Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/pify/index.js b/node_modules/pify/index.js
new file mode 100644
index 0000000..df56221
--- /dev/null
+++ b/node_modules/pify/index.js
@@ -0,0 +1,68 @@
+'use strict';
+
+const processFn = (fn, options) => function (...args) {
+	const P = options.promiseModule;
+
+	return new P((resolve, reject) => {
+		if (options.multiArgs) {
+			args.push((...result) => {
+				if (options.errorFirst) {
+					if (result[0]) {
+						reject(result);
+					} else {
+						result.shift();
+						resolve(result);
+					}
+				} else {
+					resolve(result);
+				}
+			});
+		} else if (options.errorFirst) {
+			args.push((error, result) => {
+				if (error) {
+					reject(error);
+				} else {
+					resolve(result);
+				}
+			});
+		} else {
+			args.push(resolve);
+		}
+
+		fn.apply(this, args);
+	});
+};
+
+module.exports = (input, options) => {
+	options = Object.assign({
+		exclude: [/.+(Sync|Stream)$/],
+		errorFirst: true,
+		promiseModule: Promise
+	}, options);
+
+	const objType = typeof input;
+	if (!(input !== null && (objType === 'object' || objType === 'function'))) {
+		throw new TypeError(`Expected \`input\` to be a \`Function\` or \`Object\`, got \`${input === null ? 'null' : objType}\``);
+	}
+
+	const filter = key => {
+		const match = pattern => typeof pattern === 'string' ? key === pattern : pattern.test(key);
+		return options.include ? options.include.some(match) : !options.exclude.some(match);
+	};
+
+	let ret;
+	if (objType === 'function') {
+		ret = function (...args) {
+			return options.excludeMain ? input(...args) : processFn(input, options).apply(this, args);
+		};
+	} else {
+		ret = Object.create(Object.getPrototypeOf(input));
+	}
+
+	for (const key in input) { // eslint-disable-line guard-for-in
+		const property = input[key];
+		ret[key] = typeof property === 'function' && filter(key) ? processFn(property, options) : property;
+	}
+
+	return ret;
+};