From 4a95eda9d7aee7f8d371ac3baf07f1ab55d56326 Mon Sep 17 00:00:00 2001
From: Chao Shen <chao.shen@uisee.com>
Date: Tue, 27 Mar 2018 11:33:16 +0800
Subject: [PATCH] Fix lost index update.

---
 src/import_pipeline.cc | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/import_pipeline.cc b/src/import_pipeline.cc
index 90e1ac09..4c0102ba 100644
--- a/src/import_pipeline.cc
+++ b/src/import_pipeline.cc
@@ -548,13 +548,10 @@ bool IndexMergeIndexUpdates() {
   IterationLoop loop;
   while (loop.Next()) {
     optional<Index_OnIndexed> to_join = queue->on_indexed.TryPopBack();
-    if (!to_join) {
-      queue->on_indexed.PushFront(std::move(*root));
-      return did_merge;
-    }
-
+    if (!to_join)
+      break;
     did_merge = true;
-    Timer time;
+    // Timer time;
     root->update.Merge(std::move(to_join->update));
     // time.ResetAndPrint("Joined querydb updates for files: " +
     // StringJoinMap(root->update.files_def_update,
@@ -563,6 +560,7 @@ bool IndexMergeIndexUpdates() {
     //}));
   }
 
+  queue->on_indexed.PushFront(std::move(*root));
   return did_merge;
 }