Re: problem with sorting using 'ORDER BY' when character - Mailing list pgsql-general

From Dave Smith
Subject Re: problem with sorting using 'ORDER BY' when character
Date
Msg-id 1085066464.22520.14.camel@playpen
Whole thread Raw
In response to problem with sorting using 'ORDER BY' when character field is filled with numerical values  (Dragan Matic <mlists@panforma.co.yu>)
List pgsql-general
Try ..
SELECT C FROM T ORDER BY ltrim(C)

On Thu, 2004-05-20 at 10:49, Dragan Matic wrote:
> If I have a table t with column c which is defined as char(5) and fill
> it with following values:
>
> insert into t (c) values ('    1')
> insert into t (c) values ('    2')
> insert into t (c) values ('    3')
> insert into t (c) values ('    4')
> insert into t (c) values ('   11')
> insert into t (c) values ('   12')
> insert into t (c) values ('   14')
> insert into t (c) values ('   24')
> insert into t (c) values ('   21')
> insert into t (c) values ('   31')
> insert into t (c) values ('  333')
>
> and then do the following: SELECT C FROM T ORDER BY C
> Postgres gives me the following
>
>     1
>    11
>    12
>    14
>     2
>    21
>    24
>     3
>    31
>   333
>     4
>
> the same thing done with MS SQL server gives this as a result:
>
>     1
>     2
>     3
>     4
>    11
>    12
>    14
>    21
>    24
>    31
>   333
>
> which is the result I find more logical, meaning the user would expect
> data sorted this way. Is there some way to make Postgres sort elements
> in this way (setting sort order or collation, I suppose)? Tnx in advance
>
> Dragan
>
>
>
>
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--
Dave Smith
CANdata Systems Ltd
416-493-9020


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