bug#15908 - ndb

  When scan is completed, but lqhkeyreq is outstanding on primary replica and
  starting node dies, scan will not be closed leading to error handling of failed
  node not completing


ndb/src/kernel/blocks/ERROR_codes.txt:
  New error code
ndb/src/kernel/blocks/dblqh/DblqhMain.cpp:
  Set scan state to WAIT_LQHKEY_COPY when scan is finished but LQHKEYREQ is outstanding

ndb/src/kernel/blocks/ERROR_codes.txt

@@ -3,7 +3,7 @@ Next NDBCNTR 1000
 Next NDBFS 2000
 Next DBACC 3002
 Next DBTUP 4013
-Next DBLQH 5042
+Next DBLQH 5043
 Next DBDICT 6006
 Next DBDIH 7174
 Next DBTC 8037
@@ -312,6 +312,8 @@ LQH:
 5026  Crash when receiving COPY_ACTIVEREQ
 5027  Crash when receiving STAT_RECREQ
 
+5042  Crash starting node, when scan is finished on primary replica
+
 Test Crashes in handling take over
 ----------------------------------
 

ndb/src/kernel/blocks/dblqh/DblqhMain.cpp

@@ -9220,6 +9220,15 @@ void Dblqh::nextScanConfCopyLab(Signal* signal)
 // completion. Signal completion through scanCompletedStatus-flag.
 /*---------------------------------------------------------------------------*/
     scanptr.p->scanCompletedStatus = ZTRUE;
+    scanptr.p->scanState = ScanRecord::WAIT_LQHKEY_COPY;
+    if (ERROR_INSERTED(5042))
+    {
+      CLEAR_ERROR_INSERT_VALUE;
+      tcConnectptr.p->copyCountWords = ~0;
+      signal->theData[0] = 9999;
+      sendSignal(numberToRef(CMVMI, scanptr.p->scanNodeId),
+		 GSN_NDB_TAMPER, signal, 1, JBA);
+    }
     return;
   }//if