pyspark.sql.functions.least#
- pyspark.sql.functions.least(*cols)[source]#
Returns the least value of the list of column names, skipping null values. This function takes at least 2 parameters. It will return null if all parameters are null.
New in version 1.5.0.
Changed in version 3.4.0: Supports Spark Connect.
- Parameters
- cols
Column
or column name column names or columns to be compared
- cols
- Returns
Column
least value.
See also
Examples
>>> import pyspark.sql.functions as sf >>> df = spark.createDataFrame([(1, 4, 3)], ['a', 'b', 'c']) >>> df.select("*", sf.least(df.a, "b", df.c)).show() +---+---+---+--------------+ | a| b| c|least(a, b, c)| +---+---+---+--------------+ | 1| 4| 3| 1| +---+---+---+--------------+