fix(query): projection for null input

source/libs/executor/src/executor.c

@@ -539,7 +539,7 @@ int32_t qExecTaskOpt(qTaskInfo_t tinfo, SArray* pResList, uint64_t* useconds, bo
       taosArrayPush(pTaskInfo->pResultBlockList, &p1);
       p = p1;
     } else {
-      p = *(SSDataBlock**) taosArrayGet(pTaskInfo->pResultBlockList, blockIndex);
+      p = *(SSDataBlock**)taosArrayGet(pTaskInfo->pResultBlockList, blockIndex);
       copyDataBlock(p, pRes);
     }
 
@@ -576,7 +576,7 @@ void qCleanExecTaskBlockBuf(qTaskInfo_t tinfo) {
   SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
   SArray*        pList = pTaskInfo->pResultBlockList;
   size_t         num = taosArrayGetSize(pList);
-  for(int32_t i = 0; i < num; ++i) {
+  for (int32_t i = 0; i < num; ++i) {
     SSDataBlock** p = taosArrayGet(pTaskInfo->pResultBlockList, i);
     blockDataDestroy(*p);
   }
@@ -747,11 +747,11 @@ int32_t qSerializeTaskStatus(qTaskInfo_t tinfo, char** pOutput, int32_t* len) {
   }
 
   int32_t nOptrWithVal = 0;
-//  int32_t code = encodeOperator(pTaskInfo->pRoot, pOutput, len, &nOptrWithVal);
-//  if ((code == TSDB_CODE_SUCCESS) && (nOptrWithVal == 0)) {
-//    taosMemoryFreeClear(*pOutput);
-//    *len = 0;
-//  }
+  //  int32_t code = encodeOperator(pTaskInfo->pRoot, pOutput, len, &nOptrWithVal);
+  //  if ((code == TSDB_CODE_SUCCESS) && (nOptrWithVal == 0)) {
+  //    taosMemoryFreeClear(*pOutput);
+  //    *len = 0;
+  //  }
   return 0;
 }
 
@@ -763,7 +763,7 @@ int32_t qDeserializeTaskStatus(qTaskInfo_t tinfo, const char* pInput, int32_t le
   }
 
   return 0;
-//  return decodeOperator(pTaskInfo->pRoot, pInput, len);
+  //  return decodeOperator(pTaskInfo->pRoot, pInput, len);
 }
 
 int32_t qExtractStreamScanner(qTaskInfo_t tinfo, void** scanner) {
@@ -890,35 +890,35 @@ int32_t qStreamRestoreParam(qTaskInfo_t tinfo) {
         pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_INTERVAL ||
         pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL) {
       SStreamIntervalOperatorInfo* pInfo = pOperator->info;
-      ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);
-      ASSERT(pInfo->twAggSup.deleteMark == INT64_MAX);
+      /*ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);*/
+      /*ASSERT(pInfo->twAggSup.deleteMark == INT64_MAX);*/
 
       pInfo->twAggSup.calTrigger = pInfo->twAggSup.calTriggerSaved;
       pInfo->twAggSup.deleteMark = pInfo->twAggSup.deleteMarkSaved;
-      ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE ||
-             pInfo->twAggSup.calTrigger == STREAM_TRIGGER_WINDOW_CLOSE);
+      /*ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE ||*/
+      /*pInfo->twAggSup.calTrigger == STREAM_TRIGGER_WINDOW_CLOSE);*/
       qInfo("restore stream param for interval: %d,  %" PRId64, pInfo->twAggSup.calTrigger, pInfo->twAggSup.deleteMark);
     } else if (pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION ||
                pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_SEMI_SESSION ||
                pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_SESSION) {
       SStreamSessionAggOperatorInfo* pInfo = pOperator->info;
-      ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);
-      ASSERT(pInfo->twAggSup.deleteMark == INT64_MAX);
+      /*ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);*/
+      /*ASSERT(pInfo->twAggSup.deleteMark == INT64_MAX);*/
 
       pInfo->twAggSup.calTrigger = pInfo->twAggSup.calTriggerSaved;
       pInfo->twAggSup.deleteMark = pInfo->twAggSup.deleteMarkSaved;
-      ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE ||
-             pInfo->twAggSup.calTrigger == STREAM_TRIGGER_WINDOW_CLOSE);
+      /*ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE ||*/
+      /*pInfo->twAggSup.calTrigger == STREAM_TRIGGER_WINDOW_CLOSE);*/
       qInfo("restore stream param for session: %d,  %" PRId64, pInfo->twAggSup.calTrigger, pInfo->twAggSup.deleteMark);
     } else if (pOperator->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_STATE) {
       SStreamStateAggOperatorInfo* pInfo = pOperator->info;
-      ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);
-      ASSERT(pInfo->twAggSup.deleteMark == INT64_MAX);
+      /*ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);*/
+      /*ASSERT(pInfo->twAggSup.deleteMark == INT64_MAX);*/
 
       pInfo->twAggSup.calTrigger = pInfo->twAggSup.calTriggerSaved;
       pInfo->twAggSup.deleteMark = pInfo->twAggSup.deleteMarkSaved;
-      ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE ||
-             pInfo->twAggSup.calTrigger == STREAM_TRIGGER_WINDOW_CLOSE);
+      /*ASSERT(pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE ||*/
+      /*pInfo->twAggSup.calTrigger == STREAM_TRIGGER_WINDOW_CLOSE);*/
       qInfo("restore stream param for state: %d,  %" PRId64, pInfo->twAggSup.calTrigger, pInfo->twAggSup.deleteMark);
     }
 
