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https://issues.apache.org/jira/browse/SPARK-27160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16796760#comment-16796760
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Dongjoon Hyun commented on SPARK-27160:
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Hi, [~sadhen]. Thank you so much for this contribution. Next time, please don't
set the `Fix Versions` and don't use `Blocker` priority. That is correct for
this issue, but there is a guide line for contribution in Apache Spark
community. In general, we had better respect the guideline.
- https://spark.apache.org/contributing.html
> Incorrect Literal Casting of DecimalType in OrcFilters
> ------------------------------------------------------
>
> Key: SPARK-27160
> URL: https://issues.apache.org/jira/browse/SPARK-27160
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Darcy Shen
> Priority: Blocker
> Labels: correctness
> Fix For: 3.0.0
>
>
> DecimalType Literal should not be casted to Long.
> eg. For `df.filter("x < 3.14")`, assuming df (x in DecimalType) reads from a
> ORC table and uses the native ORC reader with predicate push down enabled, we
> will push down the `x < 3.14` predicate to the ORC reader via a
> SearchArgument.
> OrcFilters will construct the SearchArgument, but not handle the DecimalType
> correctly.
> The previous impl will construct `x < 3` from `x < 3.14`.
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