/// <summary>
/// Returns a native implementation of <see cref="DbDataReader.GetStream(int)"/> for those providers
/// which support it. Otherwise returns a chuncked read using <see cref="DbDataReader.GetBytes(int, long, byte[], int, int)"/>.
/// </summary>
/// <param name="reader">The reader from which to return the stream.</param>
/// <param name="ordinal">The ordinal column for which to return the stream.</param>
/// <param name="storage">The storage that gives the invariant.</param>
/// <returns></returns>
public static Stream GetStream(this DbDataReader reader, int ordinal, IRelationalStorage storage)
{
if (storage.SupportsStreamNatively())
{
return(reader.GetStream(ordinal));
}
return(new OrleansRelationalDownloadStream(reader, ordinal));
}
