[jira] [Assigned] (PARQUET-1951) Allow different strategies to combine key values when merging parquet files

["Gabor Szadovszky (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PARQUET-1951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gabor Szadovszky reassigned PARQUET-1951:
-----------------------------------------

    Assignee: satish

> Allow different strategies to combine key values when merging parquet files
> ---------------------------------------------------------------------------
>
>                 Key: PARQUET-1951
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1951
>             Project: Parquet
>          Issue Type: Improvement
>            Reporter: satish
>            Assignee: satish
>            Priority: Minor
>
> I work on Apache Hudi project. We store some additional metadata in parquet files (key range in the file, for example).  So the metadata is different in different parquet files that we want to merge these files. 
> Here is what I'm thinking:
> 1) Merge command takes additional command line option: --strategy <StrategyClassName>. 
> 2) We introduce new strategy class in parquet-hadoop to keep the same behavior as today.  
> We can extend that class and provide our custom implementation.



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