ndb - bug#27728 (5.1)

  Make sure API is connected to nodes when subscribing


storage/ndb/include/kernel/signaldata/SumaImpl.hpp:
  new error code
storage/ndb/src/kernel/blocks/suma/Suma.cpp:
  make sure API is connected in SUB_START_REQ
storage/ndb/src/ndbapi/ndberror.c:
  new error code

storage/ndb/include/kernel/signaldata/SumaImpl.hpp

@@ -119,7 +119,8 @@ struct SubStartRef {
     Undefined = 1,
     NF_FakeErrorREF = 11,
     Busy = 701,
-    NotMaster = 702
+    NotMaster = 702,
+    PartiallyConnected = 1421
   };
 
   STATIC_CONST( SignalLength = 7 );

storage/ndb/src/kernel/blocks/suma/Suma.cpp

@@ -2394,6 +2394,16 @@ Suma::execSUB_START_REQ(Signal* signal){
     sendSubStartRef(signal, 1412);
     DBUG_VOID_RETURN;
   }
+
+  if (c_startup.m_restart_server_node_id == 0 && 
+      !c_connected_nodes.get(refToNode(subscriberRef)))
+    
+  {
+    jam();
+    sendSubStartRef(signal, SubStartRef::PartiallyConnected);
+    return;
+  }
+  
   DBUG_PRINT("info",("c_subscriberPool  size: %d free: %d",
 		     c_subscriberPool.getSize(),
 		     c_subscriberPool.getNoOfFree()));

storage/ndb/src/ndbapi/ndberror.c

@@ -490,6 +490,7 @@ ErrorBundle ErrorCodes[] = {
   { 1419, DMEC, SE, "Subscription already dropped" },
 
   { 1420, DMEC, TR, "Subscriber manager busy with adding/removing a table" },
+  { 1421, DMEC, SE, "Partially connected API in NdbOperation::execute()" },
 
   { 4004, DMEC, AE, "Attribute name or id not found in the table" },