@@ -926,7 +926,7 @@ int32_t qStreamRestoreParam(qTaskInfo_t tinfo) {
     if (pOperator->numOfDownstream != 1 || pOperator->pDownstream[0] == NULL) {
       if (pOperator->numOfDownstream > 1) {
         qError("unexpected stream, multiple downstream");
-        ASSERT(0);
+        /*ASSERT(0);*/
         return -1;
       }
       return 0;

source/libs/executor/src/projectoperator.c

@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "filter.h"
 #include "executorimpl.h"
+#include "filter.h"
 #include "functionMgt.h"
 
 typedef struct SProjectOperatorInfo {
@@ -90,7 +90,7 @@ SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhys
 
   pInfo->binfo.pRes = pResBlock;
   pInfo->pFinalRes = createOneDataBlock(pResBlock, false);
-  pInfo->mergeDataBlocks = (pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM)? false:pProjPhyNode->mergeDataBlock;
+  pInfo->mergeDataBlocks = (pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM) ? false : pProjPhyNode->mergeDataBlock;
 
   int32_t numOfRows = 4096;
   size_t  keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
@@ -117,9 +117,10 @@ SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhys
 
   pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pOperator->exprSupp.pCtx, numOfCols);
 
-  setOperatorInfo(pOperator, "ProjectOperator", QUERY_NODE_PHYSICAL_PLAN_PROJECT, false, OP_NOT_OPENED, pInfo, pTaskInfo);
-  pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doProjectOperation, NULL,
-                                         destroyProjectOperatorInfo, optrDefaultBufFn, NULL);
+  setOperatorInfo(pOperator, "ProjectOperator", QUERY_NODE_PHYSICAL_PLAN_PROJECT, false, OP_NOT_OPENED, pInfo,
+                  pTaskInfo);
+  pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doProjectOperation, NULL, destroyProjectOperatorInfo,
+                                         optrDefaultBufFn, NULL);
 
   code = appendDownstream(pOperator, &downstream, 1);
   if (code != TSDB_CODE_SUCCESS) {
@@ -414,8 +415,10 @@ SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhy
   pInfo->binfo.pRes = pResBlock;
   pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pSup->pCtx, numOfExpr);
 
-  setOperatorInfo(pOperator, "IndefinitOperator", QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC, false, OP_NOT_OPENED, pInfo, pTaskInfo);
-  pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doApplyIndefinitFunction, NULL, destroyIndefinitOperatorInfo, optrDefaultBufFn, NULL);
+  setOperatorInfo(pOperator, "IndefinitOperator", QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC, false, OP_NOT_OPENED, pInfo,
+                  pTaskInfo);
+  pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doApplyIndefinitFunction, NULL, destroyIndefinitOperatorInfo,
+                                         optrDefaultBufFn, NULL);
 
   code = appendDownstream(pOperator, &downstream, 1);
   if (code != TSDB_CODE_SUCCESS) {
@@ -697,13 +700,30 @@ int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBloc
     if (pExpr[k].pExpr->nodeType == QUERY_NODE_COLUMN) {  // it is a project query
       SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
       if (pResult->info.rows > 0 && !createNewColModel) {
+        if (pInputData->pData[0] == NULL) {
+          int32_t slotId = pfCtx->param[0].pCol->slotId;
+
+          SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
+
+          colDataMergeCol(pColInfoData, pResult->info.rows, (int32_t*)&pResult->info.capacity, pInput,
+                          pSrcBlock->info.rows);
+        } else {
           colDataMergeCol(pColInfoData, pResult->info.rows, (int32_t*)&pResult->info.capacity, pInputData->pData[0],
                           pInputData->numOfRows);
-      } else {
-        colDataAssign(pColInfoData, pInputData->pData[0], pInputData->numOfRows, &pResult->info);
         }
+      } else {
+        if (pInputData->pData[0] == NULL) {
+          int32_t slotId = pfCtx->param[0].pCol->slotId;
 
+          SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
+          colDataAssign(pColInfoData, pInput, pSrcBlock->info.rows, &pResult->info);
+
+          numOfRows = pSrcBlock->info.rows;
+        } else {
+          colDataAssign(pColInfoData, pInputData->pData[0], pInputData->numOfRows, &pResult->info);
           numOfRows = pInputData->numOfRows;
+        }
+      }
     } else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
       SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);