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https://issues.apache.org/jira/browse/DERBY-4949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas closed DERBY-4949.
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Resolution: Fixed
Fix Version/s: 10.8.0.0
> Backward, confusing error message when you use the wrong ResultSet.getXXX()
> method in the client driver
> -------------------------------------------------------------------------------------------------------
>
> Key: DERBY-4949
> URL: https://issues.apache.org/jira/browse/DERBY-4949
> Project: Derby
> Issue Type: Bug
> Components: Network Client
> Affects Versions: 10.8.0.0
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Fix For: 10.8.0.0
>
> Attachments: derby-4949-01-aa-fixCursor.diff, zz.java
>
>
> If you try to get a Time value out of an INTEGER column, the client driver
> gives this error. I believe that similar nonsense comes back when you try
> other mismatched getters on other datatypes:
> "An attempt was made to get a data value of type 'java.sql.Types 4' from
> a data value of type 'java.sql.Time'."
> The exception is a java.sql.SQLDataException with SQLState 22005. The
> embedded driver returns a better message:
> "An attempt was made to get a data value of type 'java.sql.Time' from a
> data value of type INTEGER'."
> I recommend two improvements to the utility method which generates these
> exceptions:
> 1) Flip the order of the type names.
> 2) Use the ResultSetMetaData to look up the source data type name.
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