alter table return meta

include/common/tmsg.h

@@ -1131,6 +1131,10 @@ typedef struct {
   SSchema* pSchemas;
 } STableMetaRsp;
 
+typedef struct {  
+  STableMetaRsp* pMeta;
+} SMAlterStbRsp;
+
 int32_t tSerializeSTableMetaRsp(void* buf, int32_t bufLen, STableMetaRsp* pRsp);
 int32_t tDeserializeSTableMetaRsp(void* buf, int32_t bufLen, STableMetaRsp* pRsp);
 void    tFreeSTableMetaRsp(STableMetaRsp* pRsp);
@@ -1875,7 +1879,8 @@ int32_t tEncodeSVAlterTbReq(SEncoder* pEncoder, const SVAlterTbReq* pReq);
 int32_t tDecodeSVAlterTbReq(SDecoder* pDecoder, SVAlterTbReq* pReq);
 
 typedef struct {
-  int32_t code;
+  int32_t        code;
+  STableMetaRsp* pMeta;
 } SVAlterTbRsp;
 
 int32_t tEncodeSVAlterTbRsp(SEncoder* pEncoder, const SVAlterTbRsp* pRsp);

include/libs/catalog/catalog.h

@@ -183,7 +183,7 @@ int32_t catalogGetTableMeta(SCatalog* pCatalog, void * pTransporter, const SEpSe
  */
 int32_t catalogGetSTableMeta(SCatalog* pCatalog, void * pTransporter, const SEpSet* pMgmtEps, const SName* pTableName, STableMeta** pTableMeta);
 
-int32_t catalogUpdateSTableMeta(SCatalog* pCatalog, STableMetaRsp *rspMsg);
+int32_t catalogUpdateTableMeta(SCatalog* pCatalog, STableMetaRsp *rspMsg);
 
 
 /**

source/client/inc/clientInt.h

@@ -162,6 +162,7 @@ typedef struct SResultColumn {
 } SResultColumn;
 
 typedef struct SReqResultInfo {
+  void*          pExecRes;
   const char*    pRspMsg;
   const char*    pData;
   TAOS_FIELD*    fields;      // todo, column names are not needed.
@@ -317,7 +318,7 @@ void hbMgrInitMqHbRspHandle();
 
 SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code, bool keepQuery, void** res);
 int32_t      getQueryPlan(SRequestObj* pRequest, SQuery* pQuery, SArray** pNodeList);
-int32_t      scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList, void** res);
+int32_t      scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList);
 int32_t      refreshMeta(STscObj* pTscObj, SRequestObj* pRequest);
 int32_t updateQnodeList(SAppInstInfo*pInfo, SArray* pNodeList);
 

source/client/src/clientEnv.c

@@ -212,6 +212,31 @@ void doFreeReqResultInfo(SReqResultInfo *pResInfo) {
   }
 }
 
+static void destroyExecRes(SRequestObj* pRequest) {
+  if (NULL == pRequest || NULL == pRequest->body.resInfo.pExecRes) {
+    return;
+  }
+
+  switch (pRequest->type) {
+    case TDMT_VND_ALTER_TABLE:
+    case TDMT_MND_ALTER_STB: {
+      tFreeSTableMetaRsp((STableMetaRsp *)pRequest->body.resInfo.pExecRes);
+      taosMemoryFree(pRequest->body.resInfo.pExecRes);
+      break;
+    }
+    case TDMT_VND_SUBMIT: {
+      tFreeSSubmitRsp((SSubmitRsp*)pRequest->body.resInfo.pExecRes);
+      break;
+    } 
+    case TDMT_VND_QUERY: {
+      taosArrayDestroy((SArray*)pRequest->body.resInfo.pExecRes);
+      break;
+    }
+    default:
+      tscError("invalid exec result for request type %d", pRequest->type);
+  }
+}
+
 static void doDestroyRequest(void *p) {
   assert(p != NULL);
   SRequestObj *pRequest = (SRequestObj *)p;
@@ -234,6 +259,8 @@ static void doDestroyRequest(void *p) {
   taosArrayDestroy(pRequest->tableList);
   taosArrayDestroy(pRequest->dbList);
 
+  destroyExecRes(pRequest);
+
   deregisterRequest(pRequest);
   taosMemoryFreeClear(pRequest);
 }

source/client/src/clientHb.c

@@ -120,7 +120,7 @@ static int32_t hbProcessStbInfoRsp(void *value, int32_t valueLen, struct SCatalo
         return TSDB_CODE_TSC_INVALID_VALUE;
       }
 
-      catalogUpdateSTableMeta(pCatalog, rsp);
+      catalogUpdateTableMeta(pCatalog, rsp);
     }
   }
 

source/client/src/clientImpl.c

@@ -386,18 +386,20 @@ int32_t scheduleAsyncQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNod
 }
 
 
-int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList, void** pRes) {
+int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList) {
   void* pTransporter = pRequest->pTscObj->pAppInfo->pTransporter;
 
   SQueryResult res = {.code = 0, .numOfRows = 0};
   int32_t      code = schedulerExecJob(pTransporter, pNodeList, pDag, &pRequest->body.queryJob, pRequest->sqlstr,
                                        pRequest->metric.start, &res);
+
+  pRequest->body.resInfo.pExecRes = res.res;
+
   if (code != TSDB_CODE_SUCCESS) {
     if (pRequest->body.queryJob != 0) {
       schedulerFreeJob(pRequest->body.queryJob);
     }
 
