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https://issues.apache.org/jira/browse/DRILL-5520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Rogers reassigned DRILL-5520:
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Assignee: Paul Rogers
> Using directory aliases by themselves in SELECT causes Unsupported Operation
> Error
> ----------------------------------------------------------------------------------
>
> Key: DRILL-5520
> URL: https://issues.apache.org/jira/browse/DRILL-5520
> Project: Apache Drill
> Issue Type: Bug
> Components: SQL Parser
> Affects Versions: 1.9.0, 1.10.0
> Environment: MacOSX, Drill 1.9
> Reporter: Charles Givre
> Assignee: Paul Rogers
> Priority: Minor
>
> I have data that is nested in a directory structure. If I try to execute the
> following query
> {code:sql}
> SELECT dir0
> FROM dfs.`logs/`
> {code}
> I get the following error:
> org.apache.drill.common.exceptions.UserRemoteException: UNSUPPORTED_OPERATION
> ERROR: With extractHeader enabled, only header names are supported column
> name columns column index
> However, if I execute the same query with a second field:
> {code:sql}
> SELECT customer_id, dir0
> FROM dfs.`logs/`
> {code}
> This query executes without problem. It would seem as if Drill should
> support this kind of query.
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