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  1. Hive
  2. HIVE-5408

Method matching needs to be improved in NumericOpMethodResolver to suport decimal type with parameters

    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 0.12.0
    • Fix Version/s: None
    • Component/s: Types
    • Labels:
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      Description

      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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              • Assignee:
                xuefuz Xuefu Zhang
                Reporter:
                xuefuz Xuefu Zhang
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                Dates

                • Created:
                  Updated: