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use std::os::raw::c_int;
use crate::ffi;
use crate::{Connection, Result};
#[repr(i32)]
#[allow(non_snake_case, non_camel_case_types)]
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,
}
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)
);
}
}