Michael Glaesemann <[EMAIL PROTECTED]> writes: > On Feb 16, 2006, at 21:37 , Dhanaraj wrote: >> currently i looking at the postgres src code. I saw the scanner and >> parser implemetations at two different places (src/backend/parser/ >> and /src/bakend/bootstrp). Can anybody tell me the purpose of >> having two phases?? or will this help to parse the queries at >> different levels?
> AFAIK, I don't think the code is exactly the same (though I haven't > checked). No, not even close. The bootstrap parser reads the "bki" language defined here: http://developer.postgresql.org/docs/postgres/bki.html "bki" is simple enough that it's hardly even worth using a bison parser for, but someone did it that way so that's what we've got. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
