Amin writes:
> Having a query, I am trying to find out all the columns that need to be
> accessed (their varattno and vartype). I have access to a targetlist
> representing a tree like this. So, I am looking for a function that
> recursively traverses the tree and gives me the VARs. So, for SELECT
Hi,
Having a query, I am trying to find out all the columns that need to be
accessed (their varattno and vartype). I have access to a targetlist
representing a tree like this. So, I am looking for a function that
recursively traverses the tree and gives me the VARs. So, for SELECT
a,b,b+c from tab
