Numeric and Integer type are exactly that - numbers.
If you want to _store_ it in the data with the leading 0, then you need to
change the type to a varchar, then put a check constraint on the field to
ensure that each of the 2 characters are numeric.
Alternatively, you can leave it as a numeric / integer and add the leading 0
as part of the queries that access it. Let me know if you want an example
how to do it.
Cheers,
-p
-----Original Message-----
From: pgsql-novice-owner@postgresql.org
[mailto:pgsql-novice-owner@postgresql.org] On Behalf Of Corey
Sent: Friday, 17 November 2006 2:14 AM
To: pgsql-novice@postgresql.org
Subject: [NOVICE] numeric data type
I've got the following:
cc_exp_month numeric(2,0)
So that I could input '06', for instance -- however the 0 doesn't make it's
way into the column... I get '6' instead.
I want to constrain this in the db, which is why I don't just use:
cc_exp_month integer
My question: what do I need to do to have the constraint ( two digits )
work,
while still keeping the extra 0?
Thanks.
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