[ALP][Parquet] Add C++ implementation of ALPpd encoder/decoder
Open
Component: C++
Type: enhancement
- Dominant language
- C++
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Description
### Describe the enhancement requested
Implement ALPpd in arrow c++ code.
Discussion doc : https://docs.google.com/document/d/1PlyUSfqCqPVwNt8XA-CfRqsbc0NKRG0Kk1FigEm3JOg/edit?tab=t.0
Spec : https://docs.google.com/document/d/1xz2cudDpN2Y1ImFcTXh15s-3fPtD_aWt/edit
Parquet Format : https://github.com/apache/parquet-format/issues/533
### Component(s)
C++
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