Merge mronstrom@bk-internal.mysql.com:/home/bk/mysql-4.1

into mysql.com:/Users/mikron/mysql-4.1


ndb/src/ndbapi/Ndblist.cpp:
  Auto merged
ndb/test/include/HugoTransactions.hpp:
  Auto merged
ndb/test/src/HugoTransactions.cpp:
  Auto merged

ndb/src/kernel/blocks/dbacc/Dbacc.hpp

@@ -218,6 +218,7 @@ ndbout << "Ptr: " << ptr.p->word32 << " \tIndex: " << tmp_string << " \tValue: "
 #define ZREL_FRAG 6
 #define ZREL_DIR 7
 #define ZREPORT_MEMORY_USAGE 8
+#define ZLCP_OP_WRITE_RT_BREAK 9
 
 /* ------------------------------------------------------------------------- */
 /* ERROR CODES                                                               */
@@ -1190,6 +1191,7 @@ private:
   void zpagesize_error(const char* where);
 
   void reportMemoryUsage(Signal* signal, int gth);
+  void lcp_write_op_to_undolog(Signal* signal);
 
 
   // Initialisation

ndb/src/kernel/blocks/dbacc/DbaccMain.cpp

@@ -46,13 +46,17 @@ Dbacc::remainingUndoPages(){
   ndbrequire(HeadPage>=TailPage);
 
   Uint32 UsedPages = HeadPage - TailPage;
-  Uint32 Remaining = cundopagesize - UsedPages;
+  Int32 Remaining = cundopagesize - UsedPages;
 
   // There can not be more than cundopagesize remaining
-  ndbrequire(Remaining<=cundopagesize);
-
+  if (Remaining <= 0){
+    // No more undolog, crash node
+    progError(__LINE__,
+	      ERR_NO_MORE_UNDOLOG,
+	      "There are more than 1Mbyte undolog writes outstanding");
+  }
   return Remaining;
-}//Dbacc::remainingUndoPages()
+}
 
 void
 Dbacc::updateLastUndoPageIdWritten(Signal* signal, Uint32 aNewValue){
@@ -193,6 +197,17 @@ void Dbacc::execCONTINUEB(Signal* signal)
     return;
   }
 
+  case ZLCP_OP_WRITE_RT_BREAK:
+  {
+    operationRecPtr.i= signal->theData[1];
+    fragrecptr.i= signal->theData[2];
+    lcpConnectptr.i= signal->theData[3];
+    ptrCheckGuard(operationRecPtr, coprecsize, operationrec);
+    ptrCheckGuard(fragrecptr, cfragmentsize, fragmentrec);
+    ptrCheckGuard(lcpConnectptr, clcpConnectsize, lcpConnectrec);
+    lcp_write_op_to_undolog(signal);
+    return;
+  }
   default:
     ndbrequire(false);
     break;
@@ -7697,32 +7712,70 @@ void Dbacc::execACC_LCPREQ(Signal* signal)
   fragrecptr.p->lcpMaxOverDirIndex = fragrecptr.p->lastOverIndex;
   fragrecptr.p->createLcp = ZTRUE;
   operationRecPtr.i = fragrecptr.p->lockOwnersList;
-  while (operationRecPtr.i != RNIL) {
+  lcp_write_op_to_undolog(signal);
+}
+
+void
+Dbacc::lcp_write_op_to_undolog(Signal* signal)
+{
+  bool delay_continueb= false;
+  Uint32 i, j;
+  for (i= 0; i < 16; i++) {
     jam();
-    ptrCheckGuard(operationRecPtr, coprecsize, operationrec);
+    if (remainingUndoPages() <= ZMIN_UNDO_PAGES_AT_COMMIT) {
+      jam();
+      delay_continueb= true;
+      break;
+    }
+    for (j= 0; j < 32; j++) {
+      if (operationRecPtr.i == RNIL) {
+        jam();
+        break;
+      }
+      jam();
+      ptrCheckGuard(operationRecPtr, coprecsize, operationrec);
 
