Re: creating CHECK constraints as NOT VALID

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От Alvaro Herrera
Тема Re: creating CHECK constraints as NOT VALID
Дата
Msg-id 1306950569-sup-1858@alvh.no-ip.org
обсуждение исходный текст
Ответ на Re: creating CHECK constraints as NOT VALID  (Thom Brown <thom@linux.com>)
Ответы Re: creating CHECK constraints as NOT VALID  (Alvaro Herrera <alvherre@commandprompt.com>)
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Excerpts from Thom Brown's message of mar may 31 20:18:18 -0400 2011:

> test=# CREATE DOMAIN things AS INT CHECK (VALUE > 5);
> CREATE DOMAIN
> test=# CREATE TABLE abc (id SERIAL, stuff things);
> NOTICE:  CREATE TABLE will create implicit sequence "abc_id_seq" for
> serial column "abc.id"
> CREATE TABLE
> test=# INSERT INTO abc (stuff) VALUES (55);
> INSERT 0 1
> test=# ALTER DOMAIN things ADD CONSTRAINT meow CHECK (VALUE < 11) NOT VALID;
> ERROR:  column "stuff" of table "abc" contains values that violate the
> new constraint
> STATEMENT:  ALTER DOMAIN things ADD CONSTRAINT meow CHECK (VALUE < 11)
> NOT VALID;

Okay, fixed that and added ALTER DOMAIN VALIDATE CONSTRAINT too.
Thanks for the review.

--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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