Paolo Tavalazzi <ptavalazzi@xxxxxxxxx> writes: > My feeling is that having to only confront the value key venue_code with a > variable value and a constant value "*", > it can be possible to create an operator that it manages this type of query > using a hashjoin clause. > Is it possible?? No. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster