Merge tsmith@bk-internal.mysql.com:/home/bk/mysql-5.0-ndb

into  quadxeon.mysql.com:/benchmarks/ext3/TOSAVE/tsmith/bk/mar20/maint/50

16 files changed, 1159 insertions, 12 deletions

diff --git a/ndb/src/kernel/blocks/ERROR_codes.txt b/ndb/src/kernel/blocks/ERROR_codes.txt
index f7cb49014cb..9c2b441e7be 100644
--- a/ndb/src/kernel/blocks/ERROR_codes.txt
+++ b/ndb/src/kernel/blocks/ERROR_codes.txt
@@ -5,7 +5,7 @@ Next DBACC 3002
 Next DBTUP 4014
 Next DBLQH 5043
 Next DBDICT 6007
-Next DBDIH 7181
+Next DBDIH 7183
 Next DBTC 8039
 Next CMVMI 9000
 Next BACKUP 10022
@@ -489,3 +489,15 @@ Dbdict:
 6003 Crash in participant @ CreateTabReq::Prepare
 6004 Crash in participant @ CreateTabReq::Commit
 6005 Crash in participant @ CreateTabReq::CreateDrop
+
+TUP:
+----
+
+4025: Fail all inserts with out of memory
+4026: Fail one insert with oom
+4027: Fail inserts randomly with oom
+4028: Fail one random insert with oom
+
+NDBCNTR:
+
+1000: Crash insertion on SystemError::CopyFragRef
diff --git a/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp b/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
index 160a5fc135a..44cfa344ab3 100644
--- a/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
+++ b/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
@@ -4811,6 +4811,15 @@ void Dbdih::execMASTER_GCPREQ(Signal* signal)
   } else {
     ndbrequire(failedNodePtr.p->nodeStatus == NodeRecord::DYING);
   }//if
+
+  if (ERROR_INSERTED(7181))
+  {
+    ndbout_c("execGCP_TCFINISHED in MASTER_GCPREQ");
+    CLEAR_ERROR_INSERT_VALUE;
+    signal->theData[1] = coldgcp;
+    execGCP_TCFINISHED(signal);
+  }
+  
   MasterGCPConf::State gcpState;
   switch (cgcpParticipantState) {
   case GCP_PARTICIPANT_READY:
@@ -4877,6 +4886,14 @@ void Dbdih::execMASTER_GCPREQ(Signal* signal)
     masterGCPConf->lcpActive[i] = SYSFILE->lcpActive[i];
   sendSignal(newMasterBlockref, GSN_MASTER_GCPCONF, signal, 
              MasterGCPConf::SignalLength, JBB);
+
+  if (ERROR_INSERTED(7182))
+  {
+    ndbout_c("execGCP_TCFINISHED in MASTER_GCPREQ");
+    CLEAR_ERROR_INSERT_VALUE;
+    signal->theData[1] = coldgcp;
+    execGCP_TCFINISHED(signal);
+  }
 }//Dbdih::execMASTER_GCPREQ()
 
 void Dbdih::execMASTER_GCPCONF(Signal* signal) 
@@ -7549,10 +7566,10 @@ void Dbdih::execGCP_NODEFINISH(Signal* signal)
   } else if (cmasterState == MASTER_TAKE_OVER_GCP) {
     jam();
     //-------------------------------------------------------------
-    // We are currently taking over as master. We will delay the
-    // signal until we have completed the take over gcp handling.
+    // We are currently taking over as master. Ignore
+    // signal in this case since we will discover it in reception of 
+    // MASTER_GCPCONF.
     //-------------------------------------------------------------
-    sendSignalWithDelay(reference(), GSN_GCP_NODEFINISH, signal, 20, 3);
     return;
   } else {
     ndbrequire(cmasterState == MASTER_ACTIVE);
@@ -7699,6 +7716,15 @@ void Dbdih::execGCP_TCFINISHED(Signal* signal)
   Uint32 gci = signal->theData[1];
   ndbrequire(gci == coldgcp);
 
+  if (ERROR_INSERTED(7181) || ERROR_INSERTED(7182))
+  {
+    ndbout_c("killing %d", refToNode(cmasterdihref));
+    signal->theData[0] = 9999;
+    sendSignal(numberToRef(CMVMI, refToNode(cmasterdihref)),
+	       GSN_NDB_TAMPER, signal, 1, JBB);
+    return;
+  }
+
   cgcpParticipantState = GCP_PARTICIPANT_TC_FINISHED;
   signal->theData[0] = cownNodeId;
   signal->theData[1] = coldgcp;
diff --git a/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp b/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp
index d73d15f416f..9944adf4ede 100644
--- a/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp
+++ b/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp
@@ -9634,6 +9634,15 @@ void Dblqh::copyCompletedLab(Signal* signal)
     closeCopyLab(signal);
     return;
   }//if
+
+  if (scanptr.p->scanState == ScanRecord::WAIT_LQHKEY_COPY &&
+      scanptr.p->scanErrorCounter)
+  {
+    jam();
+    closeCopyLab(signal);
+    return;
+  }
+  
   if (scanptr.p->scanState == ScanRecord::WAIT_LQHKEY_COPY) {
     jam();
 /*---------------------------------------------------------------------------*/
@@ -9710,13 +9719,16 @@ void Dblqh::continueCopyAfterBlockedLab(Signal* signal)
 void Dblqh::copyLqhKeyRefLab(Signal* signal) 
 {
   ndbrequire(tcConnectptr.p->transid[1] == signal->theData[4]);
-  tcConnectptr.p->copyCountWords -= signal->theData[3];
+  Uint32 copyWords = signal->theData[3];
   scanptr.i = tcConnectptr.p->tcScanRec;
   c_scanRecordPool.getPtr(scanptr);
   scanptr.p->scanErrorCounter++;
   tcConnectptr.p->errorCode = terrorCode;
-  closeCopyLab(signal);
-  return;
+  
+  LqhKeyConf* conf = (LqhKeyConf*)signal->getDataPtrSend();
+  conf->transId1 = copyWords;
+  conf->transId2 = tcConnectptr.p->transid[1];
+  copyCompletedLab(signal);
 }//Dblqh::copyLqhKeyRefLab()
 
