zhannngchen commented on code in PR #11289:
URL: https://github.com/apache/doris/pull/11289#discussion_r932107099
##########
be/src/olap/tablet_meta.cpp:
##########
@@ -734,6 +734,45 @@ 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, but the
Review Comment:
we take a delete bitmap's snapshot of origin rowset at the beginning of
compaction
##########
be/src/olap/tablet_meta.cpp:
##########
@@ -734,6 +734,45 @@ 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, but the
+// detele bitmap of origin rowset may update when compaction.
+// some key deleted on compaction will exist in dst rowset.
Review Comment:
some key might be deleted during compaction, which would exist in dst rowset.
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