diff --git a/include/libs/function/functionMgt.h b/include/libs/function/functionMgt.h
index a471de3147a999afbec8346afb08ebc833699b12..992b99df60608c04337f8351987361ebfb89e7ce 100644
--- a/include/libs/function/functionMgt.h
+++ b/include/libs/function/functionMgt.h
@@ -139,10 +139,10 @@ bool fmIsSpecialDataRequiredFunc(int32_t funcId);
 bool fmIsDynamicScanOptimizedFunc(int32_t funcId);
 
 typedef enum EFuncDataRequired {
-  FUNC_DATA_REQUIRED_ALL_NEEDED = 1,
-  FUNC_DATA_REQUIRED_STATIS_NEEDED,
-  FUNC_DATA_REQUIRED_NO_NEEDED,
-  FUNC_DATA_REQUIRED_DISCARD
+  FUNC_DATA_REQUIRED_DATA_LOAD = 1,
+  FUNC_DATA_REQUIRED_STATIS_LOAD,
+  FUNC_DATA_REQUIRED_NOT_LOAD,
+  FUNC_DATA_REQUIRED_FILTEROUT,
 } EFuncDataRequired;
 
 EFuncDataRequired fmFuncDataRequired(SFunctionNode* pFunc, STimeWindow* pTimeWindow);
diff --git a/source/libs/executor/inc/executil.h b/source/libs/executor/inc/executil.h
index 8d88b94d6c717e783263eae0d8d617fa17cb9a53..1f3c003dfb1fe03ac54f8320f02eedf557b515b6 100644
--- a/source/libs/executor/inc/executil.h
+++ b/source/libs/executor/inc/executil.h
@@ -42,10 +42,6 @@
 
 #define curTimeWindowIndex(_winres)        ((_winres)->curIndex)
 
-struct SColumnFilterElem;
-
-typedef bool (*__filter_func_t)(struct SColumnFilterElem* pFilter, const char* val1, const char* val2, int16_t type);
-
 typedef struct SGroupResInfo {
   int32_t totalGroup;
   int32_t currentGroup;
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 78bc6947cd9cedbcd44800b1445756e92ca83aea..ea2939055edcfe427389b55428929b5b6d8222a8 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -38,8 +38,6 @@ extern "C" {
 #include "tpagedbuf.h"
 #include "tmsg.h"
 
-struct SColumnFilterElem;
-
 typedef int32_t (*__block_search_fn_t)(char* data, int32_t num, int64_t key, int32_t order);
 
 #define IS_QUERY_KILLED(_q) ((_q)->code == TSDB_CODE_TSC_QUERY_CANCELLED)
@@ -225,8 +223,6 @@ typedef struct STaskRuntimeEnv {
   void*           qinfo;
   uint8_t         scanFlag;  // denotes reversed scan of data or not
   void*           pTsdbReadHandle;
-
-  int32_t         prevGroupId;  // previous executed group id
   bool            enableGroupData;
   SDiskbasedBuf*  pResultBuf;           // query result buffer based on blocked-wised disk file
   SHashObj*       pResultRowHashTable;  // quick locate the window object for each result
@@ -241,8 +237,6 @@ typedef struct STaskRuntimeEnv {
 
   char*           tagVal;  // tag value of current data block
   struct SScalarFunctionSupport* scalarSup;
-
-  SSDataBlock*    outputBuf;
   STableGroupInfo tableqinfoGroupInfo;  // this is a group array list, including SArray<STableQueryInfo*> structure
   struct SOperatorInfo* proot;
   SGroupResInfo   groupResInfo;
@@ -250,7 +244,6 @@ typedef struct STaskRuntimeEnv {
 
   STableQueryInfo* current;
   SResultInfo      resultInfo;
-  SHashObj*        pTableRetrieveTsMap;
   struct SUdfInfo* pUdfInfo;
 } STaskRuntimeEnv;
 
