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From Kathey Marsden <kmarsdende...@sbcglobal.net>
Subject Re: behavior of Statement.getGeneratedKeys()
Date Tue, 11 Jul 2006 05:10:39 GMT
Rick Hillegas wrote:

>>>>> 1) Is this a bug? Should Statement.getGeneratedKeys() return a
>>>>> ResultSet whose column has the same type as the underyling
>>>>> autogenerated column?
Reading from the JDBC 3.0 and JDBC  4.0 spec it seems clear to me that 
we are not compliant and if non-compliance is a bug, this is  a bug. 
   The spec says: "Calling ResultSet.getMetaData on the ResultSet object 
returned by getGeneratedKeys will produce a ResultSetMetaData object 
that can be used to determine the number, type and properties of the 
generated keys."

>>>>> 2) If this is a bug, is it permitted to change this behavior in a
>>>>> minor release?

Of course debate continues,  but I think it would be first good to 
objectively assess what JDBC calls might be affected.    Perhaps 
whomever is considering making this change could do  a  thorough 
analysis and present it to the community. After that we could use this 
issue as a test case for  our goal  at 
http://wiki.apache.org/db-derby/ForwardCompatibility  as we look at 
potential risk and what level of consultation is needed with the user 
community for the change and when it is appropriate.  It should be a 
good test as our current documented behavior and the spec are at odds.


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