From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
---|---|
To: | soumik(dot)bhattacharjee(at)kpn(dot)com, nidhig631(at)gmail(dot)com |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Data Type to store Leading Zero(0) |
Date: | 2021-04-15 13:54:29 |
Message-ID: | 770d9e620ade5e492c9aa4545c8e182cd6526884.camel@cybertec.at |
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Lists: | pgsql-admin |
Nidhi Gupta <nidhig631(at)gmail(dot)com> wrote:
> As per business needs we need to store Zero(0) in primary key column of table
> with this kind of value à 07******** with applications written in Java microservices.
>
> We are not able to use numeric data type as it trims the Zero value in leading,
> but it’s also a performance impact if we define varchar in the data type.
Use "integer" and define a view that pads the column with zeros on the
left side:
CREATE VIEW myview AS
SELECT lpad(if::text, 10, '0') AS id,
othercolumn,
...
FROM mytable;
Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com
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