> You could query pg_depend to find out which tables and columns the > view's rewrite rule depends on but that's not as specific as what > you're requesting. I'm not aware of a way to associate a particular > table column with a particular view column short of parsing the view > definition or rule action; doing so would have to allow for the > possibility of a view column deriving its value from an arbitrarily > complex expression involving multiple tables, subqueries, etc.
I have been thinking the problem through again, and I think I am able to solve the problem if I just know which tables the view is using. But how do I get this information from the pg_depend table? Regards Jan ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend