DryadLinqQueryable RangePartition TSource, TKey  Method (IQueryable TSource , Expression Func TSource, TKey  )DryadLINQ documentation
Range partition a dataset. The list of range keys are determined dynamically at runtime.

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

public static IQueryable<TSource> RangePartition<TSource, TKey>(
	this IQueryable<TSource> source,
	Expression<Func<TSource, TKey>> keySelector
)

Parameters

source
Type: System.Linq IQueryable TSource 
The dataset to be partitioned
keySelector
Type: System.Linq.Expressions Expression Func TSource, TKey  
The function to extract the key from a record
Type Parameters

TSource
The type of the records in the dataset
TKey
The type of the key on which the partition is based

Return Value

Type: IQueryable TSource 
An IQueryable hash-partitioned according to a key

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryable TSource . 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).
See Also