snowflake.snowpark.functions.as_timestamp_ltz

snowflake.snowpark.functions.as_timestamp_ltz(variant: Union[Column, str]) Column[source] (https://github.com/snowflakedb/snowpark-python/blob/v1.16.0/src/snowflake/snowpark/functions.py#L6196-L6210)

Casts a VARIANT value to a TIMESTAMP with a local timezone.

Example:

>>> from snowflake.snowpark.functions import as_timestamp_ltz, to_variant
>>> df = session.sql("select TO_TIMESTAMP_LTZ('2018-10-10 12:34:56') as alarm")
>>> df.alarm_v = to_variant(df.alarm)
>>> df.select(df.alarm_v.as_("alarm")).collect() == df.select(df.alarm).collect()
False
>>> df.select(as_timestamp_ltz(df.alarm_v).as_("alarm")).collect() == df.select(df.alarm).collect()
True
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语言: 中文