csc

Calcula a cossecante da coluna de entrada. Dá suporte ao Spark Connect.

Para a função SQL do Databricks correspondente, consulte a função csc.

Sintaxe

from pyspark.databricks.sql import functions as dbf

dbf.csc(col=<col>)

Parâmetros

Parâmetro	Tipo	Description
col	pyspark.sql.Column or column name	ângulo em radianos.

Devoluções

pyspark.sql.Column: cossecant do ângulo.

Exemplos

from pyspark.databricks.sql import functions as dbf
spark.sql("SELECT * FROM VALUES (PI() / 2), (PI() / 4) AS TAB(value)").select("*", dbf.csc("value")).show()

+------------------+------------------+
|             value|        CSC(value)|
+------------------+------------------+
|1.5707963267948...|               1.0|
|0.7853981633974...|1.4142135623730...|
+------------------+------------------+

from pyspark.databricks.sql import functions as dbf
spark.sql("SELECT * FROM VALUES (0.0), (FLOAT('NAN')), (NULL) AS TAB(value)").select("*", dbf.csc("value")).show()

+-----+----------+
|value|CSC(value)|
+-----+----------+
|  0.0|  Infinity|
|  NaN|       NaN|
| NULL|      NULL|
+-----+----------+