fixed issue 301

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_lsm_stabilization@1509 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
index 17cfc9a..ad106fe 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
@@ -258,12 +258,6 @@
             return null;
         }
 
-        if (!MetadataConstants.METADATA_DATAVERSE_NAME.equals(dataverseName) && ctx.getDataverse(dataverseName) != null) {
-            // This transaction has dropped and subsequently created the same
-            // dataverse.
-            return null;
-        }
-
         dataset = cache.getDataset(dataverseName, datasetName);
         if (dataset != null) {
             // Dataset is already in the cache, don't add it again.
@@ -332,12 +326,6 @@
             return null;
         }
 
-        if (!MetadataConstants.METADATA_DATAVERSE_NAME.equals(dataverseName) && ctx.getDataverse(dataverseName) != null) {
-            // This transaction has dropped and subsequently created the same
-            // dataverse.
-            return null;
-        }
-
         datatype = cache.getDatatype(dataverseName, datatypeName);
         if (datatype != null) {
             // Datatype is already in the cache, don't add it again.
@@ -407,14 +395,6 @@
             return null;
         }
 
-        //TODO 
-        //check what this is for?
-        if (!MetadataConstants.METADATA_DATAVERSE_NAME.equals(dataverseName) && ctx.getDataverse(dataverseName) != null) {
-            // This transaction has dropped and subsequently created the same
-            // dataverse.
-            return null;
-        }
-
         index = cache.getIndex(dataverseName, datasetName, indexName);
         if (index != null) {
             // Index is already in the cache, don't add it again.