join Operator¶

join is part of Dataset API for Streaming Join.

join(
  right: Dataset[_]): DataFrame
join(
  right: Dataset[_],
  joinExprs: Column): DataFrame
join(
  right: Dataset[_],
  joinExprs: Column,
  joinType: String): DataFrame
join(
  right: Dataset[_],
  usingColumns: Seq[String]): DataFrame
join(
  right: Dataset[_],
  usingColumns: Seq[String],
  joinType: String): DataFrame
join(
  right: Dataset[_],
  usingColumn: String): DataFrame

join creates a Dataset with a Join (Spark SQL) logical operator.