sqlparser 0.51.0

Extensible SQL Lexer and Parser with support for ANSI SQL:2011
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crate::dialect::Dialect;

/// A permissive, general purpose [`Dialect`], which parses a wide variety of SQL
/// statements, from many different dialects.
#[derive(Debug, Default)]
pub struct GenericDialect;

impl Dialect for GenericDialect {
    fn is_delimited_identifier_start(&self, ch: char) -> bool {
        ch == '"' || ch == '`'
    }

    fn is_identifier_start(&self, ch: char) -> bool {
        ch.is_alphabetic() || ch == '_' || ch == '#' || ch == '@'
    }

    fn is_identifier_part(&self, ch: char) -> bool {
        ch.is_alphabetic()
            || ch.is_ascii_digit()
            || ch == '@'
            || ch == '$'
            || ch == '#'
            || ch == '_'
    }

    fn supports_unicode_string_literal(&self) -> bool {
        true
    }

    fn supports_group_by_expr(&self) -> bool {
        true
    }

    fn supports_connect_by(&self) -> bool {
        true
    }

    fn supports_match_recognize(&self) -> bool {
        true
    }

    fn supports_start_transaction_modifier(&self) -> bool {
        true
    }

    fn supports_window_function_null_treatment_arg(&self) -> bool {
        true
    }

    fn supports_dictionary_syntax(&self) -> bool {
        true
    }

    fn supports_window_clause_named_window_reference(&self) -> bool {
        true
    }

    fn supports_parenthesized_set_variables(&self) -> bool {
        true
    }

    fn supports_select_wildcard_except(&self) -> bool {
        true
    }

    fn support_map_literal_syntax(&self) -> bool {
        true
    }

    fn allow_extract_custom(&self) -> bool {
        true
    }

    fn allow_extract_single_quotes(&self) -> bool {
        true
    }

    fn supports_create_index_with_clause(&self) -> bool {
        true
    }
}