>
>
> So now you have to figure out
> what the selectivity of that is after the application of the partially
> redundant IN clauses.
>
Would marking the new added RestrictInfo.norm_selec > 1 be OK?
clause_selectivity_ext
/*
* If the clause is marked redundant, always return 1.0.
*/
if (rinfo->norm_selec > 1)
return (Selectivity) 1.0;
--
Best Regards
Andy Fan (https://www.aliyun.com/)