case classTokenizeSubqueries(sparkSession: SparkSession) extends Rule[SparkPlan] with Product with Serializable
Plans scalar subqueries like the Spark's PlanSubqueries but uses customized
ScalarSubquery to insert a tokenized literal instead of literal value embedded
in code to allow generated code re-use and improve performance substantially.
Linear Supertypes
Serializable, Serializable, Product, Equals, Rule[SparkPlan], internal.Logging, AnyRef, Any
Plans scalar subqueries like the Spark's PlanSubqueries but uses customized ScalarSubquery to insert a tokenized literal instead of literal value embedded in code to allow generated code re-use and improve performance substantially.