Greetings,

I am really hoping to get support for a legacy database (called OpenEdge,
formerly Progress) working with DataMapper.  I have a proprietary JDBC
driver that I am planning on using; so far I have it working fine executing
raw SQL from JRuby.

To figure out how to do this, I've looked a little through the DM code, but
as someone relatively new to Ruby / not smart I'm not 100% sure how to get
started.  So far I'm thinking I have to write some type of Ruby wrapper for
the JDBC driver, and then write some more Ruby that extends do_jdbc to get
the DataObjects API implemented.

I'm guessing that I could follow the route of the Derby
driver<https://github.com/datamapper/do/tree/master/do_derby>as it
looks simple enough for me to maybe grasp.

If my assumptions are correct, then how would I get started wrapping the
JDBC driver?  I noticed in the DataObjects repo this
jdbc_drivers/README.developers<https://github.com/datamapper/do/blob/master/jdbc_drivers/README.developers>file
which states that "We now use the drivers bundled as Gems provided by
the ActiveRecord-JDBC project. Only drivers that that project does not yet
provide should be provided in this directory."  Does that mean that to get
started I should follow the route of the adapters in this
repo<https://github.com/nicksieger/activerecord-jdbc-adapter>
?

Thanks!
Abe

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