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Improve speed of `median` by implementing special `GroupsAccumulator` - #13681

Merged

Rachelint merged 21 commits into

apache:mainfrom

Rachelint:impl-group-accumulator-for-median

Jan 31, 2025

Merged

Improve speed of `median` by implementing special `GroupsAccumulator` #13681
Rachelint merged 21 commits into
apache:mainfrom
Rachelint:impl-group-accumulator-for-median

Commits on Jan 29, 2025
- draft of `MedianGroupAccumulator`.
  Rachelint
  committed
  cff822e
- impl `state`.
  Rachelint
  committed
  7f10006
- impl rest methods of `MedianGroupsAccumulator`.
  Rachelint
  committed
  6f172ef
- improve comments.
  Rachelint
  committed
  cacc693
- use `MedianGroupsAccumulator`.
  Rachelint
  committed
  11e6753
- remove unused import.
  Rachelint
  committed
  955036f
- add `group_median_table` to test group median.
  Rachelint
  committed
  17bd90b
- complete group median test cases in aggregate slt.
  Rachelint
  committed
  28d8716
- fix type of state.
  Rachelint
  committed
  1244df4
- Clippy
  
  Dandandan
  authored and
  Rachelint
  committed
  c812350
- Fmt
  
  Dandandan
  authored and
  Rachelint
  committed
  fdc9b33
- add fuzzy tests for median.
  Rachelint
  committed
  e2f384f
- fix decimal.
  Rachelint
  committed
  4b8a4ad
- fix clippy.
  Rachelint
  committed
  5603bc0
- improve comments.
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  committed
  7e6a73a
- add median cases with nulls.
  Rachelint
  committed
  1c7b57a
- Update datafusion/functions-aggregate/src/median.rs
  
  Rachelint
  and
  alamb
  committed
  5eb7711
- use `OffsetBuffer::new_unchecked` in `convert_to_state`.
  Rachelint
  committed
  5a52e7c
- add todo.
  Rachelint
  committed
  6f56a63
- remove assert and switch to i32 try from.
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  committed
  e963d50
- return error when try from failed.
  Rachelint
  committed
  5fd9d8e