From: Tom Lane <tgl@sss.pgh.pa.us>
To: Tony Capobianco <tcapobianco@prospectiv.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Determine length of numeric field
Date: Tue, 15 Feb 2011 16:10:16 -0500
Message-ID: <10590.1297804216@sss.pgh.pa.us> (raw)
In-Reply-To: <1297802915.1703.13.camel@tony1.localdomain>
References: <1297802915.1703.13.camel@tony1.localdomain>
Tony Capobianco <tcapobianco@prospectiv.com> writes:
> I'm altering datatypes in several tables from numeric to integer. In
> doing so, I get the following error:
> dw=# \d uniq_hits
> Table "support.uniq_hits"
> Column | Type | Modifiers
> ------------+---------+-----------
> sourceid | numeric |
> hitdate | date |
> total | numeric |
> hitdate_id | integer |
> Indexes:
> "uniq_hits_hitdateid_idx" btree (hitdate_id), tablespace
> "support_idx"
> Tablespace: "support"
> esave_dw=# alter table uniq_hits alter sourceid type int;
> ERROR: integer out of range
> Sourceid should not be more than 5 digits long. I'm able to perform
> this query on Oracle and would like something similar on postgres 8.4:
> delete from uniq_hits where sourceid in (select sourceid from uniq_hits
> where length(sourceid) > 5);
That seems like a pretty bizarre operation to apply to a number. Why
not "where sourceid > 99999"? Or maybe "where abs(sourceid) > 99999"
would be better.
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, tcapobianco@prospectiv.com
Subject: Re: Determine length of numeric field
In-Reply-To: <10590.1297804216@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