public inbox for [email protected]  

help / color / mirror / Atom feed

From: Bruce Momjian <[email protected]>
To: Phil Frost <[email protected]>
Cc: PostgreSQL-documentation <[email protected]>
Subject: Re: Re: [BUGS] BUG #3965: UNIQUE constraint fails on long column values
Date: Wed, 5 Mar 2008 11:56:44 -0500 (EST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

Phil Frost wrote:
> On Mar 5, 2008, at 11:20 , Bruce Momjian wrote:
> 
> >
> > Does anyone think it is a good idea to document that our indexes  
> > cannot
> > index arbirarily-long strings?  I see nothing in the documentation now
> > about it.
> 
> +1
> 
> I never even knew. I'd be especially interested to hear about  
> details, like how long strings can be until they are not guaranteed  
> unique.

Part of the problem is we don't know the length --- it is the compressed
length that is limited, I think to 8k.

-- 
  Bruce Momjian  <[email protected]>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

view thread (20+ messages)  latest in thread

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: [email protected]
  Cc: [email protected], [email protected]
  Subject: Re: Re: [BUGS] BUG #3965: UNIQUE constraint fails on long column values
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox