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https://issues.apache.org/jira/browse/DERBY-2453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480943
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Kathey Marsden commented on DERBY-2453:
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Actually client is not consistent on this for the statement
call testproc()
where testproc does not return a ResultSet , getMetaData returns a null
ResultSetMetaData object. So my vote is to match embedded and always return a
null ResultSetMetaData object if there is no ResultSet.
> client and embedded differ for return value for PreparedStatement.getMetaData
> if there is no ResultSet returned
> ---------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-2453
> URL: https://issues.apache.org/jira/browse/DERBY-2453
> Project: Derby
> Issue Type: Task
> Components: JDBC, Newcomer
> Affects Versions: 10.3.0.0
> Reporter: Kathey Marsden
>
> Embedded will return a null value for PreparedStatement.getMetaData() if no
> ResultSet is returned. Client will return a ResultSetMetaData object with 0
> columnCount. Looking at the javadoc for getMetaData() it says it returns
> "the description of a ResultSet object's columns or null if the driver cannot
> return a ResultSetMetaData object"
> So I am not sure which is the preferable behavior, but it should be the same.
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