@@ -350,6 +343,7 @@ typedef struct STableScanInfo {
   int64_t         elapsedTime;
   int32_t         prevGroupId;  // previous table group id
   int32_t         scanFlag;  // table scan flag to denote if it is a repeat/reverse/main scan
+  int32_t         dataBlockLoadFlag;
 } STableScanInfo;
 
 typedef struct STagScanInfo {
@@ -616,7 +610,7 @@ void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock);
 SqlFunctionCtx* createSqlFunctionCtx(SExprInfo* pExprInfo, int32_t numOfOutput, int32_t** rowCellInfoOffset);
 
 SOperatorInfo* createExchangeOperatorInfo(const SNodeList* pSources, SSDataBlock* pBlock, SExecTaskInfo* pTaskInfo);
-SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order, int32_t numOfCols, int32_t repeatTime,
+SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order, int32_t numOfCols, int32_t dataLoadFlag, int32_t repeatTime,
                                            int32_t reverseTime, SArray* pColMatchInfo, SSDataBlock* pResBlock, SNode* pCondition, SExecTaskInfo* pTaskInfo);
 SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResultBlock,
                                            SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index c911aef45f3fc9deeae30d4432ffdbbfd114b776..cfa17ecd3c2d0366233eeb313a6ede6149be4927 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -271,7 +271,7 @@ static int compareRowData(const void* a, const void* b, const void* userData) {
 }
 
 // setup the output buffer for each operator
-SSDataBlock* createOutputBuf_rv1(SDataBlockDescNode* pNode) {
+SSDataBlock* createResDataBlock(SDataBlockDescNode* pNode) {
   int32_t numOfCols = LIST_LENGTH(pNode->pSlots);
 
   SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
@@ -6518,8 +6518,6 @@ static SSDataBlock* doTagScan(SOperatorInfo* pOperator, bool* newgroup) {
 
 SOperatorInfo* createTagScanOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SExprInfo* pExpr, int32_t numOfOutput) {
   STagScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STagScanInfo));
-  //  pInfo->pRes = createOutputBuf(pExpr, numOfOutput, pResultInfo->capacity);
-
   size_t numOfGroup = GET_NUM_OF_TABLEGROUP(pRuntimeEnv);
   assert(numOfGroup == 0 || numOfGroup == 1);
 
@@ -6747,13 +6745,13 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
       }
 
       SArray* pColList = extractColMatchInfo(pScanPhyNode->pScanCols, pScanPhyNode->node.pOutputDataBlockDesc, &numOfCols);
-      SSDataBlock* pResBlock = createOutputBuf_rv1(pScanPhyNode->node.pOutputDataBlockDesc);
+      SSDataBlock* pResBlock = createResDataBlock(pScanPhyNode->node.pOutputDataBlockDesc);
 
-      return createTableScanOperatorInfo(pDataReader, pScanPhyNode->order, numOfCols, pScanPhyNode->count,
+      return createTableScanOperatorInfo(pDataReader, pScanPhyNode->order, numOfCols, dataLoadFlag, pScanPhyNode->count,
                                          pScanPhyNode->reverse, pColList, pResBlock, pScanPhyNode->node.pConditions, pTaskInfo);
     } else if (QUERY_NODE_PHYSICAL_PLAN_EXCHANGE == type) {
       SExchangePhysiNode* pExchange = (SExchangePhysiNode*)pPhyNode;
-      SSDataBlock*        pResBlock = createOutputBuf_rv1(pExchange->node.pOutputDataBlockDesc);
+      SSDataBlock*        pResBlock = createResDataBlock(pExchange->node.pOutputDataBlockDesc);
       return createExchangeOperatorInfo(pExchange->pSrcEndPoints, pResBlock, pTaskInfo);
     } else if (QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN == type) {
       SScanPhysiNode* pScanPhyNode = (SScanPhysiNode*)pPhyNode;  // simple child table.
@@ -6761,7 +6759,7 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
       int32_t code = doCreateTableGroup(pHandle->meta, pScanPhyNode->tableType, pScanPhyNode->uid, pTableGroupInfo, queryId, taskId);
       SArray* tableIdList = extractTableIdList(pTableGroupInfo);
 
