models_parser/dialect/
mysql.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#[derive(Debug)]
16pub struct MySqlDialect {}
17
18impl Dialect for MySqlDialect {
19    fn is_identifier_start(&self, ch: char) -> bool {
20        // See https://dev.mysql.com/doc/refman/8.0/en/identifiers.html.
21        // We don't yet support identifiers beginning with numbers, as that
22        // makes it hard to distinguish numeric literals.
23        ('a'..='z').contains(&ch)
24            || ('A'..='Z').contains(&ch)
25            || ch == '_'
26            || ch == '$'
27            || ('\u{0080}'..='\u{ffff}').contains(&ch)
28    }
29
30    fn is_identifier_part(&self, ch: char) -> bool {
31        self.is_identifier_start(ch) || ('0'..='9').contains(&ch)
32    }
33
34    fn is_delimited_identifier_start(&self, ch: char) -> bool {
35        ch == '`'
36    }
37}
models_parser/dialect/mysql.rs

models_parser/dialect/
mysql.rs
