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Parquet Preview: Add support for Delta Encoding

Open mkfrey opened this issue 2 years ago • 1 comments

Preflight Checklist

Problem

I'm unable to preview Parquet files created with delta encoded numbers. When trying to preview such a file, I get the error message "invalid encoding: DELTA_BINARY_PACKED".

Desired Solution

Preview of Parquet files with delta encoded numbers should be possible.

Alternatives and Workarounds

No response

Additional Context

No response

mkfrey avatar Nov 13 '23 10:11 mkfrey

@JasonYeMSFT please determine if the parquet-js library needs modification to support delta encoding. If so, then open an issue and we can triage this into near future. If instead supporting delta encoding only requires work on our side, please provide a cost estimation for that work so we can triage into a milestone.

MRayermannMSFT avatar Nov 13 '23 19:11 MRayermannMSFT