[Proposal] Add ALP encoding support in parquet file format

[prtkgaur]

Describe the enhancement requested

Tracks support for ALP encoding in Parquet File format
Proposal : ALP : Floating point encoding for Parquet

[Bukhtawar]

Thanks @prtkgaur
This is pretty exciting, are you actively working on this, would love to collaborate on this.

[alamb]

There has been quite a bit of work:

• C/C++ prototype: [ALP][Parquet] Add C++ implementation of ALPpd encoder/decoder arrow#48701
• Spec document
• GH-533: Adaptive Lossless Floating-Point (ALP) Encoding #548