SERVER-43821 Make PlanStage and PlanExecutor return errors by throwing

This eliminates the need for the FAILURE status codes in
PlanStage and PlanExecutor, and brings query execution's
error reporting more in line with that of the rest of the
server. It also makes it easier for future implementations
of PlanExecutor to comply with the interface.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/mongo/db/commands/count_cmd.cpp b/src/mongo/db/commands/count_cmd.cpp
index 7b0ec4e8fad..56a07deb865 100644
--- a/src/mongo/db/commands/count_cmd.cpp
+++ b/src/mongo/db/commands/count_cmd.cpp
@@ -259,8 +259,7 @@ public:
             curOp->setPlanSummary_inlock(Explain::getPlanSummary(exec.get()));
         }
 
-        Status execPlanStatus = exec->executePlan();
-        uassertStatusOK(execPlanStatus);
+        exec->executePlan();
 
         PlanSummaryStats summaryStats;
         Explain::getSummaryStats(*exec, &summaryStats);