| From: | Gavin Flower <GavinFlower(at)archidevsys(dot)co(dot)nz> |
|---|---|
| To: | Patrick B <patrickbakerbr(at)gmail(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Chante domain type - Postgres 9.2 |
| Date: | 2016-09-26 05:15:06 |
| Message-ID: | 30756de1-2e55-661f-c06e-42d48350a1b4@archidevsys.co.nz |
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| Lists: | pgsql-general |
On 26/09/16 17:58, Patrick B wrote:
> Hi guys,
>
> I've got this domain:
>
> CREATE DOMAIN public.a_city
> AS character varying(80)
> COLLATE pg_catalog."default";
>
>
> And I need to increase the type from character varying(80) to
> character varying(255).
>
> How can I do that? didn't find info about it. I'm using Postgres 9.2
>
> Thanks!
> Patrick
Why not simply use the 'text' data type?
To change the data type on a column you can use:
ALTER [ COLUMN ] /column_name/ [ SET DATA ] TYPE /data_type/ [ COLLATE
/collation/ ] [ USING /expression/ ]
see:
https://www.postgresql.org/docs/9.2/static/sql-altertable.html
Note that 9.5 is the latest version of pg, with 9.6 being released very soon!
Cheers,
Gavin
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