 void Dblqh::closeCopyLab(Signal* signal) 
@@ -9727,6 +9739,7 @@ void Dblqh::closeCopyLab(Signal* signal)
 // Wait until all of those have arrived until we start the
 // close process.
 /*---------------------------------------------------------------------------*/
+    scanptr.p->scanState = ScanRecord::WAIT_LQHKEY_COPY;
     jam();
     return;
   }//if
diff --git a/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp b/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp
index 42b86102dff..72ef9a274ec 100644
--- a/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp
+++ b/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp
@@ -212,6 +212,30 @@ void Dbtup::execTUP_ALLOCREQ(Signal* signal)
 //---------------------------------------------------
   PagePtr pagePtr;
   Uint32 pageOffset;
+
+  if (ERROR_INSERTED(4025))
+  {
+    signal->theData[0] = 827;
+    return;
+  }
+  if (ERROR_INSERTED(4026))
+  {
+    CLEAR_ERROR_INSERT_VALUE;
+    signal->theData[0] = 827;
+    return;
+  }
+  if (ERROR_INSERTED(4027) && (rand() % 100) > 25)
+  {
+    signal->theData[0] = 827;
+    return;
+  }
+  if (ERROR_INSERTED(4028) && (rand() % 100) > 25)
+  {
+    CLEAR_ERROR_INSERT_VALUE;
+    signal->theData[0] = 827;
+    return;
+  }
+  
   if (!allocTh(regFragPtr.p,
                regTabPtr.p,
                NORMAL_PAGE,
diff --git a/ndb/src/kernel/blocks/dbtup/DbtupGen.cpp b/ndb/src/kernel/blocks/dbtup/DbtupGen.cpp
index 0f83c45077b..df8df2d29f3 100644
--- a/ndb/src/kernel/blocks/dbtup/DbtupGen.cpp
+++ b/ndb/src/kernel/blocks/dbtup/DbtupGen.cpp
@@ -65,6 +65,7 @@ void Dbtup::initData()
   undoPage = 0;
   totNoOfPagesAllocated = 0;
   cnoOfAllocatedPages = 0;
+  CLEAR_ERROR_INSERT_VALUE;
   
   // Records with constant sizes
 }//Dbtup::initData()
@@ -568,7 +569,6 @@ void Dbtup::execSTTOR(Signal* signal)
   switch (startPhase) {
   case ZSTARTPHASE1:
     ljam();
-    CLEAR_ERROR_INSERT_VALUE;
     cownref = calcTupBlockRef(0);
     break;
   default:
diff --git a/ndb/src/kernel/blocks/ndbcntr/NdbcntrMain.cpp b/ndb/src/kernel/blocks/ndbcntr/NdbcntrMain.cpp
index b3f35f12b52..5d34d3f1126 100644
--- a/ndb/src/kernel/blocks/ndbcntr/NdbcntrMain.cpp
+++ b/ndb/src/kernel/blocks/ndbcntr/NdbcntrMain.cpp
@@ -179,6 +179,7 @@ void Ndbcntr::execSYSTEM_ERROR(Signal* signal)
     break;
 
   case SystemError::CopyFragRefError:
+    CRASH_INSERTION(1000);
     BaseString::snprintf(buf, sizeof(buf), 
 			 "Killed by node %d as "
 			 "copyfrag failed, error: %u",
diff --git a/ndb/src/mgmclient/CommandInterpreter.cpp b/ndb/src/mgmclient/CommandInterpreter.cpp
index 356cc8823ea..e3ca1efeeea 100644
--- a/ndb/src/mgmclient/CommandInterpreter.cpp
+++ b/ndb/src/mgmclient/CommandInterpreter.cpp
@@ -2119,6 +2119,7 @@ CommandInterpreter::executeStatus(int processId,
   }
   if (cl->node_states[i].node_type != NDB_MGM_NODE_TYPE_NDB){
     if (cl->node_states[i].version != 0){
+      version = cl->node_states[i].version;
       ndbout << "Node "<< cl->node_states[i].node_id <<": connected" ;
       ndbout_c(" (Version %d.%d.%d)",
              getMajor(version) ,
@@ -2128,7 +2129,7 @@ CommandInterpreter::executeStatus(int processId,
     }else
      ndbout << "Node "<< cl->node_states[i].node_id <<": not connected" << endl;
     return 0;
-  } 
+  }
   status = cl->node_states[i].node_status;
   startPhase = cl->node_states[i].start_phase;
   version = cl->node_states[i].version;
diff --git a/ndb/src/mgmsrv/ConfigInfo.cpp b/ndb/src/mgmsrv/ConfigInfo.cpp
index 994c4893005..0cf37b5f874 100644
--- a/ndb/src/mgmsrv/ConfigInfo.cpp
+++ b/ndb/src/mgmsrv/ConfigInfo.cpp
@@ -458,7 +458,7 @@ const ConfigInfo::ParamInfo ConfigInfo::m_ParamInfo[] = {
     ConfigInfo::CI_INT,
     "128",
     "8",
-    STR_VALUE(MAX_INT_RNIL) },
+    STR_VALUE(MAX_TABLES) },
   
   {
     CFG_DB_NO_ORDERED_INDEXES,
@@ -565,7 +565,7 @@ const ConfigInfo::ParamInfo ConfigInfo::m_ParamInfo[] = {
     true,
     ConfigInfo::CI_INT,
     "0",
-    "1",
+    "0",
     "2" },
 
   {
diff --git a/ndb/src/ndbapi/NdbScanFilter.cpp b/ndb/src/ndbapi/NdbScanFilter.cpp
index 6ff7485416b..89abba2eddc 100644
--- a/ndb/src/ndbapi/NdbScanFilter.cpp
+++ b/ndb/src/ndbapi/NdbScanFilter.cpp
@@ -42,7 +42,9 @@ public:
 
   int m_label;
   State m_current;
+  Uint32 m_negative;    //used for translating NAND/NOR to AND/OR, equal 0 or 1 
   Vector<State> m_stack;
+  Vector<Uint32> m_stack2;    //to store info of m_negative
   NdbOperation * m_operation;
   Uint32 m_latestAttrib;
 
@@ -66,6 +68,7 @@ NdbScanFilter::NdbScanFilter(class NdbOperation * op)
   m_impl.m_label = 0;
   m_impl.m_latestAttrib = ~0;
   m_impl.m_operation = op;
+  m_impl.m_negative = 0;
 }
 
 NdbScanFilter::~NdbScanFilter(){
@@ -75,18 +78,39 @@ NdbScanFilter::~NdbScanFilter(){
 int
 NdbScanFilter::begin(Group group){
 
+  m_impl.m_stack2.push_back(m_impl.m_negative);
   switch(group){
   case NdbScanFilter::AND:
     INT_DEBUG(("Begin(AND)"));
+    if(m_impl.m_negative == 1){
+      group = NdbScanFilter::OR;
+    }
     break;
   case NdbScanFilter::OR:
     INT_DEBUG(("Begin(OR)"));
+    if(m_impl.m_negative == 1){
+      group = NdbScanFilter::AND;
+    }
     break;
   case NdbScanFilter::NAND:
     INT_DEBUG(("Begin(NAND)"));
+    if(m_impl.m_negative == 0){
+      group = NdbScanFilter::OR;
+      m_impl.m_negative = 1; 
+    }else{
+      group = NdbScanFilter::AND;
+      m_impl.m_negative = 0; 
+    }
     break;
   case NdbScanFilter::NOR:
     INT_DEBUG(("Begin(NOR)"));
+    if(m_impl.m_negative == 0){
+      group = NdbScanFilter::AND;
+      m_impl.m_negative = 1; 
+    }else{
+      group = NdbScanFilter::OR;
+      m_impl.m_negative = 0; 
+    }
     break;
   }
 
