From 26fa56c10c48aca417f70961305c9506a5874acb Mon Sep 17 00:00:00 2001
From: Christoph Thelen <christoph.thelen@mni.thm.de>
Date: Mon, 11 Feb 2013 14:03:06 +0100
Subject: [PATCH] Task #4042: Handle empty answer count
---
src/main/java/de/thm/arsnova/dao/CouchDBDao.java | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/main/java/de/thm/arsnova/dao/CouchDBDao.java b/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
index 3fc04e236..d7ef90a55 100644
--- a/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
+++ b/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
@@ -873,6 +873,9 @@ public class CouchDBDao implements IDatabaseDao {
view.setKey(URLEncoder.encode("\"" + questionId + "\"", "UTF-8"));
view.setGroup(true);
ViewResults results = this.getDatabase().view(view);
+ if (results.getResults().size() == 0) {
+ return 0;
+ }
return results.getJSONArray("rows").optJSONObject(0).optInt("value");
} catch (UnsupportedEncodingException e) {
LOGGER.error("Error while retrieving answer count", e);
--
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