snowflake.snowpark.functions.map_keys¶
- snowflake.snowpark.functions.map_keys(col: Union[Column, str])[source]¶
Returns the keys in a MAP.
- Parameters:
col – The input map.
- Example 1::
>>> df = session.sql("select {'k1': 'v1', 'k2': 'v2'} :: MAP(STRING,STRING) as M") >>> df.select(map_keys("M")).show() --------------------- |"MAP_KEYS(""M"")" | --------------------- |[ | | "k1", | | "k2" | |] | ---------------------