This is an empty function which doesn't do anything. If we redirect the direct command handler to it, all direct commands should stop working.
// [P1] Fix bug，这一点在新收录的资料中也有详细论述
，这一点在新收录的资料中也有详细论述
Finch said she went back to the clinic and was put on a drip.
In Postgres, every indexed row contains a pointer to where the row lives in the table. If a Top K filter cannot be fully answered by the index, Postgres must follow that pointer and materialize the entire row from the underlying table storage. This operation is expensive and prone to cache misses when performed for millions of candidates.。关于这个话题，新收录的资料提供了深入分析