@@ -130,6 +154,13 @@ NdbScanFilter::begin(Group group){
 int
 NdbScanFilter::end(){
 
+  if(m_impl.m_stack2.size() == 0){
+    m_impl.m_operation->setErrorCodeAbort(4259);
+    return -1;
+  }
+  m_impl.m_negative = m_impl.m_stack2.back();
+  m_impl.m_stack2.erase(m_impl.m_stack2.size() - 1);
+
   switch(m_impl.m_current.m_group){
   case NdbScanFilter::AND:
     INT_DEBUG(("End(AND pc=%d)", m_impl.m_current.m_popCount));
@@ -151,6 +182,10 @@ NdbScanFilter::end(){
   }
   
   NdbScanFilterImpl::State tmp = m_impl.m_current;  
+  if(m_impl.m_stack.size() == 0){
+    m_impl.m_operation->setErrorCodeAbort(4259);
+    return -1;
+  }
   m_impl.m_current = m_impl.m_stack.back();
   m_impl.m_stack.erase(m_impl.m_stack.size() - 1);
   
@@ -395,8 +430,17 @@ NdbScanFilterImpl::cond_col_const(Interpreter::BinaryCondition op,
     m_operation->setErrorCodeAbort(4260);
     return -1;
   }
+
+  StrBranch2 branch;
+  if(m_negative == 1){  //change NdbOperation to its negative
+    if(m_current.m_group == NdbScanFilter::AND)
+      branch = table3[op].m_branches[(Uint32)(m_current.m_group) + 1];
+    if(m_current.m_group == NdbScanFilter::OR)
+      branch = table3[op].m_branches[(Uint32)(m_current.m_group) - 1];
+  }else{
+    branch = table3[op].m_branches[(Uint32)(m_current.m_group)];
+  }
   
-  StrBranch2 branch = table3[op].m_branches[m_current.m_group];
   const NdbDictionary::Column * col = 
     m_operation->m_currentTable->getColumn(AttrId);
   
diff --git a/ndb/test/include/NDBT_Test.hpp b/ndb/test/include/NDBT_Test.hpp
index c102c569933..e476a1a0759 100644
--- a/ndb/test/include/NDBT_Test.hpp
+++ b/ndb/test/include/NDBT_Test.hpp
@@ -325,6 +325,12 @@ public:
   // supply argc and argv as parameters
   int execute(int, const char**);
 
+  // NDBT's test tables are fixed and it always create 
+  // and drop fixed table when execute, add this method 
+  // in order to run CTX only and adapt to some new 
+  // customized testsuite
+  int executeOneCtx(Ndb_cluster_connection&,
+		 const NdbDictionary::Table* ptab, const char* testname = NULL);
 
   // These function can be used from main in the test program 
   // to control the behaviour of the testsuite
diff --git a/ndb/test/ndbapi/Makefile.am b/ndb/test/ndbapi/Makefile.am
index 4766e6b83b3..9019d71ada2 100644
--- a/ndb/test/ndbapi/Makefile.am
+++ b/ndb/test/ndbapi/Makefile.am
@@ -39,6 +39,7 @@ testOperations \
 testRestartGci \
 testScan \
 testInterpreter \
+testScanFilter \
 testScanInterpreter \
 testScanPerf \
 testSystemRestart \
@@ -83,6 +84,7 @@ testOperations_SOURCES = testOperations.cpp
 testRestartGci_SOURCES = testRestartGci.cpp
 testScan_SOURCES = testScan.cpp ScanFunctions.hpp
 testInterpreter_SOURCES = testInterpreter.cpp
+testScanFilter_SOURCES = testScanFilter.cpp
 testScanInterpreter_SOURCES = testScanInterpreter.cpp ScanFilter.hpp ScanInterpretTest.hpp 
 testScanPerf_SOURCES = testScanPerf.cpp
 testSystemRestart_SOURCES = testSystemRestart.cpp
diff --git a/ndb/test/ndbapi/testNodeRestart.cpp b/ndb/test/ndbapi/testNodeRestart.cpp
index a5e787dfd0e..26c8fe35011 100644
--- a/ndb/test/ndbapi/testNodeRestart.cpp
+++ b/ndb/test/ndbapi/testNodeRestart.cpp
@@ -1124,6 +1124,101 @@ runBug26481(NDBT_Context* ctx, NDBT_Step* step)
   return NDBT_OK;
 }
 
+int
+runBug27003(NDBT_Context* ctx, NDBT_Step* step)
+{
+  int result = NDBT_OK;
+  int loops = ctx->getNumLoops();
+  int records = ctx->getNumRecords();
+  NdbRestarter res;
+  
+  static const int errnos[] = { 4025, 4026, 4027, 4028, 0 };
+
+  int node = res.getRandomNotMasterNodeId(rand());
+  ndbout_c("node: %d", node);
+  if (res.restartOneDbNode(node, false, true, true))
+    return NDBT_FAILED;
+
+  Uint32 pos = 0;
+  for (Uint32 i = 0; i<loops; i++)
+  {
+    while (errnos[pos] != 0)
+    {
+      ndbout_c("Tesing err: %d", errnos[pos]);
+      
+      if (res.waitNodesNoStart(&node, 1))
+	return NDBT_FAILED;
+
+      if (res.insertErrorInNode(node, 1000))
+	return NDBT_FAILED;
+      
+      if (res.insertErrorInNode(node, errnos[pos]))
+	return NDBT_FAILED;
+      
+      int val2[] = { DumpStateOrd::CmvmiSetRestartOnErrorInsert, 1 };
+      if (res.dumpStateOneNode(node, val2, 2))
+	return NDBT_FAILED;
+      
+      res.startNodes(&node, 1);
+      res.waitNodesStartPhase(&node, 1, 2);
+      pos++;
+    }
+    pos = 0;
+  }
+
+  if (res.waitNodesNoStart(&node, 1))
+    return NDBT_FAILED;
+  
+  res.startNodes(&node, 1);
+  if (res.waitClusterStarted())
+    return NDBT_FAILED;
+  
+  return NDBT_OK;
+}
+
+
+int
+runBug27283(NDBT_Context* ctx, NDBT_Step* step)
+{
+  int result = NDBT_OK;
+  int loops = ctx->getNumLoops();
+  int records = ctx->getNumRecords();
+  NdbRestarter res;
+
+  if (res.getNumDbNodes() < 2)
+  {
+    return NDBT_OK;
+  }
+
+  static const int errnos[] = { 7181, 7182, 0 };
+  
+  Uint32 pos = 0;
+  for (Uint32 i = 0; i<loops; i++)
+  {
+    while (errnos[pos] != 0)
+    {
+      int master = res.getMasterNodeId();
+      int next = res.getNextMasterNodeId(master);
+      int next2 = res.getNextMasterNodeId(next);
+      
+      int node = (i & 1) ? next : next2;
+      ndbout_c("Tesing err: %d", errnos[pos]);
+      if (res.insertErrorInNode(next, errnos[pos]))
+	return NDBT_FAILED;
+
+      NdbSleep_SecSleep(3);
+      
+      if (res.waitClusterStarted())
+	return NDBT_FAILED;
+      
+      pos++;
+    }
+    pos = 0;
+  }
+  
+  return NDBT_OK;
+}
+
 NDBT_TESTSUITE(testNodeRestart);
 TESTCASE("NoLoad", 
 	 "Test that one node at a time can be stopped and then restarted "\
@@ -1451,6 +1546,12 @@ TESTCASE("Bug26457", ""){
 TESTCASE("Bug26481", ""){
   INITIALIZER(runBug26481);
 }
+TESTCASE("Bug27003", ""){
+  INITIALIZER(runBug27003);
+}
+TESTCASE("Bug27283", ""){
+  INITIALIZER(runBug27283);
+}
 NDBT_TESTSUITE_END(testNodeRestart);
 
