chore(mysl2): fix last commit

Author: david-luna

lib/instrumentation/modules/mysql2.js

@@ -31,13 +31,14 @@ module.exports = function (mysql2, agent, { version, enabled }) {
   // but is not in the public API so we need to extract it via prototype chain
   // ref: https://github.com/sidorares/node-mysql2/pull/3081
   const baseClass = Object.getPrototypeOf(mysql2.Connection);
-  const hasQuery = typeof baseClass.prototype?.query === 'function';
-  const hasExec = typeof baseClass.prototype?.exec === 'function';
+  const baseProto = baseClass.prototype;
+  const hasQuery = typeof baseProto?.query === 'function';
+  const hasExec = typeof baseProto?.execute === 'function';
   const shouldPatchBase = hasQuery && hasExec;
 
   if (shouldPatchBase) {
-    shimmer.wrap(baseClass.prototype, 'query', wrapQuery);
-    shimmer.wrap(baseClass.prototype, 'execute', wrapQuery);
+    shimmer.wrap(baseProto, 'query', wrapQuery);
+    shimmer.wrap(baseProto, 'execute', wrapQuery);
   } else {
     shimmer.wrap(mysql2.Connection.prototype, 'query', wrapQuery);
     shimmer.wrap(mysql2.Connection.prototype, 'execute', wrapQuery);