diff --git a/include/libs/planner/planner.h b/include/libs/planner/planner.h
index 05caa7a7bb56617ef34c03e3646f85ac98f65a56..e03ac3811a11b3927531a6250f5b41fb876c0f1c 100644
--- a/include/libs/planner/planner.h
+++ b/include/libs/planner/planner.h
@@ -52,10 +52,14 @@ int32_t qSetSubplanExecutionNode(SSubplan* pSubplan, int32_t groupId, SDownstrea
 
 void qClearSubplanExecutionNode(SSubplan* pSubplan);
 
-// Convert to subplan to string for the scheduler to send to the executor
+// Convert to subplan to display string for the scheduler to send to the executor
 int32_t qSubPlanToString(const SSubplan* pSubplan, char** pStr, int32_t* pLen);
 int32_t qStringToSubplan(const char* pStr, SSubplan** pSubplan);
 
+// Convert to subplan to msg for the scheduler to send to the executor
+int32_t qSubPlanToMsg(const SSubplan* pSubplan, char** pStr, int32_t* pLen);
+int32_t qMsgToSubplan(const char* pStr, int32_t len, SSubplan** pSubplan);
+
 char*       qQueryPlanToString(const SQueryPlan* pPlan);
 SQueryPlan* qStringToQueryPlan(const char* pStr);
 
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index cbd6bc3ed7e62a9edf9d4baac18e0c7057a2ae10..1a41f809070ce7f0cca98fb7fddbc20065ec9cdf 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -4723,9 +4723,8 @@ int32_t tSerializeSVDeleteReq(void *buf, int32_t bufLen, SVDeleteReq *pReq) {
   if (tEncodeU64(&encoder, pReq->queryId) < 0) return -1;
   if (tEncodeU64(&encoder, pReq->taskId) < 0) return -1;
   if (tEncodeU32(&encoder, pReq->sqlLen) < 0) return -1;
-  if (tEncodeU32(&encoder, pReq->phyLen) < 0) return -1;
   if (tEncodeCStr(&encoder, pReq->sql) < 0) return -1;
-  if (tEncodeCStr(&encoder, pReq->msg) < 0) return -1;
+  if (tEncodeBinary(&encoder, pReq->msg, pReq->phyLen) < 0) return -1;
   tEndEncode(&encoder);
 
   int32_t tlen = encoder.pos;
@@ -4755,13 +4754,12 @@ int32_t tDeserializeSVDeleteReq(void *buf, int32_t bufLen, SVDeleteReq *pReq) {
   if (tDecodeU64(&decoder, &pReq->queryId) < 0) return -1;
   if (tDecodeU64(&decoder, &pReq->taskId) < 0) return -1;
   if (tDecodeU32(&decoder, &pReq->sqlLen) < 0) return -1;
-  if (tDecodeU32(&decoder, &pReq->phyLen) < 0) return -1;
   pReq->sql = taosMemoryCalloc(1, pReq->sqlLen + 1);
   if (NULL == pReq->sql) return -1;
-  pReq->msg = taosMemoryCalloc(1, pReq->phyLen + 1);
-  if (NULL == pReq->msg) return -1;
   if (tDecodeCStrTo(&decoder, pReq->sql) < 0) return -1;
-  if (tDecodeCStrTo(&decoder, pReq->msg) < 0) return -1;
+  uint64_t msgLen = 0;
+  if (tDecodeBinaryAlloc(&decoder, (void **)&pReq->msg, &msgLen) < 0) return -1;
+  pReq->phyLen = msgLen;
 
   tEndDecode(&decoder);
 
diff --git a/source/libs/nodes/src/nodesMsgFuncs.c b/source/libs/nodes/src/nodesMsgFuncs.c
index 5fe31ed78e80cf19a4e107d6f1366609bd257520..efe820fee211af67ce1b168c5a5cddc821b0eeba 100644
--- a/source/libs/nodes/src/nodesMsgFuncs.c
+++ b/source/libs/nodes/src/nodesMsgFuncs.c
@@ -24,7 +24,7 @@
 
 typedef struct STlv {
   int16_t type;
-  int16_t len;
+  int32_t len;
   char    value[0];
 } STlv;
 
@@ -70,7 +70,7 @@ static void endTlvEncode(STlvEncoder* pEncoder, char** pMsg, int32_t* pLen) {
   // nodesWarn("encode tlv count = %d, tl size = %d", pEncoder->tlvCount, sizeof(STlv) * pEncoder->tlvCount);
 }
 