 int main(int argc, const char** argv){
diff --git a/ndb/test/ndbapi/testScanFilter.cpp b/ndb/test/ndbapi/testScanFilter.cpp
new file mode 100644
index 00000000000..e195c04bd93
--- /dev/null
+++ b/ndb/test/ndbapi/testScanFilter.cpp
@@ -0,0 +1,851 @@
+/* Copyright (C) 2007, Justin He, MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <NDBT.hpp>
+#include <NDBT_Test.hpp>
+
+#define ERR_EXIT(obj, msg) \
+do \
+{ \
+fprintf(stderr, "%s: %s (%d) in %s:%d\n", \
+msg, obj->getNdbError().message, obj->getNdbError().code, __FILE__, __LINE__); \
+exit(-1); \
+} \
+while (0);
+
+#define PRINT_ERROR(code,msg) \
+do \
+{ \
+fprintf(stderr, "Error in %s, line: %d, code: %d, msg: %s.\n", __FILE__, __LINE__, code, msg); \
+} \
+while (0);
+
+#define MYSQLERROR(mysql) { \
+  PRINT_ERROR(mysql_errno(&mysql),mysql_error(&mysql)); \
+  exit(-1); }
+#define APIERROR(error) { \
+  PRINT_ERROR(error.code,error.message); \
+  exit(-1); }
+
+#define TEST_NAME "TestScanFilter" 
+#define TABLE_NAME "TABLE_SCAN"
+
+const char *COL_NAME[] = {"id", "i", "j", "k", "l", "m", "n"}; 
+const char COL_LEN = 7;
+/*
+* Not to change TUPLE_NUM, because the column in TABLE_NAME is fixed,
+* there are six columns, 'i', 'j', 'k', 'l', 'm', 'n', and each on is equal to 1 or 1,
+* Since each tuple should be unique in this case, then TUPLE_NUM = 2 power 6 = 64 
+*/
+const int TUPLE_NUM = (int)pow(2, COL_LEN-1);    
+
+/*
+* the recursive level of random scan filter, can 
+* modify this parameter more or less, range from 
+* 1 to 100, larger num consumes more scan time
+*/
+const int RECURSIVE_LEVEL = 10;
+
+const int MAX_STR_LEN = (RECURSIVE_LEVEL * (COL_LEN+1) * 4);
+
+/*
+* Each time stands for one test, it will produce a random 
+* filter string, and scan through ndb api and through 
+* calculation with tuples' data, then compare the result, 
+* if they are equal, this test passed, or failed.
+* Only all TEST_NUM times tests passed, we can believe 
+* the suite of test cases are okay.
+* Change TEST_NUM to larger will need more time to test
+*/
+const int TEST_NUM = 5000;
+
+
+/* Table definition*/
+static
+const
+NDBT_Attribute MYTAB1Attribs[] = {
+  NDBT_Attribute("id", NdbDictionary::Column::Unsigned, 1, true), 
+  NDBT_Attribute("i", NdbDictionary::Column::Unsigned),
+  NDBT_Attribute("j", NdbDictionary::Column::Unsigned),
+  NDBT_Attribute("k", NdbDictionary::Column::Unsigned),
+  NDBT_Attribute("l", NdbDictionary::Column::Unsigned),
+  NDBT_Attribute("m", NdbDictionary::Column::Unsigned),
+  NDBT_Attribute("n", NdbDictionary::Column::Unsigned),
+};
+static
+const
+NDBT_Table MYTAB1(TABLE_NAME, sizeof(MYTAB1Attribs)/sizeof(NDBT_Attribute), MYTAB1Attribs);
+
+
+int createTable(Ndb* pNdb, const NdbDictionary::Table* tab, bool _temp, 
+			 bool existsOk, NDBT_CreateTableHook f)
+{
+  int r = 0;
+  do{
+    NdbDictionary::Table tmpTab(* tab);
+    tmpTab.setStoredTable(_temp ? 0 : 1);
+    if(f != 0 && f(pNdb, tmpTab, 0))
+    {
+      ndbout << "Failed to create table" << endl;
+      return NDBT_FAILED;
+    }      
+    r = pNdb->getDictionary()->createTable(tmpTab);
+    if(r == -1){
+      if(!existsOk){
+	ndbout << "Error: " << pNdb->getDictionary()->getNdbError() << endl;
+	break;
+      }
+      if(pNdb->getDictionary()->getNdbError().code != 721){
+	ndbout << "Error: " << pNdb->getDictionary()->getNdbError() << endl;
+	break;
+      }
+      r = 0;
+    }
+  }while(false);
+  
+  return r;
+}
+
+/*
+* Function to produce the tuples' data
+*/
+int runPopulate(NDBT_Context* ctx, NDBT_Step* step)
+{
+  Ndb *myNdb = GETNDB(step);
+  const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
+  const NdbDictionary::Table *myTable= myDict->getTable(TABLE_NAME);
+  if(myTable == NULL) 
+    APIERROR(myDict->getNdbError());
+
+  NdbTransaction* myTrans = myNdb->startTransaction();
+  if (myTrans == NULL)
+    APIERROR(myNdb->getNdbError());
+
+  for(int num = 0; num < TUPLE_NUM; num++) 
+  {
+    NdbOperation* myNdbOperation = myTrans->getNdbOperation(myTable);
+    if(myNdbOperation == NULL) 
+    {
+      APIERROR(myTrans->getNdbError());
+    }
+
+/* the tuples' data in TABLE_NAME
++----+---+---+---+---+---+---+
+| id | i | j | k | l | m | n |
++----+---+---+---+---+---+---+
+|  0 | 0 | 0 | 0 | 0 | 0 | 0 |
+|  1 | 0 | 0 | 0 | 0 | 0 | 1 |
+|  2 | 0 | 0 | 0 | 0 | 1 | 0 |
+|  3 | 0 | 0 | 0 | 0 | 1 | 1 |
+|  4 | 0 | 0 | 0 | 1 | 0 | 0 |
+|  5 | 0 | 0 | 0 | 1 | 0 | 1 |
+|  6 | 0 | 0 | 0 | 1 | 1 | 0 |
+|  7 | 0 | 0 | 0 | 1 | 1 | 1 |
+|  8 | 0 | 0 | 1 | 0 | 0 | 0 |
+|  9 | 0 | 0 | 1 | 0 | 0 | 1 |
+| 10 | 0 | 0 | 1 | 0 | 1 | 0 |
+| 11 | 0 | 0 | 1 | 0 | 1 | 1 |
+| 12 | 0 | 0 | 1 | 1 | 0 | 0 |
+| 13 | 0 | 0 | 1 | 1 | 0 | 1 |
+| 14 | 0 | 0 | 1 | 1 | 1 | 0 |
+| 15 | 0 | 0 | 1 | 1 | 1 | 1 |
+| 16 | 0 | 1 | 0 | 0 | 0 | 0 |
+| 17 | 0 | 1 | 0 | 0 | 0 | 1 |
+| 18 | 0 | 1 | 0 | 0 | 1 | 0 |
+| 19 | 0 | 1 | 0 | 0 | 1 | 1 |
+| 20 | 0 | 1 | 0 | 1 | 0 | 0 |
+| 21 | 0 | 1 | 0 | 1 | 0 | 1 |
+| 22 | 0 | 1 | 0 | 1 | 1 | 0 |
+| 23 | 0 | 1 | 0 | 1 | 1 | 1 |
+| 24 | 0 | 1 | 1 | 0 | 0 | 0 |
+| 25 | 0 | 1 | 1 | 0 | 0 | 1 |
+| 26 | 0 | 1 | 1 | 0 | 1 | 0 |
+| 27 | 0 | 1 | 1 | 0 | 1 | 1 |
+| 28 | 0 | 1 | 1 | 1 | 0 | 0 |
+| 29 | 0 | 1 | 1 | 1 | 0 | 1 |
