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https://issues.apache.org/jira/browse/SPARK-12848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15102812#comment-15102812
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Herman van Hovell commented on SPARK-12848:
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[~Davies] We discussed the regression in the PR
(https://github.com/apache/spark/pull/10745). I removed the functionality you
currently ask for today
(https://github.com/hvanhovell/spark/commit/7e31ee8a8ac36a600e0965ceefd297c33ffe0edc).
We can revert this, the only thing is that we need to disable some Hive tests
(which expect a Double).
> Parse number as decimal
> -----------------------
>
> Key: SPARK-12848
> URL: https://issues.apache.org/jira/browse/SPARK-12848
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Davies Liu
>
> Right now, Hive parser will parse 1.23 as double, when it's used with decimal
> columns, you will turn the decimal into double, lose the precision.
> We should follow most database had done, parse 1.23 as double, it will be
> converted into double when used with double.
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