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java.lang.Objectca.uwaterloo.cs.ql.lib.Function
ca.uwaterloo.cs.ql.lib.BuiltinFunction
ca.uwaterloo.cs.ql.lib.avg
public class avg
Functions:
float avg(NodeSet)
float avg(TupleSet, col)
Examples:
A { age = 10 }
B { age = 10 }
C { age = 30 }
D { age = 32 }
E { age = 32 }
>> avg(rng @age)
24.0
>> avg(@age, 1)
22.8
| Method Summary | |
|---|---|
Value |
invoke(Env env,
Value[] vals)
|
static void |
register(FunctionLib fLib)
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| Methods inherited from class ca.uwaterloo.cs.ql.lib.Function |
|---|
getName, getParamTypes, getSignature, getSignature, getType, synopsis, usage |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
|---|
public static void register(FunctionLib fLib)
public Value invoke(Env env,
Value[] vals)
throws InvocationException
invoke in class FunctionInvocationException
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