"A. Kretschmer" <andreas.kretschmer@xxxxxxxxxxxxxx> writes: > i expected for a 1000 row test-table a cost per function of 2.5 > (cpu_operator_cost = 0.0025), but i got 5. What's the data type of "i"? I suspect you really have two function calls in that expression: a type coercion function and cos() itself. regards, tom lane
