On Thu, Mar 28, 2013 at 9:47 PM, John Mudd <johnbm...@gmail.com> wrote:
> I see a few old messages referring to ISAM to SQL emulation.
> For example:
> http://www.postgresql.org/message-id/200402171616.i1hgg9u11...@candle.pha.pa.us
> Does anyone know of any actual source code to one of these projects? Any
> active projects?

I wrote an unfortunately closed source ISAM driver for postgresql for
COBOL (AcuCobol).  It was not a too terribly difficult project --
Postgres has a couple of features that made it pretty easy, especially
advisory locks and row-wise comparison.  Type conversion can be
difficult or complex depending on how far you want to take things and
how clean the API  is that you will be hooking on the ISAM side.  I
almost put together a C-ISAM driver a couple years back for a project
but it fell through.


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