. I have _additional_ constraints to place on modifications done through views, and trickyness involved in modifying the underlying tables.
Write a function foo that returns a set, then a view: "create view as select * from foo()". Incorporate all the trickiness in the function, including variables, multiple temporary tables, whatever you need. ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match