Re: multiple CREATE FUNCTION AS items for PLs

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Hannu Krosing <hannu(at)krosing(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: multiple CREATE FUNCTION AS items for PLs
Date: 2012-12-16 21:23:39
Message-ID: 1355693019.4311.16.camel@vanquo.pezone.net
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On Sun, 2012-12-16 at 19:13 +0100, Hannu Krosing wrote:
> As an idea seems quite good, but maybe the "run once" part could use
> its
> own keyword in the future, something like PREPARE or REQUIRE?

Well, either we do it in a language independent way, in which case this
would be too prescriptive, or we do it in a Python-specific way (less
likely), but "prepare" or "require" are not Python concepts.

> WHile at it, why not also fix the functions to be real function
> _with_ _real_ _arguments_ , not arguments-passed-in-as-globals
>
> and at least we could call this function with its real name inside its
> own module
> (stored global namespace) so we could easily do recursion
>
> CREATE FUNCTION factorial(n bigint) returns bigint LANGUAGE plpythonu
> AS $$
> if n==0: return 1
> return factorial(n-1) * n
> $$;
>
These are also good things to fix, but are they related? Could they not
be fixed independently?

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