(query):check sversion/tversion when query rsp instead of fetch rsp

src/client/src/tscServer.c

@@ -2704,14 +2704,29 @@ int tscProcessQueryRsp(SSqlObj *pSql) {
   pRes->data = NULL;
 
   tscResetForNextRetrieve(pRes);
-  tscDebug("0x%"PRIx64" query rsp received, qId:0x%"PRIx64, pSql->self, pRes->qId);
 
+  int32_t sVersion = -1;
+  int32_t tVersion = -1;
+  if (pQueryAttr->extend == 1) {
+    STLV* tlv = (STLV*)(pRes->pRsp + sizeof(SQueryTableRsp));
+    while (tlv->type != TLV_TYPE_END_MARK) {
+      switch (ntohs(tlv->type)) {
+        case TLV_TYPE_META_VERSION:
+          sVersion = ntohl(*(int32_t*)tlv->value);
+          tVersion = ntohl(*(int32_t*)(tlv->value + sizeof(int32_t)));
+          break;
+      }
+      tlv = (STLV*) ((char*)tlv + sizeof(STLV) + ntohl(tlv->len));
+    }
+  }
   STableMetaInfo* tableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, 0);
-  if (tableMetaInfo->pTableMeta->sversion < pQueryAttr->sVersion ||
-      tableMetaInfo->pTableMeta->tversion < pQueryAttr->tVersion) {
+  if (tableMetaInfo->pTableMeta->sversion < sVersion ||
+      tableMetaInfo->pTableMeta->tversion < tVersion) {
     return TSDB_CODE_TSC_INVALID_SCHEMA_VERSION;
   }
 
+  tscDebug("0x%"PRIx64" query rsp received, qId:0x%"PRIx64, pSql->self, pRes->qId);
+
   return 0;
 }
 
@@ -2802,16 +2817,16 @@ int tscProcessRetrieveRspFromNode(SSqlObj *pSql) {
     tscSetResRawPtr(pRes, pQueryInfo, pRes->dataConverted);
   }
 
-  char* p = NULL;
-  if (pRetrieve->compressed) {
-    p = pRetrieve->data + ntohl(pRetrieve->compLen) + pQueryInfo->fieldsInfo.numOfOutput * sizeof(int32_t);
-  } else {
-    p = pRetrieve->data + ntohl(pRetrieve->compLen);
-  }
+  if (pSql->pSubscription != NULL) {
+    int32_t numOfCols = pQueryInfo->fieldsInfo.numOfOutput;
+
+    TAOS_FIELD *pField = tscFieldInfoGetField(&pQueryInfo->fieldsInfo, numOfCols - 1);
+    int16_t     offset = tscFieldInfoGetOffset(pQueryInfo, numOfCols - 1);
+
+    char* p = pRes->data + (pField->bytes + offset) * pRes->numOfRows;
 
     int32_t numOfTables = htonl(*(int32_t*)p);
     p += sizeof(int32_t);
-  if (pSql->pSubscription != NULL) {
     for (int i = 0; i < numOfTables; i++) {
       int64_t uid = htobe64(*(int64_t*)p);
       p += sizeof(int64_t);
@@ -2820,35 +2835,16 @@ int tscProcessRetrieveRspFromNode(SSqlObj *pSql) {
       p += sizeof(TSKEY);
       tscUpdateSubscriptionProgress(pSql->pSubscription, uid, key);
     }
-  } else {
-    p += numOfTables * sizeof(STableIdInfo);
   }
 
   pRes->row = 0;
   tscDebug("0x%"PRIx64" numOfRows:%d, offset:%" PRId64 ", complete:%d, qId:0x%"PRIx64, pSql->self, pRes->numOfRows, pRes->offset,
            pRes->completed, pRes->qId);
 
