From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Huxton <dev@archonet.com>
Cc: Cronje Fourie <cfourie@e-intelligence.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: TPCH Benchmark query result invalid
Date: Tue, 12 Dec 2006 11:23:15 -0500
Message-ID: <3953.1165940595@sss.pgh.pa.us> (raw)
In-Reply-To: <457EC53B.2070600@archonet.com>
References: <1165932562.10968.1.camel@localhost>
<457EC53B.2070600@archonet.com>
Richard Huxton <dev@archonet.com> writes:
> richardh=# SELECT interval '3' month;
> interval
> ----------
> 00:00:00
> (1 row)
> It's got a zero-length date-range it's comparing against. If you have
> interval '3 months' that should work, but I'm afraid I haven't got time
> to check against the specs to see what the correct format should be.
I think this syntax is supposed to work according to the SQL spec. Tom
Lockhart was fooling around with making that stuff spec-compliant before
he left the project, and no one has bothered to pick it up since :-(.
Perhaps everyone thinks the spec syntax for interval constants is so
bizarre and non-orthogonal it's not worth dealing with ...
regards, tom lane
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, dev@archonet.com, cfourie@e-intelligence.com
Subject: Re: TPCH Benchmark query result invalid
In-Reply-To: <3953.1165940595@sss.pgh.pa.us>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox