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PipelineDefinitionBuilder.SetWindowFields<TInput, TIntermediate, TPartitionBy, TWindowFields> Method (PipelineDefinition<TInput, TIntermediate>, Expression<Func<TIntermediate, TPartitionBy>>, Expression<Func<ISetWindowFieldsPartition<TIntermediate>, TWindowFields>>)

Create a $setWindowFields stage.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
Syntax
public static PipelineDefinition<TInput, BsonDocument> SetWindowFields<TInput, TIntermediate, TPartitionBy, TWindowFields>(
	this PipelineDefinition<TInput, TIntermediate> pipeline,
	Expression<Func<TIntermediate, TPartitionBy>> partitionBy,
	Expression<Func<ISetWindowFieldsPartition<TIntermediate>, TWindowFields>> output
)

Parameters

pipeline
Type: MongoDB.Driver.PipelineDefinition<TInput, TIntermediate>
The pipeline.
partitionBy
Type: System.Linq.Expressions.Expression<Func<TIntermediate, TPartitionBy>>
The partitionBy expression.
output
Type: System.Linq.Expressions.Expression<Func<ISetWindowFieldsPartition<TIntermediate>, TWindowFields>>
The window fields expression.

Type Parameters

TInput
The type of the input documents.
TIntermediate
The type of the intermediate documents.
TPartitionBy
The type of the value to partition by.
TWindowFields
The type of the added window fields.

Return Value

Type: PipelineDefinition<TInput, BsonDocument>
The stage.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type PipelineDefinition<TInput, TIntermediate>. 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