snowflake.snowpark.functions.create_map¶
- snowflake.snowpark.functions.create_map(*cols: Union[Column, str, Iterable[Union[Column, str]]]) Column[source]¶
Transforms multiple column pairs into a single map
Columnwhere each pair of columns is treated as a key-value pair in the resulting map.- Parameters:
*cols – A variable number of column names or
Columnobjects that can also be expressed as a list of columns. The function expects an even number of arguments, where each pair of arguments represents a key-value pair for the map.- Returns:
A
Columnwhere each row contains a map created from the provided column pairs.
Example
>>> from snowflake.snowpark.functions import create_map >>> df = session.create_dataframe([("Paris", "France"), ("Tokyo", "Japan")], ("city", "country")) >>> df.select(create_map("city", "country").alias("map")).show() ----------------------- |"MAP" | ----------------------- |{ | | "Paris": "France" | |} | |{ | | "Tokyo": "Japan" | |} | -----------------------
>>> df.select(create_map([df.city, df.country]).alias("map")).show() ----------------------- |"MAP" | ----------------------- |{ | | "Paris": "France" | |} | |{ | | "Tokyo": "Japan" | |} | -----------------------