972, I've pushed a commit with a bug for log(x,y) case. However, that CI tests were successful for that commit. Thanks to @berkaysynnada I've...

buraksenn

Removed last usages of scalar_inputs, scalar_input_types and inputs2 to use arrow unary/binary for performance

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## Which issue does this PR close? Closes #12923 . ## Rationale for this change Copy-pasta'ing the issue description here: In https://github.com/apache/datafusion/pull/12881, https://github.com/apache/datafusion/pull/12890 it turned out that make_function_scalar_inputs_return_type may lead...

buraksenn

POC: Vectorized hashtable for aggregation

1

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

Rachelint

fix: Dialect requires derived table alias

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## Which issue does this PR close? Closes #12993. ## Rationale for this change Fixes a bug preventing derived logical plans from running in MySQL due to a requirement that...

peasee

Add MemoryReservation to batch splitting in joins

2

### Is your feature request related to a problem or challenge? Follow on to https://github.com/apache/datafusion/pull/12969 and https://github.com/apache/datafusion/issues/12633 In https://github.com/apache/datafusion/issues/12633 @mhilton noted that joins sometimes generate giant record batches which causes...

alamb

Introduce `binary_as_string` parquet option

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## Which issue does this PR close? Closes #12788 . ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ## Are...

goldmedal

FFI initial implementation

2

## Which issue does this PR close? This is to address part of https://github.com/apache/datafusion-python/issues/823 downstream but may have wider application than just python. ## Rationale for this change This PR...

timsaucer

Release DataFusion 43.0.0

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### Is your feature request related to a problem or challenge? Tracking ticket for next release, also a place to track desired inclusions Last release was https://crates.io/crates/datafusion/42.0.0 September 17th, 2024...

alamb