secondo

Estrarre i secondi di una data specificata come integer.

Per la funzione SQL di Databricks corrispondente, vedere second funzione.

Sintassi

from pyspark.databricks.sql import functions as dbf

dbf.second(col=<col>)

Parametri

Restituzioni

pyspark.sql.Column: seconds parte del timestamp come integer.

Esempi

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('2015-04-08 13:08:15',), ('2024-10-31 10:09:16',)], ['ts'])
df.select("*", dbf.typeof('ts'), dbf.second('ts')).show()
import datetime
df = spark.createDataFrame([
(datetime.datetime(2015, 4, 8, 13, 8, 15),),
(datetime.datetime(2024, 10, 31, 10, 9, 16),)], ['ts'])
df.select("*", dbf.typeof('ts'), dbf.second('ts')).show()
import datetime
df = spark.createDataFrame([
("13:08:15",),
("10:09:16",)], ['t']).withColumn("t", dbf.col("t").cast("time"))
df.select("*", dbf.typeof('t'), dbf.second('t')).show()