-    *pRes = res.res;
 
     pRequest->code = code;
     terrno = code;
@@ -412,8 +414,6 @@ int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList
     }
   }
 
-  *pRes = res.res;
-
   pRequest->code = res.code;
   terrno = res.code;
   return pRequest->code;
@@ -423,80 +423,104 @@ int32_t getQueryPlan(SRequestObj* pRequest, SQuery* pQuery, SArray** pNodeList)
   return getPlan(pRequest, pQuery, &pRequest->body.pDag, pNodeList);
 }
 
-int32_t validateSversion(SRequestObj* pRequest, void* res) {
-  SArray* pArray = NULL;
+int32_t handleSubmitExecRes(SRequestObj* pRequest, void* res, SCatalog* pCatalog, SEpSet *epset) {
   int32_t code = 0;
-
-  if (TDMT_VND_SUBMIT == pRequest->type) {
-    SSubmitRsp* pRsp = (SSubmitRsp*)res;
-    if (pRsp->nBlocks <= 0) {
-      return TSDB_CODE_SUCCESS;
-    }
-
-    pArray = taosArrayInit(pRsp->nBlocks, sizeof(STbSVersion));
-    if (NULL == pArray) {
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
-      return TSDB_CODE_OUT_OF_MEMORY;
+  SArray* pArray = NULL;
+  SSubmitRsp* pRsp = (SSubmitRsp*)res;
+  if (pRsp->nBlocks <= 0) {
+    return TSDB_CODE_SUCCESS;
+  }
+  
+  pArray = taosArrayInit(pRsp->nBlocks, sizeof(STbSVersion));
+  if (NULL == pArray) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  
+  for (int32_t i = 0; i < pRsp->nBlocks; ++i) {
+    SSubmitBlkRsp* blk = pRsp->pBlocks + i;
+    if (NULL == blk->tblFName || 0 == blk->tblFName[0]) {
+      continue;
     }
+  
+    STbSVersion tbSver = {.tbFName = blk->tblFName, .sver = blk->sver};
+    taosArrayPush(pArray, &tbSver);
+  }
 
-    for (int32_t i = 0; i < pRsp->nBlocks; ++i) {
-      SSubmitBlkRsp* blk = pRsp->pBlocks + i;
-      if (NULL == blk->tblFName || 0 == blk->tblFName[0]) {
-        continue;
-      }
+  code = catalogChkTbMetaVersion(pCatalog, pRequest->pTscObj->pAppInfo->pTransporter, epset, pArray);
 
-      STbSVersion tbSver = {.tbFName = blk->tblFName, .sver = blk->sver};
-      taosArrayPush(pArray, &tbSver);
-    }
-  } else if (TDMT_VND_QUERY == pRequest->type) {
-    SArray* pTbArray = (SArray*)res;
-    int32_t tbNum = taosArrayGetSize(pTbArray);
-    if (tbNum <= 0) {
-      return TSDB_CODE_SUCCESS;
-    }
+_return:
 
-    pArray = taosArrayInit(tbNum, sizeof(STbSVersion));
-    if (NULL == pArray) {
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
-      return TSDB_CODE_OUT_OF_MEMORY;
-    }
+  taosArrayDestroy(pArray);
+  return code;  
+}
 
-    for (int32_t i = 0; i < tbNum; ++i) {
-      STbVerInfo* tbInfo = taosArrayGet(pTbArray, i);
-      STbSVersion tbSver = {.tbFName = tbInfo->tbFName, .sver = tbInfo->sversion, .tver = tbInfo->tversion};
-      taosArrayPush(pArray, &tbSver);
-    }
+int32_t handleQueryExecRes(SRequestObj* pRequest, void* res, SCatalog* pCatalog, SEpSet *epset) {
+  int32_t code = 0;
+  SArray* pArray = NULL;
+  SArray* pTbArray = (SArray*)res;
+  int32_t tbNum = taosArrayGetSize(pTbArray);
+  if (tbNum <= 0) {
+    return TSDB_CODE_SUCCESS;
+  }
+  
+  pArray = taosArrayInit(tbNum, sizeof(STbSVersion));
+  if (NULL == pArray) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  
+  for (int32_t i = 0; i < tbNum; ++i) {
+    STbVerInfo* tbInfo = taosArrayGet(pTbArray, i);
+    STbSVersion tbSver = {.tbFName = tbInfo->tbFName, .sver = tbInfo->sversion, .tver = tbInfo->tversion};
+    taosArrayPush(pArray, &tbSver);
   }
 
-  SCatalog* pCatalog = NULL;
-  CHECK_CODE_GOTO(catalogGetHandle(pRequest->pTscObj->pAppInfo->clusterId, &pCatalog), _return);
-
-  SEpSet epset = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp);
-
-  code = catalogChkTbMetaVersion(pCatalog, pRequest->pTscObj->pAppInfo->pTransporter, &epset, pArray);
+  code = catalogChkTbMetaVersion(pCatalog, pRequest->pTscObj->pAppInfo->pTransporter, epset, pArray);
 
 _return:
 
   taosArrayDestroy(pArray);
+  return code;  
+}
 
-  return code;
+int32_t handleAlterTbExecRes(void* res, SCatalog* pCatalog) {
+  return catalogUpdateTableMeta(pCatalog, (STableMetaRsp*)res);
 }
 
