| From: | Karel Zak <zakkr(at)zf(dot)jcu(dot)cz> |
|---|---|
| To: | Tina Messmann <tina(dot)messmann(at)xinux(dot)de> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: enumeration type? |
| Date: | 2001-12-18 10:01:19 |
| Message-ID: | 20011218110119.C16212@zf.jcu.cz |
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| Thread: | |
| Lists: | pgsql-general |
On Tue, Dec 18, 2001 at 10:32:21AM +0100, Tina Messmann wrote:
> Hello List,
> is there in PostgreSQL something like an enumeration type or have i to
> use the CREATE TYPE command to build my own enumeration type ?
You needn't enumeration type, you can use more standard CHECK
option in table definition. For example:
CREATE TABLE tab (
y char(1) CHECK(y='A' OR y='B' OR y='C')
);
Karel
--
Karel Zak <zakkr(at)zf(dot)jcu(dot)cz>
http://home.zf.jcu.cz/~zakkr/
C, PostgreSQL, PHP, WWW, http://docs.linux.cz, http://mape.jcu.cz
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