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From "Sean Hsuan-Yi Chu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2094) Drill has problems with reading json fields when used in a subquery
Date Tue, 24 Mar 2015 21:16:54 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378638#comment-14378638
] 

Sean Hsuan-Yi Chu commented on DRILL-2094:
------------------------------------------

commit#: 07a981797dd6094ad0706c7e45d6afc0899a5510

> Drill has problems with reading json fields when used in a subquery
> -------------------------------------------------------------------
>
>                 Key: DRILL-2094
>                 URL: https://issues.apache.org/jira/browse/DRILL-2094
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Rahul Challapalli
>            Assignee: Sean Hsuan-Yi Chu
>             Fix For: 1.0.0
>
>         Attachments: DRILL-2094.1.patch
>
>
> git.commit.id.abbrev=3e33880
> Data Set :
> {code}
> {
>   "id" : 1,
>   "list" : [1,2]
> }
> {code} 
> The below query works
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select id from `temp1.json` order by list[0];
> +------------+
> |     id     |
> +------------+
> | 1          |
> +------------+
> 1 row selected (0.146 seconds)
> {code}
> However when I used the same exact query as part of a sub-query, I get an error from
drill
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select s.id from (select id from `temp1.json`
order by list[0]) s;
> Query failed: SqlValidatorException: Table 'list' not found
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> Explain plan also does not work and it returns the same problem



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