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snowflake.snowpark.functions.last_day¶

snowflake.snowpark.functions.last_day(e: Union[Column, str]) → Column[source]¶

Returns the last day of the specified date part for a date or timestamp. Commonly used to return the last day of the month for a date or timestamp.

Example:

>>> import datetime
>>> df = session.create_dataframe([
...     datetime.datetime.strptime("2020-05-01 13:11:20.000", "%Y-%m-%d %H:%M:%S.%f"),
...     datetime.datetime.strptime("2020-08-21 01:30:05.000", "%Y-%m-%d %H:%M:%S.%f")
... ], schema=["a"])
>>> df.select(last_day("a")).collect()
[Row(LAST_DAY("A")=datetime.date(2020, 5, 31)), Row(LAST_DAY("A")=datetime.date(2020, 8, 31))]

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