promql_parser/util/
mod.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
15//! Internal utilities for parser.
16
17pub mod duration;
18pub mod number;
19mod visitor;
20
21pub use duration::{display_duration, parse_duration};
22pub use number::parse_str_radix;
23pub use visitor::{walk_expr, ExprVisitor};
24
25pub(crate) fn join_vector<T: std::fmt::Display>(v: &[T], sep: &str, sort: bool) -> String {
26    let mut vs = v.iter().map(|x| x.to_string()).collect::<Vec<String>>();
27    if sort {
28        vs.sort();
29    }
30    vs.join(sep)
31}