Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/13380#discussion_r65469915
--- Diff: mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala ---
@@ -33,36 +33,34 @@ import org.apache.spark.ml.classification.{OneVsRest,
OneVsRestModel}
import org.apache.spark.ml.feature.RFormulaModel
import org.apache.spark.ml.param.{ParamPair, Params}
import org.apache.spark.ml.tuning.ValidatorParams
-import org.apache.spark.sql.{SparkSession, SQLContext}
+import org.apache.spark.sql.SparkSession
import org.apache.spark.util.Utils
/**
* Trait for [[MLWriter]] and [[MLReader]].
*/
private[util] sealed trait BaseReadWrite {
- private var optionSQLContext: Option[SQLContext] = None
+ private var optionSparkSession: Option[SparkSession] = None
/**
- * Sets the SQL context to use for saving/loading.
+ * Sets the Spark Session to use for saving/loading.
*/
@Since("1.6.0")
- def context(sqlContext: SQLContext): this.type = {
- optionSQLContext = Option(sqlContext)
+ def context(sparkSession: SparkSession): this.type = {
+ optionSparkSession = Option(sparkSession)
this
}
/**
- * Returns the user-specified SQL context or the default.
+ * Returns the user-specified Spark Session or the default.
*/
- protected final def sqlContext: SQLContext = {
- if (optionSQLContext.isEmpty) {
- optionSQLContext =
Some(SQLContext.getOrCreate(SparkContext.getOrCreate()))
+ protected final def sparkSession: SparkSession = {
--- End diff --
Again, should we deprecate existing stuff?
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