Nikita Glukhov writes:
> I found a problem with selectivity estimation for NULL-returning operators.
> matchingsel() is not ready to use as a restriction selectivity estimator for
> operators like our jsonpath operators @? and @@, because it calls operator
> function on values o
Hi, hackers!
I found a problem with selectivity estimation for NULL-returning operators.
matchingsel() is not ready to use as a restriction selectivity estimator for
operators like our jsonpath operators @? and @@, because it calls operator
function on values obtained from pg_statistic through