-    if ((operationRecPtr.p->operation == ZINSERT) ||
-	(operationRecPtr.p->elementIsDisappeared == ZTRUE)){
+      if ((operationRecPtr.p->operation == ZINSERT) ||
+          (operationRecPtr.p->elementIsDisappeared == ZTRUE)){
       /*******************************************************************
        * Only log inserts and elements that are marked as dissapeared.
        * All other operations update the element header and that is handled
        * when pages are written to disk
        ********************************************************************/
-      undopageptr.i = (cundoposition>>ZUNDOPAGEINDEXBITS) & (cundopagesize-1);
-      ptrAss(undopageptr, undopage);
-      theadundoindex = cundoposition & ZUNDOPAGEINDEX_MASK;
-      tundoindex = theadundoindex + ZUNDOHEADSIZE;
-
-      writeUndoOpInfo(signal);/* THE INFORMATION ABOUT ELEMENT HEADER, STORED*/
-                              /* IN OP REC, IS WRITTEN AT UNDO PAGES */
-      cundoElemIndex = 0;/* DEFAULT VALUE USED BY WRITE_UNDO_HEADER SUBROTINE */
-      writeUndoHeader(signal, RNIL, UndoHeader::ZOP_INFO); /* WRITE THE HEAD OF THE UNDO ELEMENT */
-      checkUndoPages(signal);	/* SEND UNDO PAGE TO DISK WHEN A GROUP OF  */
-                                /* UNDO PAGES,CURRENTLY 8, IS FILLED */
-    }//if
+        undopageptr.i = (cundoposition>>ZUNDOPAGEINDEXBITS) & (cundopagesize-1);
+        ptrAss(undopageptr, undopage);
+        theadundoindex = cundoposition & ZUNDOPAGEINDEX_MASK;
+        tundoindex = theadundoindex + ZUNDOHEADSIZE;
 
-    operationRecPtr.i = operationRecPtr.p->nextLockOwnerOp;
-  }//while
+        writeUndoOpInfo(signal);/* THE INFORMATION ABOUT ELEMENT HEADER, STORED*/
+                                /* IN OP REC, IS WRITTEN AT UNDO PAGES */
+        cundoElemIndex = 0;/* DEFAULT VALUE USED BY WRITE_UNDO_HEADER SUBROTINE */
+        writeUndoHeader(signal, RNIL, UndoHeader::ZOP_INFO); /* WRITE THE HEAD OF THE UNDO ELEMENT */
+        checkUndoPages(signal);	/* SEND UNDO PAGE TO DISK WHEN A GROUP OF  */
+                                /* UNDO PAGES,CURRENTLY 8, IS FILLED */
+      }
+      operationRecPtr.i = operationRecPtr.p->nextLockOwnerOp;
+    }
+    if (operationRecPtr.i == RNIL) {
+      jam();
+      break;
+    }
+  }
+  if (operationRecPtr.i != RNIL) {
+    jam();
+    signal->theData[0]= ZLCP_OP_WRITE_RT_BREAK;
+    signal->theData[1]= operationRecPtr.i;
+    signal->theData[2]= fragrecptr.i;
+    signal->theData[3]= lcpConnectptr.i;
+    if (delay_continueb) {
+      jam();
+      sendSignalWithDelay(cownBlockref, GSN_CONTINUEB, signal, 10, 4);
+    } else {
+      jam();
+      sendSignal(cownBlockref, GSN_CONTINUEB, signal, 4, JBB);
+    }
+    return;
+  }
 
   signal->theData[0] = fragrecptr.p->lcpLqhPtr;
   sendSignal(lcpConnectptr.p->lcpUserblockref, GSN_ACC_LCPSTARTED, 
@@ -7735,8 +7788,7 @@ void Dbacc::execACC_LCPREQ(Signal* signal)
   signal->theData[0] = lcpConnectptr.i;
   signal->theData[1] = fragrecptr.i;
   sendSignal(cownBlockref, GSN_ACC_SAVE_PAGES, signal, 2, JBB);
-  return;
-}//Dbacc::execACC_LCPREQ()
+}
 
 /* ******************--------------------------------------------------------------- */
 /* ACC_SAVE_PAGES           A GROUP OF PAGES IS ALLOCATED. THE PAGES AND OVERFLOW    */
@@ -8595,12 +8647,6 @@ void Dbacc::checkUndoPages(Signal* signal)
    * RECORDS IN
    */
   Uint16 nextUndoPageId = tundoPageId + 1;
-  if (nextUndoPageId > (clastUndoPageIdWritten + cundopagesize)){
-    // No more undolog, crash node
-    progError(__LINE__,
-	      ERR_NO_MORE_UNDOLOG,
-	      "There are more than 1Mbyte undolog writes outstanding");
-  }
   updateUndoPositionPage(signal, nextUndoPageId << ZUNDOPAGEINDEXBITS);
 
   if ((tundoPageId & (ZWRITE_UNDOPAGESIZE - 1)) == (ZWRITE_UNDOPAGESIZE - 1)) {

ndb/src/ndbapi/Ndblist.cpp

@@ -589,13 +589,14 @@ Ndb::releaseSignal(NdbApiSignal* aSignal)
 #if defined VM_TRACE
   // Check that signal is not null
   assert(aSignal != NULL);
-
+#if 0
   // Check that signal is not already in list
   NdbApiSignal* tmp = theSignalIdleList;
   while (tmp != NULL){
     assert(tmp != aSignal);
     tmp = tmp->next();
   }
+#endif
 #endif
   creleaseSignals++;
   aSignal->next(theSignalIdleList);

ndb/test/include/HugoTransactions.hpp

@@ -34,7 +34,8 @@ public:
 		int records,
 		int batch = 512,
 		bool allowConstraintViolation = true,
-		int doSleep = 0);
+		int doSleep = 0,
+                bool oneTrans = false);
   int scanReadRecords(Ndb*, 
 		      int records,
 		      int abort = 0,

ndb/test/ndbapi/testBasic.cpp

@@ -29,9 +29,18 @@
  *  delete should be visible to same transaction
  *  
  */
+int runLoadTable2(NDBT_Context* ctx, NDBT_Step* step)
+{
+  int records = ctx->getNumRecords();
+  HugoTransactions hugoTrans(*ctx->getTab());
+  if (hugoTrans.loadTable(GETNDB(step), records, 512, false, 0, true) != 0){
+    return NDBT_FAILED;
+  }
+  return NDBT_OK;
+}
 
