imay commented on a change in pull request #2658: [AlphaRowset] set
num_segments field in rowset meta if missing
URL: https://github.com/apache/incubator-doris/pull/2658#discussion_r363033949
##########
File path: be/src/olap/rowset/rowset_meta.h
##########
@@ -326,11 +326,12 @@ class RowsetMeta {
// so the segments in it are non overlapping.
// 2. the segments_overlap() flag in rowset meta is set to NONOVERLAPPING,
explicitly.
bool is_segments_overlapping() const {
- if (num_segments() == 0) {
- // specially for delete version
+ if (end_version() > start_version() || segments_overlap() ==
NONOVERLAPPING) {
return false;
}
- if (end_version() > start_version() || segments_overlap() ==
NONOVERLAPPING) {
+
+ // some of cumulative rowsets may have no segments.(no data, or a
delete version)
Review comment:
I think the cumulative rowsets will hit above if clause. So this comment is
some misleading.
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