On Thu, Apr 30, 2009 at 08:20:02AM +1000, Adam Ruth wrote: > The simple answer is to pg_dump both tables and compare the output with > diff. > Other than that, I think you'll need a custom program.
For all but the strictest definition of "identical", that won't work. Tables may easily contain the same information, in different on-disk order, and pg_dump will most likely give the data to you in an order similar to its ordering on disk. Something like a COPY (<query>) TO <file>, where <query> includes an ORDER BY clause, might give you a suitable result from both tables, on which you could then take a checksum. - Josh / eggyknap
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