diff options
Diffstat (limited to 'src/mongo/db/query/plan_executor_sbe.cpp')
| -rw-r--r-- | src/mongo/db/query/plan_executor_sbe.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mongo/db/query/plan_executor_sbe.cpp b/src/mongo/db/query/plan_executor_sbe.cpp index b4905fce9ec..a62dfc5b8aa 100644 --- a/src/mongo/db/query/plan_executor_sbe.cpp +++ b/src/mongo/db/query/plan_executor_sbe.cpp @@ -89,6 +89,10 @@ PlanExecutorSBE::PlanExecutorSBE(OperationContext* opCtx, if (!winner.results.empty()) { _stash = std::move(winner.results); + // The PlanExecutor keeps an extra reference to the last object pulled out of the PlanStage + // tree. This is because we want to ensure that the caller of PlanExecutor::getNext() does + // not free the object and leave a dangling pointer in the PlanStage tree. + _lastGetNext = _stash.back().first; } // Callers are allowed to disable yielding for this plan by passing a null yield policy. |