2015-07-27 20:05 GMT+04:00 Heikki Linnakangas <hlinn...@iki.fi>: > On 07/27/2015 06:46 PM, Teodor Sigaev wrote: > >> I need an advice, what would be better: >>> - to add new flag like F_HAS_GARBAGE, >>> - or to delete all mentions of F_TUPLES_DELETED and use it in gist >>> microvacuum. >>> >> >> According to commit message: >> commit 2effb72e682a7dbdc9a8a60a80c22ec1fa9d8079 >> Author: Heikki Linnakangas <heikki.linnakan...@iki.fi> >> Date: Fri Nov 7 15:03:46 2014 +0200 >> .. >> The code that generated a record to clear the F_TUPLES_DELETED flag >> hasn't >> existed since we got rid of old-style VACUUM FULL. I kept the code >> that sets >> the flag, although it's not used for anything anymore, because it >> might >> still be interesting information for debugging purposes that some >> tuples >> have been deleted from a page. >> .. >> >> If Heikki doesn't change his opinion then introduce new flag. Although I >> don't >> think that we need to keep F_TUPLES_DELETED. >> > > It's certainly not needed for anything at the moment, although conceivably > we might reintroduce code that needs it in the future. There are plenty of > flag bits available, so let's use a new flag. If there was a shortage, I > wouldn't blink reusing F_TUPLES_DELETED. > > - Heikki > > Thanks for the quick reply
-- Best regards, Lubennikova Anastasia