Revert "SERVER-48771 Enforce constraints on multi timestamp storage transactions"

This reverts commit 0760780e4afa55be377c2a1a47b43e29132478df.

1 files changed, 0 insertions, 29 deletions

diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h b/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h
index 3117c3855a5..292ebe8f049 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.h
@@ -34,7 +34,6 @@
 #include <boost/optional.hpp>
 #include <cstdint>
 #include <memory>
-#include <stack>
 #include <vector>
 
 #include "mongo/base/checked_cast.h"
@@ -171,10 +170,6 @@ public:
 
     void refreshSnapshot() override;
 
-    void ignoreAllMultiTimestampConstraints() {
-        _multiTimestampConstraintTracker.ignoreAllMultiTimestampConstraints = true;
-    }
-
     // ---- WT STUFF
 
     WiredTigerSession* getSession();
@@ -207,14 +202,6 @@ public:
     }
     void assertInActiveTxn() const;
 
-    /**
-     * This function must be called when a write operation is performed on the active transaction
-     * for the first time.
-     *
-     * Must be reset when the active transaction is either committed or rolled back.
-     */
-    void setTxnModified();
-
     boost::optional<int64_t> getOplogVisibilityTs();
 
     static WiredTigerRecoveryUnit* get(OperationContext* opCtx) {
@@ -259,27 +246,11 @@ private:
      */
     Timestamp _getTransactionReadTimestamp(WT_SESSION* session);
 
-    /**
-     * Keeps track of constraint violations on multi timestamp transactions. If a transaction sets
-     * multiple timestamps, the first timestamp must be set prior to any writes. Vice-versa, if a
-     * transaction writes a document before setting a timestamp, it must not set multiple
-     * timestamps.
-     */
-    void _updateMultiTimestampConstraint(Timestamp timestamp);
-
     WiredTigerSessionCache* _sessionCache;  // not owned
     WiredTigerOplogManager* _oplogManager;  // not owned
     UniqueWiredTigerSession _session;
     bool _isTimestamped = false;
 
-    // Helpers used to keep track of multi timestamp constraint violations on the transaction.
-    struct MultiTimestampConstraintTracker {
-        bool isTxnModified = false;
-        bool txnHasNonTimestampedWrite = false;
-        bool ignoreAllMultiTimestampConstraints = false;
-        std::stack<Timestamp> timestampOrder = {};
-    } _multiTimestampConstraintTracker;
-
     // Specifies which external source to use when setting read timestamps on transactions.
     ReadSource _timestampReadSource = ReadSource::kNoTimestamp;