Nota
Capaian ke halaman ini memerlukan kebenaran. Anda boleh cuba mendaftar masuk atau menukar direktori.
Capaian ke halaman ini memerlukan kebenaran. Anda boleh cuba menukar direktori.
Returns the current time at the start of query evaluation as a TimeType column. All calls of current_time within the same query return the same value.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.current_time(precision=<precision>)
Parameters
| Parameter | Type | Description |
|---|---|---|
precision |
int, optional |
Number in the range [0..6], indicating how many fractional digits of seconds to include. If omitted, the default is 6. |
Returns
pyspark.sql.Column: Current time.
Examples
Example 1: Current time with default precision
from pyspark.databricks.sql import functions as dbf
spark.range(1).select(dbf.current_time().alias("time")).show()
+---------------+
| time|
+---------------+
|16:57:04.304361|
+---------------+
Example 2: Current time with specified precision
from pyspark.databricks.sql import functions as dbf
spark.range(1).select(dbf.current_time(3).alias("time")).show()
+------------+
| time|
+------------+
|16:57:04.304|
+------------+