Re: Testing patches

Alvaro Herrera <alvherre@dcc.uchile.cl> writes:
> I've suffered from this pain before.  The only thing that I have been
> able to do is run the initdb script by hand until the point of the
> crash, and then run the exact commands in postgres.bki using a
> standalone backend under a debugger.  Believe me, it's not a
> particularly nice task.  But I haven't found another way.

The initdb environment isn't particularly debugger-friendly.  It'd seem
to me that bufmgr/relcache changes shouldn't impact the on-disk data
layout, and therefore could be tested and debugged in an already-created
installation.
        regards, tom lane