Бележка
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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|
+------------+