enh: flag of whether the subplan is added as a show statement

include/libs/nodes/plannodes.h

@@ -567,6 +567,7 @@ typedef struct SSubplan {
   SDataSinkNode* pDataSink;     // data of the subplan flow into the datasink
   SNode*         pTagCond;
   SNode*         pTagIndexCond;
+  bool           showRewrite;
 } SSubplan;
 
 typedef enum EExplainMode { EXPLAIN_MODE_DISABLE = 1, EXPLAIN_MODE_STATIC, EXPLAIN_MODE_ANALYZE } EExplainMode;

source/libs/nodes/src/nodesCodeFuncs.c

@@ -2634,6 +2634,7 @@ static const char* jkSubplanRootNode = "RootNode";
 static const char* jkSubplanDataSink = "DataSink";
 static const char* jkSubplanTagCond = "TagCond";
 static const char* jkSubplanTagIndexCond = "TagIndexCond";
+static const char* jkSubplanShowRewrite = "ShowRewrite";
 
 static int32_t subplanToJson(const void* pObj, SJson* pJson) {
   const SSubplan* pNode = (const SSubplan*)pObj;
@@ -2669,6 +2670,9 @@ static int32_t subplanToJson(const void* pObj, SJson* pJson) {
   if (TSDB_CODE_SUCCESS == code) {
     code = tjsonAddObject(pJson, jkSubplanTagIndexCond, nodeToJson, pNode->pTagIndexCond);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddBoolToObject(pJson, jkSubplanShowRewrite, pNode->showRewrite);
+  }
 
   return code;
 }
@@ -2707,6 +2711,9 @@ static int32_t jsonToSubplan(const SJson* pJson, void* pObj) {
   if (TSDB_CODE_SUCCESS == code) {
     code = jsonToNodeObject(pJson, jkSubplanTagIndexCond, (SNode**)&pNode->pTagIndexCond);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetBoolValue(pJson, jkSubplanShowRewrite, &pNode->showRewrite);
+  }
 
   return code;
 }

source/libs/nodes/src/nodesMsgFuncs.c

@@ -1969,7 +1969,12 @@ static int32_t msgToPhysiScanNode(STlvDecoder* pDecoder, void* pObj) {
   return code;
 }
 
-enum { PHY_LAST_ROW_SCAN_CODE_SCAN = 1, PHY_LAST_ROW_SCAN_CODE_GROUP_TAGS, PHY_LAST_ROW_SCAN_CODE_GROUP_SORT, PHY_LAST_ROW_SCAN_CODE_IGNULL };
+enum {
+  PHY_LAST_ROW_SCAN_CODE_SCAN = 1,
+  PHY_LAST_ROW_SCAN_CODE_GROUP_TAGS,
+  PHY_LAST_ROW_SCAN_CODE_GROUP_SORT,
+  PHY_LAST_ROW_SCAN_CODE_IGNULL
+};
 
 static int32_t physiLastRowScanNodeToMsg(const void* pObj, STlvEncoder* pEncoder) {
   const SLastRowScanPhysiNode* pNode = (const SLastRowScanPhysiNode*)pObj;
@@ -3433,6 +3438,9 @@ static int32_t subplanInlineToMsg(const void* pObj, STlvEncoder* pEncoder) {
   if (TSDB_CODE_SUCCESS == code) {
     code = queryNodeAddrInlineToMsg(&pNode->execNode, pEncoder);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeValueBool(pEncoder, pNode->showRewrite);
+  }
 
   return code;
 }
@@ -3479,6 +3487,9 @@ static int32_t msgToSubplanInline(STlvDecoder* pDecoder, void* pObj) {
   if (TSDB_CODE_SUCCESS == code) {
     code = msgToQueryNodeAddrInline(pDecoder, &pNode->execNode);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvDecodeValueBool(pDecoder, &pNode->showRewrite);
+  }
 
   return code;
 }

source/libs/planner/src/planPhysiCreater.c

@@ -584,6 +584,7 @@ static int32_t createSystemTableScanPhysiNode(SPhysiPlanContext* pCxt, SSubplan*
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
+  pSubplan->showRewrite = pScanLogicNode->showRewrite;
   pScan->showRewrite = pScanLogicNode->showRewrite;
   pScan->accountId = pCxt->pPlanCxt->acctId;
   pScan->sysInfo = pCxt->pPlanCxt->sysInfo;