Re: BUG #18588: Cannot force/let database use parallel execution in simple case.

Maxim Boguk <maxim.boguk@gmail.com> writes:
> With sufficiently large table - I didn't manage find a combinations of
> settings to force parallel execution (im my real case - the database huge
> and mostly cold on ssd raid - so parallel execution provides almost linear
> speedup with amount of parallel workers even on 1000 rows... not talking
> about 10k-10m rows, but I cannot convince the PostgreSQL use parallel index
> scan for 2m returned rows case).

Well, there may be something going on in your real case that isn't
apparent from this toy example.  Perhaps look for a better example?

            regards, tom lane