From: | "Chris Fischer" <Chris(dot)Fischer(at)channeladvisor(dot)com> |
---|---|
To: | <pgsql-bugs(at)postgresql(dot)org> |
Subject: | Problem identifying constraints which should not be inherited |
Date: | 2007-04-12 19:17:02 |
Message-ID: | D45F1ECA30B59A4F96208F86532F901F14448935@rdu-caex-01.channeladvisor.com |
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Lists: | pgsql-bugs pgsql-hackers |
There's no way in the pg_ tables to identify when a check constraint on
an inherited table should not be inherited. Example:
create table t1 (col1 number(10));
create table t2 () inherits t2;
alter table only t1 add constraint ck_col1 check (number <> 0);
Now, run pg_dump and notice that the check constraint is not created
with ONLY in the dump and, therefore, ends up on t2 when executed.
Chris Fischer
Database Engineer
<http://www.channeladvisor.com/>
ChannelAdvisor Corporation
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919.228.2011
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