sqlparser/dialect/
generic.rs

1// Licensed under the Apache License, Version 2.0 (the "License");
2// you may not use this file except in compliance with the License.
3// You may obtain a copy of the License at
4//
5// http://www.apache.org/licenses/LICENSE-2.0
6//
7// Unless required by applicable law or agreed to in writing, software
8// distributed under the License is distributed on an "AS IS" BASIS,
9// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10// See the License for the specific language governing permissions and
11// limitations under the License.
12
13use crate::dialect::Dialect;
14
15/// A permissive, general purpose [`Dialect`], which parses a wide variety of SQL
16/// statements, from many different dialects.
17#[derive(Debug, Default)]
18pub struct GenericDialect;
19
20impl Dialect for GenericDialect {
21    fn is_delimited_identifier_start(&self, ch: char) -> bool {
22        ch == '"' || ch == '`'
23    }
24
25    fn is_identifier_start(&self, ch: char) -> bool {
26        ch.is_alphabetic() || ch == '_' || ch == '#' || ch == '@'
27    }
28
29    fn is_identifier_part(&self, ch: char) -> bool {
30        ch.is_alphabetic()
31            || ch.is_ascii_digit()
32            || ch == '@'
33            || ch == '$'
34            || ch == '#'
35            || ch == '_'
36    }
37
38    fn supports_group_by_expr(&self) -> bool {
39        true
40    }
41}
sqlparser/dialect/generic.rs

sqlparser/dialect/
generic.rs