-  if (pRetrieve->extend == 1) {
-    STLV* tlv = (STLV*)(p);
-    while (tlv->type != TLV_TYPE_END_MARK) {
-      switch (ntohs(tlv->type)) {
-        case TLV_TYPE_META_VERSION:
-          pRes->sVersion = ntohl(*(int32_t*)tlv->value);
-          pRes->tVersion = ntohl(*(int32_t*)(tlv->value + sizeof(int32_t)));
-          break;
-      }
-      tlv = (STLV*) ((char*)tlv + sizeof(STLV) + ntohl(tlv->len));
-    }
-  }
-
-  STableMeta*     pTableMeta = pTableMetaInfo->pTableMeta;
-  if (pTableMeta->sversion < pSql->res.sVersion || pTableMeta->tversion < pSql->res.tVersion) {
-    return TSDB_CODE_TSC_INVALID_SCHEMA_VERSION;
-  }
-
   return 0;
 }
 
+
 void tscTableMetaCallBack(void *param, TAOS_RES *res, int code);
 
 static int32_t getTableMetaFromMnode(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo, bool autocreate) {

src/inc/taosmsg.h

@@ -530,8 +530,6 @@ typedef struct {
   int8_t   extend;
   int32_t  code;
   union{uint64_t qhandle; uint64_t qId;}; // query handle
-  int32_t sVersion;
-  int32_t tVersion;
 } SQueryTableRsp;
 
 // todo: the show handle should be replaced with id

src/query/src/queryMain.c

@@ -390,14 +390,11 @@ int32_t qDumpRetrieveResult(qinfo_t qinfo, SRetrieveTableRsp **pRsp, int32_t *co
 
   int32_t s = GET_NUM_OF_RESULTS(pRuntimeEnv);
   size_t size = pQueryAttr->resultRowSize * s;
-  int32_t contLenSubscriptions = (int32_t)(size + sizeof(SRetrieveTableRsp));
   size += sizeof(int32_t);
   size += sizeof(STableIdInfo) * taosHashGetSize(pRuntimeEnv->pTableRetrieveTsMap);
 
   *contLen = (int32_t)(size + sizeof(SRetrieveTableRsp));
-  int32_t contLenBeforeTLV = *contLen;
-  *contLen += (sizeof(STLV) + sizeof(int32_t) + sizeof(int32_t)); //tlv meta version
-  *contLen += sizeof(STLV); // tlv end mark
+
   // current solution only avoid crash, but cannot return error code to client
   *pRsp = (SRetrieveTableRsp *)rpcMallocCont(*contLen);
   if (*pRsp == NULL) {
@@ -405,6 +402,7 @@ int32_t qDumpRetrieveResult(qinfo_t qinfo, SRetrieveTableRsp **pRsp, int32_t *co
   }
 
   (*pRsp)->numOfRows = htonl((int32_t)s);
+
   if (pQInfo->code == TSDB_CODE_SUCCESS) {
     (*pRsp)->offset   = htobe64(pQInfo->runtimeEnv.currentOffset);
     (*pRsp)->useconds = htobe64(pQInfo->summary.elapsedTime);
@@ -422,25 +420,16 @@ int32_t qDumpRetrieveResult(qinfo_t qinfo, SRetrieveTableRsp **pRsp, int32_t *co
     setQueryStatus(pRuntimeEnv, QUERY_OVER);
   }
 
-  RESET_NUM_OF_RESULTS(&(pQInfo->runtimeEnv));
-  pQInfo->lastRetrieveTs = taosGetTimestampMs();
-
+  if ((*pRsp)->compressed && compLen != 0) {
     int32_t numOfCols = pQueryAttr->pExpr2 ? pQueryAttr->numOfExpr2 : pQueryAttr->numOfOutput;
     int32_t origSize  = pQueryAttr->resultRowSize * s;
     int32_t compSize  = compLen + numOfCols * sizeof(int32_t);
-  if ((*pRsp)->compressed && compLen != 0) {
     *contLen = *contLen - origSize + compSize;
-    contLenSubscriptions = contLenSubscriptions - origSize + compSize;
-    contLenBeforeTLV = contLenBeforeTLV - origSize + compSize;
     *pRsp = (SRetrieveTableRsp *)rpcReallocCont(*pRsp, *contLen);
     qDebug("QInfo:0x%"PRIx64" compress col data, uncompressed size:%d, compressed size:%d, ratio:%.2f",
            pQInfo->qId, origSize, compSize, (float)origSize / (float)compSize);
   }
-  if ((*pRsp)->compressed) {
   (*pRsp)->compLen = htonl(compLen);
-  } else {
-    (*pRsp)->compLen = htonl(origSize);
-  }
 
