datafusion

datafusion copied to clipboard

WIP: Generate docs from macros.

9

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

comphead

## Which issue does this PR close? Closes #13000. ## Rationale for this change These changes will allow functions to be implemented that produce a unique result for each call...

agscpp

Do not push down filter through distinct on

2

## Which issue does this PR close? Closes #12942. ## Rationale for this change Written in issue. ## What changes are included in this PR? Fix for PushDownFilter with DistinctOn....

epsio-banay

Add regexp function - regexp_instr()

1

### Is your feature request related to a problem or challenge? Add regexp_instr() ### Describe the solution you'd like _No response_ ### Describe alternatives you've considered _No response_ ### Additional...

jonathanc-n

CrossJoin Implementation on (M x N) Partitions

1

### Is your feature request related to a problem or challenge? There is a TODO item in CrossJoin: https://github.com/apache/arrow-datafusion/blob/2f550032140d42d1ee6d8ed86f7790766fa7302e/datafusion/physical-plan/src/joins/cross_join.rs#L122 Currently CrossJoin partition count is the partition count of the right...

berkaysynnada

Volatility::Volatile does not work for functions with arguments

1

### Describe the bug For functions whose signature contains Volatility::Volatile and arguments, invoke is called once and without _number_rows ### To Reproduce ``` **TABLE:** "+-------+", // "| value |", //...

agscpp

Implement `Eq`, `PartialEq`, `Hash` for `dyn PhysicalExpr`

1

## Which issue does this PR close? Part of https://github.com/apache/datafusion/issues/12599. ## Rationale for this change Common subexpression elimination will require `Arc` tree nodes to implement `Eq`, `PartialEq`, `Hash`. ## What...

peter-toth

[EPIC] A list of performance improvement tickets

4

This has a list of performance improvements: - [x] https://github.com/apache/arrow-datafusion/issues/5230 - [x] https://github.com/apache/arrow-datafusion/issues/4973 - [ ] https://github.com/apache/arrow-datafusion/issues/4904 - [x] https://github.com/apache/arrow-datafusion/issues/2427 - [x] https://github.com/apache/arrow-datafusion/issues/5061 - [x] https://github.com/apache/arrow-datafusion/issues/956 - [x] https://github.com/apache/arrow-datafusion/issues/850 -...

alamb

Implement physical optimizer rule for common subexpression elimination

5

### 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...

andygrove

Add additional regexp functions

8

### Is your feature request related to a problem or challenge? I would like to see the following regexp functions implemented. These exist in some, but not all, versions of...

timsaucer