>>>>> "Jeff" == Jeff Davis <pg...@j-davis.com> writes:
>> I'm prepared to give slightly more consideration to option #3: >> make the new code read the old format as well as the new one. I >> believe (though I have not yet tested) that it is possible to >> reliably distinguish the two with relatively low overhead, though >> the overhead would be nonzero, and do an in-core format conversion >> (which would result in writing out the new format if anything >> changed). Jeff> It might be good to have a way to ensure that all values have Jeff> been upgraded to the new format. Otherwise you have to Jeff> permanently maintain the old format even across multiple Jeff> upgrades. Maybe that's not a big deal, but I thought I'd bring Jeff> it up. Running ALTER TABLE foo ALTER COLUMN bar TYPE hstore USING bar || ''; on all of your hstore columns would suffice to ensure that, I believe. (Subject to testing once I actually have code for it, of course.) -- Andrew (irc:RhodiumToad) -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