-void freeRequestRes(SRequestObj* pRequest, void* res) {
-  if (NULL == pRequest || NULL == res) {
-    return;
+int32_t handleExecRes(SRequestObj* pRequest) {
+  int32_t code = 0;
+  SCatalog* pCatalog = NULL;
+  code = catalogGetHandle(pRequest->pTscObj->pAppInfo->clusterId, &pCatalog);
+  if (code) {
+    return code;
   }
+  
+  SEpSet epset = getEpSet_s(&pRequest->pTscObj->pAppInfo->mgmtEp);
 
-  if (TDMT_VND_SUBMIT == pRequest->type) {
-    tFreeSSubmitRsp((SSubmitRsp*)res);
-  } else if (TDMT_VND_QUERY == pRequest->type) {
-    taosArrayDestroy((SArray*)res);
+  switch (pRequest->type) {
+    case TDMT_VND_ALTER_TABLE: 
+    case TDMT_MND_ALTER_STB: {
+      code = handleAlterTbExecRes(pRequest->body.resInfo.pExecRes, pCatalog);
+      break;
+    }
+    case TDMT_VND_SUBMIT: {
+      code = handleSubmitExecRes(pRequest, pRequest->body.resInfo.pExecRes, pCatalog, &epset);
+      break;
+    } 
+    case TDMT_VND_QUERY: {
+      code = handleQueryExecRes(pRequest, pRequest->body.resInfo.pExecRes, pCatalog, &epset);
+      break;
+    }
+    default:
+      tscError("invalid exec result for request type %d", pRequest->type);
+      return TSDB_CODE_APP_ERROR;
   }
+
+  return code;
 }
 
 SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code, bool keepQuery, void** res) {
-  void* pRes = NULL;
-
   if (TSDB_CODE_SUCCESS == code) {
     switch (pQuery->execMode) {
       case QUERY_EXEC_MODE_LOCAL:
@@ -509,10 +533,7 @@ SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code
         SArray* pNodeList = NULL;
         code = getPlan(pRequest, pQuery, &pRequest->body.pDag, &pNodeList);
         if (TSDB_CODE_SUCCESS == code) {
-          code = scheduleQuery(pRequest, pRequest->body.pDag, pNodeList, &pRes);
-          if (NULL != pRes) {
-            code = validateSversion(pRequest, pRes);
-          }
+          code = scheduleQuery(pRequest, pRequest->body.pDag, pNodeList);
         }
         taosArrayDestroy(pNodeList);
         break;
@@ -529,15 +550,17 @@ SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code
     qDestroyQuery(pQuery);
   }
 
+  if (NULL != pRequest->body.resInfo.pExecRes) {
+    handleExecRes(pRequest);
+  }
+
   if (NULL != pRequest && TSDB_CODE_SUCCESS != code) {
     pRequest->code = terrno;
   }
 
   if (res) {
-    *res = pRes;
-  } else {
-    freeRequestRes(pRequest, pRes);
-    pRes = NULL;
+    *res = pRequest->body.resInfo.pExecRes;
+    pRequest->body.resInfo.pExecRes = NULL;
   }
 
   return pRequest;

source/client/src/clientMsgHandler.c

@@ -223,10 +223,32 @@ int32_t processDropDbRsp(void* param, const SDataBuf* pMsg, int32_t code) {
   return code;
 }
 
+int32_t processAlterStbRsp(void* param, const SDataBuf* pMsg, int32_t code) {
+  SRequestObj* pRequest = param;
+  if (code != TSDB_CODE_SUCCESS) {
+    setErrno(pRequest, code);
+    tsem_post(&pRequest->body.rspSem);
+    return code;
+  }
+
+  SMAlterStbRsp alterRsp = {0};
+  SDecoder coder = {0};
+  tDecoderInit(&coder, pMsg->pData, pMsg->len);
+  tDecodeSMAlterStbRsp(&coder, &alterRsp);
+  tDecoderClear(&coder);
+  
+  pRequest->body.resInfo.pExecRes = alterRsp.pMeta;
+
+  tsem_post(&pRequest->body.rspSem);
+  return code;
+}
+
+
 void initMsgHandleFp() {
   handleRequestRspFp[TMSG_INDEX(TDMT_MND_CONNECT)] = processConnectRsp;
   handleRequestRspFp[TMSG_INDEX(TDMT_MND_CREATE_DB)] = processCreateDbRsp;
   handleRequestRspFp[TMSG_INDEX(TDMT_MND_USE_DB)] = processUseDbRsp;
   handleRequestRspFp[TMSG_INDEX(TDMT_MND_CREATE_STB)] = processCreateTableRsp;
   handleRequestRspFp[TMSG_INDEX(TDMT_MND_DROP_DB)] = processDropDbRsp;
+  handleRequestRspFp[TMSG_INDEX(TDMT_MND_ALTER_STB)] = processAlterStbRsp;
 }

source/common/src/tmsg.c

@@ -694,6 +694,7 @@ void tFreeSMAltertbReq(SMAlterStbReq *pReq) {
   pReq->pFields = NULL;
 }
 
