From 9e4e95ce511e008d34cc94cd18bccd804d650e67 Mon Sep 17 00:00:00 2001
From: Richard Newman <rnewman@twinql.com>
Date: Thu, 8 Sep 2016 19:01:22 -0700
Subject: [PATCH] Default SQLite's user_version to zero.

I saw nil here with Sqlite.jsm.
---
 src/datomish/sqlite.cljc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/datomish/sqlite.cljc b/src/datomish/sqlite.cljc
index 68f45762..6fcf6639 100644
--- a/src/datomish/sqlite.cljc
+++ b/src/datomish/sqlite.cljc
@@ -101,7 +101,9 @@
 (defn get-user-version [db]
   (go-pair
     (let [row (first (<? (all-rows db ["PRAGMA user_version"])))]
-      (:user_version row))))
+      (or
+        (:user_version row)
+        0))))
 
 (defn set-user-version [db version]
   (execute! db [(str "PRAGMA user_version = " version)]))