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snowflake.snowpark.functions.lag¶

snowflake.snowpark.functions.lag(e: ColumnOrName, offset: int = 1, default_value: ColumnOrLiteral | None = None, ignore_nulls: bool = False) → Column[source] (https://github.com/snowflakedb/snowpark-python/blob/release-v1.1.0/src/snowflake/snowpark/functions.py#L2894-L2907)¶: Accesses data in a previous row in the same result set without having to join the table to itself.