-int runLoadTable(NDBT_Context* ctx, NDBT_Step* step){
-
+int runLoadTable(NDBT_Context* ctx, NDBT_Step* step)
+{
   int records = ctx->getNumRecords();
   HugoTransactions hugoTrans(*ctx->getTab());
   if (hugoTrans.loadTable(GETNDB(step), records) != 0){
@@ -1255,6 +1264,11 @@ TESTCASE("MassiveRollback2",
   INITIALIZER(runMassiveRollback2);
   FINALIZER(runClearTable2);
 }
+TESTCASE("MassiveTransaction",
+         "Test very large insert transaction"){
+  INITIALIZER(runLoadTable2);
+  FINALIZER(runClearTable2);
+}
 NDBT_TESTSUITE_END(testBasic);
 
 int main(int argc, const char** argv){

ndb/test/src/HugoTransactions.cpp

@@ -693,12 +693,14 @@ HugoTransactions::loadTable(Ndb* pNdb,
 			    int records,
 			    int batch,
 			    bool allowConstraintViolation,
-			    int doSleep){
+			    int doSleep,
+                            bool oneTrans){
   int             check;
   int             retryAttempt = 0;
   int             retryMax = 5;
   NdbConnection   *pTrans;
   NdbOperation	  *pOp;
+  bool            first_batch = true;
 
   const int org = batch;
   const int cols = tab.getNoOfColumns();
@@ -707,7 +709,7 @@ HugoTransactions::loadTable(Ndb* pNdb,
   batch = (batch * 256); // -> 512 -> 65536k per commit
   batch = batch/bytes;   // 
   batch = batch == 0 ? 1 : batch;
-  
+ 
   if(batch != org){
     g_info << "batch = " << org << " rowsize = " << bytes
 	   << " -> rows/commit = " << batch << endl;
@@ -715,7 +717,7 @@ HugoTransactions::loadTable(Ndb* pNdb,
   
   g_info << "|- Inserting records..." << endl;
   for (int c=0 ; c<records ; ){
-
+    bool closeTrans;
     if (retryAttempt >= retryMax){
       g_info << "Record " << c << " could not be inserted, has retried "
 	     << retryAttempt << " times " << endl;
@@ -726,19 +728,22 @@ HugoTransactions::loadTable(Ndb* pNdb,
     if (doSleep > 0)
       NdbSleep_MilliSleep(doSleep);
 
-    pTrans = pNdb->startTransaction();
-
-    if (pTrans == NULL) {
-      const NdbError err = pNdb->getNdbError();
+    if (first_batch || !oneTrans) {
+      first_batch = false;
+      pTrans = pNdb->startTransaction();
+    
+      if (pTrans == NULL) {
+        const NdbError err = pNdb->getNdbError();
 
-      if (err.status == NdbError::TemporaryError){
-	ERR(err);
-	NdbSleep_MilliSleep(50);
-	retryAttempt++;
-	continue;
+        if (err.status == NdbError::TemporaryError){
+          ERR(err);
+	  NdbSleep_MilliSleep(50);
+	  retryAttempt++;
+	  continue;
+        }
+        ERR(err);
+        return NDBT_FAILED;
       }
-      ERR(err);
-      return NDBT_FAILED;
     }
 
     for(int b = 0; b < batch && c+b<records; b++){ 
@@ -768,7 +773,13 @@ HugoTransactions::loadTable(Ndb* pNdb,
     }
     
     // Execute the transaction and insert the record
-    check = pTrans->execute( Commit ); 
+    if (!oneTrans || (c + batch) >= records) {
+      closeTrans = true;
+      check = pTrans->execute( Commit );
+    } else {
+      closeTrans = false;
+      check = pTrans->execute( NoCommit );
+    }
     if(check == -1 ) {
       const NdbError err = pTrans->getNdbError();
       pNdb->closeTransaction(pTrans);
@@ -811,8 +822,10 @@ HugoTransactions::loadTable(Ndb* pNdb,
 	break;
       }
     }
-    else{      
-      pNdb->closeTransaction(pTrans);
+    else{
+      if (closeTrans) {
+        pNdb->closeTransaction(pTrans);
+      }
     }
     
     // Step to next record