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Posted to dev@parquet.apache.org by "Aliaksei Sandryhaila (JIRA)" <ji...@apache.org> on 2016/03/22 16:05:25 UTC

[jira] [Updated] (PARQUET-568) Read only specified top-level columns in DebugPrint

     [ https://issues.apache.org/jira/browse/PARQUET-568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aliaksei Sandryhaila updated PARQUET-568:
-----------------------------------------
    Summary: Read only specified top-level columns in DebugPrint  (was: Read only specified top-level columns)

> Read only specified top-level columns in DebugPrint
> ---------------------------------------------------
>
>                 Key: PARQUET-568
>                 URL: https://issues.apache.org/jira/browse/PARQUET-568
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-cpp
>            Reporter: Aliaksei Sandryhaila
>            Assignee: Aliaksei Sandryhaila
>
> At the moment, `ParquetFileReader` instantiates Scanners for all columns and reads contents of all columns. We should be able to specify a subset of top-level columns to be read.



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