From d54af34288f8ec3187c3019360509b6e88282c4a Mon Sep 17 00:00:00 2001
From: "Sascha L. Teichmann" <sascha.teichmann@intevation.de>
Date: Mon, 11 Aug 2014 15:13:18 +0200
Subject: [PATCH] LevelDB: Seeked to start to get all the keys in HKEYS
 command.

---
 leveldb.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/leveldb.go b/leveldb.go
index 6268d87..58124d7 100644
--- a/leveldb.go
+++ b/leveldb.go
@@ -158,13 +158,14 @@ func (ldbs *LevelDBSession) AllKeys(hash []byte) (keys chan []byte, n int, err e
 	ro.SetFillCache(false)
 
 	it := ldbs.backend.db.NewIterator(ro)
+	it.SeekToFirst()
 	for ; it.Valid(); it.Next() {
 		n++
 	}
 
 	if err = it.GetError(); err != nil {
-		ro.Close()
 		it.Close()
+		ro.Close()
 		ldbs.backend.mutex.RUnlock()
 		return
 	}
@@ -178,6 +179,7 @@ func (ldbs *LevelDBSession) AllKeys(hash []byte) (keys chan []byte, n int, err e
 		defer close(keys)
 		it := ldbs.backend.db.NewIterator(ro)
 		defer it.Close()
+		it.SeekToFirst()
 		for ; it.Valid(); it.Next() {
 			keys <- it.Key()
 		}