Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/semver-truncate/index.js b/node_modules/semver-truncate/index.js
new file mode 100644
index 0000000..c43c1e7
--- /dev/null
+++ b/node_modules/semver-truncate/index.js
@@ -0,0 +1,28 @@
+'use strict';
+var semver = require('semver');
+
+module.exports = function (version, type) {
+	if (['major', 'minor', 'patch'].indexOf(type) === -1) {
+		throw new TypeError('Invalid version type');
+	}
+
+	version = semver.parse(version, {loose: true});
+
+	if (!version) {
+		throw new Error('Version ' + version + ' is not valid semver');
+	}
+
+	version.build = '';
+	version.prerelease = '';
+
+	if (type === 'minor') {
+		version.patch = 0;
+	}
+
+	if (type === 'major') {
+		version.patch = 0;
+		version.minor = 0;
+	}
+
+	return version.format();
+};