DryadLinqQueryable.SumAsQuery Method (IQueryable(Nullable(Int64)))

DryadLinqQueryable.SumAsQuery Method (IQueryable<Nullable<Int64>>)

DryadLINQ documentation

Same as Sum(IQueryable<Nullable<Int64>>), but returns an IQueryable<Nullable<Int64>> containing a single element. Computes the sum of a set of nullable Int64 values.

Namespace: Microsoft.Research.DryadLinq
Assembly: Microsoft.Research.DryadLinq (in Microsoft.Research.DryadLinq.dll) Version: 0.2.1.0 (0.2.1.0)

Syntax

C++

Copy

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

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

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

Parameters

source: Type: System.Linq.IQueryable<Nullable<Int64>>
A dataset of nullable Int64 values to calculate the sum of

Return Value

Type: IQueryable<Nullable<Int64>>
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<Int64>>. 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).

Reference

DryadLinqQueryable Class

SumAsQuery Overload

Microsoft.Research.DryadLinq Namespace