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From "Victoria Markman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2341) Type information is lost if list of fields is specified during create view
Date Wed, 25 Mar 2015 19:16:53 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14380568#comment-14380568
] 

Victoria Markman commented on DRILL-2341:
-----------------------------------------

Venki, I reassigned this bug to you on Jacques request.

> Type information is lost if list of fields is specified during create view
> --------------------------------------------------------------------------
>
>                 Key: DRILL-2341
>                 URL: https://issues.apache.org/jira/browse/DRILL-2341
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Metadata
>    Affects Versions: 0.8.0
>            Reporter: Victoria Markman
>            Assignee: Venki Korukanti
>             Fix For: 0.9.0
>
>
> List of fields is not provided, type information is correct.
> {code}
> 0: jdbc:drill:schema=dfs> create view v1 as select cast(a1 as int), cast(b1 as varchar(10)),
cast(c1 as date) from t1;
> +------------+------------+
> |     ok     |  summary   |
> +------------+------------+
> | true       | View 'v1' created successfully in 'dfs.aggregation' schema |
> +------------+------------+
> 1 row selected (0.063 seconds)
> 0: jdbc:drill:schema=dfs> describe v1;
> +-------------+------------+-------------+
> | COLUMN_NAME | DATA_TYPE  | IS_NULLABLE |
> +-------------+------------+-------------+
> | EXPR$0      | INTEGER    | NO          |
> | EXPR$1      | VARCHAR    | NO          |
> | EXPR$2      | DATE       | NO          |
> +-------------+------------+-------------+
> 3 rows selected (0.102 seconds)
> {code}
> List of fields is specified, type information is lost
> {code}
> 0: jdbc:drill:schema=dfs> create view v2(x,y,z) as select cast(a1 as int), cast(b1
as varchar(10)), cast(c1 as date) from t1;
> +------------+------------+
> |     ok     |  summary   |
> +------------+------------+
> | true       | View 'v2' created successfully in 'dfs.aggregation' schema |
> +------------+------------+
> 1 row selected (0.049 seconds)
> 0: jdbc:drill:schema=dfs> describe v2;
> +-------------+------------+-------------+
> | COLUMN_NAME | DATA_TYPE  | IS_NULLABLE |
> +-------------+------------+-------------+
> | x           | ANY        | NO          |
> | y           | ANY        | NO          |
> | z           | ANY        | NO          |
> +-------------+------------+-------------+
> 3 rows selected (0.084 seconds)
> {code}



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