pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  

help / color / mirror / Atom feed

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Hélder M. Vieira <hmv@mail.telepac.pt>
Cc: pgsql-sql@postgresql.org
Subject: Re: max() unexpected type conversion
Date: Mon, 21 Nov 2005 10:03:45 -0500
Message-ID: <1719.1132585425@sss.pgh.pa.us> (raw)
In-Reply-To: <000901c5ee99$c275e380$580bfea9@hmv02>
References: <000901c5ee99$c275e380$580bfea9@hmv02>

"=?iso-8859-1?Q?H=E9lder_M._Vieira?=" <hmv@mail.telepac.pt> writes:
> If max() operates on a 'varchar' type column, the result appears with 'text' 
> type.
> Should I expect this behaviour in the current and later versions ?

This is true of just about everything, not only max() -- there are *no*
functions yielding varchar in recent PG releases.

			regards, tom lane

view thread (3+ messages)  latest in thread

Message-ID: <1719.1132585425@sss.pgh.pa.us>
Permalink:  ../1719.1132585425@sss.pgh.pa.us/
Also on:    postgresql.org/message-id/1719.1132585425@sss.pgh.pa.us

copy link · copy postgr.es

reply

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, hmv@mail.telepac.pt
  Subject: Re: max() unexpected type conversion
  In-Reply-To: <1719.1132585425@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