| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Stefan Wagner <s_wagner1(at)gmx(dot)net>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Adding a new Clause in the Source Code |
| Date: | 2017-08-14 13:01:01 |
| Message-ID: | cdf6975b-abbc-8f26-9da9-909453654da3@2ndquadrant.com |
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| Lists: | pgsql-general |
On 8/14/17 04:14, Stefan Wagner wrote:
> I would really appreciate if someone could hack me a quick example of a
> new clause lets call it ADDITIONAL with Keywords HIGH, LOW to order
> columns. I just want the construct. What
> the Keywords accomplish and the Algorithm is something I'm gonna try to
> figure out on my own. I just need to know in which File and which Line I
> need to enter my Code.
For projects like this, figuring out all the places where to change
things is often half the work.
If I were to approach this, I would see how ORDER BY is implemented and
track all those places down and then see whether I need to make
analogous changes there.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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