SERVER-37443 Make catalog objects survive collection rename.

This change only applies to collection renames within the
same database. Rename across databases requires copying the
data, and the resulting collection will have a new UUID.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mongo/db/catalog/collection_info_cache.h b/src/mongo/db/catalog/collection_info_cache.h
index 28bd6832e91..2426b16490d 100644
--- a/src/mongo/db/catalog/collection_info_cache.h
+++ b/src/mongo/db/catalog/collection_info_cache.h
@@ -70,6 +70,8 @@ public:
 
         virtual void notifyOfQuery(OperationContext* opCtx,
                                    const std::set<std::string>& indexesUsed) = 0;
+
+        virtual void setNs(NamespaceString ns) = 0;
     };
 
 
@@ -159,6 +161,10 @@ public:
         return this->_impl().notifyOfQuery(opCtx, indexesUsed);
     }
 
+    inline void setNs(NamespaceString ns) {
+        this->_impl().setNs(std::move(ns));
+    }
+
     std::unique_ptr<Impl> _pimpl;
 
     // This structure exists to give us a customization point to decide how to force users of this