Re: Simple row serialization?
От | Andrew Dunstan |
---|---|
Тема | Re: Simple row serialization? |
Дата | |
Msg-id | 479CC1AC.4090101@dunslane.net обсуждение исходный текст |
Ответ на | Re: Simple row serialization? ("Ivan Voras" <ivoras@freebsd.org>) |
Список | pgsql-hackers |
Ivan Voras wrote: > On 27/01/2008, tomas@tuxteam.de <tomas@tuxteam.de> wrote: > > >> On Sat, Jan 26, 2008 at 07:32:35PM +0100, Ivan Voras wrote: >> >>> Andrew Dunstan wrote: >>> >> [...] >> >>>> Or you could use an hstore (see contrib). >>>> >>> Doesn't seem applicable. >>> >> Have a closer look: it might :-) >> > > I found these documents on hstore: > > http://developer.postgresql.org/pgdocs/postgres/hstore.html > http://www.sai.msu.su/~megera/wiki/Hstore > > >From them, it seems "hstore" is another datatype (as in: > 'a=>b'::hstore), which sounds good (though if it was me I'd have > picked a different name for it, like "dict" or "hashmap" :) ) for > storing both field names and their values, but I don't see a way to > convert a row/record passed to a trigger to a hstore. > > > It's trivial to do in a plperl trigger, since it gets the new and old records as hashes with the field names as keys. cheers andrew
В списке pgsql-hackers по дате отправления: