NpgsqlMultiHostDataSource - wrong cancelation handling #6282
Description
AS IS
Npgsql.NpgsqlException is thrown if the calling code cancels the request while the connection is being established.
Npgsql.NpgsqlException (0x80004005): Unable to connect to a suitable host. Check inner exception for more details.
---> System.AggregateException: One or more errors occurred. (The operation was canceled.) (The operation was canceled.)
---> System.OperationCanceledException: The operation was canceled.
at System.Threading.CancellationToken.ThrowOperationCanceledException()
at System.Threading.CancellationToken.ThrowIfCancellationRequested()
at Npgsql.PoolingDataSource.<Get>g__RentAsync|33_0(NpgsqlConnection conn, NpgsqlTimeout timeout, Boolean async, CancellationToken cancellationToken)
PROPOSAL
TaskCanceledException should be rethrown instead.