Merge pull request #4118 from taosdata/feature/query

Feature/query

src/client/src/tscFunctionImpl.c

@@ -3978,7 +3978,7 @@ static void interp_function(SQLFunctionCtx *pCtx) {
           if (isNull(data1, srcType) || isNull(data2, srcType)) {
             setNull(pCtx->aOutputBuf, srcType, pCtx->inputBytes);
           } else {
-            taosDoLinearInterpolation(pCtx->outputType, &point1, &point2, &point);
+            taosGetLinearInterpolationVal(pCtx->outputType, &point1, &point2, &point);
           }
         } else if (srcType == TSDB_DATA_TYPE_FLOAT) {
           point1.val = data1;
@@ -3987,7 +3987,7 @@ static void interp_function(SQLFunctionCtx *pCtx) {
           if (isNull(data1, srcType) || isNull(data2, srcType)) {
             setNull(pCtx->aOutputBuf, srcType, pCtx->inputBytes);
           } else {
-            taosDoLinearInterpolation(pCtx->outputType, &point1, &point2, &point);
+            taosGetLinearInterpolationVal(pCtx->outputType, &point1, &point2, &point);
           }
         
         } else {

src/client/src/tscSQLParser.c

@@ -2758,6 +2758,7 @@ int32_t parseGroupbyClause(SQueryInfo* pQueryInfo, tVariantList* pList, SSqlCmd*
   const char* msg1 = "too many columns in group by clause";
   const char* msg2 = "invalid column name in group by clause";
   const char* msg3 = "columns from one table allowed as group by columns";
+  const char* msg4 = "join query does not support group by";
   const char* msg7 = "not support group by expression";
   const char* msg8 = "not allowed column type for group by";
   const char* msg9 = "tags not allowed for table query";
@@ -2778,6 +2779,10 @@ int32_t parseGroupbyClause(SQueryInfo* pQueryInfo, tVariantList* pList, SSqlCmd*
     return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg1);
   }
 
+  if (pQueryInfo->numOfTables > 1) {
+    return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg4);
+  }
+
   STableMeta* pTableMeta = NULL;
   SSchema*    pSchema = NULL;
   SSchema     s = tscGetTbnameColumnSchema();

src/client/src/tscServer.c

@@ -882,7 +882,7 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   if (pQueryInfo->tsBuf != NULL) {
     // note: here used the index instead of actual vnode id.
     int32_t vnodeIndex = pTableMetaInfo->vgroupIndex;
-    int32_t code = dumpFileBlockByVnodeId(pQueryInfo->tsBuf, vnodeIndex, pMsg, &pQueryMsg->tsLen, &pQueryMsg->tsNumOfBlocks);
+    int32_t code = dumpFileBlockByGroupId(pQueryInfo->tsBuf, vnodeIndex, pMsg, &pQueryMsg->tsLen, &pQueryMsg->tsNumOfBlocks);
     if (code != TSDB_CODE_SUCCESS) {
       return code;
     }

src/client/src/tscSubquery.c

@@ -156,8 +156,8 @@ static int64_t doTSBlockIntersect(SSqlObj* pSql, SJoinSupporter* pSupporter1, SJ
               win->ekey = elem1.ts;
             }
 
-            tsBufAppend(output1, elem1.vnode, elem1.tag, (const char*)&elem1.ts, sizeof(elem1.ts));
-            tsBufAppend(output2, elem2.vnode, elem2.tag, (const char*)&elem2.ts, sizeof(elem2.ts));
+            tsBufAppend(output1, elem1.id, elem1.tag, (const char*)&elem1.ts, sizeof(elem1.ts));
+            tsBufAppend(output2, elem2.id, elem2.tag, (const char*)&elem2.ts, sizeof(elem2.ts));
           } else {
             pLimit->offset -= 1;//offset apply to projection?
           }
@@ -193,8 +193,8 @@ static int64_t doTSBlockIntersect(SSqlObj* pSql, SJoinSupporter* pSupporter1, SJ
   TSKEY et = taosGetTimestampUs();
   tscDebug("%p input1:%" PRId64 ", input2:%" PRId64 ", final:%" PRId64 " in %d vnodes for secondary query after ts blocks "
            "intersecting, skey:%" PRId64 ", ekey:%" PRId64 ", numOfVnode:%d, elapsed time:%" PRId64 " us",
-           pSql, numOfInput1, numOfInput2, output1->numOfTotal, output1->numOfVnodes, win->skey, win->ekey,
-           tsBufGetNumOfVnodes(output1), et - st);
+           pSql, numOfInput1, numOfInput2, output1->numOfTotal, output1->numOfGroups, win->skey, win->ekey,
+           tsBufGetNumOfGroup(output1), et - st);
 
   return output1->numOfTotal;
 }
@@ -282,7 +282,7 @@ static UNUSED_FUNC bool needSecondaryQuery(SQueryInfo* pQueryInfo) {
 static void filterVgroupTables(SQueryInfo* pQueryInfo, SArray* pVgroupTables) {
   int32_t  num = 0;
   int32_t* list = NULL;
-  tsBufGetVnodeIdList(pQueryInfo->tsBuf, &num, &list);
+  tsBufGetGroupIdList(pQueryInfo->tsBuf, &num, &list);
 
