SERVER-37444 Added RequiresCollectionStage and use for COLLSCAN.

This is a pure refactor with no user-facing changes. It is
the first step in making PlanExecutors check their own
validity during yield recovery, rather than requiring the
invalidating actor to issue a kill notification.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/mongo/db/commands/collection_to_capped.cpp b/src/mongo/db/commands/collection_to_capped.cpp
index a7b3530d0e9..816882ad0fb 100644
--- a/src/mongo/db/commands/collection_to_capped.cpp
+++ b/src/mongo/db/commands/collection_to_capped.cpp
@@ -135,9 +135,7 @@ public:
                       str::stream() << "database " << dbname << " not found");
         }
 
-        Status status =
-            cloneCollectionAsCapped(opCtx, db, from.toString(), to.toString(), size, temp);
-        uassertStatusOK(status);
+        cloneCollectionAsCapped(opCtx, db, from.toString(), to.toString(), size, temp);
         return true;
     }
 } cmdCloneCollectionAsCapped;
@@ -180,7 +178,7 @@ public:
             return false;
         }
 
-        uassertStatusOK(convertToCapped(opCtx, nss, size));
+        convertToCapped(opCtx, nss, size);
         return true;
     }