-      SSDataBlock* pResBlock = createOutputBuf_rv1(pScanPhyNode->node.pOutputDataBlockDesc);
+      SSDataBlock* pResBlock = createResDataBlock(pScanPhyNode->node.pOutputDataBlockDesc);
 
       int32_t numOfCols = 0;
       SArray* pColList = extractColMatchInfo(pScanPhyNode->pScanCols, pScanPhyNode->node.pOutputDataBlockDesc, &numOfCols);
@@ -6770,7 +6768,7 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
       return pOperator;
     } else if (QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN == type) {
       SSystemTableScanPhysiNode* pSysScanPhyNode = (SSystemTableScanPhysiNode*)pPhyNode;
-      SSDataBlock*               pResBlock = createOutputBuf_rv1(pSysScanPhyNode->scan.node.pOutputDataBlockDesc);
+      SSDataBlock*               pResBlock = createResDataBlock(pSysScanPhyNode->scan.node.pOutputDataBlockDesc);
 
       struct SScanPhysiNode* pScanNode = &pSysScanPhyNode->scan;
       SArray*                colList = extractScanColumnId(pScanNode->pScanCols);
@@ -6799,14 +6797,14 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
     SProjectPhysiNode* pProjPhyNode = (SProjectPhysiNode*) pPhyNode;
     SExprInfo*   pExprInfo = createExprInfo(pProjPhyNode->pProjections, NULL, &num);
 
-    SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
     SLimit limit = {.limit = pProjPhyNode->limit, .offset = pProjPhyNode->offset};
     SLimit slimit = {.limit = pProjPhyNode->slimit, .offset = pProjPhyNode->soffset};
     pOptr = createProjectOperatorInfo(ops[0], pExprInfo, num, pResBlock, &limit, &slimit, pTaskInfo);
   } else if (QUERY_NODE_PHYSICAL_PLAN_AGG == type) {
     SAggPhysiNode* pAggNode = (SAggPhysiNode*)pPhyNode;
     SExprInfo*     pExprInfo = createExprInfo(pAggNode->pAggFuncs, pAggNode->pGroupKeys, &num);
-    SSDataBlock*   pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock*   pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
 
     SExprInfo* pScalarExprInfo = NULL;
     int32_t numOfScalarExpr = 0;
@@ -6824,7 +6822,7 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
     SIntervalPhysiNode* pIntervalPhyNode = (SIntervalPhysiNode*)pPhyNode;
 
     SExprInfo*   pExprInfo = createExprInfo(pIntervalPhyNode->window.pFuncs, NULL, &num);
-    SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
 
     SInterval interval = {
         .interval     = pIntervalPhyNode->interval,
@@ -6840,7 +6838,7 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
   } else if (QUERY_NODE_PHYSICAL_PLAN_SORT == type) {
     SSortPhysiNode* pSortPhyNode = (SSortPhysiNode*)pPhyNode;
 
-    SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
     SArray*      info = createSortInfo(pSortPhyNode->pSortKeys, pSortPhyNode->pTargets);
     SArray*      slotMap = createIndexMap(pSortPhyNode->pTargets);
     pOptr = createSortOperatorInfo(ops[0], pResBlock, info, slotMap, pTaskInfo);
@@ -6848,12 +6846,12 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
     SSessionWinodwPhysiNode* pSessionNode = (SSessionWinodwPhysiNode*)pPhyNode;
 
     SExprInfo*   pExprInfo = createExprInfo(pSessionNode->window.pFuncs, NULL, &num);
-    SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
     pOptr = createSessionAggOperatorInfo(ops[0], pExprInfo, num, pResBlock, pSessionNode->gap, pTaskInfo);
   } else if (QUERY_NODE_PHYSICAL_PLAN_PARTITION == type) {
     SPartitionPhysiNode* pPartNode = (SPartitionPhysiNode*) pPhyNode;
     SArray* pColList = extractPartitionColInfo(pPartNode->pPartitionKeys);
-    SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
 
     SExprInfo* pExprInfo = createExprInfo(pPartNode->pTargets, NULL, &num);
     pOptr = createPartitionOperatorInfo(ops[0], pExprInfo, num, pResBlock, pColList, pTaskInfo, NULL);
@@ -6861,11 +6859,11 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
     SStateWinodwPhysiNode* pStateNode = (SStateWinodwPhysiNode*) pPhyNode;
 
