How to limit search range without using subquery when query SQL DB via JDBC?

2016-05-13 Thread Jyun-Fan Tsai
it to jdbc driver. === https://github.com/apache/spark/blob/40ed2af587cedadc6e5249031857a922b3b234ca/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRelation.scala === -- Thanks for help, Jyun-Fan Tsai

How to specify column type when saving DataFrame as parquet file?

2015-08-11 Thread Jyun-Fan Tsai
should I do to specify the column type when saving parquet file? Thank you, Jyun-Fan Tsai - To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org