ndb - bug#9994 backpatch fixes from 5.0

      IGNORE on merge 4.1->5.0


ndb/src/kernel/blocks/ERROR_codes.txt:
  bug#9994 backpatch fixes from 5.0
ndb/src/kernel/blocks/dbdict/Dbdict.cpp:
  bug#9994 backpatch fixes from 5.0
ndb/src/kernel/blocks/dbdict/Dbdict.hpp:
  bug#9994 backpatch fixes from 5.0
ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  bug#9994 backpatch fixes from 5.0
ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp:
  bug#9994 backpatch fixes from 5.0

5 files changed, 338 insertions, 158 deletions

diff --git a/ndb/src/kernel/blocks/ERROR_codes.txt b/ndb/src/kernel/blocks/ERROR_codes.txt
index 5193d3eae9d..791df915d66 100644
--- a/ndb/src/kernel/blocks/ERROR_codes.txt
+++ b/ndb/src/kernel/blocks/ERROR_codes.txt
@@ -6,7 +6,7 @@ Next DBTUP 4013
 Next DBLQH 5042
 Next DBDICT 6006
 Next DBDIH 7174
-Next DBTC 8035
+Next DBTC 8037
 Next CMVMI 9000
 Next BACKUP 10022
 Next DBUTIL 11002
@@ -406,8 +406,11 @@ Drop Table/Index:
 4001: Crash on REL_TABMEMREQ in TUP
 4002: Crash on DROP_TABFILEREQ in TUP
 4003: Fail next trigger create in TUP
+4004: Fail next trigger drop in TUP
 8033: Fail next trigger create in TC
 8034: Fail next index create in TC
+8035: Fail next trigger drop in TC
+8036: Fail next index drop in TC
 
 System Restart:
 ---------------
diff --git a/ndb/src/kernel/blocks/dbdict/Dbdict.cpp b/ndb/src/kernel/blocks/dbdict/Dbdict.cpp
index 3d5eb0c52aa..90f4ac73411 100644
--- a/ndb/src/kernel/blocks/dbdict/Dbdict.cpp
+++ b/ndb/src/kernel/blocks/dbdict/Dbdict.cpp
@@ -6740,14 +6740,16 @@ Dbdict::createIndex_sendReply(Signal* signal, OpCreateIndexPtr opPtr,
   CreateIndxRef* rep = (CreateIndxRef*)signal->getDataPtrSend();
   Uint32 gsn = GSN_CREATE_INDX_CONF;
   Uint32 length = CreateIndxConf::InternalLength;
-  bool sendRef = opPtr.p->hasError();
+  bool sendRef;
   if (! toUser) {
+    sendRef = opPtr.p->hasLastError();
     rep->setUserRef(opPtr.p->m_coordinatorRef);
     rep->setConnectionPtr(opPtr.p->key);
     rep->setRequestType(opPtr.p->m_requestType);
     if (opPtr.p->m_requestType == CreateIndxReq::RT_DICT_ABORT)
       sendRef = false;
   } else {
+    sendRef = opPtr.p->hasError();
     rep->setUserRef(opPtr.p->m_request.getUserRef());
     rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
     rep->setRequestType(opPtr.p->m_request.getRequestType());
@@ -6816,11 +6818,8 @@ Dbdict::execDROP_INDX_REQ(Signal* signal)
 	goto error;
       }
 
-      if (tmp.p->indexState == TableRecord::IS_DROPPING){
-	jam();
-	err = DropIndxRef::IndexNotFound;
-	goto error;
-      }
+      if (tmp.p->indexState != TableRecord::IS_ONLINE)
+        req->addRequestFlag(RequestFlag::RF_FORCE);
 
       tmp.p->indexState = TableRecord::IS_DROPPING;
 
