Notiz
Zougrëff op dës Säit erfuerdert Autorisatioun. Dir kënnt probéieren, Iech unzemellen oder Verzeechnesser ze änneren.
Zougrëff op dës Säit erfuerdert Autorisatioun. Dir kënnt probéieren, Verzeechnesser ze änneren.
Returns the UNIX timestamp of the given time.
For the corresponding Databricks SQL function, see to_unix_timestamp function.
Syntax
from pyspark.sql import functions as dbf
dbf.to_unix_timestamp(timestamp=<timestamp>, format=<format>)
Parameters
| Parameter | Type | Description |
|---|---|---|
timestamp |
pyspark.sql.Column or str |
Input column or strings. |
format |
pyspark.sql.Column or str, optional |
format to use to convert UNIX timestamp values. |
Examples
spark.conf.set("spark.sql.session.timeZone", "America/Los_Angeles")
from pyspark.sql import functions as dbf
df = spark.createDataFrame([('2015-04-08 12:12:12',)], ['ts'])
df.select('*', dbf.to_unix_timestamp('ts')).show()
df = spark.createDataFrame([('2015-04-08',)], ['dt'])
df.select('*', dbf.to_unix_timestamp(df.dt, dbf.lit('yyyy-MM-dd'))).show()
df = spark.createDataFrame(
[('2015-04-08', 'yyyy-MM-dd'), ('2025+01+09', 'yyyy+MM+dd')], ['dt', 'fmt'])
df.select('*', dbf.to_unix_timestamp('dt', 'fmt')).show()
spark.conf.unset("spark.sql.session.timeZone")