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Re: [HACKERS] Lost a function overloading capability in v6.3

Michael Meskes <meskes@topsystem.de>

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From: Michael Meskes <meskes@topsystem.de>
To: lockhart@alumni.caltech.edu (Thomas G. Lockhart)
Cc: pgsql-hackers@postgresql.org (PostgreSQL Hacker)
Date: 1998-03-03T14:03:17Z
Lists: pgsql-hackers 
Thomas G. Lockhart writes:
>   CREATE FUNCTION abstime_datetime(int4)
>   RETURNS datetime
>   AS '-' LANGUAGE 'internal';

Did that. Could anyone please tell me how to drop this function?

> When I run this same thing on v6.3, I get a date sometime in 1974 which
> I think might actually be derived from a pointer interpreted as an
> integer :(
> 
> postgres=> select abstime_datetime(0);
> abstime_datetime
> ----------------------------
> Wed Apr 24 18:51:28 1974 GMT
> (1 row)
> postgres=> select abstime_datetime(900000000);
> abstime_datetime
> ----------------------------
> Wed Apr 24 18:37:12 1974 GMT
> (1 row)

mm=> select abstime_datetime(0);
abstime_datetime
----------------
epoch           
(1 row)

mm=> select abstime_datetime(900000000);
abstime_datetime
----------------
epoch           
(1 row)

Michael

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