SERVER-43018 Transactions that perform untimestamped reads should check min visible snapshot for any pending catalog changes in collection and index entries.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h b/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h
index 3217be3f8f5..fcfe187d378 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h
@@ -138,6 +138,10 @@ public:
 
     void setRoundUpPreparedTimestamps(bool value) override;
 
+    void setCatalogConflictingTimestamp(Timestamp timestamp) override;
+
+    Timestamp getCatalogConflictingTimestamp() const override;
+
     void setTimestampReadSource(ReadSource source,
                                 boost::optional<Timestamp> provided = boost::none) override;
 
@@ -254,6 +258,7 @@ private:
     boost::optional<Timestamp> _lastTimestampSet;
     Timestamp _majorityCommittedSnapshot;
     Timestamp _readAtTimestamp;
+    Timestamp _catalogConflictTimestamp;
     std::unique_ptr<Timer> _timer;
     bool _isOplogReader = false;
     boost::optional<int64_t> _oplogVisibleTs = boost::none;