async fn handle_alter_table_task(
ddl_manager: &DdlManager,
cluster_id: ClusterId,
alter_table_task: AlterTableTask,
) -> Result<SubmitDdlTaskResponse>
async fn handle_alter_table_task(
ddl_manager: &DdlManager,
cluster_id: ClusterId,
alter_table_task: AlterTableTask,
) -> Result<SubmitDdlTaskResponse>