| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | David Rickard <David(dot)Rickard(at)GTScompanies(dot)com>, pgsql-novice(at)postgresql(dot)org |
| Cc: | Judith Strawser <judiths(at)GTScompanies(dot)com> |
| Subject: | Re: Oracle-Style Date Functions |
| Date: | 2003-12-05 19:15:35 |
| Message-ID: | 200312051115.35047.josh@agliodbs.com |
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| Lists: | pgsql-novice |
David,
> Has anyone developed PostgreSQL versions of the Oracle date functions? I'm
> especially interested in ports of ADD_MONTHS and NEXT_DAY, or hints on
> replicating them in PostgreSQL.
Trivial:
CREATE FUNCTION add_months (timestamp, integer)
RETURNS timestamp AS '
SELECT $1 + (''1 month''::INTERVAL * $2);
' LANGUAGE SQL IMMUTABLE, STRICT;
CREATE FUNCTION NEXT_DAY (timestamp)
RETURNS timestamp AS '
SELCET $1 + ''1 day''::INTERVAL;
' LANGUAGE SQL IMMUTABLE, STRICT;
--
Josh Berkus
Aglio Database Solutions
San Francisco
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