SERVER-19377 PlanStage: make work() non-virt, add virt method doWork()

Changes PlanStage::work() to be non-virtual.  PlanStage::work() now
updates _commonStats and calls new pure virtual method doWork().

1 files changed, 1 insertions, 4 deletions

diff --git a/src/mongo/db/exec/eof.cpp b/src/mongo/db/exec/eof.cpp
index f5f127f016a..2f8f552bed2 100644
--- a/src/mongo/db/exec/eof.cpp
+++ b/src/mongo/db/exec/eof.cpp
@@ -50,10 +50,7 @@ bool EOFStage::isEOF() {
     return true;
 }
 
-PlanStage::StageState EOFStage::work(WorkingSetID* out) {
-    ++_commonStats.works;
-    // Adds the amount of time taken by work() to executionTimeMillis.
-    ScopedTimer timer(&_commonStats.executionTimeMillis);
+PlanStage::StageState EOFStage::doWork(WorkingSetID* out) {
     return PlanStage::IS_EOF;
 }