Rod Taylor <[EMAIL PROTECTED]> writes:
>> What I did next, is put a trigger on pg_attribute that should, in theory,
>> on insert and update, fire up a function that will increment a version
> System tables do not use the same process for row insertion / updates as
> the rest of the system. You're trigger will rarely be fired.
s/rarely/never/. We do not support triggers on system catalogs. The
system should have done its best to prevent you from creating one ...
I suppose you had to hack around with a "postgres -O" standalone backend?
Returning to the original problem, it seems to me that comparing "pg_dump
-s" output is a reasonable way to proceed. The problem of inconsistent
output format across pg_dump versions is a red herring --- just use a
single pg_dump version (the one for your newest server) for all the
dumps. Recent pg_dump versions still talk to older servers, back to 7.0
or thereabouts.
regards, tom lane
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