...

src/main.rs

@@ -22,6 +22,10 @@ struct Args {
     /// Enable debug mode
     #[arg(long)]
     debug: bool,
+
+    /// Number of logical databases (SELECT 0..N-1)
+    #[arg(long, default_value_t = 16)]
+    databases: u16,
 }
 
 #[tokio::main]
@@ -41,6 +45,7 @@ async fn main() {
         dir: args.dir,
         port,
         debug: args.debug,
+        databases: args.databases,
     };
 
     // new server