diff --git a/web/pgadmin/static/js/is_native.js b/web/pgadmin/static/js/is_native.js
new file mode 100644
index 000000000..3adc516ca
--- /dev/null
+++ b/web/pgadmin/static/js/is_native.js
@@ -0,0 +1,42 @@
+/* Code to check if the object or function is native JS
+ * Author: John-David Dalton
+ */
+(function() {
+
+  // Used to resolve the internal `[[Class]]` of values
+  var toString = Object.prototype.toString;
+
+  // Used to resolve the decompiled source of functions
+  var fnToString = Function.prototype.toString;
+
+  // Used to detect host constructors (Safari > 4; really typed array specific)
+  var reHostCtor = /^\[object .+?Constructor\]$/;
+
+  // Compile a regexp using a common native method as a template.
+  // We chose `Object#toString` because there's a good chance it is not being mucked with.
+  var reNative = RegExp('^' +
+    // Coerce `Object#toString` to a string
+    String(toString)
+    // Escape any special regexp characters
+      .replace(/[.*+?^${}()|[\]\/\\]/g, '\\$&')
+    // Replace mentions of `toString` with `.*?` to keep the template generic.
+    // Replace thing like `for ...` to support environments like Rhino which add extra info
+    // such as method arity.
+      .replace(/toString|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+  );
+
+  function isNative(value) {
+    var type = typeof value;
+    return type == 'function'
+      // Use `Function#toString` to bypass the value's own `toString` method
+      // and avoid being faked out.
+      ? reNative.test(fnToString.call(value))
+      // Fallback to a host object check because some environments will represent
+      // things like typed arrays as DOM methods which may not conform to the
+      // normal native pattern.
+      : (value && type == 'object' && reHostCtor.test(toString.call(value))) || false;
+  }
+
+  // export however you want
+  module.exports = isNative;
+}());
diff --git a/web/pgadmin/tools/sqleditor/static/js/sqleditor.js b/web/pgadmin/tools/sqleditor/static/js/sqleditor.js
index a0724ff9e..c19cfcda0 100644
--- a/web/pgadmin/tools/sqleditor/static/js/sqleditor.js
+++ b/web/pgadmin/tools/sqleditor/static/js/sqleditor.js
@@ -40,6 +40,7 @@ define('tools.querytool', [
   'sources/csrf',
   'tools/datagrid/static/js/datagrid_panel_title',
   'sources/window',
+  'sources/is_native',
   'sources/../bundle/slickgrid',
   'pgadmin.file_manager',
   'slick.pgadmin.formatters',
@@ -54,7 +55,7 @@ define('tools.querytool', [
   GeometryViewer, historyColl, queryHist, querySources,
   keyboardShortcuts, queryToolActions, queryToolNotifications, Datagrid,
   modifyAnimation, calculateQueryRunTime, callRenderAfterPoll, queryToolPref, queryTxnStatus, csrfToken, panelTitleFunc,
-  pgWindow) {
+  pgWindow, isNative) {
   /* Return back, this has been called more than once */
   if (pgAdmin.SqlEditor)
     return pgAdmin.SqlEditor;
@@ -789,10 +790,14 @@ define('tools.querytool', [
         c.display_name = _.escape(c.display_name);
         c.column_type = _.escape(c.column_type);
 
+        // If the keys have name from existing JS keywords then it may
+        // create problem. eg - contructor, hasOwnProperty.
+        // nonative_field is field with extra double quotes
         var options = {
           id:  _.escape(c.name),
           pos: c.pos,
           field: c.name,
+          nonative_field: `"${c.name}"`,
           name: c.label,
           display_name: c.display_name,
           column_type: c.column_type,
@@ -809,11 +814,11 @@ define('tools.querytool', [
         var column_type = c.column_type.trim();
         var label = c.name.length > column_type.length ? _.escape(c.display_name) : column_type;
 
-        if (_.isUndefined(column_size[table_name][c.name])) {
+        if (_.isUndefined(column_size[table_name][options.nonative_field])) {
           options['width'] = SqlEditorUtils.calculateColumnWidth(label);
-          column_size[table_name][c.name] = options['width'];
+          column_size[table_name][c.nonative_field] = options['width'];
         } else {
-          options['width'] = column_size[table_name][c.name];
+          options['width'] = column_size[table_name][options.nonative_field];
         }
         // If grid is editable then add editor else make it readonly
         if (c.cell == 'oid' && c.name == 'oid') {
@@ -999,7 +1004,7 @@ define('tools.querytool', [
         var cols = this.getColumns();
         _.each(cols, function(col) {
           var col_size = self.handler['col_size'];
-          col_size[self.handler['table_name']][col['id']] = col['width'];
+          col_size[self.handler['table_name']][col['nonative_field']] = col['width'];
         });
       }.bind(grid));
 
@@ -1191,6 +1196,13 @@ define('tools.querytool', [
           item_current[self.client_primary_key] = _key;
         }
 
+        // When adding new rows, mark all native JS keywords undefined if not already set
+        _.each(args.grid.getColumns(), function(col){
+          if(isNative(item_current[col.field])) {
+            item_current[col.field] = undefined;
+          }
+        });
+
         data_view.addItem(item_current);
         self.handler.data_store.added[_key] = {
           'err': false,