sqlparser/dialect/
oracle.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 super::Dialect;
19
20/// A [`Dialect`] for [Oracle Databases](https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf/index.html)
21#[derive(Debug)]
22pub struct OracleDialect;
23
24impl Dialect for OracleDialect {
25    // ~ appears not to be called anywhere
26    fn identifier_quote_style(&self, _identifier: &str) -> Option<char> {
27        Some('"')
28    }
29
30    fn is_delimited_identifier_start(&self, ch: char) -> bool {
31        ch == '"'
32    }
33
34    fn is_identifier_start(&self, ch: char) -> bool {
35        ch.is_alphabetic()
36    }
37
38    fn is_identifier_part(&self, ch: char) -> bool {
39        ch.is_alphanumeric() || ch == '_' || ch == '$' || ch == '#' || ch == '@'
40    }
41
42    fn supports_outer_join_operator(&self) -> bool {
43        true
44    }
45
46    fn supports_connect_by(&self) -> bool {
47        true
48    }
49
50    fn supports_execute_immediate(&self) -> bool {
51        true
52    }
53
54    fn supports_match_recognize(&self) -> bool {
55        true
56    }
57
58    fn supports_window_function_null_treatment_arg(&self) -> bool {
59        true
60    }
61
62    fn supports_boolean_literals(&self) -> bool {
63        false
64    }
65
66    fn supports_comment_on(&self) -> bool {
67        true
68    }
69
70    fn supports_create_table_select(&self) -> bool {
71        true
72    }
73
74    fn supports_set_stmt_without_operator(&self) -> bool {
75        true
76    }
77
78    fn supports_group_by_expr(&self) -> bool {
79        true
80    }
81}
sqlparser/dialect/oracle.rs

sqlparser/dialect/
oracle.rs
