Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/flagged-respawn/lib/respawn.js b/node_modules/flagged-respawn/lib/respawn.js
new file mode 100644
index 0000000..c7e40fe
--- /dev/null
+++ b/node_modules/flagged-respawn/lib/respawn.js
@@ -0,0 +1,16 @@
+var spawn = require('child_process').spawn;
+
+module.exports = function(argv) {
+  var child = spawn(argv[0], argv.slice(1), { stdio: 'inherit' });
+  child.on('exit', function(code, signal) {
+    process.on('exit', function() {
+      /* istanbul ignore if */
+      if (signal) {
+        process.kill(process.pid, signal);
+      } else {
+        process.exit(code);
+      }
+    });
+  });
+  return child;
+};