Module functions 

Traits

UDFCoercionExt

Extension trait to unify common functionality between ScalarUDF, AggregateUDF and WindowUDF for use by signature coercion functions.

Functions

can_coerce_from

Return true if a value of type type_from can be coerced (losslessly converted) into a value of type_to

data_typesDeprecated

Performs type coercion for function arguments.

data_types_with_scalar_udfDeprecated

Performs type coercion for scalar function arguments.

fields_with_aggregate_udfDeprecated

Performs type coercion for aggregate function arguments.

fields_with_udf

Performs type coercion for UDF arguments.

fields_with_window_udfDeprecated

Performs type coercion for window function arguments.