Returns a new base relation with the given parameters and user defined schema.
Returns a new base relation with the given parameters and user defined schema.
The parameters' keywords are case insensitive and this insensitivity is enforced by the Map that is passed to the function.
The string that represents the format that this data source provider uses.
The string that represents the format that this data source provider uses. This is overridden by children to provide a nice alias for the data source. For example:
override def shortName(): String = "parquet"
1.5.0