Cargo.lock

@@ -1060,6 +1060,7 @@ dependencies = [
  "hexdump",
  "log",
  "mktemp",
+ "pretty_env_logger",
  "rusqlite",
  "sled",
 ]

src/db/Cargo.toml

@@ -27,9 +27,10 @@ sled = "0.34"
 
 # cli deps
 clap = { version = "3.1.18", optional = true, features = ["derive", "env"] }
+pretty_env_logger = { version = "0.4", optional = true }
 
 [dev-dependencies]
 mktemp = "0.4"
 
 [features]
-cli = ["clap"]
+cli = ["clap", "pretty_env_logger"]

src/db/bin/convert.rs

@@ -25,6 +25,8 @@ struct Args {
 
 fn main() {
 	let args = Args::parse();
+	pretty_env_logger::init();
+
 	match do_conversion(args) {
 		Ok(()) => println!("Success!"),
 		Err(e) => eprintln!("Error: {}", e),

src/db/lib.rs

@@ -198,16 +198,25 @@ impl Db {
 
 			let ex_tree = other.open_tree(&name)?;
 
-			let mut i = 0;
+			let tx_res = self.transaction(|mut tx| {
-			for item in ex_tree.iter()? {
+				let mut i = 0;
-				let (k, v) = item?;
+				for item in ex_tree.iter()? {
-				tree.insert(k, v)?;
+					let (k, v) = item?;
-				i += 1;
+					tx.insert(&tree, k, v)?;
-				if i % 1000 == 0 {
+					i += 1;
-					println!("{}: imported {}", name, i);
+					if i % 1000 == 0 {
+						println!("{}: imported {}", name, i);
+					}
 				}
-			}
+				Ok::<_, TxError<()>>(i)
-			println!("{}: finished importing, {} items", name, i);
+			});
+			let total = match tx_res {
+				Err(TxError::Db(e)) => return Err(e),
+				Err(TxError::Abort(_)) => unreachable!(),
+				Ok(x) => x,
+			};
+
+			println!("{}: finished importing, {} items", name, total);
 		}
 		Ok(())
 	}

src/db/lmdb_adapter.rs

@@ -230,7 +230,10 @@ impl<'a, 'db> ITx for LmdbTx<'a, 'db> {
 	fn get(&self, tree: usize, key: &[u8]) -> Result<Option<Value<'_>>> {
 		let tree = self.get_tree(tree)?;
 		match tree.get(&self.tx, &key)? {
-			Some(v) => Ok(Some(Value(Box::new(v)))),
+			Some(v) => {
+				let v: &'_ [u8] = v;
+				Ok(Some(v.into()))
+			}
 			None => Ok(None),
 		}
 	}
@@ -372,7 +375,11 @@ where
 		match iter_ref.unwrap().next() {
 			None => None,
 			Some(Err(e)) => Some(Err(e.into())),
-			Some(Ok((k, v))) => Some(Ok((k.into(), v.into()))),
+			Some(Ok((k, v))) => {
+				let k: &'a [u8] = k;
+				let v: &'a [u8] = v;
+				Some(Ok((k.into(), v.into())))
+			}
 		}
 	}
 }

src/db/sqlite_adapter.rs

@@ -97,6 +97,7 @@ impl IDb for SqliteDb {
 		while let Some(row) = rows.next()? {
 			let name = row.get::<_, String>(0)?;
 			let name = name.replace("_COLON_", ":");
+			let name = name.strip_prefix("tree_").unwrap().to_string();
 			trees.push(name);
 		}
 		Ok(trees)