From 928d02df5ce0ba2f57a5de418e39e941183d7e57 Mon Sep 17 00:00:00 2001
From: Jason <jason.barnabe@gmail.com>
Date: Thu, 17 Mar 2016 21:53:30 -0500
Subject: [PATCH] Avoid migrating WebSQL if it didn't exist #167

---
 storage-websql.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/storage-websql.js b/storage-websql.js
index 24765ce5..8531b304 100644
--- a/storage-websql.js
+++ b/storage-websql.js
@@ -31,6 +31,10 @@ var webSqlStorage = {
 
 	getStyles: function(callback) {
 		webSqlStorage.getDatabase(function(db) {
+			if (!db) {
+				callback([]);
+				return;
+			}
 			db.readTransaction(function (t) {
 				var where = "";
 				var params = [];
@@ -92,7 +96,12 @@ var webSqlStorage = {
 			error();
 			throw ex;
 		}
-		if (stylishDb.version == "1.0" || stylishDb.version == "") {
+		if (stylishDb.version == "") {
+			// It didn't already exist, we have nothing to migrate.
+			ready(null);
+			return;
+		}
+		if (stylishDb.version == "1.0") {
 			webSqlStorage.dbV11(stylishDb, error, ready);
 		} else if (stylishDb.version == "1.1") {
 			webSqlStorage.dbV12(stylishDb, error, ready);