pyspark.sql.functions.sqrt#
- pyspark.sql.functions.sqrt(col)[source]#
- Computes the square root of the specified float value. - New in version 1.3.0. - Changed in version 3.4.0: Supports Spark Connect. - Parameters
- colColumnor column name
- target column to compute on. 
 
- col
- Returns
- Column
- column for computed results. 
 
 - Examples - >>> from pyspark.sql import functions as sf >>> spark.sql( ... "SELECT * FROM VALUES (-1), (0), (1), (4), (NULL) AS TAB(value)" ... ).select("*", sf.sqrt("value")).show() +-----+-----------+ |value|SQRT(value)| +-----+-----------+ | -1| NaN| | 0| 0.0| | 1| 1.0| | 4| 2.0| | NULL| NULL| +-----+-----------+