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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2183) Flatten behavior not consistent with rest of drill when we use it on a non-existent field
Date Mon, 09 Feb 2015 03:50:34 GMT

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

Jacques Nadeau updated DRILL-2183:
----------------------------------
    Priority: Minor  (was: Major)

> 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 - Relational Operators
>            Reporter: Rahul Challapalli
>            Priority: Minor
>
> 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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