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[Python] Add arrow::ArrayStatistics bindings #45457

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kou opened this issue Feb 7, 2025 · 1 comment
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[Python] Add arrow::ArrayStatistics bindings #45457

kou opened this issue Feb 7, 2025 · 1 comment
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Component: Python Type: enhancement
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20.0.0

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kou commented Feb 7, 2025

Describe the enhancement requested

We can get it by arrow::Array::statistics(). If we can get it, we can access to statistics in Parquet from read Arrow data.

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Python
kou added a commit to kou/arrow that referenced this issue Feb 17, 2025
@kou
apacheGH-45457: [Python] Add pyarrow.ArrayStatistics
cc2747c 
It's the bindings of `arrow::ArrayStatistics`. You can get it by
`pyarrow.Array.statistics()`.
@github-actions github-actions bot mentioned this issue Feb 17, 2025
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kou added a commit to kou/arrow that referenced this issue Feb 25, 2025
@kou
apacheGH-45457: [Python] Add pyarrow.ArrayStatistics
cd2aa85 
It's the bindings of `arrow::ArrayStatistics`. You can get it by
`pyarrow.Array.statistics()`.
kou added a commit that referenced this issue Feb 25, 2025
@kou @pitrou
GH-45457: [Python] Add pyarrow.ArrayStatistics (#45550)
631fa0a 
### Rationale for this change

Apache Arrow C++ can attach statistics read from Apache Parquet data to `arrow::Array`. If we have the bindings of the feature in Python, Python users can also use attached statistics. 

### What changes are included in this PR?

* Add `pyarrow.ArrayStatistics`
* Add `pyarrow.Array.statistics()`.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

Yes.
* GitHub Issue: #45457

Lead-authored-by: Sutou Kouhei <[email protected]>
Co-authored-by: Sutou Kouhei <[email protected]>
Co-authored-by: Antoine Pitrou <[email protected]>
Signed-off-by: Sutou Kouhei <[email protected]>
@kou kou added this to the 20.0.0 milestone Feb 25, 2025
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kou commented Feb 25, 2025

Issue resolved by pull request 45550
#45550

@kou kou closed this as completed Feb 25, 2025
arashandishgar pushed a commit to arashandishgar/arrow that referenced this issue Feb 25, 2025
@kou @pitrou @arashandishgar
apacheGH-45457: [Python] Add pyarrow.ArrayStatistics (apache#45550)
0936f1e 
### Rationale for this change

Apache Arrow C++ can attach statistics read from Apache Parquet data to `arrow::Array`. If we have the bindings of the feature in Python, Python users can also use attached statistics. 

### What changes are included in this PR?

* Add `pyarrow.ArrayStatistics`
* Add `pyarrow.Array.statistics()`.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

Yes.
* GitHub Issue: apache#45457

Lead-authored-by: Sutou Kouhei <[email protected]>
Co-authored-by: Sutou Kouhei <[email protected]>
Co-authored-by: Antoine Pitrou <[email protected]>
Signed-off-by: Sutou Kouhei <[email protected]>
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