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https://issues.apache.org/jira/browse/DRILL-4806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gautam Kumar Parai reassigned DRILL-4806:
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Assignee: Gautam Kumar Parai
> need a better error message
> ----------------------------
>
> Key: DRILL-4806
> URL: https://issues.apache.org/jira/browse/DRILL-4806
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 1.8.0
> Reporter: Khurram Faraaz
> Assignee: Gautam Kumar Parai
> Priority: Minor
> Labels: window_function
>
> Need a better error message, column c2 is of type CHAR.
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> SELECT MAX(AVG(c2)) OVER ( PARTITION BY c2
> ORDER BY c2 ), c2 FROM `tblWnulls.parquet` GROUP BY c2;
> Error: SYSTEM ERROR: SchemaChangeException: Failure while trying to
> materialize incoming schema. Errors:
> Error in expression at index -1. Error: Missing function implementation:
> [castINT(BIT-OPTIONAL)]. Full expression: --UNKNOWN EXPRESSION--..
> Fragment 0:0
> [Error Id: 076464ff-7385-4bee-9704-38dec781af32 on centos-01.qa.lab:31010]
> (state=,code=0)
> {noformat}
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