+| 30 | 0 | 1 | 1 | 1 | 1 | 0 |
+| 31 | 0 | 1 | 1 | 1 | 1 | 1 |
+| 32 | 1 | 0 | 0 | 0 | 0 | 0 |
+| 33 | 1 | 0 | 0 | 0 | 0 | 1 |
+| 34 | 1 | 0 | 0 | 0 | 1 | 0 |
+| 35 | 1 | 0 | 0 | 0 | 1 | 1 |
+| 36 | 1 | 0 | 0 | 1 | 0 | 0 |
+| 37 | 1 | 0 | 0 | 1 | 0 | 1 |
+| 38 | 1 | 0 | 0 | 1 | 1 | 0 |
+| 39 | 1 | 0 | 0 | 1 | 1 | 1 |
+| 40 | 1 | 0 | 1 | 0 | 0 | 0 |
+| 41 | 1 | 0 | 1 | 0 | 0 | 1 |
+| 42 | 1 | 0 | 1 | 0 | 1 | 0 |
+| 43 | 1 | 0 | 1 | 0 | 1 | 1 |
+| 44 | 1 | 0 | 1 | 1 | 0 | 0 |
+| 45 | 1 | 0 | 1 | 1 | 0 | 1 |
+| 46 | 1 | 0 | 1 | 1 | 1 | 0 |
+| 47 | 1 | 0 | 1 | 1 | 1 | 1 |
+| 48 | 1 | 1 | 0 | 0 | 0 | 0 |
+| 49 | 1 | 1 | 0 | 0 | 0 | 1 |
+| 50 | 1 | 1 | 0 | 0 | 1 | 0 |
+| 51 | 1 | 1 | 0 | 0 | 1 | 1 |
+| 52 | 1 | 1 | 0 | 1 | 0 | 0 |
+| 53 | 1 | 1 | 0 | 1 | 0 | 1 |
+| 54 | 1 | 1 | 0 | 1 | 1 | 0 |
+| 55 | 1 | 1 | 0 | 1 | 1 | 1 |
+| 56 | 1 | 1 | 1 | 0 | 0 | 0 |
+| 57 | 1 | 1 | 1 | 0 | 0 | 1 |
+| 58 | 1 | 1 | 1 | 0 | 1 | 0 |
+| 59 | 1 | 1 | 1 | 0 | 1 | 1 |
+| 60 | 1 | 1 | 1 | 1 | 0 | 0 |
+| 61 | 1 | 1 | 1 | 1 | 0 | 1 |
+| 62 | 1 | 1 | 1 | 1 | 1 | 0 |
+| 63 | 1 | 1 | 1 | 1 | 1 | 1 |
++----+---+---+---+---+---+---+
+*/
+    myNdbOperation->insertTuple();
+    myNdbOperation->equal(COL_NAME[0], num);
+    for(int col = 1; col < COL_LEN; col++)
+    {
+      myNdbOperation->setValue(COL_NAME[col], (num>>(COL_LEN-1-col))&1);
+    }
+  }
+
+  int check = myTrans->execute(NdbTransaction::Commit);
+
+  myTrans->close();
+
+  if (check == -1)
+    return NDBT_FAILED;
+  else
+    return NDBT_OK;
+
+}
+
+
+
+/*
+* a=AND, o=OR, A=NAND, O=NOR
+*/
+char op_string[] = "aoAO";
+/*
+* the six columns' name of test table
+*/
+char col_string[] = "ijklmn";
+const int op_len = strlen(op_string);
+const int col_len = strlen(col_string);
+
+/*
+* get a random op from "aoAO"
+*/
+int get_rand_op_ch(char *ch)
+{
+  static unsigned int num = 0;
+  if(++num == 0) 
+    num = 1;
+  srand(num*time(NULL));
+  *ch = op_string[rand() % op_len];
+  return 1;
+}
+
+/*
+* get a random order form of "ijklmn" trough exchanging letter
+*/
+void change_col_order()
+{
+  int pos1,pos2;
+  char temp;
+  for (int i = 0; i < 10; i++)  //exchange for 10 times
+  {
+    srand(time(NULL)/(i+1));
+    pos1 = rand() % col_len;
+    srand((i+1)*time(NULL));
+    pos2 = rand() % col_len;
+    if (pos1 == pos2)
+      continue;
+    temp = col_string[pos1];
+    col_string[pos1] = col_string[pos2];
+    col_string[pos2] = temp; 
+  }
+}
+
+/*
+* get a random sub string of "ijklmn" 
+*/
+int get_rand_col_str(char *str)
+{
+  int len;
+  static unsigned int num = 0;
+  if(++num == 0) 
+    num = 1;
+  srand(num*time(NULL));
+  len = rand() % col_len + 1;
+  change_col_order();
+  snprintf(str, len+1, "%s", col_string);  //len+1, including '\0'
+  return len;
+}
+
+/*
+* get a random string including operation and column 
+* eg, Alnikx
+*/
+int get_rand_op_str(char *str)
+{
+  char temp[256];
+  int len1, len2, len;
+  len1 = get_rand_op_ch(temp);
+  len2 = get_rand_col_str(temp+len1);
+  len = len1 + len2;
+  temp[len] = 'x';
+  snprintf(str, len+1+1, "%s", temp);  //len+1, including '\0'
+  return len+1;
+}
+
+/*
+* replace a letter of source string with a new string 
+* e.g., source string: 'Aijkx', replace i with new string 'olmx'
+* then source string is changed to 'Aolmxjkx'
+* source: its format should be produced from get_rand_op_str() 
+* pos: range from 1 to strlen(source)-2
+*/
+int replace_a_to_str(char *source, int pos, char *newstr)
+{
+  char temp[MAX_STR_LEN];
+  snprintf(temp, pos+1, "%s", source);
+  snprintf(temp+pos, strlen(newstr)+1, "%s", newstr);
+  snprintf(temp+pos+strlen(newstr), strlen(source)-pos, "%s", source+pos+1);
+  snprintf(source, strlen(temp)+1, "%s", temp); 
+  return strlen(source);
+}
+
+/*
+* check whether the inputed char is an operation 
+*/
+bool check_op(char ch)
+{
+  if( ch == 'a' || ch == 'A' || ch == 'o' || ch == 'O')
+    return true;
+  else
+    return false;
+}
+
+/*
+* check whether the inputed char is end flag 
+*/
+bool check_end(char ch)
+{
+  return (ch == 'x');
+}
+
+/*
+* check whether the inputed char is end flag 
+*/
+bool check_col(char ch)
+{
+  if( ch == 'i' || ch == 'j' || ch == 'k' 
+    || ch == 'l' || ch == 'm' || ch == 'n' )
+    return true;
+  else
+    return false;
+}
+
+/*
+* To ensure we can get a random string with RECURSIVE_LEVEL,
+* we need a position where can replace a letter with a new string. 
+*/
+int get_rand_replace_pos(char *str, int len)
+{
+  int pos_op = 0;
+  int pos_x = 0;
+  int pos_col = 0;
+  int span = 0;
+  static int num = 0;
+  char temp;
+
+  for(int i = 0; i < len; i++)
+  {
+    temp = str[i];
+    if(! check_end(temp))
+    {
+      if(check_op(temp))  
+        pos_op = i;
+    }
+    else
+    {
+      pos_x = i;
+      break;
+    }
+  }
+
+  if(++num == 0) 
+    num = 1;
+
+  span = pos_x - pos_op - 1;
+  if(span <= 1)
+  {
+    pos_col = pos_op + 1;
+  }
+  else
+  {
+    srand(num*time(NULL));
+    pos_col = pos_op + rand() % span + 1;
+  }
+  return pos_col;
+}
+
+/*
+* Check whether the given random string is valid
+* and applicable for this test case
+*/
+bool check_random_str(char *str)
+{
+  char *p;
+  int op_num = 0;
+  int end_num = 0;
+
+  for(p = str; *p; p++)
