| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Rajmohan C <csrajmohan(at)gmail(dot)com> |
| Cc: | PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: is there a hook by which we can modify input query before postgresql builds raw parse tree |
| Date: | 2014-05-02 05:06:08 |
| Message-ID: | CAB7nPqRxcMDm8fQ6_xpYbqZ7vctiyVRGkjB5gfRyteqCVxdk9A@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, May 2, 2014 at 1:37 PM, Rajmohan C <csrajmohan(at)gmail(dot)com> wrote:
> Hi,
>
> I want to know is there a way to use a hook to modify the input query
> before Postgresql parses and builds the parse tree for the query.
Not that I know of. I am not sure that enforcing query rewrite on the
server side is a good idea at this may trap your applications and have
them face unexpected behaviors.
FWIW, a presentation about hooks has been done at PGCon 2012, you can
refer to it as well for your future work:
http://wiki.postgresql.org/images/e/e3/Hooks_in_postgresql.pdf
--
Michael
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