sqlparser/dialect/
ansi.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 crate::dialect::Dialect;
19
20/// A [`Dialect`] for [ANSI SQL](https://en.wikipedia.org/wiki/SQL:2011).
21#[derive(Debug)]
22pub struct AnsiDialect {}
23
24impl Dialect for AnsiDialect {
25    fn is_identifier_start(&self, ch: char) -> bool {
26        ch.is_ascii_lowercase() || ch.is_ascii_uppercase()
27    }
28
29    fn is_identifier_part(&self, ch: char) -> bool {
30        ch.is_ascii_lowercase() || ch.is_ascii_uppercase() || ch.is_ascii_digit() || ch == '_'
31    }
32
33    fn require_interval_qualifier(&self) -> bool {
34        true
35    }
36}
sqlparser/dialect/ansi.rs

sqlparser/dialect/
ansi.rs
