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https://issues.apache.org/jira/browse/PARQUET-2075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17651839#comment-17651839
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ASF GitHub Bot commented on PARQUET-2075:
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shangxinli commented on PR #1014:
URL: https://github.com/apache/parquet-mr/pull/1014#issuecomment-1364593726
If you can add more unit tests, particularly the combinations of prune,
mask, trans-compression etc.
> Unified Rewriter Tool
> -----------------------
>
> Key: PARQUET-2075
> URL: https://issues.apache.org/jira/browse/PARQUET-2075
> Project: Parquet
> Issue Type: New Feature
> Reporter: Xinli Shang
> Assignee: Gang Wu
> Priority: Major
>
> During the discussion of PARQUET-2071, we came up with the idea of a
> universal tool to translate the existing file to a different state while
> skipping some level steps like encoding/decoding, to gain speed. For example,
> only decompress pages and then compress directly. For PARQUET-2071, we only
> decrypt and then encrypt directly. This will be useful for the existing data
> to onboard Parquet features like column encryption, zstd etc.
> We already have tools like trans-compression, column pruning etc. We will
> consolidate all these tools with this universal tool.
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