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Posted to issues@drill.apache.org by "Aman Sinha (JIRA)" <ji...@apache.org> on 2015/04/29 22:32:06 UTC
[jira] [Assigned] (DRILL-2094) Drill has problems with reading json
fields when used in a subquery
[ https://issues.apache.org/jira/browse/DRILL-2094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aman Sinha reassigned DRILL-2094:
---------------------------------
Assignee: Aman Sinha (was: Sean Hsuan-Yi Chu)
> 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: Aman Sinha
> Fix For: 0.9.0
>
> 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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