Re: Hacking gram.y Error syntax error at or near "MERGEJOIN"

From: HuangQi <huangqiyx(at)gmail(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Hacking gram.y Error syntax error at or near "MERGEJOIN"
Date: 2011-06-02 07:54:17
Message-ID: BANLkTin6UDBsp0icqDx=SWM2mXbUzmGt1g@mail.gmail.com
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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.

On 2 June 2011 15:49, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)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 <huangqiyx(at)gmail(dot)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

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