Eric D Nielsen <nielsene@MIT.EDU> writes:
> I've gotten back to working on the SQL99 version of updateable views and
> I'ld like to confirm my current understanding of the parse tree data
> structure. Is there a debugging-type tool for outputting the parse tree for
> a given query?
See debug_print_parse, debug_print_rewritten, debug_print_plan,
debug_pretty_print GUC variables.
regards, tom lane