Nelio Alves Pereira Filho <nelio(at)ifx(dot)com(dot)br> writes:
> I tried to do the following query, but it doesn't work.
> IFX=> select 1 IN (SELECT 1 UNION SELECT 2);
> ERROR: parser: parse error at or near "union"
Not supported currently. 7.1 will handle it...
regards, tom lane