From: Peter Steinheuser <psteinheuser@myyearbook.com>
To: Tony Capobianco <tcapobianco@prospectiv.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Determine length of numeric field
Date: Tue, 15 Feb 2011 16:08:52 -0500
Message-ID: <AANLkTim93GXPoT+dgMvomfagPu12xRGtdLuGi6=U3fdD@mail.gmail.com> (raw)
In-Reply-To: <1297802915.1703.13.camel@tony1.localdomain>
References: <1297802915.1703.13.camel@tony1.localdomain>
In Oracle you never have to cast, in Postgres it's pretty common.
See the doc on String Operators and Functions also:
http://www.postgresql.org/docs/8.4/interactive/functions-string.html
On Tue, Feb 15, 2011 at 3:48 PM, Tony Capobianco <tcapobianco@prospectiv.com
> wrote:
> 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);
>
> I haven't had much luck with the length or char_length functions on
> postgres.
>
> Thanks.
> Tony
>
>
> --
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>
--
Peter Steinheuser
psteinheuser@myyearbook.com
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To: pgsql-sql@postgresql.org
Cc: psteinheuser@myyearbook.com, tcapobianco@prospectiv.com
Subject: Re: Determine length of numeric field
In-Reply-To: <AANLkTim93GXPoT+dgMvomfagPu12xRGtdLuGi6=U3fdD@mail.gmail.com>
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