Standing-Man commented on code in PR #16937: URL: https://github.com/apache/datafusion/pull/16937#discussion_r2241296292
########## datafusion/spark/src/function/url/parse_url.rs: ########## @@ -0,0 +1,514 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +use std::any::Any; +use std::sync::Arc; + +use arrow::array::{ + Array, ArrayRef, GenericStringBuilder, LargeStringArray, StringArray, StringArrayType, +}; +use arrow::datatypes::DataType; +use datafusion_common::cast::{ + as_large_string_array, as_string_array, as_string_view_array, +}; +use datafusion_common::{exec_datafusion_err, exec_err, plan_err, Result}; +use datafusion_expr::{ + ColumnarValue, ScalarFunctionArgs, ScalarUDFImpl, Signature, TypeSignature, + Volatility, +}; +use datafusion_functions::utils::make_scalar_function; +use url::Url; + +#[derive(Debug)] +pub struct ParseUrl { + signature: Signature, +} + +impl Default for ParseUrl { + fn default() -> Self { + Self::new() + } +} + +impl ParseUrl { + pub fn new() -> Self { + Self { + signature: Signature::one_of( + vec