@@ -7083,14 +7082,16 @@ Dbdict::dropIndex_sendReply(Signal* signal, OpDropIndexPtr opPtr,
   DropIndxRef* rep = (DropIndxRef*)signal->getDataPtrSend();
   Uint32 gsn = GSN_DROP_INDX_CONF;
   Uint32 length = DropIndxConf::InternalLength;
-  bool sendRef = opPtr.p->hasError();
+  bool sendRef;
   if (! toUser) {
+    sendRef = opPtr.p->hasLastError();
     rep->setUserRef(opPtr.p->m_coordinatorRef);
     rep->setConnectionPtr(opPtr.p->key);
     rep->setRequestType(opPtr.p->m_requestType);
     if (opPtr.p->m_requestType == DropIndxReq::RT_DICT_ABORT)
       sendRef = false;
   } else {
+    sendRef = opPtr.p->hasError();
     rep->setUserRef(opPtr.p->m_request.getUserRef());
     rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
     rep->setRequestType(opPtr.p->m_request.getRequestType());
@@ -9607,7 +9608,7 @@ Dbdict::alterIndex_fromCreateTc(Signal* signal, OpAlterIndexPtr opPtr)
 {
   jam();
   // mark created in local TC
-  if (! opPtr.p->hasError()) {
+  if (! opPtr.p->hasLastError()) {
     TableRecordPtr indexPtr;
     c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
     indexPtr.p->indexLocal |= TableRecord::IL_CREATED_TC;
@@ -9623,9 +9624,10 @@ Dbdict::alterIndex_toDropTc(Signal* signal, OpAlterIndexPtr opPtr)
   jam();
   TableRecordPtr indexPtr;
   c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
-  // broken index
+  // broken index allowed if force
   if (! (indexPtr.p->indexLocal & TableRecord::IL_CREATED_TC)) {
     jam();
+    ndbrequire(opPtr.p->m_requestFlag & RequestFlag::RF_FORCE);
     alterIndex_sendReply(signal, opPtr, false);
     return;
   }
@@ -9647,8 +9649,8 @@ Dbdict::alterIndex_fromDropTc(Signal* signal, OpAlterIndexPtr opPtr)
 {
   jam();
   ndbrequire(opPtr.p->m_requestType == AlterIndxReq::RT_DICT_TC);
-  if (! opPtr.p->hasError()) {
-    // mark dropped in local TC
+  // mark dropped locally
+  if (! opPtr.p->hasLastError()) {
     TableRecordPtr indexPtr;
     c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
     indexPtr.p->indexLocal &= ~TableRecord::IL_CREATED_TC;
@@ -9786,51 +9788,46 @@ Dbdict::alterIndex_toDropTrigger(Signal* signal, OpAlterIndexPtr opPtr)
   req->setUserRef(reference());
   req->setConnectionPtr(opPtr.p->key);
   req->setRequestType(DropTrigReq::RT_ALTER_INDEX);
+  req->addRequestFlag(opPtr.p->m_requestFlag);
   req->setTableId(opPtr.p->m_request.getTableId());
   req->setIndexId(opPtr.p->m_request.getIndexId());
   req->setTriggerInfo(0);       // not used
   opPtr.p->m_triggerCounter = 0;
-  // insert
-  if (indexPtr.p->insertTriggerId != RNIL) {
+  if (indexPtr.p->isHashIndex()) {
+    // insert
     req->setTriggerId(indexPtr.p->insertTriggerId);
     sendSignal(reference(), GSN_DROP_TRIG_REQ, 
         signal, DropTrigReq::SignalLength, JBB);
     opPtr.p->m_triggerCounter++;
-  }
-  // update
-  if (indexPtr.p->updateTriggerId != RNIL) {
+    // update
     req->setTriggerId(indexPtr.p->updateTriggerId);
     sendSignal(reference(), GSN_DROP_TRIG_REQ, 
         signal, DropTrigReq::SignalLength, JBB);
     opPtr.p->m_triggerCounter++;
-  }
-  // delete
-  if (indexPtr.p->deleteTriggerId != RNIL) {
+    // delete
     req->setTriggerId(indexPtr.p->deleteTriggerId);
     sendSignal(reference(), GSN_DROP_TRIG_REQ, 
         signal, DropTrigReq::SignalLength, JBB);
     opPtr.p->m_triggerCounter++;
+    // build
+    if (indexPtr.p->buildTriggerId != RNIL) {
+      req->setTriggerId(indexPtr.p->buildTriggerId);
+      sendSignal(reference(), GSN_DROP_TRIG_REQ, 
+          signal, DropTrigReq::SignalLength, JBB);
+      opPtr.p->m_triggerCounter++;
+    }
+    return;
   }
-  // custom
-  if (indexPtr.p->customTriggerId != RNIL) {
+  if (indexPtr.p->isOrderedIndex()) {
+    // custom
+    req->addRequestFlag(RequestFlag::RF_NOTCTRIGGER);
     req->setTriggerId(indexPtr.p->customTriggerId);
     sendSignal(reference(), GSN_DROP_TRIG_REQ, 
         signal, DropTrigReq::SignalLength, JBB);
     opPtr.p->m_triggerCounter++;
+    return;
   }
-  // build
-  if (indexPtr.p->buildTriggerId != RNIL) {
-    req->setTriggerId(indexPtr.p->buildTriggerId);
-    sendSignal(reference(), GSN_DROP_TRIG_REQ, 
-        signal, DropTrigReq::SignalLength, JBB);
-    opPtr.p->m_triggerCounter++;
-  }
-  if (opPtr.p->m_triggerCounter == 0) {
-    // drop in each TC
-    jam();
-    opPtr.p->m_requestType = AlterIndxReq::RT_DICT_TC;
-    alterIndex_sendSlaveReq(signal, opPtr);
-  }
+  ndbrequire(false);
 }
 
