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https://issues.apache.org/jira/browse/PARQUET-673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe L. Korn reassigned PARQUET-673:
-----------------------------------
Assignee: Uwe L. Korn
> No compression for schema prefixed column paths
> -----------------------------------------------
>
> Key: PARQUET-673
> URL: https://issues.apache.org/jira/browse/PARQUET-673
> Project: Parquet
> Issue Type: Bug
> Components: parquet-cpp
> Environment: Latest parquet-cpp repository with support for
> compressed writes
> Reporter: Léo Gouttefarde
> Assignee: Uwe L. Korn
> Priority: Minor
>
> One issue I noticed in the file-serialize-test : building properties with the
> column path "schema.int64" for compression does not work (data is not getting
> compressed), I had to remove the "schema." prefix for it to work (even though
> the GroupNode is created with the "schema" prefix).
> So in parquet-cpp/src/parquet/file/file-serialize-test.cc :
> This line : WriterProperties::Builder().compression("schema.int64",
> codec_type)->build();
> Needs to be : WriterProperties::Builder().compression("int64",
> codec_type)->build();
> The test itself is not failing because it does not check that compression is
> actually happening, it just runs on uncompressed data every time.
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