On Fri, Feb 20, 2009 at 10:59 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I wrote:
>> Hence semijoins can be rearranged just as freely as inner joins.
>
> I guess nobody checked my work, because that claim is bogus.
I spent some time reading your email and thinking through the cases,
but I completely failed to notice this.
Sorry,
...Robert
