/// <summary>
/// Returns the number of documents that match the query (ignores Skip and Limit, unlike Size which honors them).
/// </summary>
/// <returns>The number of documents that match the query.</returns>
public virtual int Count()
{
isFrozen = true;
var command = new CommandDocument {
{ "count", collection.Name },
{ "query", BsonDocumentWrapper.Create(query) } // query is optional
};
var result = database.RunCommand(command);
return(result.Response["n"].ToInt32());
}
/// <summary>
/// Returns the number of documents that match the query (ignores Skip and Limit, unlike Size which honors them).
/// </summary>
/// <returns>The number of documents that match the query.</returns>
public virtual long Count()
{
_isFrozen = true;
var command = new CommandDocument
{
{ "count", _collection.Name },
{ "query", BsonDocumentWrapper.Create(_query), _query != null } // query is optional
};
var result = _database.RunCommand(command);
return(result.Response["n"].ToInt64());
}
/// <summary>
/// Drops a database.
/// </summary>
/// <param name="databaseName">The name of the database to be dropped.</param>
/// <returns>A <see cref="CommandResult"/>.</returns>
public virtual CommandResult DropDatabase(
string databaseName
)
{
MongoDatabase database = GetDatabase(databaseName);
var command = new CommandDocument("dropDatabase", 1);
return(database.RunCommand(command));
}
/// <summary>
/// Drops a database.
/// </summary>
/// <param name="databaseName">The name of the database to be dropped.</param>
/// <param name="credentials">Credentials for the database to be dropped (or admin credentials).</param>
/// <returns>A <see cref="CommandResult"/>.</returns>
public virtual CommandResult DropDatabase(string databaseName, MongoCredentials credentials)
{
MongoDatabase database = GetDatabase(databaseName, credentials);
var command = new CommandDocument("dropDatabase", 1);
var result = database.RunCommand(command);
_indexCache.Reset(databaseName);
return(result);
}