Github user JustinPihony commented on a diff in the pull request: https://github.com/apache/spark/pull/12601#discussion_r77949242 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcRelationProvider.scala --- @@ -17,39 +17,105 @@ package org.apache.spark.sql.execution.datasources.jdbc +import java.sql.SQLException import java.util.Properties -import org.apache.spark.sql.SQLContext -import org.apache.spark.sql.sources.{BaseRelation, DataSourceRegister, RelationProvider} +import org.apache.spark.sql.{DataFrame, SaveMode, SQLContext} +import org.apache.spark.sql.sources.{BaseRelation, CreatableRelationProvider, DataSourceRegister, RelationProvider} +import org.apache.spark.sql.types.StructType -class JdbcRelationProvider extends RelationProvider with DataSourceRegister { +class JdbcRelationProvider extends CreatableRelationProvider + with RelationProvider with DataSourceRegister { override def shortName(): String = "jdbc" - /** Returns a new base relation with the given parameters. */ override def createRelation( sqlContext: SQLContext, parameters: Map[String, String]): BaseRelation = { val jdbcOptions = new JDBCOptions(parameters) - if (jdbcOptions.partitionColumn != null - && (jdbcOptions.lowerBound == null - || jdbcOptions.upperBound == null - || jdbcOptions.numPartitions == null)) { - sys.error("Partitioning incompletely specified") --- End diff -- Added.
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