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Posted to issues@drill.apache.org by "Chris Westin (JIRA)" <ji...@apache.org> on 2015/04/01 17:12:53 UTC

[jira] [Updated] (DRILL-2183) Flatten behavior not consistent with rest of drill when we use it on a non-existent field

     [ https://issues.apache.org/jira/browse/DRILL-2183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Westin updated DRILL-2183:
--------------------------------
    Fix Version/s:     (was: 0.9.0)
                   1.0.0

> Flatten behavior not consistent with rest of drill when we use it on a non-existent field
> -----------------------------------------------------------------------------------------
>
>                 Key: DRILL-2183
>                 URL: https://issues.apache.org/jira/browse/DRILL-2183
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types
>            Reporter: Rahul Challapalli
>            Assignee: Deneche A. Hakim
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> git.commit.id.abbrev=c54bd6a
> Projecting a non-existent column
> {code}
> 0: jdbc:drill:schema=dfs_eea> select field_not_present from `data1.json`;
> +-------------------+
> | field_not_present |
> +-------------------+
> | null              |
> | null              |
> +-------------------+
> {code}
> Using a non existent column in a function :
> {code}
> 0: jdbc:drill:schema=dfs_eea> select MAX(field_not_present) from `data1.json`;
> +------------+
> |   EXPR$0   |
> +------------+
> | null       |
> +------------+
> 1 row selected (0.07 seconds)
> {code}
> Using a non-existent column in a filter
> {code}
> 0: jdbc:drill:schema=dfs_eea> select MAX(uid) from `data1.json` where field_not_present > 1;
> +------------+
> |   EXPR$0   |
> +------------+
> +------------+
> {code}
> However when we use flatten things work differently
> {code}
> 0: jdbc:drill:schema=dfs_eea> select uid , flatten(field_not_present) from `data1.json`;
> Query failed: RemoteRpcException: Failure while running fragment., org.apache.drill.exec.vector.NullableIntVector cannot be cast to org.apache.drill.exec.vector.RepeatedVector [ afe463ac-2523-43b2-882f-814ae4a116e1 on qa-node191.qa.lab:31010 ]
> [ afe463ac-2523-43b2-882f-814ae4a116e1 on qa-node191.qa.lab:31010 ]
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> Even if we do not make it consistent, we should at-least make the error message more clear



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