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Posted to dev@parquet.apache.org by "Viacheslav Shalamov (Jira)" <ji...@apache.org> on 2019/12/11 15:20:00 UTC

[jira] [Updated] (PARQUET-1718) Store int16 as int16

     [ https://issues.apache.org/jira/browse/PARQUET-1718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Viacheslav Shalamov updated PARQUET-1718:
-----------------------------------------
    Description: 
When writing a POJO with `short` field, it ends up in parquet file as 32-bit int because of:

??16-bit ints are not explicitly supported in the storage format since they are covered by 32-bit ints with an efficient encoding.??
??[https://github.com/apache/parquet-format#types]??
How about annotating it with logical type `IntType (bitWidth = 16, isSigned = true)` ?

  was:
When writing a POJO with `short` field, it ends up in parquet file as 32-bit int because of:

??16-bit ints are not explicitly supported in the storage format since they are covered by 32-bit ints with an efficient encoding.??


> Store int16 as int16
> --------------------
>
>                 Key: PARQUET-1718
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1718
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-mr
>            Reporter: Viacheslav Shalamov
>            Priority: Major
>
> When writing a POJO with `short` field, it ends up in parquet file as 32-bit int because of:
> ??16-bit ints are not explicitly supported in the storage format since they are covered by 32-bit ints with an efficient encoding.??
> ??[https://github.com/apache/parquet-format#types]??
> How about annotating it with logical type `IntType (bitWidth = 16, isSigned = true)` ?



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