-static int32_t tlvEncodeImpl(STlvEncoder* pEncoder, int16_t type, const void* pValue, int16_t len) {
+static int32_t tlvEncodeImpl(STlvEncoder* pEncoder, int16_t type, const void* pValue, int32_t len) {
   int32_t tlvLen = sizeof(STlv) + len;
   if (pEncoder->offset + tlvLen > pEncoder->allocSize) {
     void* pNewBuf = taosMemoryRealloc(pEncoder->pBuf, pEncoder->allocSize * 2);
@@ -130,6 +130,9 @@ static int32_t tlvEncodeBool(STlvEncoder* pEncoder, int16_t type, bool value) {
 }
 
 static int32_t tlvEncodeCStr(STlvEncoder* pEncoder, int16_t type, const char* pValue) {
+  if (NULL == pValue) {
+    return TSDB_CODE_SUCCESS;
+  }
   return tlvEncodeImpl(pEncoder, type, pValue, strlen(pValue));
 }
 
@@ -187,7 +190,7 @@ static int32_t tlvGetNextTlv(STlvDecoder* pDecoder, STlv** pTlv) {
 
 static bool tlvDecodeEnd(STlvDecoder* pDecoder) { return pDecoder->offset == pDecoder->bufSize; }
 
-static int32_t tlvDecodeImpl(STlv* pTlv, void* pValue, int16_t len) {
+static int32_t tlvDecodeImpl(STlv* pTlv, void* pValue, int32_t len) {
   if (pTlv->len != len) {
     return TSDB_CODE_FAILED;
   }
@@ -237,6 +240,11 @@ static int32_t tlvDecodeCStr(STlv* pTlv, char* pValue) {
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t tlvDecodeCStrP(STlv* pTlv, char** pValue) {
+  *pValue = strndup(pTlv->value, pTlv->len);
+  return NULL == *pValue ? TSDB_CODE_OUT_OF_MEMORY : TSDB_CODE_SUCCESS;
+}
+
 static int32_t tlvDecodeDynBinary(STlv* pTlv, void** pValue) {
   *pValue = taosMemoryMalloc(pTlv->len);
   if (NULL == *pValue) {
@@ -246,6 +254,11 @@ static int32_t tlvDecodeDynBinary(STlv* pTlv, void** pValue) {
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t tlvDecodeBinary(STlv* pTlv, void* pValue) {
+  memcpy(pValue, pTlv->value, pTlv->len);
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t tlvDecodeObjFromTlv(STlv* pTlv, FToObject func, void* pObj) {
   STlvDecoder decoder = {.bufSize = pTlv->len, .offset = 0, .pBuf = pTlv->value};
   return func(&decoder, pObj);
@@ -367,6 +380,10 @@ enum {
   COLUMN_CODE_TABLE_TYPE,
   COLUMN_CODE_COLUMN_ID,
   COLUMN_CODE_COLUMN_TYPE,
+  COLUMN_CODE_DB_NAME,
+  COLUMN_CODE_TABLE_NAME,
+  COLUMN_CODE_TABLE_ALIAS,
+  COLUMN_CODE_COL_NAME,
   COLUMN_CODE_DATABLOCK_ID,
   COLUMN_CODE_SLOT_ID
 };
@@ -387,6 +404,18 @@ static int32_t columnNodeToMsg(const void* pObj, STlvEncoder* pEncoder) {
   if (TSDB_CODE_SUCCESS == code) {
     code = tlvEncodeEnum(pEncoder, COLUMN_CODE_COLUMN_TYPE, pNode->colType);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeCStr(pEncoder, COLUMN_CODE_DB_NAME, pNode->dbName);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeCStr(pEncoder, COLUMN_CODE_TABLE_NAME, pNode->tableName);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeCStr(pEncoder, COLUMN_CODE_TABLE_ALIAS, pNode->tableAlias);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeCStr(pEncoder, COLUMN_CODE_COL_NAME, pNode->colName);
+  }
   if (TSDB_CODE_SUCCESS == code) {
     code = tlvEncodeI16(pEncoder, COLUMN_CODE_DATABLOCK_ID, pNode->dataBlockId);
   }
@@ -419,6 +448,18 @@ static int32_t msgToColumnNode(STlvDecoder* pDecoder, void* pObj) {
       case COLUMN_CODE_COLUMN_TYPE:
         code = tlvDecodeEnum(pTlv, &pNode->colType, sizeof(pNode->colType));
         break;
+      case COLUMN_CODE_DB_NAME:
+        code = tlvDecodeCStr(pTlv, pNode->dbName);
+        break;
+      case COLUMN_CODE_TABLE_NAME:
+        code = tlvDecodeCStr(pTlv, pNode->tableName);
+        break;
+      case COLUMN_CODE_TABLE_ALIAS:
+        code = tlvDecodeCStr(pTlv, pNode->tableAlias);
+        break;
+      case COLUMN_CODE_COL_NAME:
+        code = tlvDecodeCStr(pTlv, pNode->colName);
+        break;
       case COLUMN_CODE_DATABLOCK_ID:
         code = tlvDecodeI16(pTlv, &pNode->dataBlockId);
         break;
@@ -433,7 +474,15 @@ static int32_t msgToColumnNode(STlvDecoder* pDecoder, void* pObj) {
   return code;
 }
 
