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https://issues.apache.org/jira/browse/DERBY-4071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680464#action_12680464
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Aaron Digulla commented on DERBY-4071:
--------------------------------------
Thanks for the patch! I've successfully applied it to the official 10.4.2.0
release (only the GroupByNode.java; the tests fail) and my application works
now!
> AssertFailure when selecting rows from a table with CHARACTER and VARCHAR
> columns
> ---------------------------------------------------------------------------------
>
> Key: DERBY-4071
> URL: https://issues.apache.org/jira/browse/DERBY-4071
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.4.2.0
> Reporter: Aaron Digulla
> Assignee: Dag H. Wanvik
> Attachments: derby-4071.diff, derby-4071.stat, DerbyTest.java,
> trialPatch.diff
>
>
> When running a complex query on this table:
> [code]
> Create table DEMO.TEST (
> CHR CHARACTER(26) ,
> VCHR VARCHAR(25) )
> [code]
> then I get this exception:
> AssertFailure: ASSERT FAILED col1.getClass() (class ...SQLChar) expected to
> be the same as col2.getClass() (class ....SQLVarchar)' was thrown while
> evaluating an expression.
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