pyspark.sql.functions.count_distinct

pyspark.sql.functions.count_distinct(col: ColumnOrName, *cols: ColumnOrName) → pyspark.sql.column.Column

Returns a new Column for distinct count of col or cols.

New in version 3.2.0.

Examples

>>> df.agg(count_distinct(df.age, df.name).alias('c')).collect()
[Row(c=2)]

>>> df.agg(count_distinct("age", "name").alias('c')).collect()
[Row(c=2)]

pyspark.sql.functions.count pyspark.sql.functions.countDistinct