Re: Changes in Trigger Firing

From: Sameer Kumar <sameer(dot)kumar(at)ashnik(dot)com>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Changes in Trigger Firing
Date: 2013-12-04 17:56:38
Message-ID: CADp-Sm643Gb399LDk_mztAYM3Et_g+JOLwa6kcFta=-Os5pVtg@mail.gmail.com
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>
>
> >
> > CreateTrigStmt is passed to CreateTrigger function as an arguement. I am
> > struggling to understand how the values for various members of trigger
> are
> > set and where [which file] calls CreateTrigStmt.
> >
> >
> > Can someone provide some help on this?
>
> I think you need better tools to guide you in exploring the source code.
> For example, you can use cscope to tell you where is CreateTrigStmt
> used, and you would find gram.y; and use it to tell you where
> CreateTrigger is used, and you would find utility.c.
>
> Thanks for your advice. I was relying on PostgreSQL documentation which
was quite helpful so far. Let me try some development tool.

> Any half-decent code editor should be able to generate a "database" of
> symbols and let you frolic around the various files quickly. Without
> that, anyone would be completely lost in developing new features of even
> the lowest complexity.
>

Got the point!

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