+
 int32_t tSerializeSEpSet(void *buf, int32_t bufLen, const SEpSet *pEpset) {
   SEncoder encoder = {0};
   tEncoderInit(&encoder, buf, bufLen);
@@ -4348,13 +4349,96 @@ int32_t tDecodeSVAlterTbReq(SDecoder *pDecoder, SVAlterTbReq *pReq) {
 int32_t tEncodeSVAlterTbRsp(SEncoder *pEncoder, const SVAlterTbRsp *pRsp) {
   if (tStartEncode(pEncoder) < 0) return -1;
   if (tEncodeI32(pEncoder, pRsp->code) < 0) return -1;
+  if (tEncodeI32(pEncoder, pRsp->pMeta ? 1 : 0) < 0) return -1;
+  if (pRsp->pMeta) {
+    if (tEncodeSTableMetaRsp(pEncoder, pRsp->pMeta) < 0) return -1;
+  }
   tEndEncode(pEncoder);
   return 0;
 }
 
 int32_t tDecodeSVAlterTbRsp(SDecoder *pDecoder, SVAlterTbRsp *pRsp) {
+  int32_t meta = 0;
   if (tStartDecode(pDecoder) < 0) return -1;
   if (tDecodeI32(pDecoder, &pRsp->code) < 0) return -1;
+  if (tDecodeI32(pDecoder, &meta) < 0) return -1;
+  if (meta) {
+    pRsp->pMeta = taosMemoryCalloc(1, sizeof(STableMetaRsp));
+    if (NULL == pRsp->pMeta) return -1;
+    if (tDecodeSTableMetaRsp(pDecoder, pRsp->pMeta) < 0) return -1;
+  }
+  tEndDecode(pDecoder);
+  return 0;
+}
+
+int32_t tDeserializeSVAlterTbRsp(void *buf, int32_t bufLen, SVAlterTbRsp *pRsp) {
+  int32_t meta = 0;
+  SDecoder decoder = {0};
+  tDecoderInit(&decoder, buf, bufLen);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeI32(&decoder, &pRsp->code) < 0) return -1;
+  if (tDecodeI32(&decoder, &meta) < 0) return -1;
+  if (meta) {
+    pRsp->pMeta = taosMemoryCalloc(1, sizeof(STableMetaRsp));
+    if (NULL == pRsp->pMeta) return -1;
+    if (tDecodeSTableMetaRsp(&decoder, pRsp->pMeta) < 0) return -1;
+  }
+  tEndDecode(&decoder);
+  tDecoderClear(&decoder);
+  return 0;
+}
+
+int32_t tEncodeSMAlterStbRsp(SEncoder *pEncoder, const SMAlterStbRsp *pRsp) {
+  if (tStartEncode(pEncoder) < 0) return -1;
+  if (tEncodeI32(pEncoder, pRsp->pMeta->pSchemas ? 1 : 0) < 0) return -1;
+  if (pRsp->pMeta->pSchemas) {
+    if (tEncodeSTableMetaRsp(pEncoder, pRsp->pMeta) < 0) return -1;
+  }
+  tEndEncode(pEncoder);
+  return 0;
+}
+
+int32_t tDecodeSMAlterStbRsp(SDecoder *pDecoder, SMAlterStbRsp *pRsp) {
+  int32_t meta = 0;
+  if (tStartDecode(pDecoder) < 0) return -1;
+  if (tDecodeI32(pDecoder, &meta) < 0) return -1;
+  if (meta) {
+    pRsp->pMeta = taosMemoryCalloc(1, sizeof(STableMetaRsp));
+    if (NULL == pRsp->pMeta) return -1;
+    if (tDecodeSTableMetaRsp(pDecoder, pRsp->pMeta) < 0) return -1;
+  }
   tEndDecode(pDecoder);
   return 0;
 }
+
+int32_t tDeserializeSMAlterStbRsp(void *buf, int32_t bufLen, SMAlterStbRsp *pRsp) {
+  int32_t meta = 0;
+  SDecoder decoder = {0};
+  tDecoderInit(&decoder, buf, bufLen);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeI32(&decoder, &meta) < 0) return -1;
+  if (meta) {
+    pRsp->pMeta = taosMemoryCalloc(1, sizeof(STableMetaRsp));
+    if (NULL == pRsp->pMeta) return -1;
+    if (tDecodeSTableMetaRsp(&decoder, pRsp->pMeta) < 0) return -1;
+  }
+  tEndDecode(&decoder);
+  tDecoderClear(&decoder);
+  return 0;
+}
+
+void tFreeSMAlterStbRsp(SMAlterStbRsp* pRsp) {
+  if (NULL == pRsp) {
+    return;
+  }
+
+  if (pRsp->pMeta) {
+    taosMemoryFree(pRsp->pMeta->pSchemas);
+    taosMemoryFree(pRsp->pMeta);
+  }
+}
+
+
+

source/dnode/mnode/impl/src/mndStb.c

@@ -1207,13 +1207,54 @@ static int32_t mndSetAlterStbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj
   return 0;
 }
 
