Re: Extension to rewrite queries before execution

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Extension to rewrite queries before execution
Date: 2015-08-14 16:10:46
Message-ID: 55CE1306.6040905@aklaver.com
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On 08/14/2015 08:56 AM, Jeff Janes wrote:
> On Thu, Aug 13, 2015 at 2:02 PM, Adrian Klaver
> <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 08/13/2015 12:49 PM, Jeff Janes wrote:
>
> I am looking for an extension or a technique that will allow me to
> intercept a query by the exact query text, and replace that
> query with a
> different one.
>
>
> What is sending the query?
>
> In other words what library is the app using to communicate with the
> Postgres server?
>
>
> I believe it is some ancient version of Hibernate.
> Cheers,

So JDBC.

Don't know how much control you have over the setup, but this looks
interesting:

https://github.com/ttddyy/datasource-proxy

>
> Jeff

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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