   // The virtual node, of which all tables are disqualified after the timestamp intersection,
   // is removed to avoid next stage query.
@@ -314,7 +314,7 @@ static void filterVgroupTables(SQueryInfo* pQueryInfo, SArray* pVgroupTables) {
 static SArray* buildVgroupTableByResult(SQueryInfo* pQueryInfo, SArray* pVgroupTables) {
   int32_t  num = 0;
   int32_t* list = NULL;
-  tsBufGetVnodeIdList(pQueryInfo->tsBuf, &num, &list);
+  tsBufGetGroupIdList(pQueryInfo->tsBuf, &num, &list);
 
   size_t numOfGroups = taosArrayGetSize(pVgroupTables);
 

src/query/inc/qFill.h

@@ -49,7 +49,6 @@ typedef struct SFillInfo {
   int32_t numOfTags;            // number of tags
   int32_t numOfCols;            // number of columns, including the tags columns
   int32_t rowSize;              // size of each row
-//  char ** pTags;                // tags value for current interpolation
   SFillTagColInfo* pTags;       // tags value for filling gap
   SInterval interval;
   char *  prevValues;           // previous row of data, to generate the interpolation results
@@ -83,7 +82,7 @@ int64_t getFilledNumOfRes(SFillInfo* pFillInfo, int64_t ekey, int32_t maxNumOfRo
 
 int32_t taosNumOfRemainRows(SFillInfo *pFillInfo);
 
-int taosDoLinearInterpolation(int32_t type, SPoint *point1, SPoint *point2, SPoint *point);
+int32_t taosGetLinearInterpolationVal(int32_t type, SPoint *point1, SPoint *point2, SPoint *point);
 
 int64_t taosGenerateDataBlock(SFillInfo* pFillInfo, tFilePage** output, int32_t capacity);
 

src/query/inc/qTsbuf.h

@@ -26,7 +26,7 @@ extern "C" {
 
 #define MEM_BUF_SIZE (1 << 20)
 #define TS_COMP_FILE_MAGIC 0x87F5EC4C
-#define TS_COMP_FILE_VNODE_MAX 512
+#define TS_COMP_FILE_GROUP_MAX 512
 
 typedef struct STSList {
   char*   rawBuf;
@@ -38,7 +38,7 @@ typedef struct STSList {
 typedef struct STSElem {
   TSKEY     ts;
   tVariant* tag;
-  int32_t   vnode;
+  int32_t   id;
 } STSElem;
 
 typedef struct STSCursor {
@@ -60,17 +60,17 @@ typedef struct STSBlock {
  * The size of buffer file should not be greater than 2G,
  * and the offset of int32_t type is enough
  */
-typedef struct STSVnodeBlockInfo {
-  int32_t vnode;       // vnode id
+typedef struct STSGroupBlockInfo {
+  int32_t id;          // group id
   int32_t offset;      // offset set value in file
   int32_t numOfBlocks; // number of total blocks
   int32_t compLen;     // compressed size
-} STSVnodeBlockInfo;
+} STSGroupBlockInfo;
 
-typedef struct STSVnodeBlockInfoEx {
-  STSVnodeBlockInfo info;
+typedef struct STSGroupBlockInfoEx {
+  STSGroupBlockInfo info;
   int32_t           len;  // length before compress
-} STSVnodeBlockInfoEx;
+} STSGroupBlockInfoEx;
 
 typedef struct STSBuf {
   FILE*    f;
@@ -78,9 +78,9 @@ typedef struct STSBuf {
   uint32_t fileSize;
 
   // todo use array
-  STSVnodeBlockInfoEx* pData;
+  STSGroupBlockInfoEx* pData;
   uint32_t             numOfAlloc;
-  uint32_t             numOfVnodes;
+  uint32_t             numOfGroups;
 
   char*     assistBuf;
   int32_t   bufSize;
@@ -94,22 +94,22 @@ typedef struct STSBuf {
 
 typedef struct STSBufFileHeader {
   uint32_t magic;       // file magic number
-  uint32_t numOfVnode;  // number of vnode stored in current file
+  uint32_t numOfGroup;  // number of group stored in current file
   int32_t  tsOrder;     // timestamp order in current file
 } STSBufFileHeader;
 
