Fix the transaction type of the feeds.
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
index e931271..8aba12a 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
@@ -1268,6 +1268,7 @@
         acquireReadLatch();
 
         try {
+            metadataProvider.setWriteTransaction(true);
             BeginFeedStatement bfs = (BeginFeedStatement) stmt;
             String dataverseName = getActiveDataverseName(bfs.getDataverseName());