SERVER-52587 Making collection and database instances comparable through cluster time (no more epochs)

PART 2: Extending the ComparableDatabaseVersion to be able to compare
DatabaseVersions with timestamps

1 files changed, 4 insertions, 0 deletions

diff --git a/src/mongo/s/database_version.h b/src/mongo/s/database_version.h
index adaa1ff3963..82fe6c9bab7 100644
--- a/src/mongo/s/database_version.h
+++ b/src/mongo/s/database_version.h
@@ -46,6 +46,7 @@ namespace mongo {
 class DatabaseVersion : private DatabaseVersionBase {
 public:
     using DatabaseVersionBase::getLastMod;
+    using DatabaseVersionBase::getTimestamp;
     using DatabaseVersionBase::toBSON;
 
     // It returns a new DatabaseVersion marked as fixed. A fixed database version is used to
@@ -76,6 +77,9 @@ public:
 
     DatabaseVersion makeUpdated() const;
 
+    /**
+     * It returns true if the uuid and lastmod of both versions are the same.
+     */
     bool operator==(const DatabaseVersion& other) const {
         return getUuid() == other.getUuid() && getLastMod() == other.getLastMod();
     }