Method GraphLookup
| MongoDB CSharp Driver API Reference (original) (raw)
Namespace
Assembly
MongoDB.Driver.dll
GraphLookup<TResult, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TNewResult>(IAggregateFluent, IMongoCollection, FieldDefinition<TFrom, TConnectFrom>, FieldDefinition<TFrom, TConnectTo>, AggregateExpressionDefinition<TResult, TStartWith>, FieldDefinition<TNewResult, TAs>, AggregateGraphLookupOptions<TFrom, TFrom, TNewResult>)
Appends a $graphLookup stage to the pipeline.
public static IAggregateFluent<TNewResult> GraphLookup<TResult, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TNewResult>(this IAggregateFluent<TResult> aggregate, IMongoCollection<TFrom> from, FieldDefinition<TFrom, TConnectFrom> connectFromField, FieldDefinition<TFrom, TConnectTo> connectToField, AggregateExpressionDefinition<TResult, TStartWith> startWith, FieldDefinition<TNewResult, TAs> @as, AggregateGraphLookupOptions<TFrom, TFrom, TNewResult> options = null) where TAs : IEnumerable<TFrom>Parameters
aggregate IAggregateFluent
The aggregate.
from IMongoCollection
The from collection.
connectFromField FieldDefinition<TFrom, TConnectFrom>
The connect from field.
connectToField FieldDefinition<TFrom, TConnectTo>
The connect to field.
startWith AggregateExpressionDefinition<TResult, TStartWith>
The start with value.
as FieldDefinition<TNewResult, TAs>
The as field.
options AggregateGraphLookupOptions<TFrom, TFrom, TNewResult>
The options.
Returns
The fluent aggregate interface.
Type Parameters
TResult
The type of the result.
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.
TNewResult
The type of the new result (must be same as TResult with an additional as field).
GraphLookup<TResult, TFrom>(IAggregateFluent, IMongoCollection, FieldDefinition<TFrom, BsonValue>, FieldDefinition<TFrom, BsonValue>, AggregateExpressionDefinition<TResult, BsonValue>, FieldDefinition<BsonDocument, IEnumerable>, FieldDefinition<BsonDocument, int>)
Appends a $graphLookup stage to the pipeline.
public static IAggregateFluent<BsonDocument> GraphLookup<TResult, TFrom>(this IAggregateFluent<TResult> aggregate, IMongoCollection<TFrom> from, FieldDefinition<TFrom, BsonValue> connectFromField, FieldDefinition<TFrom, BsonValue> connectToField, AggregateExpressionDefinition<TResult, BsonValue> startWith, FieldDefinition<BsonDocument, IEnumerable<BsonDocument>> @as, FieldDefinition<BsonDocument, int> depthField = null)Parameters
aggregate IAggregateFluent
The aggregate.
from IMongoCollection
The from collection.
connectFromField FieldDefinition<TFrom, BsonValue>
The connect from field.
connectToField FieldDefinition<TFrom, BsonValue>
The connect to field.
startWith AggregateExpressionDefinition<TResult, BsonValue>
The start with value.
as FieldDefinition<BsonDocument, IEnumerable<BsonDocument>>
The as field.
depthField FieldDefinition<BsonDocument, int>
The depth field.
Returns
IAggregateFluent<BsonDocument>
The fluent aggregate interface.
Type Parameters
TResult
The type of the result.
TFrom
The type of the from documents.
GraphLookup<TResult, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TNewResult>(IAggregateFluent, IMongoCollection, Expression<Func<TFrom, TConnectFrom>>, Expression<Func<TFrom, TConnectTo>>, Expression<Func<TResult, TStartWith>>, Expression<Func<TNewResult, TAs>>, AggregateGraphLookupOptions<TFrom, TFrom, TNewResult>)
Appends a $graphLookup stage to the pipeline.
public static IAggregateFluent<TNewResult> GraphLookup<TResult, TFrom, TConnectFrom, TConnectTo, TStartWith, TAs, TNewResult>(this IAggregateFluent<TResult> aggregate, IMongoCollection<TFrom> from, Expression<Func<TFrom, TConnectFrom>> connectFromField, Expression<Func<TFrom, TConnectTo>> connectToField, Expression<Func<TResult, TStartWith>> startWith, Expression<Func<TNewResult, TAs>> @as, AggregateGraphLookupOptions<TFrom, TFrom, TNewResult> options = null) where TAs : IEnumerable<TFrom>Parameters
aggregate IAggregateFluent
The aggregate.
from IMongoCollection
The from collection.
connectFromField Expression<Func<TFrom, TConnectFrom>>
The connect from field.
connectToField Expression<Func<TFrom, TConnectTo>>
The connect to field.
startWith Expression<Func<TResult, TStartWith>>
The start with value.
as Expression<Func<TNewResult, TAs>>
The as field.
options AggregateGraphLookupOptions<TFrom, TFrom, TNewResult>
The options.
Returns
The fluent aggregate interface.
Type Parameters
TResult
The type of the result.
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.
TNewResult
The type of the new result (must be same as TResult with an additional as field).
GraphLookup<TResult, TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TNewResult>(IAggregateFluent, IMongoCollection, Expression<Func<TFrom, TConnectFrom>>, Expression<Func<TFrom, TConnectTo>>, Expression<Func<TResult, TStartWith>>, Expression<Func<TNewResult, TAs>>, Expression<Func<TAsElement, int>>, AggregateGraphLookupOptions<TFrom, TAsElement, TNewResult>)
Appends a $graphLookup stage to the pipeline.
public static IAggregateFluent<TNewResult> GraphLookup<TResult, TFrom, TConnectFrom, TConnectTo, TStartWith, TAsElement, TAs, TNewResult>(this IAggregateFluent<TResult> aggregate, IMongoCollection<TFrom> from, Expression<Func<TFrom, TConnectFrom>> connectFromField, Expression<Func<TFrom, TConnectTo>> connectToField, Expression<Func<TResult, TStartWith>> startWith, Expression<Func<TNewResult, TAs>> @as, Expression<Func<TAsElement, int>> depthField, AggregateGraphLookupOptions<TFrom, TAsElement, TNewResult> options = null) where TAs : IEnumerable<TAsElement>Parameters
aggregate IAggregateFluent
The aggregate.
from IMongoCollection
The from collection.
connectFromField Expression<Func<TFrom, TConnectFrom>>
The connect from field.
connectToField Expression<Func<TFrom, TConnectTo>>
The connect to field.
startWith Expression<Func<TResult, TStartWith>>
The start with value.
as Expression<Func<TNewResult, TAs>>
The as field.
depthField Expression<Func<TAsElement, int>>
The depth field.
options AggregateGraphLookupOptions<TFrom, TAsElement, TNewResult>
The options.
Returns
The fluent aggregate interface.
Type Parameters
TResult
The type of the result.
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.
TNewResult
The type of the new result (must be same as TResult with an additional as field).