[td-1373]

src/client/inc/tscUtil.h

@@ -215,7 +215,7 @@ SQueryInfo *tscGetQueryInfoDetailSafely(SSqlCmd *pCmd, int32_t subClauseIndex);
 void tscClearTableMetaInfo(STableMetaInfo* pTableMetaInfo, bool removeFromCache);
 
 STableMetaInfo* tscAddTableMetaInfo(SQueryInfo* pQueryInfo, const char* name, STableMeta* pTableMeta,
-    SVgroupsInfo* vgroupList, SArray* pTagCols);
+    SVgroupsInfo* vgroupList, SArray* pTagCols, SArray* pVgroupTables);
 
 STableMetaInfo* tscAddEmptyMetaInfo(SQueryInfo *pQueryInfo);
 int32_t tscAddSubqueryInfo(SSqlCmd *pCmd);
@@ -224,6 +224,8 @@ void tscInitQueryInfo(SQueryInfo* pQueryInfo);
 
 void tscClearSubqueryInfo(SSqlCmd* pCmd);
 void tscFreeVgroupTableInfo(SArray* pVgroupTables);
+SArray* tscCloneVgroupTableInfo(SArray* pVgroupTables);
+void tscRemoveVgroupTableGroup(SArray* pVgroupTable, int32_t index);
 
 int  tscGetSTableVgroupInfo(SSqlObj* pSql, int32_t clauseIndex);
 int  tscGetTableMeta(SSqlObj* pSql, STableMetaInfo* pTableMetaInfo);

src/client/src/tscServer.c

@@ -2283,7 +2283,7 @@ int tscGetSTableVgroupInfo(SSqlObj *pSql, int32_t clauseIndex) {
   for (int32_t i = 0; i < pQueryInfo->numOfTables; ++i) {
     STableMetaInfo *pMInfo = tscGetMetaInfo(pQueryInfo, i);
     STableMeta *pTableMeta = taosCacheAcquireByData(tscMetaCache, pMInfo->pTableMeta);
-    tscAddTableMetaInfo(pNewQueryInfo, pMInfo->name, pTableMeta, NULL, pMInfo->tagColList);
+    tscAddTableMetaInfo(pNewQueryInfo, pMInfo->name, pTableMeta, NULL, pMInfo->tagColList, pMInfo->pVgroupTables);
   }
 
   if ((code = tscAllocPayload(&pNew->cmd, TSDB_DEFAULT_PAYLOAD_SIZE)) != TSDB_CODE_SUCCESS) {

src/client/src/tscSubquery.c

@@ -360,6 +360,31 @@ static int32_t tscLaunchRealSubqueries(SSqlObj* pSql) {
       pExpr->numOfParams = 1;
     }
 
+    int32_t num = 0;
+    int32_t *list = NULL;
+    tsBufGetVnodeIdList(pSupporter->pTSBuf, &num, &list);
+
+    for(int32_t k = 0; k < taosArrayGetSize(pTableMetaInfo->pVgroupTables);) {
+      SVgroupTableInfo* p = taosArrayGet(pTableMetaInfo->pVgroupTables, k);
+
+      bool found = false;
+      for(int32_t f = 0; f < num; ++f) {
+        if (p->vgInfo.vgId == list[f]) {
+          found = true;
+          break;
+        }
+      }
+
+      if (!found) {
+        tscRemoveVgroupTableGroup(pTableMetaInfo->pVgroupTables, k);
+      } else {
+        k++;
+      }
+    }
+
+    taosTFree(list);
+    assert(taosArrayGetSize(pTableMetaInfo->pVgroupTables) > 0);
+
     size_t numOfCols = taosArrayGetSize(pNewQueryInfo->colList);
     tscDebug("%p subquery:%p tableIndex:%d, vgroupIndex:%d, type:%d, exprInfo:%" PRIzu ", colList:%" PRIzu ", fieldsInfo:%d, name:%s",
              pSql, pNew, 0, pTableMetaInfo->vgroupIndex, pNewQueryInfo->type, taosArrayGetSize(pNewQueryInfo->exprList),
@@ -828,6 +853,8 @@ static void tsCompRetrieveCallback(void* param, TAOS_RES* tres, int32_t numOfRow
   // launch the query the retrieve actual results from vnode along with the filtered timestamp
   SQueryInfo* pPQueryInfo = tscGetQueryInfoDetail(&pParentSql->cmd, pParentSql->cmd.clauseIndex);
   updateQueryTimeRange(pPQueryInfo, &win);
+
+  //update the vgroup that involved in real data query
   tscLaunchRealSubqueries(pParentSql);
 }
 