     SExprInfo* pExprInfo = createExprInfo(pStateNode->window.pFuncs, NULL, &num);
-    SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
     pOptr = createStatewindowOperatorInfo(ops[0], pExprInfo, num, pResBlock, pTaskInfo);
   } else if (QUERY_NODE_PHYSICAL_PLAN_JOIN == type) {
     SJoinPhysiNode* pJoinNode = (SJoinPhysiNode*) pPhyNode;
-    SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
+    SSDataBlock* pResBlock = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
 
     SExprInfo* pExprInfo = createExprInfo(pJoinNode->pTargets, NULL, &num);
     pOptr = createJoinOperatorInfo(ops, size, pExprInfo, num, pResBlock, pJoinNode->pOnConditions, pTaskInfo);
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 901bfde6a4ae679bf04c365d9cb68fcdb0872c19..a2e68e34f1ee0dd3e95626b2e42d9b961fef408a 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -64,16 +64,19 @@ static void setupQueryRangeForReverseScan(STableScanInfo* pTableScanInfo) {
 #endif
 }
 
-int32_t loadDataBlock(SExecTaskInfo* pTaskInfo, STableScanInfo* pTableScanInfo, SSDataBlock* pBlock, uint32_t* status) {
+int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanInfo* pTableScanInfo, SSDataBlock* pBlock, uint32_t* status) {
+  SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
+  STableScanInfo* pInfo = pOperator->info;
+
   STaskCostInfo* pCost = &pTaskInfo->cost;
 
   pCost->totalBlocks += 1;
-  pCost->totalRows += pBlock->info.rows;
+  pCost->loadBlocks  += 1;
 
+  pCost->totalRows += pBlock->info.rows;
   pCost->totalCheckedRows += pBlock->info.rows;
-  pCost->loadBlocks += 1;
 
-  *status = BLK_DATA_DATA_LOAD;
+  *status = pInfo->dataBlockLoadFlag;
 
   SArray* pCols = tsdbRetrieveDataBlock(pTableScanInfo->dataReader, NULL);
   if (pCols == NULL) {
@@ -217,7 +220,7 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator, bool* newgroup) {
   return p;
 }
 
-SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order, int32_t numOfOutput,
+SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order, int32_t numOfOutput, int32_t dataLoadFlag,
                                            int32_t repeatTime, int32_t reverseTime, SArray* pColMatchInfo, SSDataBlock* pResBlock,
                                            SNode* pCondition, SExecTaskInfo* pTaskInfo) {
   assert(repeatTime > 0);
@@ -232,6 +235,7 @@ SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order,
     return NULL;
   }
 
+  pInfo->dataBlockLoadFlag= dataLoadFlag;
   pInfo->pResBlock        = pResBlock;
   pInfo->pFilterNode      = pCondition;
   pInfo->dataReader       = pTsdbReadHandle;
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 50c65439c0d1c29d6018dc691f74641381f20935..71e8bcc84221e5b0dba155f859951c2718a197ad 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -58,9 +58,9 @@ void functionFinalize(SqlFunctionCtx *pCtx) {
 EFuncDataRequired countDataRequired(SFunctionNode* pFunc, STimeWindow* pTimeWindow) {
   SNode* pParam = nodesListGetNode(pFunc->pParameterList, 0);
   if (QUERY_NODE_COLUMN == nodeType(pParam) && PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pParam)->colId) {
-    return FUNC_DATA_REQUIRED_NO_NEEDED;
+    return FUNC_DATA_REQUIRED_NOT_LOAD;
   }
-  return FUNC_DATA_REQUIRED_STATIS_NEEDED;
+  return FUNC_DATA_REQUIRED_STATIS_LOAD;
 }
 
 bool getCountFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
diff --git a/source/libs/function/src/functionMgt.c b/source/libs/function/src/functionMgt.c
index aec75a0365ef42c8a23b021af4050d18fd6246c6..d0af3487ce39f948386586d386b6ba124d1935d7 100644
--- a/source/libs/function/src/functionMgt.c
+++ b/source/libs/function/src/functionMgt.c
@@ -78,10 +78,10 @@ int32_t fmGetFuncResultType(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
 
