snowflake.snowpark.functions.as_char

snowflake.snowpark.functions.as_char(variant: Union[Column, str]) Column[source] (https://github.com/snowflakedb/snowpark-python/blob/v1.16.0/src/snowflake/snowpark/functions.py#L5952-L5966)

Casts a VARIANT value to a string.

Example:

>>> from snowflake.snowpark.functions import as_char, to_variant
>>> df = session.sql("select 'some string' as char")
>>> df.char_v = to_variant(df.char)
>>> df.select(df.char_v.as_("char")).collect() == df.select(df.char).collect()
False
>>> df.select(as_char(df.char_v).as_("char")).collect() == df.select(df.char).collect()
True
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语言: 中文