+static int32_t mndBuildSMAlterStbRsp(SDbObj *pDb, const SMAlterStbReq *pAlter, SStbObj *pObj, void **pCont, int32_t *pLen) {
+  int           ret;
+  SEncoder      ec = {0};
+  uint32_t      contLen = 0; 
+  SMAlterStbRsp alterRsp = {0};
+  SName name = {0};
+  tNameFromString(&name, pAlter->name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
+
+  alterRsp.pMeta = taosMemoryCalloc(1, sizeof(STableMetaRsp));
+  if (NULL == alterRsp.pMeta) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+  
+  ret = mndBuildStbSchemaImp(pDb, pObj, name.tname, &alterRsp.meta);
+  if (ret) {
+    tFreeSMAlterStbRsp(&alterRsp);
+    return ret;
+  }
+  
+  tEncodeSize(tEncodeSMAlterStbRsp, &alterRsp, contLen, ret);
+  if (ret) {
+    tFreeSMAlterStbRsp(&alterRsp);
+    return ret;
+  }
+
+  void* cont = taosMemoryMalloc(contLen);
+  tEncoderInit(&ec, cont, contLen);
+  tEncodeSMAlterStbRsp(&ec, &alterRsp);
+  tEncoderClear(&ec);
+
+  tFreeSMAlterStbRsp(&alterRsp);
+
+  *pCont = cont;
+  *pLen = contLen;
+  
+  return 0;
+}
+
 static int32_t mndAlterStb(SMnode *pMnode, SRpcMsg *pReq, const SMAlterStbReq *pAlter, SDbObj *pDb, SStbObj *pOld) {
+  bool needRsp = true;
   SStbObj stbObj = {0};
   taosRLockLatch(&pOld->lock);
   memcpy(&stbObj, pOld, sizeof(SStbObj));
   stbObj.pColumns = NULL;
   stbObj.pTags = NULL;
   stbObj.updateTime = taosGetTimestampMs();
+  stbObj.lock = 0;
   taosRUnLockLatch(&pOld->lock);
 
   int32_t code = -1;
@@ -1247,9 +1288,11 @@ static int32_t mndAlterStb(SMnode *pMnode, SRpcMsg *pReq, const SMAlterStbReq *p
       code = mndAlterStbColumnBytes(pOld, &stbObj, pField0);
       break;
     case TSDB_ALTER_TABLE_UPDATE_OPTIONS:
+      needRsp = false;
       code = mndUpdateStbCommentAndTTL(pOld, &stbObj, pAlter->comment, pAlter->commentLen, pAlter->ttl);
       break;
     default:
+      needRsp = false;
       terrno = TSDB_CODE_OPS_NOT_SUPPORT;
       break;
   }
@@ -1263,6 +1306,13 @@ static int32_t mndAlterStb(SMnode *pMnode, SRpcMsg *pReq, const SMAlterStbReq *p
   mDebug("trans:%d, used to alter stb:%s", pTrans->id, pAlter->name);
   mndTransSetDbInfo(pTrans, pDb);
 
+  if (needRsp) {
+    void* pCont = NULL;
+    int32_t contLen = 0;
+    if (mndBuildSMAlterStbRsp(pDb, pAlter, &stbObj, &pCont, &contLen)) goto _OVER;
+    mndTransSetRpcRsp(pTrans, pCont, contLen);
+  }
+  
   if (mndSetAlterStbRedoLogs(pMnode, pTrans, pDb, &stbObj) != 0) goto _OVER;
   if (mndSetAlterStbCommitLogs(pMnode, pTrans, pDb, &stbObj) != 0) goto _OVER;
   if (mndSetAlterStbRedoActions(pMnode, pTrans, pDb, &stbObj) != 0) goto _OVER;

source/dnode/vnode/src/inc/vnodeInt.h

@@ -87,7 +87,7 @@ int             metaAlterSTable(SMeta* pMeta, int64_t version, SVCreateStbReq* p
 int             metaDropSTable(SMeta* pMeta, int64_t verison, SVDropStbReq* pReq);
 int             metaCreateTable(SMeta* pMeta, int64_t version, SVCreateTbReq* pReq);
 int             metaDropTable(SMeta* pMeta, int64_t version, SVDropTbReq* pReq, SArray* tbUids);
-int             metaAlterTable(SMeta* pMeta, int64_t version, SVAlterTbReq* pReq);
+int             metaAlterTable(SMeta* pMeta, int64_t version, SVAlterTbReq* pReq, STableMetaRsp *pMetaRsp);
 SSchemaWrapper* metaGetTableSchema(SMeta* pMeta, tb_uid_t uid, int32_t sver, bool isinline);
 STSchema*       metaGetTbTSchema(SMeta* pMeta, tb_uid_t uid, int32_t sver);
 int             metaGetTableEntryByName(SMetaReader* pReader, const char* name);

source/dnode/vnode/src/meta/metaTable.c

@@ -25,6 +25,24 @@ static int metaUpdateCtbIdx(SMeta *pMeta, const SMetaEntry *pME);
 static int metaUpdateTagIdx(SMeta *pMeta, const SMetaEntry *pCtbEntry);
 static int metaDropTableByUid(SMeta *pMeta, tb_uid_t uid, int *type);
 
+static int metaUpdateMetaRsp(tb_uid_t uid, char* tbName, SSchemaWrapper *pSchema, STableMetaRsp *pMetaRsp) {
+  pMetaRsp->pSchemas = taosMemoryMalloc(pSchema->nCols * sizeof(SSchema));
+  if (NULL == pMetaRsp->pSchemas) {
+    terrno = TSDB_CODE_VND_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  strcpy(pMetaRsp->tbName, tbName);
+  pMetaRsp->numOfColumns = pSchema->nCols;
+  pMetaRsp->tableType = TSDB_NORMAL_TABLE;
+  pMetaRsp->sversion = pSchema->version;
+  pMetaRsp->tuid = uid;
+
+  memcpy(pMetaRsp->pSchemas, pSchema->pSchema, pSchema->nCols * sizeof(SSchema));
+
+  return 0;
+}
+
 int metaCreateSTable(SMeta *pMeta, int64_t version, SVCreateStbReq *pReq) {
   SMetaEntry  me = {0};
   int         kLen = 0;
@@ -323,7 +341,7 @@ static int metaDropTableByUid(SMeta *pMeta, tb_uid_t uid, int *type) {
   return 0;
 }
 