-enum { VALUE_CODE_EXPR_BASE = 1, VALUE_CODE_IS_NULL, VALUE_CODE_DATUM };
+enum {
+  VALUE_CODE_EXPR_BASE = 1,
+  VALUE_CODE_LITERAL,
+  VALUE_CODE_IS_DURATION,
+  VALUE_CODE_TRANSLATE,
+  VALUE_CODE_NOT_RESERVED,
+  VALUE_CODE_IS_NULL,
+  VALUE_CODE_DATUM
+};
 
 static int32_t datumToMsg(const void* pObj, STlvEncoder* pEncoder) {
   const SValueNode* pNode = (const SValueNode*)pObj;
@@ -485,9 +534,21 @@ static int32_t valueNodeToMsg(const void* pObj, STlvEncoder* pEncoder) {
 
   int32_t code = tlvEncodeObj(pEncoder, VALUE_CODE_EXPR_BASE, exprNodeToMsg, pNode);
   if (TSDB_CODE_SUCCESS == code) {
-    code = tlvEncodeBool(pEncoder, VALUE_CODE_IS_NULL, pNode->isNull);
+    code = tlvEncodeCStr(pEncoder, VALUE_CODE_LITERAL, pNode->literal);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeBool(pEncoder, VALUE_CODE_IS_DURATION, pNode->isDuration);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeBool(pEncoder, VALUE_CODE_TRANSLATE, pNode->translate);
   }
   if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeBool(pEncoder, VALUE_CODE_NOT_RESERVED, pNode->notReserved);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeBool(pEncoder, VALUE_CODE_IS_NULL, pNode->isNull);
+  }
+  if (TSDB_CODE_SUCCESS == code && !pNode->isNull) {
     code = datumToMsg(pNode, pEncoder);
   }
 
@@ -551,12 +612,18 @@ static int32_t msgToDatum(STlv* pTlv, void* pObj) {
       break;
     case TSDB_DATA_TYPE_NCHAR:
     case TSDB_DATA_TYPE_VARCHAR:
-    case TSDB_DATA_TYPE_VARBINARY:
-      code = tlvDecodeDynBinary(pTlv, (void**)&pNode->datum.p);
+    case TSDB_DATA_TYPE_VARBINARY: {
+      pNode->datum.p = taosMemoryCalloc(1, pNode->node.resType.bytes + VARSTR_HEADER_SIZE + 1);
+      if (NULL == pNode->datum.p) {
+        code = TSDB_CODE_OUT_OF_MEMORY;
+        break;
+      }
+      code = tlvDecodeBinary(pTlv, pNode->datum.p);
       if (TSDB_CODE_SUCCESS == code) {
-        varDataSetLen(pNode->datum.p, pNode->node.resType.bytes - VARSTR_HEADER_SIZE);
+        varDataSetLen(pNode->datum.p, pTlv->len - VARSTR_HEADER_SIZE);
       }
       break;
+    }
     case TSDB_DATA_TYPE_JSON:
       code = tlvDecodeDynBinary(pTlv, (void**)&pNode->datum.p);
       break;
@@ -580,6 +647,18 @@ static int32_t msgToValueNode(STlvDecoder* pDecoder, void* pObj) {
       case VALUE_CODE_EXPR_BASE:
         code = tlvDecodeObjFromTlv(pTlv, msgToExprNode, &pNode->node);
         break;
+      case VALUE_CODE_LITERAL:
+        code = tlvDecodeCStrP(pTlv, &pNode->literal);
+        break;
+      case VALUE_CODE_IS_DURATION:
+        code = tlvDecodeBool(pTlv, &pNode->isDuration);
+        break;
+      case VALUE_CODE_TRANSLATE:
+        code = tlvDecodeBool(pTlv, &pNode->translate);
+        break;
+      case VALUE_CODE_NOT_RESERVED:
+        code = tlvDecodeBool(pTlv, &pNode->notReserved);
+        break;
       case VALUE_CODE_IS_NULL:
         code = tlvDecodeBool(pTlv, &pNode->isNull);
         break;
@@ -682,6 +761,7 @@ static int32_t msgToLogicConditionNode(STlvDecoder* pDecoder, void* pObj) {
 
