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https://issues.apache.org/jira/browse/HIVE-5408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gunther Hagleitner updated HIVE-5408:
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Fix Version/s: (was: 0.14.0)
> Method matching needs to be improved in NumericOpMethodResolver to suport
> decimal type with parameters
> ------------------------------------------------------------------------------------------------------
>
> Key: HIVE-5408
> URL: https://issues.apache.org/jira/browse/HIVE-5408
> Project: Hive
> Issue Type: Improvement
> Components: Types
> Affects Versions: 0.12.0
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
>
> For non-generic UDFs, java reflection is used to determine which evaluate()
> is to be used for given input expressions. For this, method's argument type
> is matched against the expression's type. Currently a match exists only if
> the two types are exactly the same. However, for decimal with precision/and
> scale, we need to improve the matching, such that a method with decimal
> arugment should be picked for an input with, say, decimal(5,2).
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