1 files changed, 0 insertions, 145 deletions
diff --git a/src/mongo/db/exec/pipeline_proxy.cpp b/src/mongo/db/exec/pipeline_proxy.cpp
deleted file mode 100644
index c3014ce34a5..00000000000
--- a/src/mongo/db/exec/pipeline_proxy.cpp
+++ /dev/null
@@ -1,145 +0,0 @@
-/**
- *    Copyright (C) 2018-present MongoDB, Inc.
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the Server Side Public License, version 1,
- *    as published by MongoDB, Inc.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    Server Side Public License for more details.
- *
- *    You should have received a copy of the Server Side Public License
- *    along with this program. If not, see
- *    <http://www.mongodb.com/licensing/server-side-public-license>.
- *
- *    As a special exception, the copyright holders give permission to link the
- *    code of portions of this program with the OpenSSL library under certain
- *    conditions as described in each individual source file and distribute
- *    linked combinations including the program with the OpenSSL library. You
- *    must comply with the Server Side Public License in all respects for
- *    all of the code used other than as permitted herein. If you modify file(s)
- *    with this exception, you may extend this exception to your version of the
- *    file(s), but you are not obligated to do so. If you do not wish to do so,
- *    delete this exception statement from your version. If you delete this
- *    exception statement from all source files in the program, then also delete
- *    it in the license file.
- */
-
-#include "mongo/platform/basic.h"
-
-#include "mongo/db/exec/pipeline_proxy.h"
-
-#include <memory>
-
-#include "mongo/db/pipeline/document_source.h"
-#include "mongo/db/pipeline/expression_context.h"
-#include "mongo/db/pipeline/pipeline_d.h"
-
-namespace mongo {
-
-using boost::intrusive_ptr;
-using std::shared_ptr;
-using std::unique_ptr;
-using std::vector;
-
-const char* PipelineProxyStage::kStageType = "PIPELINE_PROXY";
-
-PipelineProxyStage::PipelineProxyStage(ExpressionContext* expCtx,
-                                       std::unique_ptr<Pipeline, PipelineDeleter> pipeline,
-                                       WorkingSet* ws)
-    : PipelineProxyStage(expCtx, std::move(pipeline), ws, kStageType) {}
-
-PipelineProxyStage::PipelineProxyStage(ExpressionContext* expCtx,
-                                       std::unique_ptr<Pipeline, PipelineDeleter> pipeline,
-                                       WorkingSet* ws,
-                                       const char* stageTypeName)
-    : PlanStage(stageTypeName, expCtx),
-      _pipeline(std::move(pipeline)),
-      _includeMetaData(_pipeline->getContext()->needsMerge),  // send metadata to merger
-      _ws(ws) {
-    // We take over responsibility for disposing of the Pipeline, since it is required that
-    // doDispose() will be called before destruction of this PipelineProxyStage.
-    _pipeline.get_deleter().dismissDisposal();
-}
-
-PlanStage::StageState PipelineProxyStage::doWork(WorkingSetID* out) {
-    invariant(out);
-
-    if (!_stash.empty()) {
-        *out = _ws->allocate();
-        WorkingSetMember* member = _ws->get(*out);
-        if (_includeMetaData && _stash.back().metadata()) {
-            member->metadata() = _stash.back().metadata();
-        }
-        member->doc = {SnapshotId(), std::move(_stash.back())};
-        _stash.pop_back();
-        member->transitionToOwnedObj();
-        return PlanStage::ADVANCED;
-    }
-
-    if (auto next = getNext()) {
-        *out = _ws->allocate();
-        WorkingSetMember* member = _ws->get(*out);
-        if (_includeMetaData && next->metadata()) {
-            member->metadata() = next->metadata();
-        }
-        member->doc = {SnapshotId(), std::move(*next)};
-        member->transitionToOwnedObj();
-        return PlanStage::ADVANCED;
-    }
-
-    return PlanStage::IS_EOF;
-}
-
-bool PipelineProxyStage::isEOF() {
-    if (!_stash.empty())
-        return false;
-
-    if (auto next = getNext()) {
-        _stash.emplace_back(*next);
-        return false;
-    }
-
-    return true;
-}
-
-void PipelineProxyStage::doDetachFromOperationContext() {
-    _pipeline->detachFromOperationContext();
-}
-
-void PipelineProxyStage::doReattachToOperationContext() {
-    _pipeline->reattachToOperationContext(opCtx());
-}
-
-void PipelineProxyStage::doDispose() {
-    _pipeline->dispose(opCtx());
-}
-
-unique_ptr<PlanStageStats> PipelineProxyStage::getStats() {
-    unique_ptr<PlanStageStats> ret =
-        std::make_unique<PlanStageStats>(CommonStats(kStageType), STAGE_PIPELINE_PROXY);
-    ret->specific = std::make_unique<CollectionScanStats>();
-    return ret;
-}
-
-boost::optional<Document> PipelineProxyStage::getNext() {
-    return _pipeline->getNext();
-}
-
-std::string PipelineProxyStage::getPlanSummaryStr() const {
-    return PipelineD::getPlanSummaryStr(_pipeline.get());
-}
-
-void PipelineProxyStage::getPlanSummaryStats(PlanSummaryStats* statsOut) const {
-    invariant(statsOut);
-    PipelineD::getPlanSummaryStats(_pipeline.get(), statsOut);
-    statsOut->nReturned = getCommonStats()->advanced;
-}
-
-vector<Value> PipelineProxyStage::writeExplainOps(ExplainOptions::Verbosity verbosity) const {
-    return _pipeline->writeExplainOps(verbosity);
-}
-
-}  // namespace mongo