Re: convert to a string

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: convert to a string
Date: 2007-03-06 13:56:36
Message-ID: 20070306135636.GM10330@a-kretschmer.de
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am Tue, dem 06.03.2007, um 14:42:53 +0100 mailte Shavonne Marietta Wijesinghe folgendes:
> Hello
>
> i have a column N_GEN in postgreSql defined as text. In this coloumn i insert a
> number 10

Why do you store numbers as text?

>
> N_GEN (text) = 10
>
>
> on error resume next
> Set oRs = oConn.Execute("SELECT N_GEN FROM MyTable ORDER BY N_GEN DESC")
>
> But it doesn't add the 1 to my N_GEN

You can't add a number to a string.

> How can i set the Recordset to convert the string to a number and then add 1 to
> it??

You can try to cast it to int:

test=# select '10'::text;
text
------
10
(1 row)

test=*# select '10'::text::int;
int4
------
10
(1 row)

In your Query, change 'SELECT N_GEN FROM' to 'SELECT N_GEN::int FROM'.

Andreas
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Andreas Kretschmer
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