于 2013-09-05 01:56, Robert Haas 回复:
> On Tue, Sep 3, 2013 at 3:13 AM, <wangshuo@highgo.com.cn> wrote:
>> 于 2013-09-03 08:15, David Johnston 回复:
>>
>>> Jeff Davis-8 wrote
>>>>
>>>> Is there any semantic difference between marking a constraint as
>>>> DISABLED and simply dropping it? Or does it just make it easier to
>>>> re-add it later?
>>>
>>>
>> David Johnston wrote:
>>>
>>> I cannot answer the question but if there is none then the main
>>> concern
>>> I'd
>>> have is capturing "meta-information" about WHY such a constraint
>>> has been
>>> disabled instead of dropped.
>>
>>
>> Drop/build and disable/enable constraint has no fundamental
>> difference,
>> and could achieve the same purpose.What I do also more convenient
>> for the
>> user.
>> Recording the disabled constraints is easier than recoding all the
>> constrains.
>> What's more, a lot of people ever asked about turing off constraint
>> and
>> The sql2008 support this.So I think it's necessary in some ways.
>
> Please add your patch to the upcoming CommitFest so we don't forget
> about it.
>
> https://commitfest.postgresql.org/action/commitfest_view/open
>
> Please see also https://wiki.postgresql.org/wiki/Submitting_a_Patch
>
> --
> Robert Haas
> EnterpriseDB: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
I had committed the patch to the Server Features
(https://commitfest.postgresql.org/action/commitfest_view/open).
Is this right ? If not, please give me more advice,thanks !
Wang Shuo HighGo Software Co.,Ltd. September 5, 2013