+  {
+    bool tmp1 = false, tmp2 = false;
+    if(tmp1 = check_op(*p))
+      op_num++;
+    if(tmp2 = check_end(*p))
+      end_num++;
+    if(!(tmp1 || tmp2 || check_col(*p)))   //there are illegal letters
+      return false;
+  }
+
+  if(op_num != end_num)     //begins are not equal to ends
+    return false;
+
+  return true;
+}
+
+/*
+* Get a random string with RECURSIVE_LEVEL 
+*/
+void get_rand_op_str_compound(char *str)
+{
+  char small_str[256];
+  int pos;
+  int tmp;
+  int level;
+  static int num = 0;
+
+  if(++num == 0)
+    num = 1;
+
+  srand(num*time(NULL));
+  level = 1 + rand() % RECURSIVE_LEVEL;
+ 
+  get_rand_op_str(str);
+
+  for(int i = 0; i < level; i++)
+  {
+    get_rand_op_str(small_str);
+    tmp = strlen(small_str);
+    get_rand_op_str(small_str + tmp);   //get two operations
+    pos = get_rand_replace_pos(str, strlen(str));
+    replace_a_to_str(str, pos, small_str);
+  }
+
+  //check the random string
+  if(!check_random_str(str))
+  {
+    fprintf(stderr, "Error random string! \n");
+    exit(-1);
+  }
+}
+
+/*
+* get column id of i,j,k,l,m,n
+*/
+int get_column_id(char ch)
+{
+  return (ch - 'i' + 1);  //from 1 to 6
+}
+
+/*
+* check whether column value of the NO. tuple is equal to 1
+* col_id: column id, range from 1 to 6
+* tuple_no: record NO., range from 0 to 63 
+*/
+bool check_col_equal_one(int tuple_no, int col_id)
+{
+  int i = (int)pow(2, 6 - col_id);
+  int j = tuple_no / i;
+  if(j % 2)
+    return true;
+  else
+    return false;
+}
+
+/*
+* get a result after all elements in the array with AND
+* value: pointer to a bool array
+* len: length of the bool array
+*/
+bool AND_op(bool *value, int len)
+{
+  for(int i = 0; i < len; i++)
+  {
+    if(! value[i])
+      return false;
+  }
+  return true;
+}
+
+/*
+* get a result after all elements in the array with OR
+* value: pointer to a bool array
+* len: length of the bool array
+*/
+bool OR_op(bool *value, int len)
+{
+  for(int i = 0; i < len; i++)
+  {
+    if(value[i])
+      return true;
+  }
+  return false;
+}
+
+/*
+* get a result after all elements in the array with NAND
+* value: pointer to a bool array
+* len: length of the bool array
+*/
+bool NAND_op(bool *value, int len)
+{
+  return (! AND_op(value, len));
+}
+
+/*
+* get a result after all elements in the array with NOR
+* value: pointer to a bool array
+* len: length of the bool array
+*/
+bool NOR_op(bool *value, int len)
+{
+  return (! OR_op(value, len));
+}
+
+/*
+* AND/NAND/OR/NOR operation for a bool array 
+*/
+bool calculate_one_op(char op_type, bool *value, int len)
+{
+  switch(op_type)
+  {
+    case 'a':
+      return AND_op(value, len);
+      break;
+    case 'o':
+      return OR_op(value, len);
+      break;
+    case 'A':
+      return NAND_op(value, len);
+      break;
+    case 'O':
+      return NOR_op(value, len);
+      break;
+  }
+  return false;   //make gcc happy
+}
+
+typedef struct _stack_element
+{
+  char type;
+  int num;
+}stack_element;
+
+/*
+* stack_op, store info for AND,OR,NAND,NOR
+* stack_col, store value of column(i,j,k,l,m,n) and temporary result for an operation
+*/
+stack_element stack_op[RECURSIVE_LEVEL * COL_LEN];
+bool stack_col[RECURSIVE_LEVEL * COL_LEN * 2];
+
+/*
+* check whether the given tuple is chosen by judgement condition 
+* tuple_no, the NO of tuple in TABLE_NAME, range from 0 to TUPLE_NUM
+* str: a random string of scan opearation and condition
+* len: length of str
+*/
+bool check_one_tuple(int tuple_no, char *str, int len)
+{
+  int pop_op = 0;
+  int pop_col = 0;
+  for(int i = 0; i < len; i++)
+  {
+    char letter = *(str + i);
+    if(check_op(letter))    //push
+    {
+      stack_op[pop_op].type = letter;
+      stack_op[pop_op].num = 0;
+      pop_op++;
+    }
+    if(check_col(letter))   //push
+    {
+      stack_col[pop_col] = check_col_equal_one(tuple_no, get_column_id(letter));  
+      pop_col++;
+      stack_op[pop_op-1].num += 1;
+    }
+    if(check_end(letter))
+    {
+      if(pop_op <= 1)
+      {
+        return calculate_one_op(stack_op[pop_op-1].type, 
+                                stack_col, 
+                                stack_op[pop_op-1].num);
+      }
+      else
+      {
+        bool tmp1 = calculate_one_op(stack_op[pop_op-1].type, 
+                                    stack_col + pop_col - stack_op[pop_op-1].num, 
+                                    stack_op[pop_op-1].num);
+        pop_col -= stack_op[pop_op-1].num;    //pop
+        pop_op--;
+        stack_col[pop_col] = tmp1;    //push
+        pop_col++;
+        stack_op[pop_op-1].num += 1;
+      }
+    }
+  }
+  return false;   //make gcc happy
+}
+
+/*
+* get lists of tuples which match the scan condiction through calculating
+* str: a random string of scan opearation and condition
+*/
+void check_all_tuples(char *str, bool *res)
+{    
+  for (int i = 0; i < TUPLE_NUM; i++)
+  {
+    if(check_one_tuple(i, str, strlen(str)))
+      res[i] = true;
+  }
+}
+
+/*
+* convert a letter to group number what ndbapi need
+*/
+NdbScanFilter::Group get_api_group(char op_name)
+{
+  switch (op_name) {
+  case 'a': return NdbScanFilter::AND;
+  case 'o': return NdbScanFilter::OR;