 EFuncDataRequired fmFuncDataRequired(SFunctionNode* pFunc, STimeWindow* pTimeWindow) {
   if (pFunc->funcId < 0 || pFunc->funcId >= funcMgtBuiltinsNum) {
-    return FUNC_DATA_REQUIRED_ALL_NEEDED;
+    return FUNC_DATA_REQUIRED_DATA_LOAD;
   }
   if (NULL == funcMgtBuiltins[pFunc->funcId].dataRequiredFunc) {
-    return FUNC_DATA_REQUIRED_ALL_NEEDED;
+    return FUNC_DATA_REQUIRED_DATA_LOAD;
   }
   return funcMgtBuiltins[pFunc->funcId].dataRequiredFunc(pFunc, pTimeWindow);
 }
diff --git a/source/libs/planner/src/planLogicCreater.c b/source/libs/planner/src/planLogicCreater.c
index 3c60b62434cc0e202771883cc8dc0d52249410be..fd0d2758bf9436700b1ac19933b592d3f9bf93e7 100644
--- a/source/libs/planner/src/planLogicCreater.c
+++ b/source/libs/planner/src/planLogicCreater.c
@@ -200,7 +200,7 @@ static int32_t createScanLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect
   strcpy(pScan->tableName.tname, pRealTable->table.tableName);
   pScan->showRewrite = pCxt->pPlanCxt->showRewrite;
   pScan->ratio = pRealTable->ratio;
-  pScan->dataRequired = FUNC_DATA_REQUIRED_ALL_NEEDED;
+  pScan->dataRequired = FUNC_DATA_REQUIRED_DATA_LOAD;
 
   // set columns to scan
   SNodeList* pCols = NULL;
diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 19e6718fe8236149d3717f0e0f1344d83160c800..a8513bf3764573b6b6a9916c74ef9a687629a14c 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -125,12 +125,12 @@ static int32_t osdMatch(SOptimizeContext* pCxt, SLogicNode* pLogicNode, SOsdInfo
 
 static EFuncDataRequired osdPromoteDataRequired(EFuncDataRequired l , EFuncDataRequired r) {
   switch (l) {
-    case FUNC_DATA_REQUIRED_ALL_NEEDED:
+    case FUNC_DATA_REQUIRED_DATA_LOAD:
       return l;
-    case FUNC_DATA_REQUIRED_STATIS_NEEDED:
-      return FUNC_DATA_REQUIRED_ALL_NEEDED == r ? r : l;
-    case FUNC_DATA_REQUIRED_NO_NEEDED:
-      return FUNC_DATA_REQUIRED_DISCARD == r ? l : r;
+    case FUNC_DATA_REQUIRED_STATIS_LOAD:
+      return FUNC_DATA_REQUIRED_DATA_LOAD == r ? r : l;
+    case FUNC_DATA_REQUIRED_NOT_LOAD:
+      return FUNC_DATA_REQUIRED_FILTEROUT == r ? l : r;
     default:
       break;
   }
@@ -139,9 +139,9 @@ static EFuncDataRequired osdPromoteDataRequired(EFuncDataRequired l , EFuncDataR
 
 static int32_t osdGetDataRequired(SNodeList* pFuncs) {
   if (NULL == pFuncs) {
-    return FUNC_DATA_REQUIRED_ALL_NEEDED;
+    return FUNC_DATA_REQUIRED_DATA_LOAD;
   }
-  EFuncDataRequired dataRequired = FUNC_DATA_REQUIRED_DISCARD;
+  EFuncDataRequired dataRequired = FUNC_DATA_REQUIRED_FILTEROUT;
   SNode* pFunc = NULL;
   FOREACH(pFunc, pFuncs) {
     dataRequired = osdPromoteDataRequired(dataRequired, fmFuncDataRequired((SFunctionNode*)pFunc, NULL));