On Thu, Jun 1, 2017 at 12:32 PM, Sergi Vladykin <sergi.vlady...@gmail.com> wrote:
> I guess it must work the following way: > > If distributed joins are enabled we can try to prove that the subquery is > collocated, if we can't then try to rewrite it, if we can't, then throw an > exception. > > Still this can not be done 100% correct, probably we have to have some flag > which allows to disable this subquery rewriting. > Sergi, but how do you explain to users what is supported and what is not?