Re: Bug #759: 7.3beta1 DROP COLUMN DEPENDENCY PROBLEM - Mailing list pgsql-bugs

From Tom Lane
Subject Re: Bug #759: 7.3beta1 DROP COLUMN DEPENDENCY PROBLEM
Date
Msg-id 20017.1031355001@sss.pgh.pa.us
Whole thread Raw
In response to Re: Bug #759: 7.3beta1 DROP COLUMN DEPENDENCY PROBLEM  (Rod Taylor <rbt@zort.ca>)
Responses Re: Bug #759: 7.3beta1 DROP COLUMN DEPENDENCY PROBLEM  (Rod Taylor <rbt@zort.ca>)
List pgsql-bugs
Rod Taylor <rbt@zort.ca> writes:
> The big difference is that the INNER JOIN code needs to drop one of the
> colb's coming up with a virtual relation cola, colb, colc; where the
> other doesn't have such a renaming scheme.

On reflection I think it might be possible to make this work the way
Tim wants: I think it would be okay for the dependency-extracter code
to ignore the Var lists that are attached to join RTEs.  Needs more
thought though, and I don't plan to think about it before Monday;
I'm taking the weekend off ...

            regards, tom lane

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