Fix a bug when ET locus node is NULL.

HY-UDBMS · Nov 29, 2016 · d2b2c18 · d2b2c18
1 parent f7673f7
commit d2b2c18
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/TopK_ET.java b/src/TopK_ET.java
@@ -42,7 +42,8 @@ public static String[] GetTopK(String prefix, TrieNode root, int k) {
         TrieNode[] locuses = root.FindMuchByString(prefix);
 
         if (locuses == null || locuses.length == 0)
-            root.children.values().forEach(c -> queue.add(new Triplet<>(c, 0, 1)));
+            return new String[0];
+            //root.children.values().forEach(c -> queue.add(new Triplet<>(c, 0, 1)));
         else {
             // we only push the 1st element
             TrieNode locus = locuses[locuses.length - 1];