On Mon, May 18, 2020 at 7:45 PM Richard Guo <guofengli...@gmail.com> wrote: > In this same README doc, another suspicious typo to me, which happens in > section "Optimizer Functions", is in the prefix to query_planner(), > we should have three dashes, rather than two, since query_planner() is > called within grouping_planner(). > > diff --git a/src/backend/optimizer/README b/src/backend/optimizer/README > index 7dcab9a..bace081 100644 > --- a/src/backend/optimizer/README > +++ b/src/backend/optimizer/README > @@ -315,7 +315,7 @@ set up for recursive handling of subqueries > preprocess target list for non-SELECT queries > handle UNION/INTERSECT/EXCEPT, GROUP BY, HAVING, aggregates, > ORDER BY, DISTINCT, LIMIT > ---query_planner() > +---query_planner() > make list of base relations used in query > split up the qual into restrictions (a=1) and joins (b=c) > find qual clauses that enable merge and hash joins
Yeah, you are right. Another one would be in the prefix to standard_join_search(); I think it might be better to have six dashes, rather than five, because standard_join_search() is called within make_rel_from_joinlist(). Best regards, Etsuro Fujita