 void
@@ -9948,14 +9945,16 @@ Dbdict::alterIndex_sendReply(Signal* signal, OpAlterIndexPtr opPtr,
   AlterIndxRef* rep = (AlterIndxRef*)signal->getDataPtrSend();
   Uint32 gsn = GSN_ALTER_INDX_CONF;
   Uint32 length = AlterIndxConf::InternalLength;
-  bool sendRef = opPtr.p->hasError();
+  bool sendRef;
   if (! toUser) {
+    sendRef = opPtr.p->hasLastError();
     rep->setUserRef(opPtr.p->m_coordinatorRef);
     rep->setConnectionPtr(opPtr.p->key);
     rep->setRequestType(opPtr.p->m_requestType);
     if (opPtr.p->m_requestType == AlterIndxReq::RT_DICT_ABORT)
       sendRef = false;
   } else {
+    sendRef = opPtr.p->hasError();
     rep->setUserRef(opPtr.p->m_request.getUserRef());
     rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
     rep->setRequestType(opPtr.p->m_request.getRequestType());
@@ -10368,8 +10367,10 @@ Dbdict::buildIndex_toOnline(Signal* signal, OpBuildIndexPtr opPtr)
   req->setUserRef(reference());
   req->setConnectionPtr(opPtr.p->key);
   if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TC) {
+    jam();
     req->setRequestType(AlterIndxReq::RT_TC);
   } else if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TUX) {
+    jam();
     req->setRequestType(AlterIndxReq::RT_TUX);
   } else {
     ndbrequire(false);
@@ -10380,8 +10381,10 @@ Dbdict::buildIndex_toOnline(Signal* signal, OpBuildIndexPtr opPtr)
   req->setOnline(true);
   BlockReference blockRef = 0;
   if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TC) {
+    jam();
     blockRef = calcTcBlockRef(getOwnNodeId());
   } else if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TUX) {
+    jam();
     blockRef = calcTuxBlockRef(getOwnNodeId());
   } else {
     ndbrequire(false);
@@ -10408,15 +10411,14 @@ Dbdict::buildIndex_sendSlaveReq(Signal* signal, OpBuildIndexPtr opPtr)
   req->setConnectionPtr(opPtr.p->key);
   req->setRequestType(opPtr.p->m_requestType);
   req->addRequestFlag(opPtr.p->m_requestFlag);
-  if(opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL)
-  {
+  if(opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL) {
+    jam();
     opPtr.p->m_signalCounter.clearWaitingFor();
     opPtr.p->m_signalCounter.setWaitingFor(getOwnNodeId());
     sendSignal(reference(), GSN_BUILDINDXREQ,
 	       signal, BuildIndxReq::SignalLength, JBB);
-  }
-  else
-  {
+  } else {
+    jam();
     opPtr.p->m_signalCounter = c_aliveNodes;
     NodeReceiverGroup rg(DBDICT, c_aliveNodes);
     sendSignal(rg, GSN_BUILDINDXREQ,
@@ -10431,14 +10433,16 @@ Dbdict::buildIndex_sendReply(Signal* signal, OpBuildIndexPtr opPtr,
   BuildIndxRef* rep = (BuildIndxRef*)signal->getDataPtrSend();
   Uint32 gsn = GSN_BUILDINDXCONF;
   Uint32 length = BuildIndxConf::InternalLength;
-  bool sendRef = opPtr.p->hasError();
+  bool sendRef;
   if (! toUser) {
+    sendRef = opPtr.p->hasLastError();
     rep->setUserRef(opPtr.p->m_coordinatorRef);
     rep->setConnectionPtr(opPtr.p->key);
     rep->setRequestType(opPtr.p->m_requestType);
     if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_ABORT)
       sendRef = false;
   } else {
+    sendRef = opPtr.p->hasError();
     rep->setUserRef(opPtr.p->m_request.getUserRef());
     rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
     rep->setRequestType(opPtr.p->m_request.getRequestType());
@@ -10925,14 +10929,16 @@ Dbdict::createTrigger_sendReply(Signal* signal, OpCreateTriggerPtr opPtr,
   CreateTrigRef* rep = (CreateTrigRef*)signal->getDataPtrSend();
   Uint32 gsn = GSN_CREATE_TRIG_CONF;
   Uint32 length = CreateTrigConf::InternalLength;
-  bool sendRef = opPtr.p->hasError();
+  bool sendRef;
   if (! toUser) {
+    sendRef = opPtr.p->hasLastError();
     rep->setUserRef(opPtr.p->m_coordinatorRef);
     rep->setConnectionPtr(opPtr.p->key);
     rep->setRequestType(opPtr.p->m_requestType);
     if (opPtr.p->m_requestType == CreateTrigReq::RT_DICT_ABORT)
       sendRef = false;
   } else {
+    sendRef = opPtr.p->hasError();
     rep->setUserRef(opPtr.p->m_request.getUserRef());
     rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
     rep->setRequestType(opPtr.p->m_request.getRequestType());
