Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/error/validation.js b/node_modules/error/validation.js
new file mode 100644
index 0000000..b20d19e
--- /dev/null
+++ b/node_modules/error/validation.js
@@ -0,0 +1,19 @@
+module.exports = ValidationError
+
+function ValidationError(errors) {
+    var result = new Error()
+
+    Object.defineProperty(result, "type", {
+        value: result.type,
+        enumerable: true,
+        writable: true,
+        configurable: true
+    })
+
+    result.errors = errors
+    result.message = errors[0].message
+    result.type = "ValidationError"
+
+    return result
+}
+