Manuel Sugawara <masm@fciencias.unam.mx> writes: > I have a query that use to work fine in 3 or 4 releases before 8.2 but > now it's very slow, same database same data set, explain analyze > follows:
You've omitted all the interesting details --- obviously registro_trayectoria is a view, but of what? Please show the table and view definitions involved. 8.2 is a good bit more conservative than previous releases about optimizing views involving volatile functions, so I'm wondering whether that could have anything to do with it ... regards, tom lane ---------------------------(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