SelectCSVRelation

select

SelectCSVSource

select

SelectJSONRelation

select

SelectJSONSource

select

SelectParquetRelation

select

SelectParquetSource

select

schema

SelectCSVRelation SelectJSONRelation SelectParquetRelation

select

spark

shortName

SelectCSVSource SelectJSONSource SelectParquetSource

spark

minio

sqlContext

SelectCSVRelation SelectJSONRelation SelectParquetRelation