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Posted to issues@drill.apache.org by "Abhishek Girish (JIRA)" <ji...@apache.org> on 2015/12/04 02:33:10 UTC
[jira] [Commented] (DRILL-4160) Order By on a flattened column
throws SchemaChangeException - Missing function implementation
[ https://issues.apache.org/jira/browse/DRILL-4160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15039554#comment-15039554 ]
Abhishek Girish commented on DRILL-4160:
----------------------------------------
Drill 1.3.0 - Nov 7 (Commit ID: 3a73f098560c87db84d2a48490b944e465510287)
> Order By on a flattened column throws SchemaChangeException - Missing function implementation
> ---------------------------------------------------------------------------------------------
>
> Key: DRILL-4160
> URL: https://issues.apache.org/jira/browse/DRILL-4160
> Project: Apache Drill
> Issue Type: Bug
> Components: SQL Parser, Storage - JSON
> Reporter: Abhishek Girish
> Attachments: drillbit.log.txt
>
>
> Query with an ORDER BY clause on a flattened column fails:
> {code}
> > select `name`, `type`, flatten(kvgen(`compliments`)) as `compliments` from `user` order by `name`, `type`, `compliments` limit 2;
> Error: SYSTEM ERROR: SchemaChangeException: Failure while trying to materialize incoming schema. Errors:
> Error in expression at index 2. Error: Missing function implementation: [hash64asdouble(MAP-REQUIRED, BIGINT-REQUIRED)]. Full expression: null..
> Fragment 3:0
> [Error Id: 3b3d3224-953a-46a2-8caa-fa6949e58ffd on abhi1:31010] (state=,code=0)
> {code}
> Query without order by on the flatten column executes fine.
> {code}
> > select `name`, `type`, flatten(kvgen(`compliments`)) as `compliments` from `user` order by `name`, `type` limit 2;
> +--------------------+-------+--------------------------------+
> | name | type | compliments |
> +--------------------+-------+--------------------------------+
> | Kurt | user | {"key":"cute","value":1.0} |
> | Kurt | user | {"key":"writer","value":1.0} |
> +--------------------+-------+--------------------------------+
> 2 rows selected (4.239 seconds)
> {code}
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