jian he <jian.universal...@gmail.com> 于2024年5月24日周五 10:58写道：
> hi
>
> typedef struct RelOptInfo
> {
> ....
> /*
> * information about a base rel (not set for join rels!)
> */
> Index relid;
> ...
> }
>
> imho, the above comment is not very helpful.
> we should say more about what kind of information relid says about a base
> rel?
>
> I don't know much about RelOptInfo, that's why I ask.
>
>
> The fields in struct RelOptInfo between comment " information about a base
rel " and
commnet "Information about foreign tables and foreign joins" are all about
a base rel.
Every field has a comment. I think that's already helpful for understanding
what information
we need to optimize a base rel.
--
Tender Wang
OpenPie: https://en.openpie.com/
