Hi,
I'm doing a hacking project which hacks the gram.y file and some other
so that postgres can execute some query plan language to run a particular
plan. I did some modifications and try run it. It compiled and installed
successfully. But when I was trying to run a MergeJoin operation with
keyword MERGEJOIN, it says "ERROR: syntax error at or near 'MERGEJOIN'". It
seems postgres didn't recognize this keyword. Is it caused by any error
inside gram.y? Or how can I trace this error?
--
Best Regards
Huang Qi Victor