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https://issues.apache.org/jira/browse/SPARK-11151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davies Liu updated SPARK-11151:
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Target Version/s: (was: 1.6.0)
> Use Long internally for DecimalType with precision <= 18
> --------------------------------------------------------
>
> Key: SPARK-11151
> URL: https://issues.apache.org/jira/browse/SPARK-11151
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Davies Liu
>
> It's expensive to create a Decimal object for small, we could use Long
> directly, just like what we had done for Date and Timestamp.
> This will involved lots of change that including:
> 1) inbound/outbound conversion
> 2) access/storage in InternalRow
> 3) all the expression that support DecimalType
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