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https://issues.apache.org/jira/browse/NIFI-7462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17113400#comment-17113400
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ASF subversion and git services commented on NIFI-7462:
-------------------------------------------------------

Commit b6ef7e13bf076fb88fd94ce49d2a217db3f19aaa in nifi's branch 
refs/heads/master from pcgrenier
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=b6ef7e1 ]

NIFI-7462: This adds a way to convert or cast a choice object into a valid type 
for use with calcite query functions

NIFI-7462: Update to allow FlowFile Table's schema to be more intelligent when 
using CHOICE types

NIFI-7462: Fixed checkstyle violation, removed documentation around the CAST 
functions that were no longer needed

Signed-off-by: Matthew Burgess <mattyb...@apache.org>

This closes #4282


> QueryRecord Choice datatype mapping
> -----------------------------------
>
>                 Key: NIFI-7462
>                 URL: https://issues.apache.org/jira/browse/NIFI-7462
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Core Framework
>            Reporter: Phillip Grenier
>            Assignee: Phillip Grenier
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> When a schema is defined with a Choice datatype["int","float"] at the root of 
> the schema there is no way to cast or choose how to evaluate the values in 
> the query. So they fail with an error in Calcite functions like sum.



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