kamille

__Steps to reproduce:__ I am reading 2.x source codes recently, and found series ids seems can be incomplete in some cases? I am not so sure about it... The `tagValueCache`'s...

## Which issue does this PR close? Closes #10906 ## Rationale for this change ## What changes are included in this PR? - Converts grouping to UDAF - Clean the...

## Rationale Layered memtable is only designed for append mode table now, and it shouldn't be used in overwrite mode table. ## Detailed Changes - Make default values in config...

Tracking issue for horaectl features

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### Describe This Problem Collect needed features for horaectl here. ## Horaemeta side - [ ] Support listing all stale table metas(generated from table creation failure) ## Horaedb side -...

feat: impl `put_multipart` in `object_store`

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close: #4748

Sketch for aggregation intermediate results blocked management

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## Which issue does this PR close? Part of #11931 , part of https://github.com/apache/datafusion/issues/7065 ## Rationale for this change Detail can see #11931 ## Are these changes tested? By exist...

Sqllogictest(parquet.slt) failed in rustc 1.81.0-nightly (cc8da78a0 2024-07-04) using main branch

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### Describe the bug I found test `parquet.slt` failed in my branch, then I swith to `main` and run again, and it failed too... But it can success in my...

POC: Vectorized hashtable for aggregation

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

Remove unnecessary null checks in `GroupColumn`s

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### Is your feature request related to a problem or challenge? As mentioned by @Dandandan in https://github.com/apache/datafusion/pull/12809#discussion_r1801678804 Some null checks are actullay unnecessary for arrays containing no nulls (basically we...

POC: Remove unnecessary null check for `GroupColumn`

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## Which issue does this PR close? Closes #. POC for checking #12944 , not for merged ## Rationale for this change ## What changes are included in this PR?...