zhannngchen commented on code in PR #11289:
URL: https://github.com/apache/doris/pull/11289#discussion_r932206948


##########
be/src/olap/tablet_meta.cpp:
##########
@@ -734,6 +736,46 @@ Status TabletMeta::set_partition_id(int64_t partition_id) {
     return Status::OK();
 }
 
+// update dst rowset delete bitmap for unique key merge on write table.
+// we take a delete bitmap's snapshot of origin rowset at the beginning

Review Comment:
   改完后又看了一遍,有点啰嗦,精简了一下😂
   We take a delete bitmap's snapshot of origin rowset at the beginning of 
compaction, some keys of origin rowsets might be deleted during compaction, but 
exist in dest rowset. so we need to update the bitmap of dest rowset after 
compaction.



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