pyspark.sql.DataFrame.intersectAll¶
-
DataFrame.intersectAll(other)[source]¶ Return a new
DataFramecontaining rows in both thisDataFrameand anotherDataFramewhile preserving duplicates.This is equivalent to INTERSECT ALL in SQL. As standard in SQL, this function resolves columns by position (not by name).
New in version 2.4.0.
Examples
>>> df1 = spark.createDataFrame([("a", 1), ("a", 1), ("b", 3), ("c", 4)], ["C1", "C2"]) >>> df2 = spark.createDataFrame([("a", 1), ("a", 1), ("b", 3)], ["C1", "C2"])
>>> df1.intersectAll(df2).sort("C1", "C2").show() +---+---+ | C1| C2| +---+---+ | a| 1| | a| 1| | b| 3| +---+---+