datafusion_materialized_views/
rewrite.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::extensions_options, config::ConfigExtension};
19
20/// Implements a query rewriting optimizer, also known as "view exploitation"
21/// in some academic sources.
22pub mod exploitation;
23
24pub mod normal_form;
25
26mod util;
27
28extensions_options! {
29    /// Options for the query rewriting optimizer
30    pub struct QueryRewriteOptions {
31        /// Toggle query rewriting on or off
32        pub enabled: bool, default = true
33    }
34}
35
36impl ConfigExtension for QueryRewriteOptions {
37    const PREFIX: &'static str = "QueryRewrite";
38}
datafusion_materialized_views/rewrite.rs

datafusion_materialized_views/
rewrite.rs
