> I think the basic problem would be what the check constraint subquery
> meant to the user, and how useful that is expected to be in general. A
> subquery in a check constraint would presumably involve checking the
> subquery using an existing snapshot of the command that required the
> constraint
Peter Geoghegan writes:
> On Fri, Jul 18, 2014 at 7:31 PM, Tatsuo Ishii wrote:
>> Has anybody tried to implement subquery in CHECK constaint? If so,
>> what are issues to implement it? Or the feature is not worth the
>> effort? Comments and/or opinions are welcome.
> I think the basic problem wo
Hi,
On Fri, Jul 18, 2014 at 7:31 PM, Tatsuo Ishii wrote:
> Has anybody tried to implement subquery in CHECK constaint? If so,
> what are issues to implement it? Or the feature is not worth the
> effort? Comments and/or opinions are welcome.
I think the basic problem would be what the check const
Hi,
Has anybody tried to implement subquery in CHECK constaint? If so,
what are issues to implement it? Or the feature is not worth the
effort? Comments and/or opinions are welcome.
Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www