@@ -11020,8 +11026,10 @@ Dbdict::execDROP_TRIG_REQ(Signal* signal)
 	OpDropTrigger opBad;
 	opPtr.p = &opBad;
 	opPtr.p->save(req);
-	opPtr.p->m_errorCode = DropTrigRef::TriggerNotFound;
-	opPtr.p->m_errorLine = __LINE__;
+        if (! (req->getRequestFlag() & RequestFlag::RF_FORCE)) {
+          opPtr.p->m_errorCode = DropTrigRef::TriggerNotFound;
+          opPtr.p->m_errorLine = __LINE__;
+        }
 	dropTrigger_sendReply(signal,  opPtr, true);
 	return;
       }
@@ -11188,6 +11196,7 @@ Dbdict::dropTrigger_toAlterTrigger(Signal* signal, OpDropTriggerPtr opPtr)
   req->setUserRef(reference());
   req->setConnectionPtr(opPtr.p->key);
   req->setRequestType(AlterTrigReq::RT_DROP_TRIGGER);
+  req->addRequestFlag(opPtr.p->m_requestFlag);
   req->setTableId(opPtr.p->m_request.getTableId());
   req->setTriggerId(opPtr.p->m_request.getTriggerId());
   req->setTriggerInfo(0);       // not used
@@ -11283,14 +11292,16 @@ Dbdict::dropTrigger_sendReply(Signal* signal, OpDropTriggerPtr opPtr,
   DropTrigRef* rep = (DropTrigRef*)signal->getDataPtrSend();
   Uint32 gsn = GSN_DROP_TRIG_CONF;
   Uint32 length = DropTrigConf::InternalLength;
-  bool sendRef = opPtr.p->hasError();
+  bool sendRef;
   if (! toUser) {
+    sendRef = opPtr.p->hasLastError();
     rep->setUserRef(opPtr.p->m_coordinatorRef);
     rep->setConnectionPtr(opPtr.p->key);
     rep->setRequestType(opPtr.p->m_requestType);
     if (opPtr.p->m_requestType == DropTrigReq::RT_DICT_ABORT)
       sendRef = false;
   } else {
+    sendRef = opPtr.p->hasError();
     rep->setUserRef(opPtr.p->m_request.getUserRef());
     rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
     rep->setRequestType(opPtr.p->m_request.getRequestType());
@@ -11514,28 +11525,37 @@ Dbdict::alterTrigger_recvReply(Signal* signal, const AlterTrigConf* conf,
   if (! (opPtr.p->m_request.getRequestFlag() & RequestFlag::RF_NOTCTRIGGER)) {
     if (requestType == AlterTrigReq::RT_DICT_PREPARE) {
       jam();
-      if (opPtr.p->m_request.getOnline())
+      if (opPtr.p->m_request.getOnline()) {
+        jam();
         opPtr.p->m_requestType = AlterTrigReq::RT_DICT_TC;
-      else
+      } else {
+        jam();
         opPtr.p->m_requestType = AlterTrigReq::RT_DICT_LQH;
+      }
       alterTrigger_sendSlaveReq(signal, opPtr);
       return;
     }
     if (requestType == AlterTrigReq::RT_DICT_TC) {
       jam();
-      if (opPtr.p->m_request.getOnline())
+      if (opPtr.p->m_request.getOnline()) {
+        jam();
         opPtr.p->m_requestType = AlterTrigReq::RT_DICT_LQH;
-      else
+      } else {
+        jam();
         opPtr.p->m_requestType = AlterTrigReq::RT_DICT_COMMIT;
+      }
       alterTrigger_sendSlaveReq(signal, opPtr);
       return;
     }
     if (requestType == AlterTrigReq::RT_DICT_LQH) {
       jam();
-      if (opPtr.p->m_request.getOnline())
+      if (opPtr.p->m_request.getOnline()) {
+        jam();
         opPtr.p->m_requestType = AlterTrigReq::RT_DICT_COMMIT;
-      else
+      } else {
+        jam();
         opPtr.p->m_requestType = AlterTrigReq::RT_DICT_TC;
+      }
       alterTrigger_sendSlaveReq(signal, opPtr);
       return;
     }
@@ -11595,8 +11615,10 @@ Dbdict::alterTrigger_toCreateLocal(Signal* signal, OpAlterTriggerPtr opPtr)
   req->setUserRef(reference());
   req->setConnectionPtr(opPtr.p->key);
   if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
+    jam();
     req->setRequestType(CreateTrigReq::RT_TC);
   } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
+    jam();
     req->setRequestType(CreateTrigReq::RT_LQH);
   } else {
     ndbassert(false);
@@ -11613,8 +11635,10 @@ Dbdict::alterTrigger_toCreateLocal(Signal* signal, OpAlterTriggerPtr opPtr)
   req->setReceiverRef(opPtr.p->m_request.getReceiverRef());
   BlockReference blockRef = 0;
   if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
+    jam();
     blockRef = calcTcBlockRef(getOwnNodeId());
   } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
+    jam();
     blockRef = calcLqhBlockRef(getOwnNodeId());
   } else {
     ndbassert(false);