 enum {
   FUNCTION_CODE_EXPR_BASE = 1,
+  FUNCTION_CODE_FUNCTION_NAME,
   FUNCTION_CODE_FUNCTION_ID,
   FUNCTION_CODE_FUNCTION_TYPE,
   FUNCTION_CODE_PARAMETERS,
@@ -692,6 +772,9 @@ static int32_t functionNodeToMsg(const void* pObj, STlvEncoder* pEncoder) {
   const SFunctionNode* pNode = (const SFunctionNode*)pObj;
 
   int32_t code = tlvEncodeObj(pEncoder, FUNCTION_CODE_EXPR_BASE, exprNodeToMsg, pNode);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeCStr(pEncoder, FUNCTION_CODE_FUNCTION_NAME, pNode->functionName);
+  }
   if (TSDB_CODE_SUCCESS == code) {
     code = tlvEncodeI32(pEncoder, FUNCTION_CODE_FUNCTION_ID, pNode->funcId);
   }
@@ -718,6 +801,9 @@ static int32_t msgToFunctionNode(STlvDecoder* pDecoder, void* pObj) {
       case FUNCTION_CODE_EXPR_BASE:
         code = tlvDecodeObjFromTlv(pTlv, msgToExprNode, &pNode->node);
         break;
+      case FUNCTION_CODE_FUNCTION_NAME:
+        code = tlvDecodeCStr(pTlv, pNode->functionName);
+        break;
       case FUNCTION_CODE_FUNCTION_ID:
         code = tlvDecodeI32(pTlv, &pNode->funcId);
         break;
@@ -1082,6 +1168,170 @@ static int32_t msgToSlotDescNode(STlvDecoder* pDecoder, void* pObj) {
   return code;
 }
 
