Re: Problems with select chaining using INTERSECT - Mailing list pgsql-bugs

On Thu, 13 Jun 2002, Michael Beckstette wrote:

> Version: PostgreSQL 7.1.2 on sparc-sun-solaris2.5.1, compiled by GCC 2.95
>
> Hi, when using SELECT queries chained by INTERSECT i get confused about the
> behavour of the INTERSECT operation. I try to outline this with the following
> examples.

I don't remember exact details, but I believe there were bugs in the
intersect implementation of the past.  You might want to see if it works
on 7.2.x