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datafusion_ffi/tests/
config.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use datafusion_common::config::ConfigExtension;
19use datafusion_common::extensions_options;
20
21use crate::config::extension_options::FFI_ExtensionOptions;
22
23extensions_options! {
24   pub struct ExternalConfig {
25       /// Should "foo" be replaced by "bar"?
26       pub is_enabled: bool, default = true
27
28       /// Some value to be extracted
29       pub base_number: usize, default = 1000
30   }
31}
32
33impl PartialEq for ExternalConfig {
34    fn eq(&self, other: &Self) -> bool {
35        self.base_number == other.base_number && self.is_enabled == other.is_enabled
36    }
37}
38impl Eq for ExternalConfig {}
39
40impl ConfigExtension for ExternalConfig {
41    const PREFIX: &'static str = "external_config";
42}
43
44pub(crate) extern "C" fn create_extension_options() -> FFI_ExtensionOptions {
45    let mut extensions = FFI_ExtensionOptions::default();
46    extensions
47        .add_config(&ExternalConfig::default())
48        .expect("add_config should be infallible for ExternalConfig");
49
50    extensions
51}