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From Daniel John Debrunner <...@apache.org>
Subject Re: Soft upgrade
Date Thu, 22 Mar 2007 17:16:20 GMT

> Mamta Satoor wrote:
>> If user is allowed to do DDL 
>> and DML, then Derby must have special code for soft upgrade which 
>> prevents operations which can result in change in data structures 
>> which are not compatible with the actual database version.

DataDictionary.checkVersion()

The SQL compile code also has some compile-time utility methods that end 
up calling this method, i think in QueryTreeNode.

Dan.




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