+  case 'A': return NdbScanFilter::NAND;
+  case 'O': return NdbScanFilter::NOR;
+  default: 
+    fprintf(stderr, "Invalid group name %c !\n", op_name);
+    exit(3);
+  }
+}
+
+/*
+* with ndbapi, call begin, eq/ne/lt/gt/le/ge..., end
+*/
+NdbScanFilter * call_ndbapi(char *str, NdbTransaction *transaction, 
+  NdbScanOperation *scan, NdbDictionary::Column const *col[])
+{
+  NdbScanFilter *scanfilter = new NdbScanFilter(scan);
+  char *p;
+
+  for (p = str; *p; p++) 
+  {
+    if(check_op(*p))
+    {
+       if(scanfilter->begin(get_api_group(*p))) 
+          ERR_EXIT(transaction, "filter begin() failed");
+    }
+    if(check_col(*p))
+    {
+       if(scanfilter->eq(col[*p-'i'+1]->getColumnNo(), (Uint32)1)) 
+          ERR_EXIT(transaction, "filter eq() failed"); 
+    }
+    if(check_end(*p))
+    {
+      if(scanfilter->end()) 
+        ERR_EXIT(transaction, "filter end() failed");
+    }
+  }
+  
+  return scanfilter;
+}
+
+/*
+* get the tuples through ndbapi, and save the tuples NO.
+* str: a random string of scan opearation and condition
+*/
+void ndbapi_tuples(Ndb *ndb, char *str, bool *res)
+{
+	const NdbDictionary::Dictionary *dict  = ndb->getDictionary();
+	if (!dict) 
+    ERR_EXIT(ndb, "Can't get dict");
+
+	const NdbDictionary::Table *table = dict->getTable(TABLE_NAME);
+	if (!table) 
+    ERR_EXIT(dict, "Can't get table"TABLE_NAME);
+	
+	const NdbDictionary::Column *col[COL_LEN];
+  for(int i = 0; i < COL_LEN; i++)
+  {
+    char tmp[128];
+    col[i] = table->getColumn(COL_NAME[i]);
+	  if(!col[i]) 
+    {
+      snprintf(tmp, 128, "Can't get column %s", COL_NAME[i]);
+      ERR_EXIT(dict, tmp);
+    }
+  }
+
+  NdbTransaction *transaction;
+  NdbScanOperation *scan;
+  NdbScanFilter *filter;
+
+  transaction = ndb->startTransaction();
+  if (!transaction) 
+    ERR_EXIT(ndb, "Can't start transaction");
+
+  scan = transaction->getNdbScanOperation(table);	
+  if (!scan) 
+    ERR_EXIT(transaction, "Can't get scan op");
+	  
+  if (scan->readTuples(NdbOperation::LM_Exclusive)) 
+    ERR_EXIT(scan, "Can't set up read");
+  
+  NdbRecAttr *rec[COL_LEN];
+  for(int i = 0; i < COL_LEN; i++)
+  {
+    char tmp[128];
+    rec[i] = scan->getValue(COL_NAME[i]);
+	  if(!rec[i]) 
+    {
+      snprintf(tmp, 128, "Can't get rec of %s", COL_NAME[i]);
+      ERR_EXIT(scan, tmp);
+    }
+  }
+
+  filter = call_ndbapi(str, transaction, scan, col);
+	  
+  if (transaction->execute(NdbTransaction::NoCommit)) 
+    ERR_EXIT(transaction, "Can't execute");
+	  
+  int i,j,k,l,m,n;
+  while (scan->nextResult(true) == 0) 
+  {
+    do 
+    {
+      i = rec[1]->u_32_value();
+      j = rec[2]->u_32_value();
+      k = rec[3]->u_32_value();
+      l = rec[4]->u_32_value();
+      m = rec[5]->u_32_value();
+      n = rec[6]->u_32_value();
+      res[32*i+16*j+8*k+4*l+2*m+n] = true;
+    } while (scan->nextResult(false) == 0);
+  }
+	  
+  delete filter;
+  transaction->close();
+}
+
+/*
+* compare the result between calculation and NDBAPI
+* str: a random string of scan opearation and condition
+* return: true stands for ndbapi ok, false stands for ndbapi failed
+*/
+bool compare_cal_ndb(char *str, Ndb *ndb)
+{
+  bool res_cal[TUPLE_NUM], res_ndb[TUPLE_NUM];
+
+  for(int i = 0; i < TUPLE_NUM; i++)
+  {
+    res_cal[i] = false;
+    res_ndb[i] = false;
+  }
+
+  check_all_tuples(str, res_cal);
+  ndbapi_tuples(ndb, str, res_ndb);
+
+  for(int i = 0; i < TUPLE_NUM; i++)
+  {
+    if(res_cal[i] != res_ndb[i])
+      return false;
+  }
+  return true;
+}
+
+
+int runCreateTables(NDBT_Context* ctx, NDBT_Step* step)
+{
+  Ndb *pNdb = GETNDB(step);
+  pNdb->getDictionary()->dropTable(MYTAB1.getName());
+  int ret = createTable(pNdb, &MYTAB1, false, true, 0); 
+  if(ret)
+    return ret;
+  return NDBT_OK;
+}
+
+
+int runDropTables(NDBT_Context* ctx, NDBT_Step* step)
+{
+ int ret = GETNDB(step)->getDictionary()->dropTable(MYTAB1.getName());
+ if(ret == -1)
+   return NDBT_FAILED;
+  
+  return NDBT_OK;
+}
+
+int runScanRandomFilterTest(NDBT_Context* ctx, NDBT_Step* step)
+{
+  char random_str[MAX_STR_LEN];
+  Ndb *myNdb = GETNDB(step);
+  bool res = true;
+
+  for(int i = 0; i < TEST_NUM; i++)
+  {
+    get_rand_op_str_compound(random_str);
+    if( !compare_cal_ndb(random_str, myNdb)) 
+      return NDBT_FAILED;
+  }
+
+  return NDBT_OK;
+}
+
+NDBT_TESTSUITE(testScanFilter);
+TESTCASE(TEST_NAME, 
+	 "Scan table TABLE_NAME for the records which accord with \
+   conditions of logical scan operations: AND/OR/NAND/NOR")
+{
+  INITIALIZER(runCreateTables);
+  INITIALIZER(runPopulate);
+  INITIALIZER(runScanRandomFilterTest);
+  FINALIZER(runDropTables);
+}
+
+NDBT_TESTSUITE_END(testScanFilter);
+
+
+int main(int argc, const char** argv)
+{
+  ndb_init();
+
+  Ndb_cluster_connection con;
+  if(con.connect(12, 5, 1))
+  {
+    return NDBT_ProgramExit(NDBT_FAILED);
+  }
+  
+  return testScanFilter.executeOneCtx(con, &MYTAB1, TEST_NAME);
+}
diff --git a/ndb/test/run-test/daily-basic-tests.txt b/ndb/test/run-test/daily-basic-tests.txt
index 06cd0664186..a35b2b3f7c7 100644
--- a/ndb/test/run-test/daily-basic-tests.txt
+++ b/ndb/test/run-test/daily-basic-tests.txt
@@ -425,6 +425,14 @@ max-time: 500
 cmd: testScan
 args: -n Bug24447 T1
 
