4 ms·
Isn't this done client side? Without joins in the db engine itself locality is much worse along with lost opportunities for optimization leading to much worse p
by SigmundA 13y ago
Isn't this done client side? Without joins in the db engine itself locality is much worse along with lost opportunities for optimization leading to much worse performance.
- mason55 13y agoYes, you have to build the list of IDs to pass to the $in operator and then send out a second query but grandparent post said you had to make an extra query for each linked item which is incorrect.