Re: CONSTRAINT name With Domain As Check
От
Tom Lane
Тема
Re: CONSTRAINT name With Domain As Check
Дата
Msg-id
18198.1177822317@sss.pgh.pa.us
Ответ на
CONSTRAINT name With Domain As Check (Rich Shepard)
Список
Дерево обсуждения
CONSTRAINT name With Domain As Check Rich Shepard <rshepard@appl-ecosys.com>
Re: CONSTRAINT name With Domain As Check Tom Lane <tgl@sss.pgh.pa.us>
Re: CONSTRAINT name With Domain As Check Rich Shepard <rshepard@appl-ecosys.com>
Rich Shepard writes:
> I define a table, Permits, that includes a column for type.
> Permit_Type is a domain with permissible names:
> CREATE DOMAIN Permit_Type
> as TEXT
> CHECK (value in ('Environmental', 'Health', 'Safety', 'Occupancy'));
> Can I name that domain check within the Permits table as follows?
> CREATE TABLE Permits (
> ...
> type Permit_Type
> CONSTRAINT invalid_permit_type
> ...
> );
Um, what are you trying to do that's different from declaring a column
of the table as being of type Permit_Type?
regards, tom lane
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