Method GraphLookup

Namespace

MongoDB.Driver

Assembly

MongoDB.Driver.dll

GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TOutput>(IMongoCollection<TFrom>, FieldDefinition<TFrom, TConnectFrom>, FieldDefinition<TFrom, TConnectTo>, AggregateExpressionDefinition<TInput, TStartWith>, FieldDefinition<TOutput, TAs>, FieldDefinition<TAsElement, int>, AggregateGraphLookupOptions<TFrom, TAsElement, TOutput>)

Creates a $graphLookup stage.

public static PipelineStageDefinition<TInput, TOutput> GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TOutput>(IMongoCollection<TFrom> from, FieldDefinition<TFrom, TConnectFrom> connectFromField, FieldDefinition<TFrom, TConnectTo> connectToField, AggregateExpressionDefinition<TInput, TStartWith> startWith, FieldDefinition<TOutput, TAs> @as, FieldDefinition<TAsElement, int> depthField, AggregateGraphLookupOptions<TFrom, TAsElement, TOutput> options = null) where TAs : IEnumerable<TAsElement>

Parameters

from IMongoCollection<TFrom>

The from collection.

connectFromField FieldDefinition<TFrom, TConnectFrom>

The connect from field.

connectToField FieldDefinition<TFrom, TConnectTo>

The connect to field.

startWith AggregateExpressionDefinition<TInput, TStartWith>

The start with value.

as FieldDefinition<TOutput, TAs>

The as field.

depthField FieldDefinition<TAsElement, int>

The depth field.

options AggregateGraphLookupOptions<TFrom, TAsElement, TOutput>

The options.

Returns

PipelineStageDefinition<TInput, TOutput>

The stage.

Type Parameters

TInput

The type of the input documents.

TFrom

The type of the from documents.

TConnectFrom

The type of the connect from field (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TConnectTo

The type of the connect to field.

TStartWith

The type of the start with expression (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TAsElement

The type of the as field elements.

TAs

The type of the as field.

TOutput

The type of the output documents.

GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TOutput>(IMongoCollection<TFrom>, FieldDefinition<TFrom, TConnectFrom>, FieldDefinition<TFrom, TConnectTo>, AggregateExpressionDefinition<TInput, TStartWith>, FieldDefinition<TOutput, TAs>, AggregateGraphLookupOptions<TFrom, TFrom, TOutput>)

Creates a $graphLookup stage.

public static PipelineStageDefinition<TInput, TOutput> GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TOutput>(IMongoCollection<TFrom> from, FieldDefinition<TFrom, TConnectFrom> connectFromField, FieldDefinition<TFrom, TConnectTo> connectToField, AggregateExpressionDefinition<TInput, TStartWith> startWith, FieldDefinition<TOutput, TAs> @as, AggregateGraphLookupOptions<TFrom, TFrom, TOutput> options = null) where TAs : IEnumerable<TFrom>

Parameters

from IMongoCollection<TFrom>

The from collection.

connectFromField FieldDefinition<TFrom, TConnectFrom>

The connect from field.

connectToField FieldDefinition<TFrom, TConnectTo>

The connect to field.

startWith AggregateExpressionDefinition<TInput, TStartWith>

The start with value.

as FieldDefinition<TOutput, TAs>

The as field.

options AggregateGraphLookupOptions<TFrom, TFrom, TOutput>

The options.

Returns

PipelineStageDefinition<TInput, TOutput>

The stage.

Type Parameters

TInput

The type of the input documents.

TFrom

The type of the from documents.

TConnectFrom

The type of the connect from field (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TConnectTo

The type of the connect to field.

TStartWith

The type of the start with expression (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TAs

The type of the as field.

TOutput

The type of the output documents.

GraphLookup<TInput, TFrom>(IMongoCollection<TFrom>, FieldDefinition<TFrom, BsonValue>, FieldDefinition<TFrom, BsonValue>, AggregateExpressionDefinition<TInput, BsonValue>, FieldDefinition<BsonDocument, IEnumerable<BsonDocument>>, FieldDefinition<BsonDocument, int>)

Creates a $graphLookup stage.

public static PipelineStageDefinition<TInput, BsonDocument> GraphLookup<TInput, TFrom>(IMongoCollection<TFrom> from, FieldDefinition<TFrom, BsonValue> connectFromField, FieldDefinition<TFrom, BsonValue> connectToField, AggregateExpressionDefinition<TInput, BsonValue> startWith, FieldDefinition<BsonDocument, IEnumerable<BsonDocument>> @as, FieldDefinition<BsonDocument, int> depthField = null)

Parameters

from IMongoCollection<TFrom>

The from collection.

connectFromField FieldDefinition<TFrom, BsonValue>

The connect from field.

connectToField FieldDefinition<TFrom, BsonValue>

The connect to field.

startWith AggregateExpressionDefinition<TInput, BsonValue>

The start with value.

as FieldDefinition<BsonDocument, IEnumerable<BsonDocument>>

The as field.

depthField FieldDefinition<BsonDocument, int>

The depth field.

