jian he <jian(dot)universality(at)gmail(dot)com> writes:
> imho, the above comment is not very helpful.
> we should say more about what kind of information relid says about a base rel?
"Relid" is defined at the very top of the file:
/*
* Relids
* Set of relation identifiers (indexes into the rangetable).
*/
typedef Bitmapset *Relids;
Repeating that everyplace the term "relid" appears would not be
tremendously helpful.
regards, tom lane