I wrote: > Hmm ... prairiedog isn't showing the warning, but maybe gaur will.
Bingo: parse_agg.c: In function 'expand_grouping_sets': parse_agg.c:1851:5: warning: value computed is not used This is gcc 4.5, but hopefully whatever shuts it up will also work on 4.7. I'll work on figuring that out. regards, tom lane