[doris] branch master updated: [enhancement](merge-on-write) Avoiding unnecessary primary key index traversal (#19746)

[yi...@apache.org]

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yiguolei pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/doris.git


The following commit(s) were added to refs/heads/master by this push:
     new 6a6be52bc9 [enhancement](merge-on-write) Avoiding unnecessary primary key index traversal (#19746)
6a6be52bc9 is described below

commit 6a6be52bc9272bbfb1bbff46f919da333dd2f27a
Author: Xin Liao <li...@126.com>
AuthorDate: Thu May 18 08:41:49 2023 +0800

    [enhancement](merge-on-write) Avoiding unnecessary primary key index traversal (#19746)
---
 be/src/olap/tablet.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/be/src/olap/tablet.cpp b/be/src/olap/tablet.cpp
index 4ad0c64b66..680686d850 100644
--- a/be/src/olap/tablet.cpp
+++ b/be/src/olap/tablet.cpp
@@ -3004,8 +3004,10 @@ Status Tablet::update_delete_bitmap(const RowsetSharedPtr& rowset, const TabletT
         delete_bitmap->remove({to_del, 0, 0}, {to_del, UINT32_MAX, INT64_MAX});
     }
 
-    RETURN_IF_ERROR(calc_delete_bitmap(rowset, segments, &rowset_ids_to_add, delete_bitmap,
-                                       cur_version - 1, false, rowset_writer));
+    if (!rowset_ids_to_add.empty()) {
+        RETURN_IF_ERROR(calc_delete_bitmap(rowset, segments, &rowset_ids_to_add, delete_bitmap,
+                                           cur_version - 1, false, rowset_writer));
+    }
 
     // update version without write lock, compaction and publish_txn
     // will update delete bitmap, handle compaction with _rowset_update_lock


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