@InterfaceStability.Evolving public interface ReadSupport
DataSourceV2. Data sources can implement this interface to provide data reading ability and scan the data from the data source.
DataSourceV2Reader createReader(DataSourceV2Options options)
DataSourceV2Readerto scan the data from this data source. If this method fails (by throwing an exception), the action would fail and no Spark job was submitted.
options- the options for the returned data source reader, which is an immutable case-insensitive string-to-string map.