src/client/src/tscUtil.c

@@ -1680,19 +1680,64 @@ void tscClearSubqueryInfo(SSqlCmd* pCmd) {
 }
 
 void tscFreeVgroupTableInfo(SArray* pVgroupTables) {
-  if (pVgroupTables != NULL) {
+  if (pVgroupTables == NULL) {
-    size_t num = taosArrayGetSize(pVgroupTables);
+    return;
-    for (size_t i = 0; i < num; i++) {
-      SVgroupTableInfo* pInfo = taosArrayGet(pVgroupTables, i);
-
-      for(int32_t j = 0; j < pInfo->vgInfo.numOfEps; ++j) {
-        taosTFree(pInfo->vgInfo.epAddr[j].fqdn);
-      }
-
-      taosArrayDestroy(pInfo->itemList);
-    }
-    taosArrayDestroy(pVgroupTables);
   }
+
+  size_t num = taosArrayGetSize(pVgroupTables);
+  for (size_t i = 0; i < num; i++) {
+    SVgroupTableInfo* pInfo = taosArrayGet(pVgroupTables, i);
+
+    for(int32_t j = 0; j < pInfo->vgInfo.numOfEps; ++j) {
+      taosTFree(pInfo->vgInfo.epAddr[j].fqdn);
+    }
+
+    taosArrayDestroy(pInfo->itemList);
+  }
+
+  taosArrayDestroy(pVgroupTables);
+}
+
+void tscRemoveVgroupTableGroup(SArray* pVgroupTable, int32_t index) {
+  assert(pVgroupTable != NULL && index >= 0);
+
+  size_t size = taosArrayGetSize(pVgroupTable);
+  assert(size > index);
+
+  SVgroupTableInfo* pInfo = taosArrayGet(pVgroupTable, index);
+  for(int32_t j = 0; j < pInfo->vgInfo.numOfEps; ++j) {
+    taosTFree(pInfo->vgInfo.epAddr[j].fqdn);
+  }
+
+  taosArrayDestroy(pInfo->itemList);
+
+
+  taosArrayRemove(pVgroupTable, index);
+}
+
+SArray* tscCloneVgroupTableInfo(SArray* pVgroupTables) {
+  if (pVgroupTables == NULL) {
+    return NULL;
+  }
+
+  size_t num = taosArrayGetSize(pVgroupTables);
+  SArray* pa = taosArrayInit(num, sizeof(SVgroupTableInfo));
+
+  for (size_t i = 0; i < num; i++) {
+    SVgroupTableInfo* pInfo = taosArrayGet(pVgroupTables, i);
+
+    for(int32_t j = 0; j < pInfo->vgInfo.numOfEps; ++j) {
+      taosTFree(pInfo->vgInfo.epAddr[j].fqdn);
+    }
+
+    SVgroupTableInfo info = {0};
+    info.vgInfo = pInfo->vgInfo;
+    info.itemList = taosArrayClone(pInfo->itemList);
+
+    taosArrayPush(pa, &info);
+  }
+
+  return pa;
 }
 
 void clearAllTableMetaInfo(SQueryInfo* pQueryInfo, const char* address, bool removeFromCache) {
@@ -1710,7 +1755,7 @@ void clearAllTableMetaInfo(SQueryInfo* pQueryInfo, const char* address, bool rem
 }
 
