snowflake.snowpark.functions.datediff¶

snowflake.snowpark.functions.datediff(part: str, col1: ColumnOrName, col2: ColumnOrName) → Column[source]¶

Calculates the difference between two date, time, or timestamp columns based on the date or time part requested.

Supported date and time parts

Example:

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>>> # year difference between two date columns
>>> import datetime
>>> date_df = session.create_dataframe([[datetime.date(2020, 1, 1), datetime.date(2021, 1, 1)]], schema=["date_col1", "date_col2"])
>>> date_df.select(datediff("year", col("date_col1"), col("date_col2")).alias("year_diff")).show()
---------------
|"YEAR_DIFF"  |
---------------
|1            |
---------------

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Parameters:

• part – The time part to use for calculating the difference

• col1 – The first timestamp column or minuend in the datediff

• col2 – The second timestamp column or the subtrahend in the datediff