@@ -11628,13 +11652,15 @@ void
 Dbdict::alterTrigger_fromCreateLocal(Signal* signal, OpAlterTriggerPtr opPtr)
 {
   jam();
-  if (! opPtr.p->hasError()) {
+  if (! opPtr.p->hasLastError()) {
     // mark created locally
     TriggerRecordPtr triggerPtr;
     c_triggerRecordPool.getPtr(triggerPtr, opPtr.p->m_request.getTriggerId());
     if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
+      jam();
       triggerPtr.p->triggerLocal |= TriggerRecord::TL_CREATED_TC;
     } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
+      jam();
       triggerPtr.p->triggerLocal |= TriggerRecord::TL_CREATED_LQH;
     } else {
       ndbrequire(false);
@@ -11654,17 +11680,21 @@ Dbdict::alterTrigger_toDropLocal(Signal* signal, OpAlterTriggerPtr opPtr)
   req->setUserRef(reference());
   req->setConnectionPtr(opPtr.p->key);
   if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
-    // broken trigger
+    jam();
+    // broken trigger allowed if force
     if (! (triggerPtr.p->triggerLocal & TriggerRecord::TL_CREATED_TC)) {
       jam();
+      ndbrequire(opPtr.p->m_requestFlag & RequestFlag::RF_FORCE);
       alterTrigger_sendReply(signal, opPtr, false);
       return;
     }
     req->setRequestType(DropTrigReq::RT_TC);
   } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
-    // broken trigger
+    jam();
+    // broken trigger allowed if force
     if (! (triggerPtr.p->triggerLocal & TriggerRecord::TL_CREATED_LQH)) {
       jam();
+      ndbrequire(opPtr.p->m_requestFlag & RequestFlag::RF_FORCE);
       alterTrigger_sendReply(signal, opPtr, false);
       return;
     }
@@ -11682,8 +11712,10 @@ Dbdict::alterTrigger_toDropLocal(Signal* signal, OpAlterTriggerPtr opPtr)
   req->setMonitorAllAttributes(triggerPtr.p->monitorAllAttributes);
   BlockReference blockRef = 0;
   if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
+    jam();
     blockRef = calcTcBlockRef(getOwnNodeId());
   } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
+    jam();
     blockRef = calcLqhBlockRef(getOwnNodeId());
   } else {
     ndbassert(false);
@@ -11696,13 +11728,15 @@ void
 Dbdict::alterTrigger_fromDropLocal(Signal* signal, OpAlterTriggerPtr opPtr)
 {
   jam();
-  if (! opPtr.p->hasError()) {
+  if (! opPtr.p->hasLastError()) {
     // mark dropped locally
     TriggerRecordPtr triggerPtr;
     c_triggerRecordPool.getPtr(triggerPtr, opPtr.p->m_request.getTriggerId());
     if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
+      jam();
       triggerPtr.p->triggerLocal &= ~TriggerRecord::TL_CREATED_TC;
     } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
+      jam();
       triggerPtr.p->triggerLocal &= ~TriggerRecord::TL_CREATED_LQH;
     } else {
       ndbrequire(false);
@@ -11759,8 +11793,9 @@ Dbdict::alterTrigger_sendReply(Signal* signal, OpAlterTriggerPtr opPtr,
   AlterTrigRef* rep = (AlterTrigRef*)signal->getDataPtrSend();
   Uint32 gsn = GSN_ALTER_TRIG_CONF;
   Uint32 length = AlterTrigConf::InternalLength;
-  bool sendRef = opPtr.p->hasError();
+  bool sendRef;
   if (! toUser) {
+    sendRef = opPtr.p->hasLastError();
     rep->setUserRef(opPtr.p->m_coordinatorRef);
     rep->setConnectionPtr(opPtr.p->key);
     rep->setRequestType(opPtr.p->m_requestType);
@@ -11771,6 +11806,7 @@ Dbdict::alterTrigger_sendReply(Signal* signal, OpAlterTriggerPtr opPtr,
       jam();
     }
   } else {
+    sendRef = opPtr.p->hasError();
     jam();
     rep->setUserRef(opPtr.p->m_request.getUserRef());
     rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
diff --git a/ndb/src/kernel/blocks/dbdict/Dbdict.hpp b/ndb/src/kernel/blocks/dbdict/Dbdict.hpp
index abe253bcaa7..bcee4a52b6a 100644
--- a/ndb/src/kernel/blocks/dbdict/Dbdict.hpp
+++ b/ndb/src/kernel/blocks/dbdict/Dbdict.hpp
@@ -924,7 +924,8 @@ private:
     enum {
       RF_LOCAL = 1 << 0,        // create on local node only
       RF_NOBUILD = 1 << 1,      // no need to build index
-      RF_NOTCTRIGGER = 1 << 2   // alter trigger: no trigger in TC
+      RF_NOTCTRIGGER = 1 << 2,  // alter trigger: no trigger in TC
+      RF_FORCE = 1 << 4         // force drop
     };
   };
 
