From 120531ed782df218c4d2c5856386c26e93739503 Mon Sep 17 00:00:00 2001
From: "Sascha L. Teichmann" <sascha.teichmann@intevation.de>
Date: Mon, 11 Aug 2014 17:07:23 +0200
Subject: [PATCH] LevelDB backend: Recycle iterator in all keys fetch.

---
 leveldb.go | 2 --
 1 file changed, 2 deletions(-)

diff --git a/leveldb.go b/leveldb.go
index 58124d7..64cf1d5 100644
--- a/leveldb.go
+++ b/leveldb.go
@@ -169,7 +169,6 @@ func (ldbs *LevelDBSession) AllKeys(hash []byte) (keys chan []byte, n int, err e
 		ldbs.backend.mutex.RUnlock()
 		return
 	}
-	it.Close()
 
 	keys = make(chan []byte)
 
@@ -177,7 +176,6 @@ func (ldbs *LevelDBSession) AllKeys(hash []byte) (keys chan []byte, n int, err e
 		ldbs.backend.mutex.RUnlock()
 		defer ro.Close()
 		defer close(keys)
-		it := ldbs.backend.db.NewIterator(ro)
 		defer it.Close()
 		it.SeekToFirst()
 		for ; it.Valid(); it.Next() {