-static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTbReq) {
+static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTbReq, STableMetaRsp *pMetaRsp) {
   void *          pVal = NULL;
   int             nVal = 0;
   const void *    pData = NULL;
@@ -463,6 +481,8 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
 
   metaULock(pMeta);
 
+  metaUpdateMetaRsp(uid, pAlterTbReq->tbName, pSchema, pMetaRsp);
+
   if (pNewSchema) taosMemoryFree(pNewSchema);
   tDecoderClear(&dc);
   tdbTbcClose(pTbDbc);
@@ -619,13 +639,13 @@ static int metaUpdateTableOptions(SMeta *pMeta, int64_t version, SVAlterTbReq *p
   return 0;
 }
 
-int metaAlterTable(SMeta *pMeta, int64_t version, SVAlterTbReq *pReq) {
+int metaAlterTable(SMeta *pMeta, int64_t version, SVAlterTbReq *pReq, STableMetaRsp *pMetaRsp) {
   switch (pReq->action) {
     case TSDB_ALTER_TABLE_ADD_COLUMN:
     case TSDB_ALTER_TABLE_DROP_COLUMN:
     case TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES:
     case TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME:
-      return metaAlterTableColumn(pMeta, version, pReq);
+      return metaAlterTableColumn(pMeta, version, pReq, pMetaRsp);
     case TSDB_ALTER_TABLE_UPDATE_TAG_VAL:
       return metaUpdateTableTagVal(pMeta, version, pReq);
     case TSDB_ALTER_TABLE_UPDATE_OPTIONS:

source/dnode/vnode/src/vnd/vnodeSvr.c

@@ -248,6 +248,13 @@ void smaHandleRes(void *pVnode, int64_t smaId, const SArray *data) {
   tdProcessTSmaInsert(((SVnode *)pVnode)->pSma, smaId, (const char *)data);
 }
 
+void vnodeUpdateMetaRsp(SVnode *pVnode, STableMetaRsp *pMetaRsp) {
+  strcpy(pMetaRsp->dbFName, pVnode->config.dbname);
+  pMetaRsp->dbId = pVnode->config.dbId;
+  pMetaRsp->vgId = TD_VID(pVnode);
+  pMetaRsp->precision = pVnode->config.tsdbCfg.precision;
+}
+
 int vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
   int32_t ret = TAOS_SYNC_PROPOSE_OTHER_ERROR;
 
@@ -517,12 +524,13 @@ _exit:
 }
 
 static int vnodeProcessAlterTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
-  SVAlterTbReq vAlterTbReq = {0};
-  SVAlterTbRsp vAlterTbRsp = {0};
-  SDecoder     dc = {0};
-  int          rcode = 0;
-  int          ret;
-  SEncoder     ec = {0};
+  SVAlterTbReq  vAlterTbReq = {0};
+  SVAlterTbRsp  vAlterTbRsp = {0};
+  SDecoder      dc = {0};
+  int           rcode = 0;
+  int           ret;
+  SEncoder      ec = {0};
+  STableMetaRsp vMetaRsp = {0};
 
   pRsp->msgType = TDMT_VND_ALTER_TABLE_RSP;
   pRsp->pCont = NULL;
@@ -540,7 +548,7 @@ static int vnodeProcessAlterTbReq(SVnode *pVnode, int64_t version, void *pReq, i
   }
 
   // process
-  if (metaAlterTable(pVnode->pMeta, version, &vAlterTbReq) < 0) {
+  if (metaAlterTable(pVnode->pMeta, version, &vAlterTbReq, &vMetaRsp) < 0) {
     vAlterTbRsp.code = TSDB_CODE_INVALID_MSG;
     tDecoderClear(&dc);
     rcode = -1;
@@ -548,6 +556,11 @@ static int vnodeProcessAlterTbReq(SVnode *pVnode, int64_t version, void *pReq, i
   }
   tDecoderClear(&dc);
 
+  if (NULL != vMetaRsp.pSchemas) {
+    vnodeUpdateMetaRsp(pVnode, &vMetaRsp);
+    vAlterTbRsp.pMeta = &vMetaRsp;
+  }
+
 _exit:
   tEncodeSize(tEncodeSVAlterTbRsp, &vAlterTbRsp, pRsp->contLen, ret);
   pRsp->pCont = rpcMallocCont(pRsp->contLen);

source/libs/catalog/inc/catalogInt.h

@@ -302,7 +302,7 @@ typedef struct SCtgUpdateEpsetMsg {
 typedef struct SCtgCacheOperation {
   int32_t  opId;
   void    *data;
-  bool     syncReq;
+  bool     syncOp;
   uint64_t seqId;
 } SCtgCacheOperation;
 

