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https://issues.apache.org/jira/browse/DRILL-1941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14370244#comment-14370244
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Sean Hsuan-Yi Chu commented on DRILL-1941:
------------------------------------------
The original failing query was a little too complex. I simplify it to the
following:
{code:sql}
"select q.name as name, q.comment as comment \n" +
"from \n" +
"(select employee.first_name as name, nation.n_comment as comment,
employee.full_name AS full_name \n" +
"from cp.`tpch/nation.parquet` nation INNER JOIN cp.`employee.json`
employee \n" +
"on (nation.n_nationkey = employee.employee_id) \n" +
"order by employee.full_name) q";
{code}
> select from subquery having an order by fails
> ---------------------------------------------
>
> Key: DRILL-1941
> URL: https://issues.apache.org/jira/browse/DRILL-1941
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.8.0
> Reporter: Krystal
> Assignee: Sean Hsuan-Yi Chu
> Fix For: 0.9.0
>
> Attachments: drill_err.log
>
>
> git.commit.id.abbrev=b491cdb
> The following query fails:
> 0: jdbc:drill:schema=dfs> select q.name as name, q.registration as
> registration from (select cast(student.name as varchar(30)) as name,
> cast(voter.registration as varchar(20)) as registration from
> `dfs`.`default`.`voter` voter full outer join `dfs`.`default`.`./student`
> student on (student.name = voter.name) where student.age < 30 order by
> student.name) q;
> Query failed: Query failed: Unexpected exception during fragment
> initialization: -1
> Error: exception while executing query: Failure while executing query.
> (state=,code=0)
> Running the same query with "explain plan for" also fail with the same error.
> If I remove the "order by student.name" from the sub-query, the query run
> successfully.
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