Method Unwind

Namespace

MongoDB.Driver

Assembly

MongoDB.Driver.dll

Unwind<TResult>(IAggregateFluent<TResult>, FieldDefinition<TResult>)

Appends an unwind stage to the pipeline.

public static IAggregateFluent<BsonDocument> Unwind<TResult>(this IAggregateFluent<TResult> aggregate, FieldDefinition<TResult> field)

Parameters

aggregate IAggregateFluent<TResult>

The aggregate.

field FieldDefinition<TResult>

The field to unwind.

Returns

IAggregateFluent<BsonDocument>

The fluent aggregate interface.

Type Parameters

TResult

The type of the result.

Unwind<TResult>(IAggregateFluent<TResult>, Expression<Func<TResult, object>>)

Appends an unwind stage to the pipeline.

public static IAggregateFluent<BsonDocument> Unwind<TResult>(this IAggregateFluent<TResult> aggregate, Expression<Func<TResult, object>> field)

Parameters

aggregate IAggregateFluent<TResult>

The aggregate.

field Expression<Func<TResult, object>>

The field to unwind.

Returns

IAggregateFluent<BsonDocument>

The fluent aggregate interface.

Type Parameters

TResult

The type of the result.

Unwind<TResult, TNewResult>(IAggregateFluent<TResult>, Expression<Func<TResult, object>>, IBsonSerializer<TNewResult>)

Appends an unwind stage to the pipeline.

[Obsolete("Use the Unwind overload which takes an options parameter.")]
public static IAggregateFluent<TNewResult> Unwind<TResult, TNewResult>(this IAggregateFluent<TResult> aggregate, Expression<Func<TResult, object>> field, IBsonSerializer<TNewResult> newResultSerializer)

Parameters

aggregate IAggregateFluent<TResult>

The aggregate.

field Expression<Func<TResult, object>>

The field to unwind.

newResultSerializer IBsonSerializer<TNewResult>

The new result serializer.

Returns

IAggregateFluent<TNewResult>

The fluent aggregate interface.

Type Parameters

TResult

The type of the result.

TNewResult

The type of the new result.

Unwind<TResult, TNewResult>(IAggregateFluent<TResult>, Expression<Func<TResult, object>>, AggregateUnwindOptions<TNewResult>)

Appends an unwind stage to the pipeline.

public static IAggregateFluent<TNewResult> Unwind<TResult, TNewResult>(this IAggregateFluent<TResult> aggregate, Expression<Func<TResult, object>> field, AggregateUnwindOptions<TNewResult> options = null)

Parameters

aggregate IAggregateFluent<TResult>

The aggregate.

field Expression<Func<TResult, object>>

The field to unwind.

options AggregateUnwindOptions<TNewResult>

The options.

Returns

IAggregateFluent<TNewResult>

The fluent aggregate interface.

Type Parameters

TResult

The type of the result.

TNewResult

The type of the new result.