source/libs/catalog/src/catalog.c

@@ -314,6 +314,36 @@ _return:
   CTG_RET(code);
 }
 
+int32_t ctgUpdateTbMeta(SCatalog* pCtg, STableMetaRsp *rspMsg, bool syncOp) {
+  STableMetaOutput *output = taosMemoryCalloc(1, sizeof(STableMetaOutput));
+  if (NULL == output) {
+    ctgError("malloc %d failed", (int32_t)sizeof(STableMetaOutput));
+    CTG_ERR_RET(TSDB_CODE_CTG_MEM_ERROR);
+  }
+  
+  int32_t code = 0;
+
+  strcpy(output->dbFName, rspMsg->dbFName);
+  strcpy(output->tbName, rspMsg->tbName);
+
+  output->dbId = rspMsg->dbId;
+  
+  SET_META_TYPE_TABLE(output->metaType);
+  
+  CTG_ERR_JRET(queryCreateTableMetaFromMsg(rspMsg, rspMsg->tableType == TSDB_SUPER_TABLE, &output->tbMeta));
+
+  CTG_ERR_JRET(ctgUpdateTbMetaEnqueue(pCtg, output, syncOp));
+
+  return TSDB_CODE_SUCCESS;
+  
+_return:
+
+  taosMemoryFreeClear(output->tbMeta);
+  taosMemoryFreeClear(output);
+  
+  CTG_RET(code);
+}
+
 
 int32_t ctgChkAuth(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, const char* user, const char* dbFName, AUTH_TYPE type, bool *pass) {
   bool inCache = false;
@@ -779,38 +809,17 @@ int32_t catalogGetSTableMeta(SCatalog* pCtg, void * pTrans, const SEpSet* pMgmtE
   CTG_API_LEAVE(ctgGetTbMeta(CTG_PARAMS_LIST(), &ctx, pTableMeta));
 }
 
-int32_t catalogUpdateSTableMeta(SCatalog* pCtg, STableMetaRsp *rspMsg) {
+int32_t catalogUpdateTableMeta(SCatalog* pCtg, STableMetaRsp *pMsg) {
   CTG_API_ENTER();
 
-  if (NULL == pCtg || NULL == rspMsg) {
+  if (NULL == pCtg || NULL == pMsg) {
     CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
   }
 
-  STableMetaOutput *output = taosMemoryCalloc(1, sizeof(STableMetaOutput));
-  if (NULL == output) {
-    ctgError("malloc %d failed", (int32_t)sizeof(STableMetaOutput));
-    CTG_API_LEAVE(TSDB_CODE_CTG_MEM_ERROR);
-  }
-  
   int32_t code = 0;
-
-  strcpy(output->dbFName, rspMsg->dbFName);
-  strcpy(output->tbName, rspMsg->tbName);
-
-  output->dbId = rspMsg->dbId;
-  
-  SET_META_TYPE_TABLE(output->metaType);
-  
-  CTG_ERR_JRET(queryCreateTableMetaFromMsg(rspMsg, true, &output->tbMeta));
-
-  CTG_ERR_JRET(ctgUpdateTbMetaEnqueue(pCtg, output, false));
-
-  CTG_API_LEAVE(code);
+  CTG_ERR_JRET(ctgUpdateTbMeta(pCtg, pMsg, true));
   
 _return:
-
-  taosMemoryFreeClear(output->tbMeta);
-  taosMemoryFreeClear(output);
   
   CTG_API_LEAVE(code);
 }

source/libs/catalog/src/ctgCache.c

@@ -552,7 +552,7 @@ int32_t ctgEnqueue(SCatalog* pCtg, SCtgCacheOperation *operation) {
 
   ctgDebug("action [%s] added into queue", gCtgCacheOperation[operation->opId].name);
 
-  if (operation->syncReq) {
+  if (operation->syncOp) {
     ctgWaitOpDone(operation);
   }
 
@@ -591,9 +591,9 @@ _return:
 }
 
 
-int32_t ctgDropStbMetaEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, const char *stbName, uint64_t suid, bool syncReq) {
+int32_t ctgDropStbMetaEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, const char *stbName, uint64_t suid, bool syncOp) {
   int32_t code = 0;
-  SCtgCacheOperation action= {.opId = CTG_OP_DROP_STB_META, .syncReq = syncReq};
+  SCtgCacheOperation action= {.opId = CTG_OP_DROP_STB_META, .syncOp = syncOp};
   SCtgRemoveStbMsg *msg = taosMemoryMalloc(sizeof(SCtgRemoveStbMsg));
   if (NULL == msg) {
     ctgError("malloc %d failed", (int32_t)sizeof(SCtgRemoveStbMsg));
@@ -620,9 +620,9 @@ _return:
 
 
 
-int32_t ctgDropTbMetaEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, const char *tbName, bool syncReq) {
+int32_t ctgDropTbMetaEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, const char *tbName, bool syncOp) {
   int32_t code = 0;
-  SCtgCacheOperation action= {.opId = CTG_OP_DROP_TB_META, .syncReq = syncReq};
+  SCtgCacheOperation action= {.opId = CTG_OP_DROP_TB_META, .syncOp = syncOp};
   SCtgRemoveTblMsg *msg = taosMemoryMalloc(sizeof(SCtgRemoveTblMsg));
   if (NULL == msg) {
     ctgError("malloc %d failed", (int32_t)sizeof(SCtgRemoveTblMsg));
@@ -646,9 +646,9 @@ _return:
   CTG_RET(code);
 }
 
