Method CountDocuments

| MongoDB CSharp Driver API Reference (original) (raw)

Namespace

Assembly

MongoDB.Driver.dll

CountDocuments(IMongoCollection, Expression<Func<TDocument, bool>>, CountOptions, CancellationToken)

public static long CountDocuments<TDocument>(this IMongoCollection<TDocument> collection, Expression<Func<TDocument, bool>> filter, CountOptions options = null, CancellationToken cancellationToken = default)

Parameters

collection IMongoCollection

The collection.

filter Expression<Func<TDocument, bool>>

The filter.

options CountOptions

The options.

cancellationToken CancellationToken

The cancellation token.

Returns

long

The number of documents in the collection.

Type Parameters

TDocument

The type of the document.

CountDocuments(IMongoCollection, IClientSessionHandle, Expression<Func<TDocument, bool>>, CountOptions, CancellationToken)

public static long CountDocuments<TDocument>(this IMongoCollection<TDocument> collection, IClientSessionHandle session, Expression<Func<TDocument, bool>> filter, CountOptions options = null, CancellationToken cancellationToken = default)