+enum { EP_CODE_FQDN = 1, EP_CODE_port };
+
+static int32_t epToMsg(const void* pObj, STlvEncoder* pEncoder) {
+  const SEp* pNode = (const SEp*)pObj;
+
+  int32_t code = tlvEncodeCStr(pEncoder, EP_CODE_FQDN, pNode->fqdn);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeU16(pEncoder, EP_CODE_port, pNode->port);
+  }
+
+  return code;
+}
+
+static int32_t msgToEp(STlvDecoder* pDecoder, void* pObj) {
+  SEp* pNode = (SEp*)pObj;
+
+  int32_t code = TSDB_CODE_SUCCESS;
+  STlv*   pTlv = NULL;
+  tlvForEach(pDecoder, pTlv, code) {
+    switch (pTlv->type) {
+      case EP_CODE_FQDN:
+        code = tlvDecodeCStr(pTlv, pNode->fqdn);
+        break;
+      case EP_CODE_port:
+        code = tlvDecodeU16(pTlv, &pNode->port);
+        break;
+      default:
+        break;
+    }
+  }
+
+  return code;
+}
+
+enum { EP_SET_CODE_IN_USE = 1, EP_SET_CODE_NUM_OF_EPS, EP_SET_CODE_EPS };
+
+static int32_t epSetToMsg(const void* pObj, STlvEncoder* pEncoder) {
+  const SEpSet* pNode = (const SEpSet*)pObj;
+
+  int32_t code = tlvEncodeI8(pEncoder, EP_SET_CODE_IN_USE, pNode->inUse);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeI8(pEncoder, EP_SET_CODE_NUM_OF_EPS, pNode->numOfEps);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeObjArray(pEncoder, EP_SET_CODE_EPS, epToMsg, pNode->eps, sizeof(SEp), pNode->numOfEps);
+  }
+
+  return code;
+}
+
+static int32_t msgToEpSet(STlvDecoder* pDecoder, void* pObj) {
+  SEpSet* pNode = (SEpSet*)pObj;
+
+  int32_t code = TSDB_CODE_SUCCESS;
+  STlv*   pTlv = NULL;
+  tlvForEach(pDecoder, pTlv, code) {
+    switch (pTlv->type) {
+      case EP_SET_CODE_IN_USE:
+        code = tlvDecodeI8(pTlv, &pNode->inUse);
+        break;
+      case EP_SET_CODE_NUM_OF_EPS:
+        code = tlvDecodeI8(pTlv, &pNode->numOfEps);
+        break;
+      case EP_SET_CODE_EPS:
+        code = tlvDecodeObjArrayFromTlv(pTlv, msgToEp, pNode->eps, sizeof(SEp));
+        break;
+      default:
+        break;
+    }
+  }
+
+  return code;
+}
+
+enum { QUERY_NODE_ADDR_CODE_NODE_ID = 1, QUERY_NODE_ADDR_CODE_EP_SET };
+
+static int32_t queryNodeAddrToMsg(const void* pObj, STlvEncoder* pEncoder) {
+  const SQueryNodeAddr* pNode = (const SQueryNodeAddr*)pObj;
+
+  int32_t code = tlvEncodeI32(pEncoder, QUERY_NODE_ADDR_CODE_NODE_ID, pNode->nodeId);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeObj(pEncoder, QUERY_NODE_ADDR_CODE_EP_SET, epSetToMsg, &pNode->epSet);
+  }
+
+  return code;
+}
+
+static int32_t msgToQueryNodeAddr(STlvDecoder* pDecoder, void* pObj) {
+  SQueryNodeAddr* pNode = (SQueryNodeAddr*)pObj;
+
+  int32_t code = TSDB_CODE_SUCCESS;
+  STlv*   pTlv = NULL;
+  tlvForEach(pDecoder, pTlv, code) {
+    switch (pTlv->type) {
+      case QUERY_NODE_ADDR_CODE_NODE_ID:
+        code = tlvDecodeI32(pTlv, &pNode->nodeId);
+        break;
+      case QUERY_NODE_ADDR_CODE_EP_SET:
+        code = tlvDecodeObjFromTlv(pTlv, msgToEpSet, &pNode->epSet);
+        break;
+    }
+  }
+
+  return code;
+}
+
+enum {
+  DOWNSTREAM_SOURCE_CODE_ADDR = 1,
+  DOWNSTREAM_SOURCE_CODE_TASK_ID,
+  DOWNSTREAM_SOURCE_CODE_SCHED_ID,
+  DOWNSTREAM_SOURCE_CODE_EXEC_ID,
+  DOWNSTREAM_SOURCE_CODE_FETCH_MSG_TYPE
+};
+
+static int32_t downstreamSourceNodeToMsg(const void* pObj, STlvEncoder* pEncoder) {
+  const SDownstreamSourceNode* pNode = (const SDownstreamSourceNode*)pObj;
+
+  int32_t code = tlvEncodeObj(pEncoder, DOWNSTREAM_SOURCE_CODE_ADDR, queryNodeAddrToMsg, &pNode->addr);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeU64(pEncoder, DOWNSTREAM_SOURCE_CODE_TASK_ID, pNode->taskId);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeU64(pEncoder, DOWNSTREAM_SOURCE_CODE_SCHED_ID, pNode->schedId);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeI32(pEncoder, DOWNSTREAM_SOURCE_CODE_EXEC_ID, pNode->execId);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tlvEncodeI32(pEncoder, DOWNSTREAM_SOURCE_CODE_FETCH_MSG_TYPE, pNode->fetchMsgType);
+  }
+
+  return code;
+}
+
+static int32_t msgToDownstreamSourceNode(STlvDecoder* pDecoder, void* pObj) {
+  SDownstreamSourceNode* pNode = (SDownstreamSourceNode*)pObj;
+
+  int32_t code = TSDB_CODE_SUCCESS;
+  STlv*   pTlv = NULL;
+  tlvForEach(pDecoder, pTlv, code) {
+    switch (pTlv->type) {
+      case DOWNSTREAM_SOURCE_CODE_ADDR:
+        code = tlvDecodeObjFromTlv(pTlv, msgToQueryNodeAddr, &pNode->addr);
+        break;
+      case DOWNSTREAM_SOURCE_CODE_TASK_ID:
+        code = tlvDecodeU64(pTlv, &pNode->taskId);
+        break;
+      case DOWNSTREAM_SOURCE_CODE_SCHED_ID:
+        code = tlvDecodeU64(pTlv, &pNode->schedId);
+        break;
+      case DOWNSTREAM_SOURCE_CODE_EXEC_ID:
+        code = tlvDecodeI32(pTlv, &pNode->execId);
+        break;
+      case DOWNSTREAM_SOURCE_CODE_FETCH_MSG_TYPE:
+        code = tlvDecodeI32(pTlv, &pNode->fetchMsgType);
+        break;
+      default:
+        break;
+    }
+  }
+
+  return code;
+}
+
 enum {
   PHY_NODE_CODE_OUTPUT_DESC = 1,
   PHY_NODE_CODE_CONDITIONS,
@@ -1401,80 +1651,6 @@ static int32_t msgToPhysiTableScanNode(STlvDecoder* pDecoder, void* pObj) {
   return code;
 }
 
