This worked for us in 7.something (don't need it anymore, but it should still work).
You'll want to create one for INT8, INT2, etc.. if you are going to use those as well... CREATE AGGREGATE aggr_bitand ( BASETYPE = INT4, SFUNC1 = int4and, STYPE1 = INT4); On Thu, 1 Nov 2001, James Orr wrote: > Hi, > > Is there an aggregate binary AND function in postgres? If not, is there a > way to write your own aggregate functions? Examples? > > - James > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html > ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
