From: | Richard Huxton <dev(at)archonet(dot)com> |
---|---|
To: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
Cc: | Ruben Gouveia <rubes7202(at)gmail(dot)com>, pgsql-sql <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Function syntax ? |
Date: | 2008-09-09 18:15:53 |
Message-ID: | 48C6BD59.8010009@archonet.com |
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Lists: | pgsql-sql |
Scott Marlowe wrote:
> On Tue, Sep 9, 2008 at 11:55 AM, Ruben Gouveia <rubes7202(at)gmail(dot)com> wrote:
>> Does this syntax look correct? Can anyone think of a better way to write
>> this?
>>
>> This function will accept two timestamp parameters and determine the highest
>> of the two?
[snip]
> It certainly works, but there's no real need for the declarations.
> This works just as well:
I'll see your improved function, and raise you some built-ins.
=> \df time*larger
List of functions
Schema | Name | Result data type |
Argument data types
------------+--------------------+-----------------------------+----------------------------------------------------------
pg_catalog | time_larger | time without time zone | time
without time zone, time without time zone
pg_catalog | timestamp_larger | timestamp without time zone |
timestamp without time zone, timestamp without time zone
pg_catalog | timestamptz_larger | timestamp with time zone |
timestamp with time zone, timestamp with time zone
pg_catalog | timetz_larger | time with time zone | time
with time zone, time with time zone
(4 rows)
Also available for other built-in types. Been there ages, used by
aggregate funcs iirc.
--
Richard Huxton
Archonet Ltd
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