-enum { EP_CODE_FQDN = 1, EP_CODE_port };
-
-static int32_t epToMsg(const void* pObj, STlvEncoder* pEncoder) {
-  const SEp* pNode = (const SEp*)pObj;
-
-  int32_t code = tlvEncodeCStr(pEncoder, EP_CODE_FQDN, pNode->fqdn);
-  if (TSDB_CODE_SUCCESS == code) {
-    code = tlvEncodeU16(pEncoder, EP_CODE_port, pNode->port);
-  }
-
-  return code;
-}
-
-static int32_t msgToEp(STlvDecoder* pDecoder, void* pObj) {
-  SEp* pNode = (SEp*)pObj;
-
-  int32_t code = TSDB_CODE_SUCCESS;
-  STlv*   pTlv = NULL;
-  tlvForEach(pDecoder, pTlv, code) {
-    switch (pTlv->type) {
-      case EP_CODE_FQDN:
-        code = tlvDecodeCStr(pTlv, pNode->fqdn);
-        break;
-      case EP_CODE_port:
-        code = tlvDecodeU16(pTlv, &pNode->port);
-        break;
-      default:
-        break;
-    }
-  }
-
-  return code;
-}
-
-enum { EP_SET_CODE_IN_USE = 1, EP_SET_CODE_NUM_OF_EPS, EP_SET_CODE_EPS };
-
-static int32_t epSetToMsg(const void* pObj, STlvEncoder* pEncoder) {
-  const SEpSet* pNode = (const SEpSet*)pObj;
-
-  int32_t code = tlvEncodeI8(pEncoder, EP_SET_CODE_IN_USE, pNode->inUse);
-  if (TSDB_CODE_SUCCESS == code) {
-    code = tlvEncodeI8(pEncoder, EP_SET_CODE_NUM_OF_EPS, pNode->numOfEps);
-  }
-  if (TSDB_CODE_SUCCESS == code) {
-    code = tlvEncodeObjArray(pEncoder, EP_SET_CODE_EPS, epToMsg, pNode->eps, sizeof(SEp), pNode->numOfEps);
-  }
-
-  return code;
-}
-
-static int32_t msgToEpSet(STlvDecoder* pDecoder, void* pObj) {
-  SEpSet* pNode = (SEpSet*)pObj;
-
-  int32_t code = TSDB_CODE_SUCCESS;
-  STlv*   pTlv = NULL;
-  tlvForEach(pDecoder, pTlv, code) {
-    switch (pTlv->type) {
-      case EP_SET_CODE_IN_USE:
-        code = tlvDecodeI8(pTlv, &pNode->inUse);
-        break;
-      case EP_SET_CODE_NUM_OF_EPS:
-        code = tlvDecodeI8(pTlv, &pNode->numOfEps);
-        break;
-      case EP_SET_CODE_EPS:
-        code = tlvDecodeObjArrayFromTlv(pTlv, msgToEp, pNode->eps, sizeof(SEp));
-        break;
-      default:
-        break;
-    }
-  }
-
-  return code;
-}
-
 enum {
   PHY_SYSTABLE_SCAN_CODE_SCAN = 1,
   PHY_SYSTABLE_SCAN_CODE_MGMT_EP_SET,
@@ -2594,38 +2770,6 @@ static int32_t msgToSubplanId(STlvDecoder* pDecoder, void* pObj) {
   return code;
 }
 
