fix: output datablcok desc error

source/libs/planner/src/planPhysiCreater.c

@@ -195,7 +195,7 @@ static int32_t addDataBlockSlotsImpl(SPhysiPlanContext* pCxt, SNodeList* pList,
 
   int32_t   code = TSDB_CODE_SUCCESS;
   SHashObj* pHash = taosArrayGetP(pCxt->pLocationHelper, pDataBlockDesc->dataBlockId);
-  int16_t   nextSlotId = taosHashGetSize(pHash), slotId = 0;
+  int16_t   nextSlotId = LIST_LENGTH(pDataBlockDesc->pSlots), slotId = 0;
   SNode*    pNode = NULL;
   FOREACH(pNode, pList) {
     SNode*      pExpr = QUERY_NODE_ORDER_BY_EXPR == nodeType(pNode) ? ((SOrderByExprNode*)pNode)->pExpr : pNode;

source/libs/planner/test/planIntervalTest.cpp

@@ -48,6 +48,9 @@ TEST_F(PlanIntervalTest, fill) {
   run("SELECT _WSTART, TBNAME, COUNT(*) FROM st1 "
       "WHERE ts > '2022-04-01 00:00:00' and ts < '2022-04-30 23:59:59' "
       "PARTITION BY TBNAME INTERVAL(10s) FILL(PREV)");
+
+  run("SELECT COUNT(c1), MAX(c3), COUNT(c1) FROM t1 "
+      "WHERE ts > '2022-04-01 00:00:00' and ts < '2022-04-30 23:59:59' INTERVAL(10s) FILL(PREV)");
 }
 
 TEST_F(PlanIntervalTest, selectFunc) {