Looks like minor error, forgot to pass along parameter.

nicholi · nicholi · commit d9cce3ab6e7a · 2017-05-02T19:43:37.000-07:00
diff --git a/src/MySqlConnector/MySqlClient/MySqlConnection.cs b/src/MySqlConnector/MySqlClient/MySqlConnection.cs
@@ -112,7 +112,7 @@ internal void UnenlistTransaction(MySqlXaTransaction xaTransaction)
 
 		public override void ChangeDatabase(string databaseName) => ChangeDatabaseAsync(IOBehavior.Synchronous, databaseName, CancellationToken.None).GetAwaiter().GetResult();
 		public Task ChangeDatabaseAsync(string databaseName) => ChangeDatabaseAsync(IOBehavior.Asynchronous, databaseName, CancellationToken.None);
-		public Task ChangeDatabaseAsync(string databaseName, CancellationToken cancellationToken) => ChangeDatabaseAsync(IOBehavior.Asynchronous, databaseName, CancellationToken.None);
+		public Task ChangeDatabaseAsync(string databaseName, CancellationToken cancellationToken) => ChangeDatabaseAsync(IOBehavior.Asynchronous, databaseName, cancellationToken);
 
 		private async Task ChangeDatabaseAsync(IOBehavior ioBehavior, string databaseName, CancellationToken cancellationToken)
 		{

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,7 @@ internal void UnenlistTransaction(MySqlXaTransaction xaTransaction)`
`112`	`112`
`113`	`113`	`public override void ChangeDatabase(string databaseName) => ChangeDatabaseAsync(IOBehavior.Synchronous, databaseName, CancellationToken.None).GetAwaiter().GetResult();`
`114`	`114`	`public Task ChangeDatabaseAsync(string databaseName) => ChangeDatabaseAsync(IOBehavior.Asynchronous, databaseName, CancellationToken.None);`
`115`		`- public Task ChangeDatabaseAsync(string databaseName, CancellationToken cancellationToken) => ChangeDatabaseAsync(IOBehavior.Asynchronous, databaseName, CancellationToken.None);`
	`115`	`+ public Task ChangeDatabaseAsync(string databaseName, CancellationToken cancellationToken) => ChangeDatabaseAsync(IOBehavior.Asynchronous, databaseName, cancellationToken);`
`116`	`116`
`117`	`117`	`private async Task ChangeDatabaseAsync(IOBehavior ioBehavior, string databaseName, CancellationToken cancellationToken)`
`118`	`118`	`{`