Andrew Gierth <andrew@tao11.riddles.org.uk> writes:
> "Tom" == Tom Lane <tgl@sss.pgh.pa.us> writes:
> Tom> Hmm. I think this is a reasonable direction to go in, but
> Tom> what about groupingSets and rowMarks?
> groupingSets ultimately contains nothing but numbers which are
> meaningless without reference to the matching groupClause list. So
> anything that cares about those is really going to have to process them
> in its Query case in the walker function in order to get at both
> clauses.
Ah. I was thinking there were SortGroupClauses under them, but that
was based on an overly hasty reading of the parsenodes.h comments.
No further complaints.
regards, tom lane