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Posted to issues@orc.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2021/08/16 21:47:00 UTC

[jira] [Updated] (ORC-837) Reuse HiveDecimalWritable in ConvertTreeReaderFactory

     [ https://issues.apache.org/jira/browse/ORC-837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated ORC-837:
------------------------------
    Affects Version/s: 1.8.0

> Reuse HiveDecimalWritable in ConvertTreeReaderFactory
> -----------------------------------------------------
>
>                 Key: ORC-837
>                 URL: https://issues.apache.org/jira/browse/ORC-837
>             Project: ORC
>          Issue Type: Improvement
>          Components: Java
>    Affects Versions: 1.8.0
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Minor
>             Fix For: 1.8.0
>
>
> https://github.com/apache/orc/blob/fb0ed31f15d9b77b76bc5dec8721f5d9ee129879/java/core/src/java/org/apache/orc/impl/ConvertTreeReaderFactory.java#L826
> Several places in {{ConvertTreeReaderFactory}} that creates a HiveDecimalWritable for each element being processed.  It is very common practice to keep a single instance of {{xyzWritable}} for re-use.  Do the same here.



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