s

Berechnet den Sekans der Eingabespalte. Unterstützt Spark Connect.

Die entsprechende Databricks SQL-Funktion finden Sie unter sec Funktion.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.sec(col=<col>)

Die Parameter

Parameter	Typ	Description
col	pyspark.sql.Column or column name	Winkel in Bogenmaß

Rückkehr

pyspark.sql.Column: Sekans des Winkels.

Examples

from pyspark.databricks.sql import functions as dbf
spark.sql(
    "SELECT * FROM VALUES (PI() / 4), (PI() / 16) AS TAB(value)"
).select("*", dbf.sec("value")).show()

+-------------------+------------------+
|              value|        SEC(value)|
+-------------------+------------------+
| 0.7853981633974...| 1.414213562373...|
|0.19634954084936...|1.0195911582083...|
+-------------------+------------------+

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

+-----+----------+
|value|SEC(value)|
+-----+----------+
|  NaN|       NaN|
| NULL|      NULL|
+-----+----------+