HyukjinKwon edited a comment on issue #24724: User friendly dataset, dataframe generation for csv datasources without explicit StructType definitions. URL: https://github.com/apache/spark/pull/24724#issuecomment-496446607 Why don't we just call ```scala import org.apache.spark.sql.Encoders val schema = Encoders.product[Person].schema spark.read.schema(schema).csv("/tmp/csv").as[Person] ``` ? Once we allow, we have to consider allowing this all the ways. `createDataFrame`, `from_json`, `DataFrame[Stream]Reader.schema`, UDFs, etc. Is this something really worthy?
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