RE: [Springframework-developer] JdbcHelper

[<rod...@in...>]

>Finally, I've also moved ColumnExtractor and 
DefaultColumnExtractor to the sandbox: They were just used by 
JdbcHelper. 

Good. These were really intended for a simple reflective 
mapping approach that never eventuated. iBATIS does that kind 
of thing well, so we shouldn't reinvent it.