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https://issues.apache.org/jira/browse/DRILL-5454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15991325#comment-15991325
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Khurram Faraaz commented on DRILL-5454:
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Does your array hold the same type of data in it ?
Can you please share your SQL query that failed ?
> REPEATED_COUNT throws error when used in where clause
> -----------------------------------------------------
>
> Key: DRILL-5454
> URL: https://issues.apache.org/jira/browse/DRILL-5454
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Rakesh
>
> I have a parquet file with an array column, when I use the function
> 'REPEATED_COUNT' in select column it works fine, but when used in where
> clause I get an error:
> org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR:
> SchemaChangeException: Failure while trying to materialize incoming schema.
> Errors: Error in expression at index 2. Error: Missing function
> implementation: [repeated_count(INT-OPTIONAL)]. Full expression: null..
> Fragment 1:4 [Error Id: 1a9b034c-949a-4faa-9185-55d40e4851e7 on
> uswxapcsd043.ussdnve.baml.com:31010]
> (org.apache.drill.exec.exception.SchemaChangeException) Failure while trying
> to materialize incoming schema. Errors: Error in expression at index 2.
> Error: Missing function implementation: [repeated_count(INT-OPTIONAL)]. Full
> expression: null..
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