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Re: is there a hook by which we can modify input query before postgresql builds raw parse tree - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: is there a hook by which we can modify input query before postgresql builds raw parse tree
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Msg-id CAB7nPqRxcMDm8fQ6_xpYbqZ7vctiyVRGkjB5gfRyteqCVxdk9A@mail.gmail.com
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In response to is there a hook by which we can modify input query before postgresql builds raw parse tree  (Rajmohan C <csrajmohan@gmail.com>)
Responses Re: is there a hook by which we can modify input query before postgresql builds raw parse tree  (Michael Paquier <michael.paquier@gmail.com>)
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On Fri, May 2, 2014 at 1:37 PM, Rajmohan C <csrajmohan@gmail.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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