Re: ENABLE/DISABLE CONSTRAINT NAME

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: wangshuo(at)highgo(dot)com(dot)cn
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: ENABLE/DISABLE CONSTRAINT NAME
Date: 2013-08-30 13:27:27
Message-ID: 4993.1377869247@sss.pgh.pa.us
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wangshuo(at)highgo(dot)com(dot)cn writes:
> In order to achieve enable/disable constraint nameI made a few
> modifications to the code.
> First, someone used to build the constraints while building
> table. Then inserting data must follow a certain order.
> And people usually like to insert the data but not affected by
> foreign keys or check.
> Second, the check or the foreign key constraint will waste much
> time while inserting the data into the table.
> Due to the above reasonsI realized this command.

Uh ... why not just drop the constraint, and re-add it later if you want
it again? This seems like adding a lot of mechanism (and possible bugs)
for a rather marginal use-case.

regards, tom lane

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