DryadLinqQueryable.SumAsQuery Method (IQueryable(Nullable(Double)))

DryadLinqQueryable SumAsQuery Method (IQueryable Nullable Double )

DryadLINQ documentation

Same as Sum(IQueryable Nullable Double ), but returns an IQueryable<Nullable<Double>> containing a single element. Computes the sum of a set of nullable double values.

Namespace: Microsoft.Research.DryadLinq
Assembly: Microsoft.Research.DryadLinq (in Microsoft.Research.DryadLinq.dll) Version: 0.1.2.0 (0.1.2.0)

Syntax

C++

Copy to Clipboard Print

public static IQueryable<Nullable<double>> SumAsQuery(
	this IQueryable<Nullable<double>> source
)

public static IQueryable<Nullable<double>> SumAsQuery(
	this IQueryable<Nullable<double>> source
)

<ExtensionAttribute> 
Public Shared Function SumAsQuery ( 
	source As IQueryable(Of Nullable(Of Double))
) As IQueryable(Of Nullable(Of Double))

<ExtensionAttribute> 
Public Shared Function SumAsQuery ( 
	source As IQueryable(Of Nullable(Of Double))
) As IQueryable(Of Nullable(Of Double))

public:
[ExtensionAttribute]
static IQueryable<Nullable<double>>^ SumAsQuery(
	IQueryable<Nullable<double>>^ source
)

public:
[ExtensionAttribute]
static IQueryable<Nullable<double>>^ SumAsQuery(
	IQueryable<Nullable<double>>^ source
)

Parameters

source: Type: System.Linq IQueryable Nullable Double
A dataset of nullable double values to calculate the sum of

Return Value

Type: IQueryable Nullable Double
The sum of the values in the dataset

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryable Nullable Double . When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).