From 450ffbb63d5b265d2e17c6ec4556f030099b9f60 Mon Sep 17 00:00:00 2001
From: Benety Goh <benety@mongodb.com>
Date: Sat, 4 Feb 2023 11:55:29 +0000
Subject: SERVER-70905 add missing invariant

---
 src/mongo/db/repl/oplog_applier_impl.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mongo/db/repl/oplog_applier_impl.cpp b/src/mongo/db/repl/oplog_applier_impl.cpp
index 5ebe08bee80..35fa85e2ced 100644
--- a/src/mongo/db/repl/oplog_applier_impl.cpp
+++ b/src/mongo/db/repl/oplog_applier_impl.cpp
@@ -817,6 +817,7 @@ void OplogApplierImpl::_deriveOpsAndFillWriterVectors(
                 auto* partialTxnList = getPartialTxnList(op);
                 _addOplogChainOpsToWriterVectors(
                     opCtx, partialTxnList, derivedOps, &op, &collPropertiesCache, writerVectors);
+                invariant(partialTxnList->empty(), op.toStringForLogging());
                 continue;
             }
             if (op.isPreparedCommit() &&
-- 
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