Re: FULL JOIN is only supported with merge-joinable join conditions

"hx.li" <fly2nn@126.com> writes:
> If we could consider it is equivalent transformation as follow?

> select * from t_1 full outer join t_3 on t_1.a=1;
> and
> select * from t_1 full outer join t_3 on true where t_1.a=1;

Those are not equivalent.

            regards, tom lane