Compartir a través de


Experiencia

Calcula el valor exponencial del valor especificado. Soporta Spark Connect.

Para obtener la función SQL de Databricks correspondiente, consulte exp function.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.exp(col=<col>)

Parámetros

Parámetro Tipo Description
col pyspark.sql.Column or column name columna para la que se va a calcular exponencialmente.

Devoluciones

pyspark.sql.Column: exponencial del valor especificado.

Examples

from pyspark.databricks.sql import functions as dbf
df = spark.sql("SELECT id AS value FROM RANGE(5)")
df.select("*", dbf.exp(df.value)).show() # doctest: +SKIP
+-----+------------------+
|value|        EXP(value)|
+-----+------------------+
|    0|               1.0|
|    1|2.7182818284590...|
|    2|  7.38905609893...|
|    3|20.085536923187...|
|    4|54.598150033144...|
+-----+------------------+

from pyspark.databricks.sql import functions as dbf
spark.sql(
    "SELECT * FROM VALUES (FLOAT('NAN')), (NULL) AS TAB(value)"
).select("*", dbf.exp("value")).show()
+-----+----------+
|value|EXP(value)|
+-----+----------+
|  NaN|       NaN|
| NULL|      NULL|
+-----+----------+