> I'm having performance issues with a table consisting of 2,043,133 rows. > The > schema is:
> locality_1 has 16650 distinct values and locality_2 has 1156 distinct > values. Just so you know I have a 2GHz p4 workstation with similar size (2M rows), several keys, and can find and fetch 2k rows based on 20k unique value key in about 60 ms. (.06 seconds). Merlin ---------------------------(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