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Date: Mon, 11 May 2015 03:33:59 +0000 (UTC)
From: "Sean Hsuan-Yi Chu (JIRA)" <jira@apache.org>
To: dev@drill.apache.org
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Subject: [jira] [Created] (DRILL-3019) Extra column in Schema of Recordbatch
 from scanning Values
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Sean Hsuan-Yi Chu created DRILL-3019:
----------------------------------------

             Summary: Extra column in Schema of Recordbatch from scanning Values 
                 Key: DRILL-3019
                 URL: https://issues.apache.org/jira/browse/DRILL-3019
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - Other
            Reporter: Sean Hsuan-Yi Chu
            Assignee: Sean Hsuan-Yi Chu


A query which has a pattern:
column IN (1, 1 + 1, 1 + 2)

For the tuple, Calcite makes a plan like
{code}
UnionAll(all=[true])
  UnionAll(all=[true])
    Project(EXPR$0=[+(1, 1)])
      Values
    Project(EXPR$0=[+(1, 2)])
      Values
  Values
{/code}

At execution, the schema of the recordbatch from scanning Values is [`ZERO`(BIGINT: OPTIONAL),  `*`(BIGINT: OPTIONAL)].

The second column (i.e., `*`) is not supposed to be there.


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