@@ -944,6 +945,7 @@ private:
     CreateIndxReq::RequestType m_requestType;
     Uint32 m_requestFlag;
     // error info
+    CreateIndxRef::ErrorCode m_lastError;
     CreateIndxRef::ErrorCode m_errorCode;
     Uint32 m_errorLine;
     Uint32 m_errorNode;
@@ -955,6 +957,7 @@ private:
       m_coordinatorRef = 0;
       m_requestType = CreateIndxReq::RT_UNDEFINED;
       m_requestFlag = 0;
+      m_lastError = CreateIndxRef::NoError;
       m_errorCode = CreateIndxRef::NoError;
       m_errorLine = 0;
       m_errorNode = 0;
@@ -964,34 +967,49 @@ private:
       m_requestType = req->getRequestType();
       m_requestFlag = req->getRequestFlag();
     }
+    bool hasLastError() {
+      return m_lastError != CreateIndxRef::NoError;
+    }
     bool hasError() {
       return m_errorCode != CreateIndxRef::NoError;
     }
     void setError(const CreateIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = CreateIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const CreateTableRef* ref) {
-      if (ref != 0 && ! hasError()) {
+      m_lastError = CreateIndxRef::NoError;
+      if (ref != 0) {
         switch (ref->getErrorCode()) {
         case CreateTableRef::TableAlreadyExist:
-          m_errorCode = CreateIndxRef::IndexExists;
+          m_lastError = CreateIndxRef::IndexExists;
           break;
         default:
-          m_errorCode = (CreateIndxRef::ErrorCode)ref->getErrorCode();
+          m_lastError = (CreateIndxRef::ErrorCode)ref->getErrorCode();
           break;
         }
-        m_errorLine = ref->getErrorLine();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+        }
       }
     }
     void setError(const AlterIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (CreateIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = CreateIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (CreateIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
   };
@@ -1010,6 +1028,7 @@ private:
     DropIndxReq::RequestType m_requestType;
     Uint32 m_requestFlag;
     // error info
+    DropIndxRef::ErrorCode m_lastError;
     DropIndxRef::ErrorCode m_errorCode;
     Uint32 m_errorLine;
     Uint32 m_errorNode;
@@ -1021,6 +1040,7 @@ private:
       m_coordinatorRef = 0;
       m_requestType = DropIndxReq::RT_UNDEFINED;
       m_requestFlag = 0;
+      m_lastError = DropIndxRef::NoError;
       m_errorCode = DropIndxRef::NoError;
       m_errorLine = 0;
       m_errorNode = 0;
@@ -1030,44 +1050,59 @@ private:
       m_requestType = req->getRequestType();
       m_requestFlag = req->getRequestFlag();
     }
+    bool hasLastError() {
+      return m_lastError != DropIndxRef::NoError;
+    }
     bool hasError() {
       return m_errorCode != DropIndxRef::NoError;
     }
     void setError(const DropIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = DropIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = ref->getErrorCode();
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const AlterIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (DropIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = DropIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (DropIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const DropTableRef* ref) {
-      if (ref != 0 && ! hasError()) {
-	switch(ref->errorCode) {
-	case(DropTableRef::Busy):
-	  m_errorCode = DropIndxRef::Busy;
+      m_lastError = DropIndxRef::NoError;
+      if (ref != 0) {
+	switch (ref->errorCode) {
+	case DropTableRef::Busy:
+	  m_lastError = DropIndxRef::Busy;
 	  break;
-	case(DropTableRef::NoSuchTable):
-	  m_errorCode = DropIndxRef::IndexNotFound;
+	case DropTableRef::NoSuchTable:
+	  m_lastError = DropIndxRef::IndexNotFound;
 	  break;
-	case(DropTableRef::DropInProgress):
-	  m_errorCode = DropIndxRef::Busy;
+	case DropTableRef::DropInProgress:
+	  m_lastError = DropIndxRef::Busy;
 	  break;
-	case(DropTableRef::NoDropTableRecordAvailable):
-	  m_errorCode = DropIndxRef::Busy;
+	case DropTableRef::NoDropTableRecordAvailable:
+	  m_lastError = DropIndxRef::Busy;
 	  break;
 	default:
-	  m_errorCode = (DropIndxRef::ErrorCode)ref->errorCode;
+	  m_lastError = (DropIndxRef::ErrorCode)ref->errorCode;
 	  break;
 	}
-        //m_errorLine = ref->getErrorLine();
-        //m_errorNode = ref->getErrorNode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = 0;
+          m_errorNode = 0;
+        }
       }
     }
   };
@@ -1088,6 +1123,7 @@ private:
     AlterIndxReq::RequestType m_requestType;
     Uint32 m_requestFlag;
     // error info
+    AlterIndxRef::ErrorCode m_lastError;
     AlterIndxRef::ErrorCode m_errorCode;
     Uint32 m_errorLine;
     Uint32 m_errorNode;
@@ -1100,6 +1136,7 @@ private:
       m_coordinatorRef = 0;
       m_requestType = AlterIndxReq::RT_UNDEFINED;
       m_requestFlag = 0;
+      m_lastError = AlterIndxRef::NoError;
       m_errorCode = AlterIndxRef::NoError;
       m_errorLine = 0;
       m_errorNode = 0;
@@ -1110,47 +1147,76 @@ private:
       m_requestType = req->getRequestType();
       m_requestFlag = req->getRequestFlag();
     }
+    bool hasLastError() {
+      return m_lastError != AlterIndxRef::NoError;
+    }
     bool hasError() {
       return m_errorCode != AlterIndxRef::NoError;
     }
     void setError(const AlterIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const CreateIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const DropIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const BuildIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterIndxRef::ErrorCode)ref->getErrorCode();
+      m_lastError = AlterIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = 0;
+          m_errorNode = 0;
+        }
       }
     }
     void setError(const CreateTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const DropTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
   };
@@ -1172,6 +1238,7 @@ private:
     Uint32 m_requestFlag;
     Uint32 m_constrTriggerId;
     // error info
+    BuildIndxRef::ErrorCode m_lastError;
     BuildIndxRef::ErrorCode m_errorCode;
     Uint32 m_errorLine;
     Uint32 m_errorNode;
@@ -1183,7 +1250,7 @@ private:
       m_coordinatorRef = 0;
       m_requestType = BuildIndxReq::RT_UNDEFINED;
       m_requestFlag = 0;
-//      Uint32 m_constrTriggerId = RNIL;
+      m_lastError = BuildIndxRef::NoError;
       m_errorCode = BuildIndxRef::NoError;
       m_errorLine = 0;
       m_errorNode = 0;
@@ -1193,33 +1260,54 @@ private:
       m_requestType = req->getRequestType();
       m_requestFlag = req->getRequestFlag();
     }
