 			
 			// Delete the database file.
 			do {
-				try FileManager.default.removeItem(at: _databaseUrl)
+				try FileManager.default.removeItem(at: databaseUrl)
 			} catch {
-				selfLog(.error, "Failed to delete database at '\(_databaseUrl)': \(error)")
+				selfLog(.error, "Failed to delete database at '\(databaseUrl)': \(error)")
 			}
 		}
 		

				return nil
			}
			
			_databaseUrl = databaseUrl
			_databaseName = databaseName
			_asyncQueryQueue.maxConcurrentOperationCount = 1
			
			// Initialize the database, if it doesn't already exist.

		// MARK: - Properties
		
		private let _preparedStatements = NSMutableDictionary()
		
		private var _databaseLock = NSRecursiveLock()
		private var _asyncQueryQueue = OperationQueue()
		private var _backgroundTask = UIBackgroundTaskIdentifier.invalid
		
		private(set) var connected = false
		private(set) var database: Database?
		private(set) var databaseUrl: URL
		private(set) var databaseName: String
		
		
		// MARK: - Inits
