parser/
parser.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use promql_parser::parser;
16
17fn main() {
18    let promql = r#"
19        http_requests_total{
20            environment=~"staging|testing|development",
21            method!="GET"
22        } offset 5m
23    "#;
24
25    match parser::parse(promql) {
26        Ok(expr) => {
27            println!("Prettify:\n{}\n", expr.prettify());
28            println!("AST:\n{expr:?}");
29        }
30        Err(info) => println!("Err: {info:?}"),
31    }
32}
parser/parser.rs

parser/
parser.rs
