Hello 2011/6/2 HuangQi <huangq...@gmail.com>: > Yes, I've also added mergejoin to kwlist.h as unreserved_keyword. In order > to build AST, I also keep a new node struct in planoperators.h and a new > node tag inside nodes.h. >
then recheck alphabet order of keywords, else recheck bison rules. Pavel > On 2 June 2011 15:49, Pavel Stehule <pavel.steh...@gmail.com> wrote: >> >> Hello >> >> you should to add new keywords to >> postgresql/src/include/parser/kwlist.h (depends on pg version) >> >> attention - keywords must be in alphabet order >> >> Regards >> >> Pavel Stehule >> >> 2011/6/2 HuangQi <huangq...@gmail.com>: >> > 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 >> > > > > > -- > Best Regards > Huang Qi Victor > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