-enum { QUERY_NODE_ADDR_CODE_NODE_ID = 1, QUERY_NODE_ADDR_CODE_EP_SET };
-
-static int32_t queryNodeAddrToMsg(const void* pObj, STlvEncoder* pEncoder) {
-  const SQueryNodeAddr* pNode = (const SQueryNodeAddr*)pObj;
-
-  int32_t code = tlvEncodeI32(pEncoder, QUERY_NODE_ADDR_CODE_NODE_ID, pNode->nodeId);
-  if (TSDB_CODE_SUCCESS == code) {
-    code = tlvEncodeObj(pEncoder, QUERY_NODE_ADDR_CODE_EP_SET, epSetToMsg, &pNode->epSet);
-  }
-
-  return code;
-}
-
-static int32_t msgToQueryNodeAddr(STlvDecoder* pDecoder, void* pObj) {
-  SQueryNodeAddr* pNode = (SQueryNodeAddr*)pObj;
-
-  int32_t code = TSDB_CODE_SUCCESS;
-  STlv*   pTlv = NULL;
-  tlvForEach(pDecoder, pTlv, code) {
-    switch (pTlv->type) {
-      case QUERY_NODE_ADDR_CODE_NODE_ID:
-        code = tlvDecodeI32(pTlv, &pNode->nodeId);
-        break;
-      case QUERY_NODE_ADDR_CODE_EP_SET:
-        code = tlvDecodeObjFromTlv(pTlv, msgToEpSet, &pNode->epSet);
-        break;
-    }
-  }
-
-  return code;
-}
-
 enum {
   SUBPLAN_CODE_SUBPLAN_ID = 1,
   SUBPLAN_CODE_SUBPLAN_TYPE,
@@ -2802,6 +2946,8 @@ static int32_t specificNodeToMsg(const void* pObj, STlvEncoder* pEncoder) {
     case QUERY_NODE_SLOT_DESC:
       code = slotDescNodeToMsg(pObj, pEncoder);
       break;
+    case QUERY_NODE_DOWNSTREAM_SOURCE:
+      return downstreamSourceNodeToMsg(pObj, pEncoder);
     case QUERY_NODE_LEFT_VALUE:
       break;
     case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN:
@@ -2929,6 +3075,8 @@ static int32_t msgToSpecificNode(STlvDecoder* pDecoder, void* pObj) {
     case QUERY_NODE_SLOT_DESC:
       code = msgToSlotDescNode(pDecoder, pObj);
       break;
+    case QUERY_NODE_DOWNSTREAM_SOURCE:
+      return msgToDownstreamSourceNode(pDecoder, pObj);
     case QUERY_NODE_LEFT_VALUE:
       break;
     case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN:
diff --git a/source/libs/planner/src/planner.c b/source/libs/planner/src/planner.c
index baa1d1074c7d4bea0df280649777db4a659247cb..35903d45b16175c1f9c21904b96ced434178ec51 100644
--- a/source/libs/planner/src/planner.c
+++ b/source/libs/planner/src/planner.c
@@ -123,6 +123,21 @@ int32_t qSubPlanToString(const SSubplan* pSubplan, char** pStr, int32_t* pLen) {
 
 int32_t qStringToSubplan(const char* pStr, SSubplan** pSubplan) { return nodesStringToNode(pStr, (SNode**)pSubplan); }
 