+    bool hasLastError() {
+      return m_lastError != BuildIndxRef::NoError;
+    }
     bool hasError() {
       return m_errorCode != BuildIndxRef::NoError;
     }
     void setError(const BuildIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = ref->getErrorCode();
+      m_lastError = BuildIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = 0;
+          m_errorNode = 0;
+        }
       }
     }
     void setError(const AlterIndxRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (BuildIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = BuildIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (BuildIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const CreateTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (BuildIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = BuildIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (BuildIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const DropTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (BuildIndxRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = BuildIndxRef::NoError;
+      if (ref != 0) {
+        m_lastError = (BuildIndxRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
   };
@@ -1352,6 +1440,7 @@ private:
     CreateTrigReq::RequestType m_requestType;
     Uint32 m_requestFlag;
     // error info
+    CreateTrigRef::ErrorCode m_lastError;
     CreateTrigRef::ErrorCode m_errorCode;
     Uint32 m_errorLine;
     Uint32 m_errorNode;
@@ -1363,6 +1452,7 @@ private:
       m_coordinatorRef = 0;
       m_requestType = CreateTrigReq::RT_UNDEFINED;
       m_requestFlag = 0;
+      m_lastError = CreateTrigRef::NoError;
       m_errorCode = CreateTrigRef::NoError;
       m_errorLine = 0;
       m_errorNode = 0;
@@ -1372,21 +1462,32 @@ private:
       m_requestType = req->getRequestType();
       m_requestFlag = req->getRequestFlag();
     }
+    bool hasLastError() {
+      return m_lastError != CreateTrigRef::NoError;
+    }
     bool hasError() {
       return m_errorCode != CreateTrigRef::NoError;
     }
     void setError(const CreateTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = CreateTrigRef::NoError;
+      if (ref != 0) {
+        m_lastError = ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const AlterTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (CreateTrigRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = CreateTrigRef::NoError;
+      if (ref != 0) {
+        m_lastError = (CreateTrigRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
   };
@@ -1405,6 +1506,7 @@ private:
     DropTrigReq::RequestType m_requestType;
     Uint32 m_requestFlag;
     // error info
+    DropTrigRef::ErrorCode m_lastError;
     DropTrigRef::ErrorCode m_errorCode;
     Uint32 m_errorLine;
     Uint32 m_errorNode;
@@ -1416,6 +1518,7 @@ private:
       m_coordinatorRef = 0;
       m_requestType = DropTrigReq::RT_UNDEFINED;
       m_requestFlag = 0;
+      m_lastError = DropTrigRef::NoError;
       m_errorCode = DropTrigRef::NoError;
       m_errorLine = 0;
       m_errorNode = 0;
@@ -1425,21 +1528,32 @@ private:
       m_requestType = req->getRequestType();
       m_requestFlag = req->getRequestFlag();
     }
+    bool hasLastError() {
+      return m_lastError != DropTrigRef::NoError;
+    }
     bool hasError() {
       return m_errorCode != DropTrigRef::NoError;
     }
     void setError(const DropTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = DropTrigRef::NoError;
+      if (ref != 0) {
+        m_lastError = ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const AlterTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (DropTrigRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = DropTrigRef::NoError;
+      if (ref != 0) {
+        m_lastError = (DropTrigRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
   };
@@ -1460,6 +1574,7 @@ private:
     AlterTrigReq::RequestType m_requestType;
     Uint32 m_requestFlag;
     // error info
+    AlterTrigRef::ErrorCode m_lastError;
     AlterTrigRef::ErrorCode m_errorCode;
     Uint32 m_errorLine;
     Uint32 m_errorNode;
@@ -1471,6 +1586,7 @@ private:
       m_coordinatorRef = 0;
       m_requestType = AlterTrigReq::RT_UNDEFINED;
       m_requestFlag = 0;
+      m_lastError = AlterTrigRef::NoError;
       m_errorCode = AlterTrigRef::NoError;
       m_errorLine = 0;
       m_errorNode = 0;
@@ -1480,28 +1596,43 @@ private:
       m_requestType = req->getRequestType();
       m_requestFlag = req->getRequestFlag();
     }
+    bool hasLastError() {
+      return m_lastError != AlterTrigRef::NoError;
+    }
     bool hasError() {
       return m_errorCode != AlterTrigRef::NoError;
     }
     void setError(const AlterTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterTrigRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterTrigRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterTrigRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const CreateTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterTrigRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterTrigRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterTrigRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
     void setError(const DropTrigRef* ref) {
-      if (ref != 0 && ! hasError()) {
-        m_errorCode = (AlterTrigRef::ErrorCode)ref->getErrorCode();
-        m_errorLine = ref->getErrorLine();
-        m_errorNode = ref->getErrorNode();
+      m_lastError = AlterTrigRef::NoError;
+      if (ref != 0) {
+        m_lastError = (AlterTrigRef::ErrorCode)ref->getErrorCode();
+        if (! hasError()) {
+          m_errorCode = m_lastError;
+          m_errorLine = ref->getErrorLine();
+          m_errorNode = ref->getErrorNode();
+        }
       }
     }
   };
diff --git a/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp b/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp
index f0861d1f0cc..04b40dafcb5 100644
--- a/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp
+++ b/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp
@@ -10833,6 +10833,7 @@ void Dbtc::execCREATE_TRIG_REQ(Signal* signal)
   if (ERROR_INSERTED(8033) ||
       !c_theDefinedTriggers.seizeId(triggerPtr, 
 				    createTrigReq->getTriggerId())) {
+    jam();
     CLEAR_ERROR_INSERT_VALUE;
     // Failed to allocate trigger record
     CreateTrigRef * const createTrigRef =  
@@ -10867,8 +10868,10 @@ void Dbtc::execDROP_TRIG_REQ(Signal* signal)
   DropTrigReq * const dropTrigReq =  (DropTrigReq *)&signal->theData[0];
   BlockReference sender = signal->senderBlockRef();
 
