"Michael Beckstette" <mbeckste@TechFak.Uni-Bielefeld.DE> writes:
> 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.
Nested INTERSECT and EXCEPT queries are broken in 7.1.*. Please upgrade
to 7.2.
regards, tom lane