From fbf03e93dad1d2d081944c05436e777380873eb2 Mon Sep 17 00:00:00 2001
From: Daniel Gottlieb <daniel.gottlieb@mongodb.com>
Date: Wed, 24 Jan 2018 13:45:05 -0500
Subject: SERVER-32251: Timestamp drop collection/database

---
 src/mongo/db/namespace_string.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/mongo/db/namespace_string.cpp')

diff --git a/src/mongo/db/namespace_string.cpp b/src/mongo/db/namespace_string.cpp
index ba941475923..73e54524fe8 100644
--- a/src/mongo/db/namespace_string.cpp
+++ b/src/mongo/db/namespace_string.cpp
@@ -221,6 +221,25 @@ Status NamespaceString::checkLengthForRename(
     return Status::OK();
 }
 
+bool NamespaceString::isReplicated() const {
+    if (isLocal()) {
+        return false;
+    }
+
+    // Of collections not in the `local` database, only `system` collections might not be
+    // replicated.
+    if (!isSystem()) {
+        return true;
+    }
+
+    if (isSystemDotProfile()) {
+        return false;
+    }
+
+    // E.g: `system.version` is replicated.
+    return true;
+}
+
 std::ostream& operator<<(std::ostream& stream, const NamespaceString& nss) {
     return stream << nss.toString();
 }
-- 
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