Re: [SQL] Unique indexes not unique?

2003-01-20 Thread Jimmy Mäkelä
n for the week. Yes this is the case, and in my case I wouldn't want to change the order. Sure it would be nice to support this case too, but not if it implies penalties for more typical queries. Doing the expansion manually isn't that hard (but quite ugly). Thanks for all answers. Reg

Re: [SQL] Unique indexes not unique?

2003-01-13 Thread Jimmy Mäkelä
From: Tomasz Myrta [mailto:[EMAIL PROTECTED]] > I'm not sure unique index works properly for null values. I can't > explain, why. Maybe it comes from SQL standard - null i a > special value Yeah, I thought about that too, but I think that behaviour is really bad and would consider it a bug. The

[SQL] Unique indexes not unique?

2003-01-13 Thread Jimmy Mäkelä
1232132 AND b < 123123123213123 Postgres then behaved better and choosed the composite index in all three cases resulting in a very large improvement... Why is this, and has it been improved in more recent versions? Thanks in advance, Jimmy Mäkelä