Re: 11g: demo/sample for user defined aggregate function in c++?
From: Frank Bergemann <FBergemann_at_web.de>
Date: Thu, 19 Jan 2012 09:31:49 -0800 (PST)
Message-ID: <a0bcf2c3-781d-402b-9351-d17559b432b7_at_w4g2000vbc.googlegroups.com>
On 19 Jan., 17:58, Frank Bergemann <FBergem..._at_web.de> wrote:
> Hi,
>
> i was experimenting with user defined aggregate function in pl/sql.
> But a re-implementation of SUM() - just as an example - was pretty
> slow.
> So i wonder if there will be significant speed-up for implementing in C
> ++(?)
> I was looking in the web for a code example for user defined aggregate
> function implemented in C++ (or C).
> But i didn't find some :-(
> Can somebody post a link here for a C++ demo (preferable for unix/
> linux environment).
>
> - thanks!
>
> best regards,
> Frank
Date: Thu, 19 Jan 2012 09:31:49 -0800 (PST)
Message-ID: <a0bcf2c3-781d-402b-9351-d17559b432b7_at_w4g2000vbc.googlegroups.com>
On 19 Jan., 17:58, Frank Bergemann <FBergem..._at_web.de> wrote:
> Hi,
>
> i was experimenting with user defined aggregate function in pl/sql.
> But a re-implementation of SUM() - just as an example - was pretty
> slow.
> So i wonder if there will be significant speed-up for implementing in C
> ++(?)
> I was looking in the web for a code example for user defined aggregate
> function implemented in C++ (or C).
> But i didn't find some :-(
> Can somebody post a link here for a C++ demo (preferable for unix/
> linux environment).
>
> - thanks!
>
> best regards,
> Frank
Another question:
Will there be still a switchover from SQL interpreter to PL/SQL
interpreter for invoking a user defined aggregate function, which is
implemented in C/C++?
regards,
Frank
Received on Thu Jan 19 2012 - 11:31:49 CST