ndb - wl#2972 (5.0) fix detached trigger opType + new pgm test_event_merge

ndb/src/ndbapi/NdbEventOperationImpl.cpp:
  error code 4709 was set outside if()
ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp:
  fix opType for detached triggers (accidental miss since v21x?)
ndb/test/ndbapi/Makefile.am:
  test_event_merge v5.0
ndb/test/ndbapi/test_event_merge.cpp:
  test_event_merge v5.0

ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp

@@ -445,6 +445,7 @@ Dbtup::commitRecord(Signal* signal,
     befOpPtr.p->changeMask.bitOR(attributeMask);
     befOpPtr.p->gci = regOperPtr->gci;
     
+    befOpPtr.p->optype = opType;
     operPtr.p = befOpPtr.p;
     checkDetachedTriggers(signal,
                           befOpPtr.p,
@@ -483,6 +484,7 @@ Dbtup::commitRecord(Signal* signal,
     befOpPtr.p->pageIndex  = befOpPtr.p->pageIndexC;
     befOpPtr.p->gci = regOperPtr->gci;
 
+    befOpPtr.p->optype = opType;
     operPtr.p = befOpPtr.p;
     checkDetachedTriggers(signal,
                           befOpPtr.p,

ndb/src/ndbapi/NdbEventOperationImpl.cpp

@@ -250,10 +250,10 @@ NdbEventOperationImpl::execute()
   int hasSubscriber;
   int r= m_bufferHandle->prepareAddSubscribeEvent(this,
 						  hasSubscriber /*return value*/);
-  m_error.code= 4709;
 
   if (r < 0)
   {
+    m_error.code= 4709;
     DBUG_RETURN(-1);
   }
 

ndb/test/ndbapi/Makefile.am

@@ -35,7 +35,8 @@ testPartitioning \
 testBitfield \
 DbCreate DbAsyncGenerator \
 test_event_multi_table \
-testSRBank
+testSRBank \
+test_event_merge
 
 #flexTimedAsynch
 #testBlobs
@@ -80,6 +81,7 @@ DbCreate_SOURCES = bench/mainPopulate.cpp bench/dbPopulate.cpp bench/userInterfa
 DbAsyncGenerator_SOURCES = bench/mainAsyncGenerator.cpp bench/asyncGenerator.cpp bench/ndb_async2.cpp bench/dbGenerator.h bench/macros.h bench/userInterface.h bench/testData.h bench/testDefinitions.h bench/ndb_schema.hpp bench/ndb_error.hpp
 test_event_multi_table_SOURCES = test_event_multi_table.cpp
 testSRBank_SOURCES = testSRBank.cpp
+test_event_merge_SOURCES = test_event_merge.cpp
 
 INCLUDES_LOC = -I$(top_srcdir)/ndb/include/kernel
 
@@ -160,3 +162,4 @@ testScan.dsp: Makefile \
 	@$(top_srcdir)/ndb/config/win-includes $@ $(INCLUDES)
 	@$(top_srcdir)/ndb/config/win-sources $@ $(testScan_SOURCES)
 	@$(top_srcdir)/ndb/config/win-libraries $@ LINK $(LDADD)
+