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Diffstat (limited to 'src/mongo/db/namespace_string.h')
-rw-r--r--src/mongo/db/namespace_string.h20
1 files changed, 18 insertions, 2 deletions
diff --git a/src/mongo/db/namespace_string.h b/src/mongo/db/namespace_string.h
index c623dbbac90..58f26d76b2c 100644
--- a/src/mongo/db/namespace_string.h
+++ b/src/mongo/db/namespace_string.h
@@ -31,6 +31,7 @@
#pragma once
#include <algorithm>
+#include <boost/optional.hpp>
#include <iosfwd>
#include <string>
@@ -93,13 +94,13 @@ public:
NamespaceString(StringData dbName, StringData collectionName);
/**
- * Contructs a NamespaceString representing a listCollections namespace. The format for this
+ * Constructs a NamespaceString representing a listCollections namespace. The format for this
* namespace is "<dbName>.$cmd.listCollections".
*/
static NamespaceString makeListCollectionsNSS(StringData dbName);
/**
- * Contructs a NamespaceString representing a listIndexes namespace. The format for this
+ * Constructs a NamespaceString representing a listIndexes namespace. The format for this
* namespace is "<dbName>.$cmd.listIndexes.<collectionName>".
*/
static NamespaceString makeListIndexesNSS(StringData dbName, StringData collectionName);
@@ -202,10 +203,25 @@ public:
bool isVirtualized() const {
return virtualized(_ns);
}
+
+ /**
+ * Returns true if cursors for this namespace are registered with the global cursor manager.
+ */
+ bool isGloballyManagedNamespace() const {
+ return coll().startsWith("$cmd."_sd);
+ }
+
bool isListCollectionsCursorNS() const;
bool isListIndexesCursorNS() const;
/**
+ * Given a NamespaceString for which isGloballyManagedNamespace() returns true, returns the
+ * namespace the command targets, or boost::none for commands like 'listCollections' which
+ * do not target a collection.
+ */
+ boost::optional<NamespaceString> getTargetNSForGloballyManagedNamespace() const;
+
+ /**
* Given a NamespaceString for which isListIndexesCursorNS() returns true, returns the
* NamespaceString for the collection that the "listIndexes" targets.
*/