From c0ed6d34eca73827ce0327be42d2a0ef74e59868 Mon Sep 17 00:00:00 2001
From: Will White <will@developmentseed.org>
Date: Thu, 23 Jun 2011 13:43:05 -0400
Subject: [PATCH] Return proper "not found" error when utfgrid tables are
 missing.

---
 lib/mbtiles.js                |   2 +-
 test/fixtures/plain_1.mbtiles | Bin 561152 -> 561152 bytes
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mbtiles.js b/lib/mbtiles.js
index 7039fc5..f29ad34 100644
--- a/lib/mbtiles.js
+++ b/lib/mbtiles.js
@@ -240,8 +240,8 @@ MBTiles.prototype.grid = function(x, y, z, callback) {
             );
         },
         function(err, row, rows) {
+            if ((!row || !row.grid) || (err && err.errno == 1)) return callback('Grid does not exist');
             if (err) return callback(err);
-            if (!row || !row.grid) return callback('Grid does not exist');
 
             try {
                 var grid = zlib.inflate(
diff --git a/test/fixtures/plain_1.mbtiles b/test/fixtures/plain_1.mbtiles
index 8134d91c4f62e11aee7b7f43c2705d5ed02f6b79..2ca86459d6e12d3d3a52ca2b913f612c5918a89e 100644
GIT binary patch
delta 262
zcmZozpwzHHX@az18v_HA3IhW}0ub{8vDic%W1yh!BUx4;kCFK|kYwQ9SkTGL$h!F#
zGrNW)qYwiNLo)+IGm{}x2h&~Vl`uH5E@g6^&J-4A2S)kHlFSh-j7J&5Cm&)828uA`
zY(A-5&d35Z?7+l(sUSLh@>=~6UZ$rE%#7{~jP8t68E;MIGdRTp6v^Lw$AFUwsEARz
z`K8hJmqv_oo`yU?mx=)Oy#Wfh1KFZLEC$5NKrv1rW(HzzAO^Xc3y4|TEovBnm<foP
Uff&SR1!6WJX5Vg6!*N0w09~dz_5c6?

delta 242
zcmZozpwzHHX@az1BLf4I3IhW}0uZwSvEW1<W1yh!BUx4;kBRvkh*aKK(8<imyZIM0
zyM`oCfRmw_fuWgEh%t}xD3c*m2h&|<2j-O%>ry7y=}eg{${aI!A5-|`Ag0{SMtXdV
z6K`csme&dA;|1zuWw^n>aD&mEaq46~gHtTIT<qeT?-+10u{25Wu{Xao+WyjrQO?s4
zXg8AxQ284M2F7+ETNH@JAYx3yKw1chK{QYeM6TVUh7pLFfS4JGS%8=oh}nRceY-^s
H#|dEob_z8C