BangarRaju Vadapalli <BangarRaju(dot)Vadapalli(at)infor(dot)com> writes:
> create table a(x int);
> create table b(x int, y int);
> create table c(x int, y int, z int);
> This query fails with ERROR: JOIN qualification cannot refer to other relations - select a.x from a, b where a.x = b.x and not exists ( select 1 from c where b.y = c.y and not exists ( select 1 from c where a.x = c.x))
Thanks, I've applied a patch for this.
regards, tom lane