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From "Daniel Barclay (Drill) (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (DRILL-2288) result set metadata not set for zero-row result (DatabaseMetaData.getColumns(...))
Date Sat, 15 Aug 2015 06:22:45 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643412#comment-14643412
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Daniel Barclay (Drill) edited comment on DRILL-2288 at 8/15/15 6:22 AM:
------------------------------------------------------------------------

Found (seeming) problem:  IterOutcome.OK_NEW_SCHEMA is never returned from ScanBatch.next()
when (first?) reader returns zero rows.


was (Author: dsbos):
Found (seeming) problem:  IterOutcome.OK_NEW_SCHEMA never returned from ScanBatch.next() when
(first?) reader return zero rows.

> result set metadata not set for zero-row result  (DatabaseMetaData.getColumns(...))
> -----------------------------------------------------------------------------------
>
>                 Key: DRILL-2288
>                 URL: https://issues.apache.org/jira/browse/DRILL-2288
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Information Schema
>            Reporter: Daniel Barclay (Drill)
>            Assignee: Daniel Barclay (Drill)
>             Fix For: 1.2.0
>
>         Attachments: Drill2288NoResultSetMetadataWhenZeroRowsTest.java
>
>
> The ResultSetMetaData object from getMetadata() of a ResultSet is not set up (getColumnCount()
returns zero, and trying to access any other metadata throws IndexOutOfBoundsException) for
a result set with zero rows, at least for one from DatabaseMetaData.getColumns(...).



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