 STSBuf* tsBufCreate(bool autoDelete, int32_t order);
 STSBuf* tsBufCreateFromFile(const char* path, bool autoDelete);
-STSBuf* tsBufCreateFromCompBlocks(const char* pData, int32_t numOfBlocks, int32_t len, int32_t tsOrder, int32_t vnodeId);
+STSBuf* tsBufCreateFromCompBlocks(const char* pData, int32_t numOfBlocks, int32_t len, int32_t tsOrder, int32_t id);
 
 void* tsBufDestroy(STSBuf* pTSBuf);
 
-void    tsBufAppend(STSBuf* pTSBuf, int32_t vnodeId, tVariant* tag, const char* pData, int32_t len);
+void    tsBufAppend(STSBuf* pTSBuf, int32_t id, tVariant* tag, const char* pData, int32_t len);
 int32_t tsBufMerge(STSBuf* pDestBuf, const STSBuf* pSrcBuf);
 
 STSBuf* tsBufClone(STSBuf* pTSBuf);
 
-STSVnodeBlockInfo* tsBufGetVnodeBlockInfo(STSBuf* pTSBuf, int32_t vnodeId);
+STSGroupBlockInfo* tsBufGetGroupBlockInfo(STSBuf* pTSBuf, int32_t id);
 
 void tsBufFlush(STSBuf* pTSBuf);
 
@@ -118,7 +118,7 @@ STSElem tsBufGetElem(STSBuf* pTSBuf);
 
 bool    tsBufNextPos(STSBuf* pTSBuf);
 
-STSElem tsBufGetElemStartPos(STSBuf* pTSBuf, int32_t vnodeId, tVariant* tag);
+STSElem tsBufGetElemStartPos(STSBuf* pTSBuf, int32_t id, tVariant* tag);
 
 STSCursor tsBufGetCursor(STSBuf* pTSBuf);
 void      tsBufSetTraverseOrder(STSBuf* pTSBuf, int32_t order);
@@ -131,11 +131,11 @@ void tsBufSetCursor(STSBuf* pTSBuf, STSCursor* pCur);
  */
 void tsBufDisplay(STSBuf* pTSBuf);
 
-int32_t tsBufGetNumOfVnodes(STSBuf* pTSBuf);
+int32_t tsBufGetNumOfGroup(STSBuf* pTSBuf);
 
-void tsBufGetVnodeIdList(STSBuf* pTSBuf, int32_t* num, int32_t** vnodeId);
+void tsBufGetGroupIdList(STSBuf* pTSBuf, int32_t* num, int32_t** id);
 
-int32_t dumpFileBlockByVnodeId(STSBuf* pTSBuf, int32_t vnodeId, void* buf, int32_t* len, int32_t* numOfBlocks);
+int32_t dumpFileBlockByGroupId(STSBuf* pTSBuf, int32_t id, void* buf, int32_t* len, int32_t* numOfBlocks);
 
 STSElem tsBufFindElemStartPosByTag(STSBuf* pTSBuf, tVariant* pTag);
 

src/query/src/qAst.c

@@ -609,7 +609,7 @@ int32_t intersect(SArray *pLeft, SArray *pRight, SArray *pFinalRes) {
 /*
  * traverse the result and apply the function to each item to check if the item is qualified or not
  */
-static void tArrayTraverse(tExprNode *pExpr, __result_filter_fn_t fp, SArray *pResult) {
+static UNUSED_FUNC void tArrayTraverse(tExprNode *pExpr, __result_filter_fn_t fp, SArray *pResult) {
   assert(pExpr->_node.pLeft->nodeType == TSQL_NODE_COL && pExpr->_node.pRight->nodeType == TSQL_NODE_VALUE && fp != NULL);
 
   //  scan the result array list and check for each item in the list
@@ -660,7 +660,7 @@ static bool filterItem(tExprNode *pExpr, const void *pItem, SExprTraverseSupp *p
  * @param pSchema   tag schemas
  * @param fp        filter callback function
  */
-static void exprTreeTraverseImpl(tExprNode *pExpr, SArray *pResult, SExprTraverseSupp *param) {
+static UNUSED_FUNC void exprTreeTraverseImpl(tExprNode *pExpr, SArray *pResult, SExprTraverseSupp *param) {
   size_t size = taosArrayGetSize(pResult);
   
