Function datafusion::logical_expr::type_coercion::other::get_coerce_type_for_case_expression

pub fn get_coerce_type_for_case_expression(
    when_or_then_types: &[DataType],
    case_or_else_type: Option<&DataType>
) -> Option<DataType>

Find a common coerceable type for all when_or_then_types as well and the case_or_else_type, if specified. Returns the common data type for when_or_then_types and case_or_else_type