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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
use std::os::raw::c_int;
use crate::ffi;
use crate::{Connection, Result};
#[repr(i32)]
#[allow(non_snake_case, non_camel_case_types)]
#[non_exhaustive]
pub enum DbConfig {
SQLITE_DBCONFIG_ENABLE_FKEY = 1002,
SQLITE_DBCONFIG_ENABLE_TRIGGER = 1003,
SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER = 1004,
SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE = 1006,
SQLITE_DBCONFIG_ENABLE_QPSG = 1007,
SQLITE_DBCONFIG_TRIGGER_EQP = 1008,
SQLITE_DBCONFIG_DEFENSIVE = 1010,
#[cfg(feature = "modern_sqlite")]
SQLITE_DBCONFIG_WRITABLE_SCHEMA = 1011,
#[cfg(feature = "modern_sqlite")]
SQLITE_DBCONFIG_LEGACY_ALTER_TABLE = 1012,
#[cfg(feature = "modern_sqlite")]
SQLITE_DBCONFIG_DQS_DML = 1013,
#[cfg(feature = "modern_sqlite")]
SQLITE_DBCONFIG_DQS_DDL = 1014,
#[cfg(feature = "modern_sqlite")]
SQLITE_DBCONFIG_ENABLE_VIEW = 1015,
#[cfg(feature = "modern_sqlite")]
SQLITE_DBCONFIG_LEGACY_FILE_FORMAT = 1016,
#[cfg(feature = "modern_sqlite")]
SQLITE_DBCONFIG_TRUSTED_SCHEMA = 1017,
}
impl Connection {
pub fn db_config(&self, config: DbConfig) -> Result<bool> {
let c = self.db.borrow();
unsafe {
let mut val = 0;
check!(ffi::sqlite3_db_config(
c.db(),
config as c_int,
-1,
&mut val
));
Ok(val != 0)
}
}
pub fn set_db_config(&self, config: DbConfig, new_val: bool) -> Result<bool> {
let c = self.db.borrow_mut();
unsafe {
let mut val = 0;
check!(ffi::sqlite3_db_config(
c.db(),
config as c_int,
if new_val { 1 } else { 0 },
&mut val
));
Ok(val != 0)
}
}
}
#[cfg(test)]
mod test {
use super::DbConfig;
use crate::Connection;
#[test]
fn test_db_config() {
let db = Connection::open_in_memory().unwrap();
let opposite = !db.db_config(DbConfig::SQLITE_DBCONFIG_ENABLE_FKEY).unwrap();
assert_eq!(
db.set_db_config(DbConfig::SQLITE_DBCONFIG_ENABLE_FKEY, opposite),
Ok(opposite)
);
assert_eq!(
db.db_config(DbConfig::SQLITE_DBCONFIG_ENABLE_FKEY),
Ok(opposite)
);
let opposite = !db
.db_config(DbConfig::SQLITE_DBCONFIG_ENABLE_TRIGGER)
.unwrap();
assert_eq!(
db.set_db_config(DbConfig::SQLITE_DBCONFIG_ENABLE_TRIGGER, opposite),
Ok(opposite)
);
assert_eq!(
db.db_config(DbConfig::SQLITE_DBCONFIG_ENABLE_TRIGGER),
Ok(opposite)
);
}
}