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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4230) DatabaseMetaData.getColumns() returns extra column from view with group by and expression in SELECT list
Date Thu, 14 May 2009 20:17:45 GMT
DatabaseMetaData.getColumns() returns extra column from view with group by and  expression
in SELECT list
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                 Key: DERBY-4230
                 URL: https://issues.apache.org/jira/browse/DERBY-4230
             Project: Derby
          Issue Type: Bug
          Components: JDBC
    Affects Versions: 10.3.2.1
            Reporter: Kathey Marsden
         Attachments: create.sql, ViewTest.java

DatabaseMetaData.getColumns() returns an extra column for a view with a group by and an expression
in the select list.  I will attach the reproduction. Run the script create.sql and then the
program ViewTest.

This is a regression in version 10.3, It ran ok on latest on the 10.1 and 10.2 branches.

The ResultSetMetaData appears to return the correct number of columns  when you select from
the view, but it would be nice to add a regression test for that too.

See discussion on derby-dev.

http://www.nabble.com/extra-column-in-DatabaseMetaData.getColumns()-with-group-by-in-view-td23545576.html


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