Re: Bit Mapping operation
От | Oleg Bartunov |
---|---|
Тема | Re: Bit Mapping operation |
Дата | |
Msg-id | Pine.GSO.4.33.0106122234350.15947-100000@ra.sai.msu.su обсуждение исходный текст |
Ответ на | Bit Mapping operation (Najm Hashmi <najm@flipr.com>) |
Список | pgsql-sql |
no bitmap indexes available yet. But I'd recommend you to check contrib/intarray which adds indexed access to array of int. You may store array of 16 int4 for each record. Regards, Oleg On Mon, 11 Jun 2001, Najm Hashmi wrote: > Hi all, I am just wondering if bit map operations are possible in > pl/pgsql. We are storing sixteen different (one or many ... i.e. check > boxes ) choices in a small int. For data cruchinging reasons, we need > to reverse the process to find out what what fields where selected or > checked. Is this info somewhere in the docs? > Thanks in advance. > Regards, > > -- > Najm Hashmi > Tel:514-271-9791 > www.mondo-live.com > www.flipr.com > > > Regards, Oleg _____________________________________________________________ Oleg Bartunov, sci.researcher, hostmaster of AstroNet, Sternberg Astronomical Institute, Moscow University (Russia) Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ phone: +007(095)939-16-83, +007(095)939-23-83
В списке pgsql-sql по дате отправления: