Re: question on renaming a foreign key
От | Ron Johnson |
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Тема | Re: question on renaming a foreign key |
Дата | |
Msg-id | 452D8692.5070400@cox.net обсуждение исходный текст |
Ответ на | Re: question on renaming a foreign key (Richard Broersma Jr <rabroersma@yahoo.com>) |
Ответы |
Re: question on renaming a foreign key
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Список | pgsql-general |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 10/11/06 18:53, Richard Broersma Jr wrote: >>>> can anyone suggest a non-nightmarish way for me to do this >>>> ? >>> If your tables are setup to "ON UPDATE CASCASE" then you are >>> fine. Just updated the main table and PostgreSQL will take >>> care of the rest. > >> I doesn't appear that ALTER TABLE can change constraint >> characteristics. You'd have to drop/recreate, no? > > Now that you mention it, I've never tried it or seen it done. > Here I what I came up with: > [snip] > > > It is nice to see things work so well. :-) It would be interesting to see how well it works on a 50M row table. - -- Ron Johnson, Jr. Jefferson LA USA Is "common sense" really valid? For example, it is "common sense" to white-power racists that whites are superior to blacks, and that those with brown skins are mud people. However, that "common sense" is obviously wrong. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFFLYaSS9HxQb37XmcRAmO+AKDH1ILeOKJEYitfY6LUTrRZKjk33wCdGIZW ZN0L1iAJphWTNGlAoz63E3E= =3zQr -----END PGP SIGNATURE-----
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