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From "Matthew Jacobs (JIRA)" <>
Subject [jira] [Resolved] (IMPALA-4963) UDA cannot verify return type of finalize fn signature
Date Wed, 26 Jul 2017 16:05:00 GMT


Matthew Jacobs resolved IMPALA-4963.
       Resolution: Won't Fix
    Fix Version/s: Product Backlog

> UDA cannot verify return type of finalize fn signature
> ------------------------------------------------------
>                 Key: IMPALA-4963
>                 URL:
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 2.6.0
>            Reporter: Peter Ebert
>            Assignee: Bikramjeet Vig
>              Labels: crash, ramp-up
>             Fix For: Product Backlog
> When you create an a UDF and specify the return type, it checks the update function and
gives an error if the return type does not match the final value.  However if your final type
is different it will allow you to create a function that actually crashes Impala since the
final type doesnt match.
> As a side effect this results in being unable to have your intermediate type and final
type be different.

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