-  if ((c_theDefinedTriggers.getPtr(dropTrigReq->getTriggerId())) == NULL) {
+  if (ERROR_INSERTED(8035) ||
+      (c_theDefinedTriggers.getPtr(dropTrigReq->getTriggerId())) == NULL) {
     jam();
+    CLEAR_ERROR_INSERT_VALUE;
     // Failed to find find trigger record
     DropTrigRef * const dropTrigRef =  (DropTrigRef *)&signal->theData[0];
 
@@ -10900,6 +10903,7 @@ void Dbtc::execCREATE_INDX_REQ(Signal* signal)
   
   if (ERROR_INSERTED(8034) ||
       !c_theIndexes.seizeId(indexPtr, createIndxReq->getIndexId())) {
+    jam();
     CLEAR_ERROR_INSERT_VALUE;
     // Failed to allocate index record
      CreateIndxRef * const createIndxRef =  
@@ -11111,8 +11115,10 @@ void Dbtc::execDROP_INDX_REQ(Signal* signal)
   TcIndexData* indexData;
   BlockReference sender = signal->senderBlockRef();
   
-  if ((indexData = c_theIndexes.getPtr(dropIndxReq->getIndexId())) == NULL) {
+  if (ERROR_INSERTED(8036) ||
+      (indexData = c_theIndexes.getPtr(dropIndxReq->getIndexId())) == NULL) {
     jam();
+    CLEAR_ERROR_INSERT_VALUE;
     // Failed to find index record
     DropIndxRef * const dropIndxRef =  
       (DropIndxRef *)signal->getDataPtrSend();
diff --git a/ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp b/ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp
index 575d08efffc..0acfd390360 100644
--- a/ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp
+++ b/ndb/src/kernel/blocks/dbtup/DbtupTrigger.cpp
@@ -305,6 +305,10 @@ Dbtup::primaryKey(Tablerec* const regTabPtr, Uint32 attrId)
 Uint32
 Dbtup::dropTrigger(Tablerec* table, const DropTrigReq* req)
 {
+  if (ERROR_INSERTED(4004)) {
+    CLEAR_ERROR_INSERT_VALUE;
+    return 9999;
+  }
   Uint32 triggerId = req->getTriggerId();
 
   TriggerType::Value ttype = req->getTriggerType();