+int32_t qSubPlanToMsg(const SSubplan* pSubplan, char** pStr, int32_t* pLen) {
+  if (SUBPLAN_TYPE_MODIFY == pSubplan->subplanType && NULL == pSubplan->pNode) {
+    SDataInserterNode* insert = (SDataInserterNode*)pSubplan->pDataSink;
+    *pLen = insert->size;
+    *pStr = insert->pData;
+    insert->pData = NULL;
+    return TSDB_CODE_SUCCESS;
+  }
+  return nodesNodeToMsg((const SNode*)pSubplan, pStr, pLen);
+}
+
+int32_t qMsgToSubplan(const char* pStr, int32_t len, SSubplan** pSubplan) {
+  return nodesMsgToNode(pStr, len, (SNode**)pSubplan);
+}
+
 char* qQueryPlanToString(const SQueryPlan* pPlan) {
   char*   pStr = NULL;
   int32_t len = 0;
diff --git a/source/libs/planner/test/planTestUtil.cpp b/source/libs/planner/test/planTestUtil.cpp
index b280b32a94f7d824bcd475573f3f62744c3e3d26..bf19c7a2221ea36d565f9a2031a51a2a3b6dbfff 100644
--- a/source/libs/planner/test/planTestUtil.cpp
+++ b/source/libs/planner/test/planTestUtil.cpp
@@ -480,9 +480,14 @@ class PlannerTestBaseImpl {
     DO_WITH_THROW(nodesNodeToMsg, pNode, &pNewStr, &newlen)
     if (newlen != len || 0 != memcmp(pStr, pNewStr, len)) {
       cout << "nodesNodeToMsg error!!!!!!!!!!!!!! len = " << len << ", newlen = " << newlen << endl;
+      taosMemoryFreeClear(pNewStr);
+      DO_WITH_THROW(nodesNodeToString, pRoot, false, &pNewStr, &newlen)
+      cout << "orac node: " << pNewStr << endl;
+      taosMemoryFreeClear(pNewStr);
       DO_WITH_THROW(nodesNodeToString, pNode, false, &pNewStr, &newlen)
-      cout << "nodesNodeToString " << pNewStr << endl;
+      cout << "new node: " << pNewStr << endl;
     }
+    nodesDestroyNode(pNode);
     taosMemoryFreeClear(pNewStr);
 
     string str(pStr, len);
diff --git a/source/libs/qworker/src/qworker.c b/source/libs/qworker/src/qworker.c
index f006096ce20a45e18a5b9d990c9c63b621638ac5..61c38f59db2d08e960100e1b615bdf8f0a104127 100644
--- a/source/libs/qworker/src/qworker.c
+++ b/source/libs/qworker/src/qworker.c
@@ -559,7 +559,7 @@ int32_t qwProcessQuery(QW_FPARAMS_DEF, SQWMsg *qwMsg, char *sql) {
 
   // QW_TASK_DLOGL("subplan json string, len:%d, %s", qwMsg->msgLen, qwMsg->msg);
 
-  code = qStringToSubplan(qwMsg->msg, &plan);
+  code = qMsgToSubplan(qwMsg->msg, qwMsg->msgLen, &plan);
   if (TSDB_CODE_SUCCESS != code) {
     code = TSDB_CODE_INVALID_MSG;
     QW_TASK_ELOG("task physical plan to subplan failed, code:%x - %s", code, tstrerror(code));
@@ -968,7 +968,7 @@ int32_t qwProcessDelete(QW_FPARAMS_DEF, SQWMsg *qwMsg, SDeleteRes *pRes) {
   DataSinkHandle sinkHandle = NULL;
   SQWTaskCtx     ctx = {0};
 
-  code = qStringToSubplan(qwMsg->msg, &plan);
+  code = qMsgToSubplan(qwMsg->msg, qwMsg->msgLen, &plan);
   if (TSDB_CODE_SUCCESS != code) {
     code = TSDB_CODE_INVALID_MSG;
     QW_TASK_ELOG("task physical plan to subplan failed, code:%x - %s", code, tstrerror(code));
diff --git a/source/libs/scheduler/src/schTask.c b/source/libs/scheduler/src/schTask.c
index c5f161b66a8312a8c5919efca8fe8b1b2d61308c..969c6fc8a6aab8d140feb13b43975e8db4573536 100644
--- a/source/libs/scheduler/src/schTask.c
+++ b/source/libs/scheduler/src/schTask.c
@@ -860,7 +860,7 @@ int32_t schLaunchTaskImpl(void *param) {
   SSubplan *plan = pTask->plan;
 
   if (NULL == pTask->msg) {  // TODO add more detailed reason for failure
-    code = qSubPlanToString(plan, &pTask->msg, &pTask->msgLen);
+    code = qSubPlanToMsg(plan, &pTask->msg, &pTask->msgLen);
     if (TSDB_CODE_SUCCESS != code) {
       SCH_TASK_ELOG("failed to create physical plan, code:%s, msg:%p, len:%d", tstrerror(code), pTask->msg,
                     pTask->msgLen);