Re: Rename or Re-Create Constraints?
От | Rob Sargent |
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Тема | Re: Rename or Re-Create Constraints? |
Дата | |
Msg-id | 4D9FC6BC.6090109@gmail.com обсуждение исходный текст |
Ответ на | Re: Rename or Re-Create Constraints? (Carlos Mennens <carlos.mennens@gmail.com>) |
Список | pgsql-general |
Carlos Mennens wrote: > On Fri, Apr 8, 2011 at 8:35 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote: > >> I believe you can rename the underlying indexes and the constraints will >> follow them. (This works in HEAD anyway, not sure how far back.) >> > > I'm sorry but I don't understand what that means or how to relate that > to a SQL command to rename the constraint. Do you have an example of > how that command would look? > > >>> 2. When renaming the table, is there a way to rename both the table >>> and all associated constraints? >>> >> No, there's nothing automatic for that. IIRC there used to be code to >> try to do this when you renamed a single column; but we took it out, >> probably because it risked unexpected failures due to index name >> collisions. >> >> regards, tom lane >> >> I wonder if OP wouldn't be best advised to externalize his DDL where by simple editing would take care of the issue?
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