Re: trimming a column

From: "Michael P(dot) Soulier" <michael_soulier(at)mitel(dot)com>
To: Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: trimming a column
Date: 2012-05-04 03:13:42
Message-ID: 20120504031342.GT5230@mitel.com
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On 03/05/12 Adrian Klaver said:

> Works here:
> test=> SELECT version();
> version
> ---------------------------------------------------------------------------------------
> PostgreSQL 9.0.7 on i686-pc-linux-gnu, compiled by GCC gcc (SUSE
> Linux) 4.6.2, 32-bit

eventsdb=# select version();
version

--------------------------------------------------------------------------------
----------------------------
PostgreSQL 8.4.10 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 4.4.5
2011021
4 (Red Hat 4.4.5-6), 32-bit
(1 row)

Perhaps it how the fields are displayed...

eventsdb=# select length(id), id from application_events;
length | id

--------+-----------------------------------------------------------------------
-------------------------------
48 | vmbg-msoulier3.nssg.mitel.com_1-1335549662-26268

44 | vmbg-msoulier3.nssg.mitel.com_1-1335549687-0

27 | tug-manage-ssl-1335549693-0

46 | vmbg-msoulier3.nssg.mitel.com_1-1335553128-344

44 | vmbg-msoulier3.nssg.mitel.com_1-1335553152-0

27 | tug-manage-ssl-1335553155-0

44 | vmbg-msoulier3.nssg.mitel.com_1-1336056097-0

46 | vmbg-msoulier3.nssg.mitel.com_1-1336058939-285

44 | vmbg-msoulier3.nssg.mitel.com_1-1336058940-0

(9 rows)

eventsdb=# select trim(id) from application_events;
btrim
--------------------------------------------------
vmbg-msoulier3.nssg.mitel.com_1-1335549662-26268
vmbg-msoulier3.nssg.mitel.com_1-1335549687-0
tug-manage-ssl-1335549693-0
vmbg-msoulier3.nssg.mitel.com_1-1335553128-344
vmbg-msoulier3.nssg.mitel.com_1-1335553152-0
tug-manage-ssl-1335553155-0
vmbg-msoulier3.nssg.mitel.com_1-1336056097-0
vmbg-msoulier3.nssg.mitel.com_1-1336058939-285
vmbg-msoulier3.nssg.mitel.com_1-1336058940-0
(9 rows)

still, in my app I see a lot of trailing whitespace after reading from the
db...

Mike

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