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From "Gopal V (JIRA)" <>
Subject [jira] [Created] (HIVE-10286) SARGs: Type Safety via PredicateLeaf.type
Date Thu, 09 Apr 2015 21:57:12 GMT
Gopal V created HIVE-10286:

             Summary: SARGs: Type Safety via PredicateLeaf.type
                 Key: HIVE-10286
             Project: Hive
          Issue Type: Bug
          Components: File Formats, Serializers/Deserializers
            Reporter: Gopal V
            Assignee: Prasanth Jayachandran

The Sargs impl today converts the statsObj to the type of the predicate object before doing
any comparisons.

To satisfy the PPD requirements, the conversion has to be coerced to the type specified in

The type conversions in Hive are standard and have a fixed promotion order.

Therefore the PredicateLeaf has to do type changes which match the exact order of type coercions
offered by the FilterOperator.

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