Re: update on TOAST status'

From: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
To: Jan Wieck <JanWieck(at)Yahoo(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL HACKERS <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: update on TOAST status'
Date: 2000-07-11 12:20:40
Message-ID: 3.0.5.32.20000711222040.027725a0@mail.rhyme.com.au
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

At 14:02 11/07/00 +0200, Jan Wieck wrote:
> AFAICS, we need to detoast values for index inserts allways
> and have another toaster inside the index access methods at
> some day.

We might not need it...at least not in the furst pass.

> In the meantime we should decide a safe maximum
> index tuple size and emit an explanative error message on the
> attempt to insert oversized index entries instead of possibly
> corrupting the index.

Can I suggest that we also put out a warning when defining an index using a
field with a (potentially) unlimited size? Indexing a text field will
mostly be a bizarre thing to do, but, eg, indexing the first 255 chars of a
text field (via substr) might not be.

----------------------------------------------------------------
Philip Warner | __---_____
Albatross Consulting Pty. Ltd. |----/ - \
(A.C.N. 008 659 498) | /(@) ______---_
Tel: (+61) 0500 83 82 81 | _________ \
Fax: (+61) 0500 83 82 82 | ___________ |
Http://www.rhyme.com.au | / \|
| --________--
PGP key available upon request, | /
and from pgp5.ai.mit.edu:11371 |/

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message The Hermit Hacker 2000-07-11 12:27:30 Re: Slashdot discussion
Previous Message Jan Wieck 2000-07-11 12:02:34 Re: update on TOAST status'