   pQInfo->rspContext = NULL;
   pQInfo->dataReady  = QUERY_RESULT_NOT_READY;
@@ -455,19 +444,6 @@ int32_t qDumpRetrieveResult(qinfo_t qinfo, SRetrieveTableRsp **pRsp, int32_t *co
     qDebug("QInfo:0x%"PRIx64" has more results to retrieve", pQInfo->qId);
   }
 
-  (*pRsp)->extend = 1;
-  *(int32_t*)((char*)(*pRsp) + contLenSubscriptions) = htonl(taosHashGetSize(pRuntimeEnv->pTableRetrieveTsMap));
-  STLV* tlv = (STLV*)((char*)(*pRsp) + contLenBeforeTLV);
-  tlv->type = htons(TLV_TYPE_META_VERSION);
-  tlv->len = htonl(sizeof(int32_t) + sizeof(int32_t));
-  int32_t sVersion = htonl(pQueryAttr->tableGroupInfo.sVersion);
-  int32_t tVersion = htonl(pQueryAttr->tableGroupInfo.tVersion);
-  memcpy(tlv->value, &sVersion, sizeof(int32_t));
-  memcpy(tlv->value + sizeof(int32_t), &tVersion, sizeof(int32_t));
-
-  STLV* tlvEnd = (STLV*)((char*)tlv + sizeof(STLV) + ntohl(tlv->len));
-  tlvEnd->type = htons(TLV_TYPE_END_MARK);
-  tlvEnd->len = 0;
   // the memory should be freed if the code of pQInfo is not TSDB_CODE_SUCCESS
   if (pQInfo->code != TSDB_CODE_SUCCESS) {
     rpcFreeCont(*pRsp);

src/vnode/src/vnodeRead.c

@@ -243,14 +243,27 @@ static int32_t vnodeProcessQueryMsg(SVnodeObj *pVnode, SVReadMsg *pRead) {
     int32_t tagVersion = -1;
     code = qCreateQueryInfo(pVnode->tsdb, pVnode->vgId, pQueryTableMsg, &pQInfo, qId, &schemaVersion, &tagVersion);
 
-    SQueryTableRsp *pRsp = (SQueryTableRsp *)rpcMallocCont(sizeof(SQueryTableRsp));
+    size_t rspLen = sizeof(SQueryTableRsp);
+    rspLen += (sizeof(STLV) + sizeof(int32_t) + sizeof(int32_t));
+    rspLen += sizeof(STLV);
+    SQueryTableRsp *pRsp = (SQueryTableRsp *)rpcMallocCont(rspLen);
     pRsp->code = code;
     pRsp->qId  = 0;
 
-    pRsp->sVersion = schemaVersion;
-    pRsp->tVersion = tagVersion;
+    pRsp->extend = 1;
+    STLV* tlv = (STLV*)((char*)(pRsp) + sizeof(SQueryTableRsp));
+    tlv->type = htons(TLV_TYPE_META_VERSION);
+    tlv->len = htonl(sizeof(int32_t) + sizeof(int32_t));
+    int32_t sVersion = htonl(schemaVersion);
+    int32_t tVersion = htonl(tagVersion);
+    memcpy(tlv->value, &sVersion, sizeof(int32_t));
+    memcpy(tlv->value + sizeof(int32_t), &tVersion, sizeof(int32_t));
 
-    pRet->len = sizeof(SQueryTableRsp);
+    STLV* tlvEnd = (STLV*)((char*)tlv + sizeof(STLV) + ntohl(tlv->len));
+    tlvEnd->type = htons(TLV_TYPE_END_MARK);
+    tlvEnd->len = 0;
+
+    pRet->len = rspLen;
     pRet->rsp = pRsp;
     int32_t vgId = pVnode->vgId;