Package edu.caltech.nanodb.functions

Class StdDev

java.lang.Object

edu.caltech.nanodb.functions.Function

edu.caltech.nanodb.functions.ScalarFunction

edu.caltech.nanodb.functions.AggregateFunction

edu.caltech.nanodb.functions.StdDevVarAggregate

edu.caltech.nanodb.functions.StdDev

All Implemented Interfaces:

Cloneable

public class StdDev
extends StdDevVarAggregate

Implementation of the STDDEV(x) SQL aggregate function, computes the standard deviation of its inputs. Returns NULL if no inputs are non-NULL.

Constructor Summary

Constructors

Constructor	Description
StdDev()

Method Summary

Methods inherited from class edu.caltech.nanodb.functions.StdDevVarAggregate

addValue, clearResult, getResult, getReturnType

Methods inherited from class edu.caltech.nanodb.functions.AggregateFunction

supportsDistinct

Methods inherited from class edu.caltech.nanodb.functions.Function

clone

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StdDev

public StdDev()