Returns

PipelineStageDefinition<TInput, BsonDocument>

The fluent aggregate interface.

Type Parameters

TInput

The type of the input documents.

TFrom

The type of the from documents.

GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TOutput>(IMongoCollection<TFrom>, Expression<Func<TFrom, TConnectFrom>>, Expression<Func<TFrom, TConnectTo>>, Expression<Func<TInput, TStartWith>>, Expression<Func<TOutput, TAs>>, AggregateGraphLookupOptions<TFrom, TFrom, TOutput>, ExpressionTranslationOptions)

Creates a $graphLookup stage.

public static PipelineStageDefinition<TInput, TOutput> GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TOutput>(IMongoCollection<TFrom> from, Expression<Func<TFrom, TConnectFrom>> connectFromField, Expression<Func<TFrom, TConnectTo>> connectToField, Expression<Func<TInput, TStartWith>> startWith, Expression<Func<TOutput, TAs>> @as, AggregateGraphLookupOptions<TFrom, TFrom, TOutput> options = null, ExpressionTranslationOptions translationOptions = null) where TAs : IEnumerable<TFrom>

Parameters

from IMongoCollection<TFrom>

The from collection.

connectFromField Expression<Func<TFrom, TConnectFrom>>

The connect from field.

connectToField Expression<Func<TFrom, TConnectTo>>

The connect to field.

startWith Expression<Func<TInput, TStartWith>>

The start with value.

as Expression<Func<TOutput, TAs>>

The as field.

options AggregateGraphLookupOptions<TFrom, TFrom, TOutput>

The options.

translationOptions ExpressionTranslationOptions

The translation options.

Returns

PipelineStageDefinition<TInput, TOutput>

The stage.

Type Parameters

TInput

The type of the input documents.

TFrom

The type of the from documents.

TConnectFrom

The type of the connect from field (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TConnectTo

The type of the connect to field.

TStartWith

The type of the start with expression (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TAs

The type of the as field.

TOutput

The type of the output documents.

GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TOutput>(IMongoCollection<TFrom>, Expression<Func<TFrom, TConnectFrom>>, Expression<Func<TFrom, TConnectTo>>, Expression<Func<TInput, TStartWith>>, Expression<Func<TOutput, TAs>>, Expression<Func<TAsElement, int>>, AggregateGraphLookupOptions<TFrom, TAsElement, TOutput>, ExpressionTranslationOptions)

Creates a $graphLookup stage.

public static PipelineStageDefinition<TInput, TOutput> GraphLookup<TInput, TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TOutput>(IMongoCollection<TFrom> from, Expression<Func<TFrom, TConnectFrom>> connectFromField, Expression<Func<TFrom, TConnectTo>> connectToField, Expression<Func<TInput, TStartWith>> startWith, Expression<Func<TOutput, TAs>> @as, Expression<Func<TAsElement, int>> depthField, AggregateGraphLookupOptions<TFrom, TAsElement, TOutput> options = null, ExpressionTranslationOptions translationOptions = null) where TAs : IEnumerable<TAsElement>

Parameters

from IMongoCollection<TFrom>

The from collection.

connectFromField Expression<Func<TFrom, TConnectFrom>>

The connect from field.

connectToField Expression<Func<TFrom, TConnectTo>>

The connect to field.

startWith Expression<Func<TInput, TStartWith>>

The start with value.

as Expression<Func<TOutput, TAs>>

The as field.

depthField Expression<Func<TAsElement, int>>

The depth field.

options AggregateGraphLookupOptions<TFrom, TAsElement, TOutput>

The options.

translationOptions ExpressionTranslationOptions

The translation options.

Returns

PipelineStageDefinition<TInput, TOutput>

The stage.

Type Parameters

TInput

The type of the input documents.

TFrom

The type of the from documents.

TConnectFrom

The type of the connect from field (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TConnectTo

The type of the connect to field.

TStartWith

The type of the start with expression (must be either TConnectTo or a type that implements IEnumerable{TConnectTo}).

TAsElement

The type of the as field elements.

TAs

The type of the as field.

TOutput

The type of the output documents.