1 files changed, 8 insertions, 2 deletions
diff --git a/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/ArrayRecordStore.java b/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/ArrayRecordStore.java
index 62f07448..deb949ff 100644
--- a/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/ArrayRecordStore.java
+++ b/elki/src/main/java/de/lmu/ifi/dbs/elki/database/datastore/memory/ArrayRecordStore.java
@@ -32,6 +32,7 @@ import de.lmu.ifi.dbs.elki.database.ids.DBIDRef;
  * A class to answer representation queries using the stored Array.
  * 
  * @author Erich Schubert
+ * @since 0.4.0
  * 
  * @apiviz.composedOf DataStoreIDMap
  * @apiviz.has ArrayRecordStore.StorageAccessor oneway - - projectsTo
@@ -128,12 +129,17 @@ public class ArrayRecordStore implements WritableRecordStore {
 
     @Override
     public void destroy() {
-      throw new UnsupportedOperationException("ArrayStore record columns cannot be destroyed.");
+      throw new UnsupportedOperationException("ArrayStore record columns cannot (yet) be destroyed.");
     }
 
     @Override
     public void delete(DBIDRef id) {
-      throw new UnsupportedOperationException("ArrayStore record values cannot be deleted.");
+      put(id, null);
+    }
+
+    @Override
+    public void clear() {
+      throw new UnsupportedOperationException("ArrayStore record columns cannot (yet) be cleared.");
     }
 
     @Override