Merge branch 'szhou/select-tags-scan' of github.com:taosdata/TDengine into szhou/select-tags-scan

source/libs/nodes/src/nodesCloneFuncs.c

@@ -399,6 +399,7 @@ static int32_t logicScanCopy(const SScanLogicNode* pSrc, SScanLogicNode* pDst) {
   CLONE_NODE_FIELD(pSubtable);
   COPY_SCALAR_FIELD(igLastNull);
   COPY_SCALAR_FIELD(groupOrderScan);
+  COPY_SCALAR_FIELD(onlyMetaCtbIdx);
   return TSDB_CODE_SUCCESS;
 }
 

source/libs/parser/src/parAstCreater.c

@@ -853,7 +853,7 @@ SNode* createSelectStmt(SAstCreateContext* pCxt, bool isDistinct, SNodeList* pPr
 }
 
 SNode* setSelectStmtTagMode(SAstCreateContext* pCxt, SNode* pStmt, bool bSelectTags) {
-  if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
+  if (pStmt && QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
     ((SSelectStmt*)pStmt)->tagScan = bSelectTags;
   }
   return pStmt;

source/libs/planner/src/planLogicCreater.c

@@ -345,12 +345,11 @@ static int32_t makeScanLogicNode(SLogicPlanContext* pCxt, SRealTableNode* pRealT
 static bool needScanDefaultCol(EScanType scanType) { return SCAN_TYPE_TABLE_COUNT != scanType; }
 
 static EDealRes tagScanNodeHasTbnameFunc(SNode* pNode, void* pContext) {
-  if (QUERY_NODE_COLUMN == nodeType(pNode)) {
-    if (COLUMN_TYPE_TBNAME == ((SColumnNode*)pNode)->colType) {
+  if (QUERY_NODE_FUNCTION == nodeType(pNode) && FUNCTION_TYPE_TBNAME == ((SFunctionNode*)pNode)->funcType ||
+        (QUERY_NODE_COLUMN == nodeType(pNode) && COLUMN_TYPE_TBNAME == ((SColumnNode*)pNode)->colType)) {
     *(bool*)pContext = true;
     return DEAL_RES_END;
   }
-  }
   return DEAL_RES_CONTINUE;
 }