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garage_db: refactor transactions and add on_commit mechanism

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This commit is contained in:
Alex Auvolat
2023-09-21 15:32:25 +02:00
parent fd7d8fec59
commit f97168f805
14 changed files with 86 additions and 84 deletions
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src/db/test.rs
+4 -4
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@@ -13,26 +13,26 @@ fn test_suite(db: Db) {
assert!(tree.insert(ka, va).unwrap().is_none());
assert_eq!(tree.get(ka).unwrap().unwrap(), va);
let res = db.transaction::<_, (), _>(|mut tx| {
let res = db.transaction::<_, (), _>(|tx| {
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), va);
assert_eq!(tx.insert(&tree, ka, vb).unwrap().unwrap(), va);
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vb);
tx.commit(12)
Ok(12)
});
assert!(matches!(res, Ok(12)));
assert_eq!(tree.get(ka).unwrap().unwrap(), vb);
let res = db.transaction::<(), _, _>(|mut tx| {
let res = db.transaction::<(), _, _>(|tx| {
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vb);
assert_eq!(tx.insert(&tree, ka, vc).unwrap().unwrap(), vb);
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vc);
tx.abort(42)
Err(TxError::Abort(42))
});
assert!(matches!(res, Err(TxError::Abort(42))));
assert_eq!(tree.get(ka).unwrap().unwrap(), vb);