Github user dongjoon-hyun commented on a diff in the pull request: https://github.com/apache/spark/pull/18864#discussion_r131685410 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcRelationProvider.scala --- @@ -29,17 +29,22 @@ class JdbcRelationProvider extends CreatableRelationProvider override def createRelation( sqlContext: SQLContext, parameters: Map[String, String]): BaseRelation = { + import JDBCOptions._ + val jdbcOptions = new JDBCOptions(parameters) val partitionColumn = jdbcOptions.partitionColumn val lowerBound = jdbcOptions.lowerBound val upperBound = jdbcOptions.upperBound val numPartitions = jdbcOptions.numPartitions val partitionInfo = if (partitionColumn.isEmpty) { - assert(lowerBound.isEmpty && upperBound.isEmpty) --- End diff -- Thank you for pinging me, @gatorsmile .
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