> Your confirmation is correct with one slight technical exception: > specifying the port doesn't technically cause the system to know > which version of postgres to use. > > In my previous post, I forgot to mention a related note: the version > of pg_dump that you're using matters slightly. pg_dump can typically > be used with older postgres installations, but not newer ones. So > you should prefer using the 8.1.4 version of pg_dump to dump at > least your 8.1.4 postmaster, but probably also your 7.3.4 postmaster. > > A 7.3.4 pg_dump client will probably not be able to run against an > 8.1.4 postmaster. > > Otherwise, pg_dump doesn't really care about the version as much as > it cares about being able to connect to a postmaster. That's what > specifying the port helps it do. When you don't specify the port, it > just tries port 5432. If it finds a postmaster listening there, > great, it will try to dump it; otherwise, it will fail with a > complaint that it couldn't connect to anything on 5432. > > -- > Thomas F. O'Connell > Sitening, LLC > > http://www.sitening.com/ > 3004B Poston Avenue > Nashville, TN 37203-1314 > 615-469-5150 x802 > 615-469-5151 (fax) >
You're correct, I cannot use the pg_dump. I get a error message that the pg_dump is aborting because of a version mismatch, then it says to use the i opt. How do I call the pg_dump from the 8.1.4 version?
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