Internal code improvement

Author: sharadraju

lib/thin/protocol/messages/withData.js

@@ -156,7 +156,6 @@ class MessageWithData extends Message {
     if (statement.numQueryVars > 0) {
       buf.skipUB1();
     }
-    resultSet.metadata = [];
     const metadata = [];
     const queryVars = [];
     for (let i = 0; i < statement.numQueryVars; i++) {
@@ -185,7 +184,7 @@ class MessageWithData extends Message {
      * at end of the DescribeInfo function so that an OutOfPacketsError
      * won't cause partial information state to be stored.
      */
-    resultSet.metadata = metadata;
+    resultSet.metaData = metadata;
     statement.queryVars = queryVars;
     this.resultSetsToSetup.push(resultSet);
   }
@@ -629,7 +628,7 @@ class MessageWithData extends Message {
     }
     await this.connection._populatePartialDbObjectTypes();
     for (const resultSet of this.resultSetsToSetup) {
-      resultSet._setup(this.options, resultSet.metadata);
+      resultSet._setup(this.options, resultSet.metaData);
       // LOBs always require define and they change the type that is actually
       // returned by the server
       for (const variable of resultSet.statement.queryVars) {