pyspark.sql.functions.array_intersect

pyspark.sql.functions.array_intersect(col1: ColumnOrName, col2: ColumnOrName) → pyspark.sql.column.Column

Collection function: returns an array of the elements in the intersection of col1 and col2, without duplicates.

New in version 2.4.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

col1Column or str

name of column containing array

col2Column or str

name of column containing array

Returns

Column

an array of values in the intersection of two arrays.

Examples

>>> from pyspark.sql import Row
>>> df = spark.createDataFrame([Row(c1=["b", "a", "c"], c2=["c", "d", "a", "f"])])
>>> df.select(array_intersect(df.c1, df.c2)).collect()
[Row(array_intersect(c1, c2)=['a', 'c'])]

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