Re: Review of patch renaming constraints
Peter Eisentraut <peter_e@gmx.net>
From: Peter Eisentraut <peter_e@gmx.net>
To: Nikhil Sontakke <nikkhils@gmail.com>
Cc: Joshua Berkus <josh@agliodbs.com>, pgsql-hackers@postgresql.org
Date: 2012-01-21T22:13:55Z
Lists: pgsql-hackers
On fre, 2012-01-20 at 11:32 +0530, Nikhil Sontakke wrote: > Agreed. And right now primary key constraints are not marked as only > making them available for inheritance in the future. Or you prefer it > otherwise? > > Anyways, fail to see the direct connection between this and renaming. > Might have to look at this patch for that. It checks conisonly to determine whether it needs to rename the constraint in child tables as well. Since a primary has conisonly = false, it goes to the child tables, but the constraint it not there. In the past, we have treated this merely as an implementation artifact: check constraints are inherited, primary key constraints are not. Now we can choose for check constraints, with inherited being the default. Having inheritable primary key constraints is a possible future feature. So we need to think a littler harder now how to work that into the existing logic. This also ties in with the other thread about having this in CREATE TABLE syntax.