Re: Rename or Re-Create Constraints?

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От Rob Sargent
Тема Re: Rename or Re-Create Constraints?
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Msg-id 4D9FC6BC.6090109@gmail.com
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Ответ на Re: Rename or Re-Create Constraints?  (Carlos Mennens <carlos.mennens@gmail.com>)
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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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