models_parser/dialect/
postgresql.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 PostgreSqlDialect {}
17
18impl Dialect for PostgreSqlDialect {
19    fn is_identifier_start(&self, ch: char) -> bool {
20        // See https://www.postgresql.org/docs/11/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS
21        // We don't yet support identifiers beginning with "letters with
22        // diacritical marks and non-Latin letters"
23        ('a'..='z').contains(&ch) || ('A'..='Z').contains(&ch) || ch == '_'
24    }
25
26    fn is_identifier_part(&self, ch: char) -> bool {
27        ('a'..='z').contains(&ch)
28            || ('A'..='Z').contains(&ch)
29            || ('0'..='9').contains(&ch)
30            || ch == '$'
31            || ch == '_'
32    }
33}
models_parser/dialect/postgresql.rs

models_parser/dialect/
postgresql.rs
