| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | NikhilS <nikkhils(at)gmail(dot)com> |
| Cc: | "Alvaro Herrera" <alvherre(at)commandprompt(dot)com>, "Bruce Momjian" <bruce(at)momjian(dot)us>, "Chris Fischer" <Chris(dot)Fischer(at)channeladvisor(dot)com>, pgsql-bugs(at)postgresql(dot)org, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Problem identifying constraints which should not be inherited |
| Date: | 2008-03-27 15:24:29 |
| Message-ID: | 9795.1206631469@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-hackers |
NikhilS <nikkhils(at)gmail(dot)com> writes:
> ...
> * Add logic to mark inherited constraints in the children:
> This can be achieved by introducing a new bool "coninherited" attribute in
> pg_constraint. This will be set to true on only those check constraints that
> are added to children via the inheritance mechanism
It probably needs to be a count not a bool. You can/should use the
handling of inherited attributes as a pattern to follow --- look at
attislocal and attinhcount.
regards, tom lane
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