From 265ba00b96161463bc2a6d8640098d3ac4e4b70a Mon Sep 17 00:00:00 2001
From: Irina Yatsenko <irina.yatsenko@mongodb.com>
Date: Thu, 29 Apr 2021 23:42:13 +0000
Subject: SERVER-50286 Indicate in logs whether an operation involves a view

---
 src/mongo/db/curop.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/mongo/db/curop.h')

diff --git a/src/mongo/db/curop.h b/src/mongo/db/curop.h
index 44530fcfbfd..aab0d9fad30 100644
--- a/src/mongo/db/curop.h
+++ b/src/mongo/db/curop.h
@@ -201,6 +201,18 @@ public:
      */
     BSONObj makeMongotDebugStatsObject() const;
 
+    /**
+     * Accumulate resolved views.
+     */
+    void addResolvedViews(const std::vector<NamespaceString>& namespaces,
+                          const std::vector<BSONObj>& pipeline);
+
+    /**
+     * Get or append the array with resolved views' info.
+     */
+    BSONArray getResolvedViewsInfo() const;
+    void appendResolvedViewsInfo(BSONObjBuilder& builder) const;
+
     // -------------------
 
     // basic options
@@ -279,6 +291,12 @@ public:
 
     // Whether this is an oplog getMore operation for replication oplog fetching.
     bool isReplOplogGetMore{false};
+
+    // Maps namespace of a resolved view to its dependency chain and the fully unrolled pipeline. To
+    // make log line deterministic and easier to test, use ordered map. As we don't expect many
+    // resolved views per query, a hash map would unlikely provide any benefits.
+    std::map<NamespaceString, std::pair<std::vector<NamespaceString>, std::vector<BSONObj>>>
+        resolvedViews;
 };
 
 /**
-- 
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