From ff5b8f7a9be79ae73ec8f19d467f859363a08a69 Mon Sep 17 00:00:00 2001
From: Young Hahn <young@developmentseed.org>
Date: Mon, 30 Apr 2012 13:06:46 -0400
Subject: [PATCH] Run clearCaches synchronously to prevent _commit from
 erroring out when called prior to startWriting completing.

---
 lib/mbtiles.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mbtiles.js b/lib/mbtiles.js
index 9a127a1..e5f7495 100644
--- a/lib/mbtiles.js
+++ b/lib/mbtiles.js
@@ -398,6 +398,7 @@ MBTiles.prototype.startWriting = function(callback) {
     if (!this.open) return callback(new Error('MBTiles not yet loaded'));
 
     var mbtiles = this;
+    mbtiles._clearCaches();
     Step(function() {
         mbtiles._setup(this);
     }, function(err) {
@@ -406,7 +407,6 @@ MBTiles.prototype.startWriting = function(callback) {
         // See http://www.sqlite3.org/pragma.html#pragma_synchronous
         if (!mbtiles._isWritable) {
             mbtiles._isWritable = 1;
-            mbtiles._clearCaches();
             mbtiles._db.run('PRAGMA synchronous=OFF', this);
         } else {
             mbtiles._isWritable++;