SERVER-48477 move CRUD interface into PlanExecutor

This allows classic PlanStages to be removed from the
PlanExecutor interface. It also positions the code base well
for adding SBE support for all of the CRUD commands.

1 files changed, 14 insertions, 5 deletions

diff --git a/src/mongo/db/pipeline/plan_executor_pipeline.h b/src/mongo/db/pipeline/plan_executor_pipeline.h
index f6ad2a97341..54a66979bfc 100644
--- a/src/mongo/db/pipeline/plan_executor_pipeline.h
+++ b/src/mongo/db/pipeline/plan_executor_pipeline.h
@@ -46,10 +46,6 @@ public:
                          std::unique_ptr<Pipeline, PipelineDeleter> pipeline,
                          bool isChangeStream);
 
-    PlanStage* getRootStage() const override {
-        MONGO_UNREACHABLE;
-    }
-
     CanonicalQuery* getCanonicalQuery() const override {
         return nullptr;
     }
@@ -81,7 +77,20 @@ public:
 
     bool isEOF() override;
 
-    void executePlan() override;
+    // DocumentSource execution is only used for executing aggregation commands, so the interfaces
+    // for executing other CRUD operations are not supported.
+    long long executeCount() override {
+        MONGO_UNREACHABLE;
+    }
+    UpdateResult executeUpdate() override {
+        MONGO_UNREACHABLE;
+    }
+    UpdateResult getUpdateResult() const override {
+        MONGO_UNREACHABLE;
+    }
+    long long executeDelete() override {
+        MONGO_UNREACHABLE;
+    }
 
     void dispose(OperationContext* opCtx) override {
         _pipeline->dispose(opCtx);