surrealdb-sql 1.1.0

Full type definitions for the SurrealQL query language
Documentation 
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#[tokio::test]
#[serial]
async fn snapshot() {
	// Create a new datastore
	let node_id = Uuid::parse_str("056804f2-b379-4397-9ceb-af8ebd527beb").unwrap();
	let clock = Arc::new(RwLock::new(SizedClock::Fake(FakeClock::new(Timestamp::default()))));
	let (ds, _) = new_ds(node_id, clock).await;
	// Insert an initial key
	let mut tx = ds.transaction(Write, Optimistic).await.unwrap();
	tx.set("test", "some text").await.unwrap();
	tx.commit().await.unwrap();
	// Create a readonly transaction
	let mut tx1 = ds.transaction(Read, Optimistic).await.unwrap();
	// Check that the key was inserted ok
	let val = tx1.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"some text");
	// Create a new writeable transaction
	let mut txw = ds.transaction(Write, Optimistic).await.unwrap();
	// Update the test key content
	txw.set("test", "other text").await.unwrap();
	// Create a readonly transaction
	let mut tx2 = ds.transaction(Read, Optimistic).await.unwrap();
	let val = tx2.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"some text");
	// Create a readonly transaction
	let mut tx3 = ds.transaction(Read, Optimistic).await.unwrap();
	let val = tx3.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"some text");
	// Update the test key content
	txw.set("test", "extra text").await.unwrap();
	// Check the key from the original transaction
	let val = tx1.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"some text");
	// Cancel both readonly transactions
	tx1.cancel().await.unwrap();
	tx2.cancel().await.unwrap();
	tx3.cancel().await.unwrap();
	// Commit the writable transaction
	txw.commit().await.unwrap();
	// Check that the key was updated ok
	let mut tx = ds.transaction(Read, Optimistic).await.unwrap();
	let val = tx.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"extra text");
	tx.cancel().await.unwrap();
}