 STableMetaInfo* tscAddTableMetaInfo(SQueryInfo* pQueryInfo, const char* name, STableMeta* pTableMeta,
-                                    SVgroupsInfo* vgroupList, SArray* pTagCols) {
+                                    SVgroupsInfo* vgroupList, SArray* pTagCols, SArray* pVgroupTables) {
   void* pAlloc = realloc(pQueryInfo->pTableMetaInfo, (pQueryInfo->numOfTables + 1) * POINTER_BYTES);
   if (pAlloc == NULL) {
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
@@ -1744,13 +1789,15 @@ STableMetaInfo* tscAddTableMetaInfo(SQueryInfo* pQueryInfo, const char* name, ST
   if (pTagCols != NULL) {
     tscColumnListCopy(pTableMetaInfo->tagColList, pTagCols, -1);
   }
+
+  pTableMetaInfo->pVgroupTables = tscCloneVgroupTableInfo(pVgroupTables);
   
   pQueryInfo->numOfTables += 1;
   return pTableMetaInfo;
 }
 
 STableMetaInfo* tscAddEmptyMetaInfo(SQueryInfo* pQueryInfo) {
-  return tscAddTableMetaInfo(pQueryInfo, NULL, NULL, NULL, NULL);
+  return tscAddTableMetaInfo(pQueryInfo, NULL, NULL, NULL, NULL, NULL);
 }
 
 void tscClearTableMetaInfo(STableMetaInfo* pTableMetaInfo, bool removeFromCache) {
@@ -1824,7 +1871,7 @@ SSqlObj* createSimpleSubObj(SSqlObj* pSql, void (*fp)(), void* param, int32_t cm
   assert(pSql->cmd.clauseIndex == 0);
   STableMetaInfo* pMasterTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, pSql->cmd.clauseIndex, 0);
 
-  tscAddTableMetaInfo(pQueryInfo, pMasterTableMetaInfo->name, NULL, NULL, NULL);
+  tscAddTableMetaInfo(pQueryInfo, pMasterTableMetaInfo->name, NULL, NULL, NULL, NULL);
 
   registerSqlObj(pNew);
   return pNew;
@@ -1989,14 +2036,16 @@ SSqlObj* createSubqueryObj(SSqlObj* pSql, int16_t tableIndex, void (*fp)(), void
     STableMeta* pTableMeta = taosCacheAcquireByData(tscMetaCache, pTableMetaInfo->pTableMeta);  // get by name may failed due to the cache cleanup
     assert(pTableMeta != NULL);
 
-    pFinalInfo = tscAddTableMetaInfo(pNewQueryInfo, name, pTableMeta, pTableMetaInfo->vgroupList, pTableMetaInfo->tagColList);
+    pFinalInfo = tscAddTableMetaInfo(pNewQueryInfo, name, pTableMeta, pTableMetaInfo->vgroupList,
+        pTableMetaInfo->tagColList, pTableMetaInfo->pVgroupTables);
   } else {  // transfer the ownership of pTableMeta to the newly create sql object.
     STableMetaInfo* pPrevInfo = tscGetTableMetaInfoFromCmd(&pPrevSql->cmd, pPrevSql->cmd.clauseIndex, 0);
 
     STableMeta*  pPrevTableMeta = taosCacheTransfer(tscMetaCache, (void**)&pPrevInfo->pTableMeta);
     
     SVgroupsInfo* pVgroupsInfo = pPrevInfo->vgroupList;
-    pFinalInfo = tscAddTableMetaInfo(pNewQueryInfo, name, pPrevTableMeta, pVgroupsInfo, pTableMetaInfo->tagColList);
+    pFinalInfo = tscAddTableMetaInfo(pNewQueryInfo, name, pPrevTableMeta, pVgroupsInfo, pTableMetaInfo->tagColList,
+        pTableMetaInfo->pVgroupTables);
   }
 
   if (pFinalInfo->pTableMeta == NULL) {