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: 0.1.2.0 (0.1.2.0)

Syntax

C++

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

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))

<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
)

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).