QGXFp6w6

1extern crate rusqlite;
2
3
4fn main()
5{
6	let mut threads = vec!();
7	for th in 0..300
8	{
9		let name = format!("{}.db", th);
10		let t = std::thread::spawn(
11			move ||
12			{
13				for _ in 0..100
14				{
15					let conn = rusqlite::Connection::open_with_flags(
16						&name,
17						rusqlite::OpenFlags::SQLITE_OPEN_NO_MUTEX
18							| rusqlite::OpenFlags::SQLITE_OPEN_READ_WRITE
19							| rusqlite::OpenFlags::SQLITE_OPEN_CREATE
20					).expect(&format!("open sqlite db ({})", name));
21					conn.execute_batch(
22						"
23						PRAGMA journal_mode = WAL;
24						CREATE TABLE IF NOT EXISTS data (key primary key not null, data not null);
25						"
26					).unwrap();
27				}
28			}
29		);
30		threads.push(t);
31	}
32
33	for th in threads
34	{
35		th.join();
36	}
37}