feature/scheduler

source/dnode/mnode/impl/src/mndDb.c

@@ -968,7 +968,7 @@ static int32_t mndProcessUseDbReq(SMnodeMsg *pReq) {
   char *p = strchr(usedbReq.db, '.');
   if (p && 0 == strcmp(p + 1, TSDB_INFORMATION_SCHEMA_DB)) {
     memcpy(usedbRsp.db, usedbReq.db, TSDB_DB_FNAME_LEN);
-    int32_t vgVersion = taosGetTimestampSec() / 300;
+    static int32_t vgVersion = 1;
     if (usedbReq.vgVersion < vgVersion) {
       usedbRsp.pVgroupInfos = taosArrayInit(10, sizeof(SVgroupInfo));
       if (usedbRsp.pVgroupInfos == NULL) {
@@ -977,12 +977,16 @@ static int32_t mndProcessUseDbReq(SMnodeMsg *pReq) {
       }
     
       mndBuildDBVgroupInfo(NULL, pMnode, usedbRsp.pVgroupInfos);
-      usedbRsp.vgVersion = vgVersion;
+      usedbRsp.vgVersion = vgVersion++;
+      
+      if (taosArrayGetSize(usedbRsp.pVgroupInfos) <= 0) {
+        terrno = TSDB_CODE_MND_DB_NOT_EXIST;
+      }
     } else {
       usedbRsp.vgVersion = usedbReq.vgVersion;
+      code = 0;
     }
     usedbRsp.vgNum = taosArrayGetSize(usedbRsp.pVgroupInfos);    
-    code = 0;
   } else {
     pDb = mndAcquireDb(pMnode, usedbReq.db);
     if (pDb == NULL) {

source/libs/executor/src/executorimpl.c

@@ -5052,7 +5052,7 @@ static SSDataBlock* concurrentlyLoadRemoteDataImpl(SOperatorInfo *pOperator, SEx
         qDebug("%s vgId:%d, taskID:0x%" PRIx64 " index:%d completed, rowsOfSource:%" PRIu64 ", totalRows:%" PRIu64 " try next",
                GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, i + 1, pDataInfo->totalRows,
                pExchangeInfo->loadInfo.totalRows);
-        pDataInfo->status = DATA_EXHAUSTED;
+        pDataInfo->status = EX_SOURCE_DATA_EXHAUSTED;
         completed += 1;
         continue;
       }
@@ -5206,8 +5206,6 @@ static SSDataBlock* doLoadRemoteData(void* param, bool* newgroup) {
 
   size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
   SLoadRemoteDataInfo* pLoadInfo = &pExchangeInfo->loadInfo;
-
-  size_t totalSources = taosArrayGetSize(pExchangeInfo->pSources);
   if (pOperator->status == OP_EXEC_DONE) {
     qDebug("%s all %"PRIzu" source(s) are exhausted, total rows:%"PRIu64" bytes:%"PRIu64", elapsed:%.2f ms", GET_TASKID(pTaskInfo), totalSources,
            pLoadInfo->totalRows, pLoadInfo->totalSize, pLoadInfo->totalElapsed/1000.0);
@@ -5605,7 +5603,7 @@ SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, SSDataB
   pOperator->status        = OP_IN_EXECUTING;
   pOperator->info          = pInfo;
   pOperator->numOfOutput   = pResBlock->info.numOfCols;
-  pOperator->nextDataFn    = doSysTableScan;
+  pOperator->getNextFn     = doSysTableScan;
   pOperator->closeFn       = destroySysTableScannerOperatorInfo;
   pOperator->pTaskInfo     = pTaskInfo;
 
@@ -7349,7 +7347,7 @@ SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SArray* pExp
   pOperator->pExpr        = exprArrayDup(pExprInfo);
   pOperator->numOfOutput  = taosArrayGetSize(pExprInfo);
 
-  pOperator->nextDataFn   = doProjectOperation;
+  pOperator->getNextFn    = doProjectOperation;
   pOperator->pTaskInfo    = pTaskInfo;
   pOperator->closeFn      = destroyProjectOperatorInfo;
   int32_t code = appendDownstream(pOperator, &downstream, 1);

source/libs/scheduler/src/scheduler.c

@@ -1371,6 +1371,7 @@ int32_t schBuildAndSendMsg(SSchJob *pJob, SSchTask *pTask, SQueryNodeAddr *addr,
 
       memcpy(pMsg->msg, pJob->sql, len);
       memcpy(pMsg->msg + len, pTask->msg, pTask->msgLen);
+      
       break;
     }