csc

Calcula la cosecante de la columna de entrada. Soporta Spark Connect.

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

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.csc(col=<col>)

Parámetros

Parámetro	Tipo	Description
col	pyspark.sql.Column or column name	ángulo en radianes.

Devoluciones

pyspark.sql.Column: cosecant del ángulo.

Examples

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|
+-----+----------+