From: | "Andrew Dunstan" <andrew(at)dunslane(dot)net> |
---|---|
To: | "Uma Krishnan" <ukris03(at)yahoo(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Postgres SQL Parser |
Date: | 2007-04-22 23:14:19 |
Message-ID: | 62988.75.177.135.163.1177283659.squirrel@www.dunslane.net |
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Lists: | pgsql-hackers |
Uma Krishnan wrote:
> Hello I'm trying to implement a new SortMerge algorithm, and see how it
> compares with the current algorithm. In doing so, rather than using
> select, I'd like to introduce a new verb so that Select is not modified.
>
> I looked at the source code, but could find the place where Postgres SQL
> grammer is defined.
>
src/backend/parser/gram.y
If you intend this work to be incorporated into PostgreSQL you should
discuss it first on this list, before you cut a single line of code - the
bar for new verbs is likely to be set fairly high.
cheers
andrew
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