2017-06-07 0:31 GMT+09:00 Bruce Momjian :
> On Wed, Jun 7, 2017 at 12:10:25AM +0900, Dang Minh Huong wrote:
> > > On Jun 4, 29 Heisei, at 00:48, Bruce Momjian wrote:
> > Shouldn't you use "or is_letter_with_marks()", instead of "or
> > >
As in the example below, i think the plan which hash table is created on
testtbl2 (the fewer tuples) should be choosen.
Because creating of hash table should faster in testtbl2. But it did not.
I have tried to change the ordering of table by tuning parameter even if