+max-time: 1000
+cmd: testNodeRestart
+args: -n Bug27003 T1
+
+max-time: 1000
+cmd: testNodeRestart
+args: -n Bug27283 T1
+
 max-time: 500
 cmd: testNodeRestart
 args: -n Bug15587 T1
diff --git a/ndb/test/src/NDBT_Test.cpp b/ndb/test/src/NDBT_Test.cpp
index 37100732eca..391af3e5d95 100644
--- a/ndb/test/src/NDBT_Test.cpp
+++ b/ndb/test/src/NDBT_Test.cpp
@@ -817,6 +817,63 @@ NDBT_TestSuite::executeOne(Ndb_cluster_connection& con,
   }
 }
 
+int 
+NDBT_TestSuite::executeOneCtx(Ndb_cluster_connection& con,
+			   const NdbDictionary::Table *ptab, const char* _testname){
+  
+  testSuiteTimer.doStart(); 
+  
+  do{
+    if(tests.size() == 0)
+      break;
+
+    Ndb ndb(&con, "TEST_DB");
+    ndb.init(1024);
+
+    int result = ndb.waitUntilReady(300); // 5 minutes
+    if (result != 0){
+      g_err << name <<": Ndb was not ready" << endl;
+      break;
+    }
+
+    ndbout << name << " started [" << getDate() << "]" << endl;
+    ndbout << "|- " << ptab->getName() << endl;
+
+    for (unsigned t = 0; t < tests.size(); t++){
+
+      if (_testname != NULL && 
+	      strcasecmp(tests[t]->getName(), _testname) != 0)
+        continue;
+
+      tests[t]->initBeforeTest();
+    
+      ctx = new NDBT_Context(con);
+      ctx->setTab(ptab);
+      ctx->setNumRecords(records);
+      ctx->setNumLoops(loops);
+      if(remote_mgm != NULL)
+        ctx->setRemoteMgm(remote_mgm);
+      ctx->setSuite(this);
+    
+      result = tests[t]->execute(ctx);
+      if (result != NDBT_OK)
+        numTestsFail++;
+      else
+        numTestsOk++;
+      numTestsExecuted++;
+
+    delete ctx;
+  }
+
+    if (numTestsFail > 0)
+      break;
+  }while(0);
+
+  testSuiteTimer.doStop();
+  int res = report(_testname);
+  return NDBT_ProgramExit(res);
+}
+
 void NDBT_TestSuite::execute(Ndb_cluster_connection& con,
 			     Ndb* ndb, const NdbDictionary::Table* pTab, 
 			     const char* _testname){
diff --git a/ndb/test/src/UtilTransactions.cpp b/ndb/test/src/UtilTransactions.cpp
index 3a166f19c92..011cea24af9 100644
--- a/ndb/test/src/UtilTransactions.cpp
+++ b/ndb/test/src/UtilTransactions.cpp
@@ -1381,6 +1381,7 @@ UtilTransactions::compare(Ndb* pNdb, const char* tab_name2, int flags){
       goto error;
     }
   
+    row_count= 0;
     {
       int eof;
       while((eof = pOp->nextResult(true)) == 0)