row editing

DBSyn/MySQLProtocol.swift

@@ -422,6 +422,13 @@ final class MySQLWireConnection {
             )
         }
         let plugin = (try? c.nulString()) ?? "mysql_native_password"
+
+        NSLog(
+            "DBSyn MySQL authentication: plugin=%@ saltLength=%d tlsRequired=%@",
+            plugin,
+            salt.count,
+            requireTLS ? "YES" : "NO"
+        )
         if requireTLS {
             let clientSSL = 0x00000800
             guard capabilities & clientSSL != 0 else {
@@ -443,6 +450,13 @@ final class MySQLWireConnection {
         body += Array(plugin.utf8) + [0]
         try send(body)
         var reply = try readPacket()
+
+        NSLog(
+            "DBSyn MySQL initial authentication response: type=0x%02X length=%d",
+            Int(reply.first ?? 0),
+            reply.count
+        )
+
         try checkError(reply)
         var currentPlugin = plugin
         var currentSalt = Array(salt)
@@ -461,6 +475,12 @@ final class MySQLWireConnection {
             guard currentPlugin == "caching_sha2_password", reply.count >= 2 else {
                 throw MySQLWireError(message: "Unsupported authentication continuation")
             }
+            NSLog(
+                "DBSyn MySQL authentication continuation: code=0x%02X TLS=%@",
+                Int(reply[1]),
+                tlsActive ? "YES" : "NO"
+            )
+
             switch reply[1] {
             case 0x03: // Fast authentication accepted; wait for OK.
                 reply = try readPacket()
@@ -496,6 +516,12 @@ final class MySQLWireConnection {
                 throw MySQLWireError(message: "Unsupported caching_sha2_password response: \(reply[1])")
             }
         }
+        NSLog(
+            "DBSyn MySQL final authentication response: type=0x%02X length=%d",
+            Int(reply.first ?? 0),
+            reply.count
+        )
+
         try checkError(reply)
         guard reply.first == 0x00 else { throw MySQLWireError(message: "Authentication did not complete") }
         if !database.isEmpty { _ = try query("USE `\(database.replacingOccurrences(of: "`", with: "``"))`") }