ndb - wl#2972 event merge false by default => change option name

storage/ndb/include/ndbapi/NdbEventOperation.hpp:
  event merge false by default => change option name
storage/ndb/ndbapi-examples/ndbapi_event/ndbapi_event.cpp:
  event merge false by default => change option name
storage/ndb/src/ndbapi/NdbEventOperation.cpp:
  event merge false by default => change option name
storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp:
  event merge false by default => change option name
storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp:
  event merge false by default => change option name
storage/ndb/test/ndbapi/test_event.cpp:
  event merge false by default => change option name
storage/ndb/test/ndbapi/test_event_merge.cpp:
  event merge false by default => change option name

storage/ndb/include/ndbapi/NdbEventOperation.hpp

@@ -94,11 +94,9 @@ public:
    */
   State getState();
   /**
-   * By default events on same NdbEventOperation within same GCI
-   * are merged into a single event.  This can be changed with
-   * separateEvents(true).
+   * See NdbDictionary::Event.  Default is false.
    */
-  void separateEvents(bool flag);
+  void mergeEvents(bool flag);
 
   /**
    * Activates the NdbEventOperation to start receiving events. The

storage/ndb/ndbapi-examples/ndbapi_event/ndbapi_event.cpp

@@ -100,7 +100,7 @@ int myCreateEvent(Ndb* myNdb,
 int main(int argc, char** argv)
 {
   ndb_init();
-  bool sep = argc > 1 && strcmp(argv[1], "-s") == 0;
+  bool merge_events = argc > 1 && strcmp(argv[1], "-m") == 0;
 
   Ndb_cluster_connection *cluster_connection=
     new Ndb_cluster_connection(); // Object representing the cluster
@@ -157,7 +157,7 @@ int main(int argc, char** argv)
     printf("create EventOperation\n");
     if ((op = myNdb->createEventOperation(eventName)) == NULL)
       APIERROR(myNdb->getNdbError());
-    op->separateEvents(sep);
+    op->mergeEvents(merge_events);
 
     printf("get values\n");
     NdbRecAttr* recAttr[noEventColumnName];

storage/ndb/src/ndbapi/NdbEventOperation.cpp

@@ -38,9 +38,9 @@ NdbEventOperation::State NdbEventOperation::getState()
   return m_impl.getState();
 }
 
-void NdbEventOperation::separateEvents(bool flag)
+void NdbEventOperation::mergeEvents(bool flag)
 {
-  m_impl.m_separateEvents = flag;
+  m_impl.m_mergeEvents = flag;
 }
 
 NdbRecAttr *

storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp

@@ -104,7 +104,7 @@ NdbEventOperationImpl::NdbEventOperationImpl(NdbEventOperation &N,
 
   m_state= EO_CREATED;
 
-  m_separateEvents = true;
+  m_mergeEvents = false;
 
   m_has_error= 0;
 
@@ -1168,7 +1168,7 @@ NdbEventBuffer::insertDataL(NdbEventOperationImpl *op,
     }
 
     bool use_hash =
-      ! op->m_separateEvents &&
+      op->m_mergeEvents &&
       sdata->operation < NdbDictionary::Event::_TE_FIRST_NON_DATA_EVENT;
 
     // find position in bucket hash table

storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp

@@ -206,7 +206,7 @@ public:
   Uint32 m_eventId;
   Uint32 m_oid;
 
-  bool m_separateEvents;
+  bool m_mergeEvents;
   
   EventBufData *m_data_item;
 

storage/ndb/test/ndbapi/test_event.cpp

@@ -169,7 +169,6 @@ eventOperation(Ndb* pNdb, const NdbDictionary::Table &tab, void* pstats, int rec
     g_err << function << "Event operation creation failed\n";
     return NDBT_FAILED;
   }
-  pOp->separateEvents(true);
 
   g_info << function << "get values\n";
   NdbRecAttr* recAttr[1024];
@@ -381,7 +380,6 @@ int runCreateDropEventOperation(NDBT_Context* ctx, NDBT_Step* step)
       g_err << "Event operation creation failed\n";
       return NDBT_FAILED;
     }
-    pOp->separateEvents(true);
 
     g_info << "dropping event operation" << endl;
     int res = pNdb->dropEventOperation(pOp);
@@ -552,7 +550,6 @@ int runEventApplier(NDBT_Context* ctx, NDBT_Step* step)
     g_err << "Event operation creation failed on %s" << buf << endl;
     DBUG_RETURN(NDBT_FAILED);
   }
-  pOp->separateEvents(true);
 
   int i;
   int n_columns= table->getNoOfColumns();
@@ -1198,7 +1195,6 @@ static int createEventOperations(Ndb * ndb)
     {
       DBUG_RETURN(NDBT_FAILED);
     }
-    pOp->separateEvents(true);
 
     int n_columns= pTabs[i]->getNoOfColumns();
     for (int j = 0; j < n_columns; j++)

storage/ndb/test/ndbapi/test_event_merge.cpp

@@ -850,7 +850,7 @@ createevent()
     evt.addEventColumn(c.name);
   }
 #ifdef version51rbr
-  evt.separateEvents(g_opts.separate_events);
+  evt.mergeEvents(! g_opts.separate_events);
 #endif
   if (g_dic->getEvent(evt.getName()) != 0)
     chkdb(g_dic->dropEvent(evt.getName()) == 0);
@@ -881,7 +881,7 @@ createeventop()
 #else
   chkdb((g_evt_op = g_ndb->createEventOperation(g_evt->getName())) != 0);
   // available in gci merge changeset
-  g_evt_op->separateEvents(g_opts.separate_events); // not yet inherited
+  g_evt_op->mergeEvents(! g_opts.separate_events); // not yet inherited
 #endif
   uint i;
   for (i = 0; i < ncol(); i++) {