On 8/9/07, Tom Lane <[EMAIL PROTECTED]> wrote: > > > > Yeah, we could simply insist on no change to any column that's used by > any of the expressions. That would be cheap to test. > > > I am trying to figure out the best way to extract this information. Is there any existing code to get all attributes used in the expressions ? Or do I need to walk the tree and extract that information ?
Thanks, Pavan Pavan Deolasee EnterpriseDB http://www.enterprisedb.com
