Re: C-Extenions for PostgreSQL, Call Convention Version 0

Hello

version 0 Calling Convention is really deprecated. From 8.2 manual:

We present the "old style" calling convention first — although this
approach is now deprecated, it's easier to get a handle on initially.

Regards
Pavel Stehule


On 03/01/2008, Harald Armin Massa <haraldarminmassa@gmail.com> wrote:
> Hello,
>
> I am researching information about writing C-language-Functions for
> PostgreSQL.  I came accross the slides of an OSCON 2004 tutorial of
> Joe Conway
> http://www.joeconway.com/tut_oscon_2004.pdf
>
> where he states:
> Version 0 Calling Convention
> • Deprecated
> • Has been since the 7.1 release.
> • Don't use it.
>
> Within the PostgreSQL-Documentation for 8.2,
> http://www.postgresql.org/docs/8.2/interactive/xfunc-c.html, still I
> find:
>
> """Using call conventions version 0, we can define c_overpaid as:"""
>
> That sound very tutorial-like; and so $I wonder: is those version 0
> depreciated? Or ist there still value in learning it?
>
>
> Harald
>
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