-int32_t ctgUpdateVgroupEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, SDBVgInfo* dbInfo, bool syncReq) {
+int32_t ctgUpdateVgroupEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, SDBVgInfo* dbInfo, bool syncOp) {
   int32_t code = 0;
-  SCtgCacheOperation action= {.opId = CTG_OP_UPDATE_VGROUP, .syncReq = syncReq};
+  SCtgCacheOperation action= {.opId = CTG_OP_UPDATE_VGROUP, .syncOp = syncOp};
   SCtgUpdateVgMsg *msg = taosMemoryMalloc(sizeof(SCtgUpdateVgMsg));
   if (NULL == msg) {
     ctgError("malloc %d failed", (int32_t)sizeof(SCtgUpdateVgMsg));
@@ -679,9 +679,9 @@ _return:
   CTG_RET(code);
 }
 
-int32_t ctgUpdateTbMetaEnqueue(SCatalog* pCtg, STableMetaOutput *output, bool syncReq) {
+int32_t ctgUpdateTbMetaEnqueue(SCatalog* pCtg, STableMetaOutput *output, bool syncOp) {
   int32_t code = 0;
-  SCtgCacheOperation action= {.opId = CTG_OP_UPDATE_TB_META, .syncReq = syncReq};
+  SCtgCacheOperation action= {.opId = CTG_OP_UPDATE_TB_META, .syncOp = syncOp};
   SCtgUpdateTblMsg *msg = taosMemoryMalloc(sizeof(SCtgUpdateTblMsg));
   if (NULL == msg) {
     ctgError("malloc %d failed", (int32_t)sizeof(SCtgUpdateTblMsg));
@@ -738,9 +738,9 @@ _return:
 
 
 
-int32_t ctgUpdateUserEnqueue(SCatalog* pCtg, SGetUserAuthRsp *pAuth, bool syncReq) {
+int32_t ctgUpdateUserEnqueue(SCatalog* pCtg, SGetUserAuthRsp *pAuth, bool syncOp) {
   int32_t code = 0;
-  SCtgCacheOperation action= {.opId = CTG_OP_UPDATE_USER, .syncReq = syncReq};
+  SCtgCacheOperation action= {.opId = CTG_OP_UPDATE_USER, .syncOp = syncOp};
   SCtgUpdateUserMsg *msg = taosMemoryMalloc(sizeof(SCtgUpdateUserMsg));
   if (NULL == msg) {
     ctgError("malloc %d failed", (int32_t)sizeof(SCtgUpdateUserMsg));
@@ -1574,7 +1574,7 @@ void* ctgUpdateThreadFunc(void* param) {
 
     gCtgMgmt.queue.seqDone = operation->seqId;
 
-    if (operation->syncReq) {
+    if (operation->syncOp) {
       tsem_post(&gCtgMgmt.queue.rspSem);
     }
 

source/libs/catalog/test/catalogTests.cpp

@@ -1380,7 +1380,7 @@ TEST(tableMeta, updateStbMeta) {
   STableMetaRsp rsp = {0};
   ctgTestBuildSTableMetaRsp(&rsp);
 
-  code = catalogUpdateSTableMeta(pCtg, &rsp);
+  code = catalogUpdateTableMeta(pCtg, &rsp);
   ASSERT_EQ(code, 0);
   taosMemoryFreeClear(rsp.pSchemas);
 

source/libs/qcom/src/querymsg.c

@@ -273,7 +273,7 @@ static int32_t queryConvertTableMetaMsg(STableMetaRsp *pMetaMsg) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryCreateTableMetaFromMsg(STableMetaRsp *msg, bool isSuperTable, STableMeta **pMeta) {
+int32_t queryCreateTableMetaFromMsg(STableMetaRsp *msg, bool isStb, STableMeta **pMeta) {
   int32_t total = msg->numOfColumns + msg->numOfTags;
   int32_t metaSize = sizeof(STableMeta) + sizeof(SSchema) * total;
 
@@ -283,14 +283,14 @@ int32_t queryCreateTableMetaFromMsg(STableMetaRsp *msg, bool isSuperTable, STabl
     return TSDB_CODE_TSC_OUT_OF_MEMORY;
   }
 
-  pTableMeta->vgId = isSuperTable ? 0 : msg->vgId;
-  pTableMeta->tableType = isSuperTable ? TSDB_SUPER_TABLE : msg->tableType;
-  pTableMeta->uid = isSuperTable ? msg->suid : msg->tuid;
+  pTableMeta->vgId = isStb ? 0 : msg->vgId;
+  pTableMeta->tableType = isStb ? TSDB_SUPER_TABLE : msg->tableType;
+  pTableMeta->uid = isStb ? msg->suid : msg->tuid;
   pTableMeta->suid = msg->suid;
   pTableMeta->sversion = msg->sversion;
   pTableMeta->tversion = msg->tversion;
 
-  if (isSuperTable) {
+  if (isStb) {
     qDebug("stable %s meta returned, suid:%" PRIx64, msg->stbName, pTableMeta->suid);
   }
 

source/libs/scheduler/src/schRemote.c

@@ -162,6 +162,8 @@ int32_t schHandleResponseMsg(SSchJob *pJob, SSchTask *pTask, int32_t msgType, ch
         tDecoderClear(&coder);
         SCH_ERR_JRET(code);
         SCH_ERR_JRET(rsp.code);
+        
+        pJob->queryRes = rsp.pMeta;
       }
 
       SCH_ERR_JRET(rspCode);