   SArray* array = taosArrayInit(size, POINTER_BYTES);
@@ -733,10 +733,6 @@ void tExprTreeTraverse(tExprNode *pExpr, SSkipList *pSkipList, SArray *result, S
     assert(pLeft->nodeType == TSQL_NODE_COL && (pRight->nodeType == TSQL_NODE_VALUE || pRight->nodeType == TSQL_NODE_DUMMY));
 
     param->setupInfoFn(pExpr, param->pExtInfo);
-    if (pSkipList == NULL) {
-      tArrayTraverse(pExpr, param->nodeFilterFn, result);
-      return;
-    }
 
     tQueryInfo *pQueryInfo = pExpr->_node.info;
     if (pQueryInfo->indexed && pQueryInfo->optr != TSDB_RELATION_LIKE) {
@@ -748,49 +744,14 @@ void tExprTreeTraverse(tExprNode *pExpr, SSkipList *pSkipList, SArray *result, S
     return;
   }
 
-  // recursive traverse left child branch
+  // The value of hasPK is always 0.
   uint8_t weight = pLeft->_node.hasPK + pRight->_node.hasPK;
+  assert(weight == 0 && pSkipList != NULL && taosArrayGetSize(result) == 0);
 
-  if (weight == 0 ) {
-    if (taosArrayGetSize(result) > 0 && pSkipList == NULL) {
-    /**
-     * Perform the filter operation based on the initial filter result, which is obtained from filtering from index.
-     * Since no index presented, the filter operation is done by scan all elements in the result set.
-     *
-     * if the query is a high selectivity filter, only small portion of meters are retrieved.
-     */
-      exprTreeTraverseImpl(pExpr, result, param);
-    } else {
-      /**
-       * apply the hierarchical expression to every node in skiplist for find the qualified nodes
-       */
-      assert(taosArrayGetSize(result) == 0);
+  //apply the hierarchical expression to every node in skiplist for find the qualified nodes
   tSQLBinaryTraverseOnSkipList(pExpr, result, pSkipList, param);
-    }
-
-    return;
-  }
-  
-  if (weight == 2 || (weight == 1 && pExpr->_node.optr == TSDB_RELATION_OR)) {
-    SArray* rLeft  = taosArrayInit(10, POINTER_BYTES);
-    SArray* rRight = taosArrayInit(10, POINTER_BYTES);
-
-    tExprTreeTraverse(pLeft, pSkipList, rLeft, param);
-    tExprTreeTraverse(pRight, pSkipList, rRight, param);
-
-    if (pExpr->_node.optr == TSDB_RELATION_AND) {  // CROSS
-      intersect(rLeft, rRight, result);
-    } else if (pExpr->_node.optr == TSDB_RELATION_OR) {  // or
-      merge(rLeft, rRight, result);
-    } else {
-      assert(false);
-    }
-
-    taosArrayDestroy(rLeft);
-    taosArrayDestroy(rRight);
-    return;
-  }
 
+  #if 0
   /*
     * (weight == 1 && pExpr->nSQLBinaryOptr == TSDB_RELATION_AND) is handled here
     *
@@ -819,6 +780,7 @@ void tExprTreeTraverse(tExprNode *pExpr, SSkipList *pSkipList, SArray *result, S
     * So, we do not set the skip list index as a parameter
     */
   tExprTreeTraverse(pSecond, NULL, result, param);
+#endif
 }
 
 void tExprTreeCalcTraverse(tExprNode *pExprs, int32_t numOfRows, char *pOutput, void *param, int32_t order,

src/query/src/qExecutor.c

@@ -3843,7 +3843,7 @@ int32_t setAdditionalInfo(SQInfo *pQInfo, void* pTable, STableQueryInfo *pTableQ
       STSElem elem = tsBufGetElemStartPos(pRuntimeEnv->pTSBuf, pQInfo->vgId, &pTableQueryInfo->tag);
 
       // failed to find data with the specified tag value and vnodeId
-      if (elem.vnode < 0) {
+      if (!tsBufIsValidElem(&elem)) {
         if (pTag->nType == TSDB_DATA_TYPE_BINARY || pTag->nType == TSDB_DATA_TYPE_NCHAR) {
           qError("QInfo:%p failed to find tag:%s in ts_comp", pQInfo, pTag->pz);
         } else {
@@ -4777,7 +4777,7 @@ static bool multiTableMultioutputHelper(SQInfo *pQInfo, int32_t index) {
     if (pRuntimeEnv->cur.vgroupIndex == -1) {
       STSElem elem = tsBufGetElemStartPos(pRuntimeEnv->pTSBuf, pQInfo->vgId, pTag);
       // failed to find data with the specified tag value and vnodeId
-      if (elem.vnode < 0) {
+      if (!tsBufIsValidElem(&elem)) {
         if (pTag->nType == TSDB_DATA_TYPE_BINARY || pTag->nType == TSDB_DATA_TYPE_NCHAR) {
           qError("QInfo:%p failed to find tag:%s in ts_comp", pQInfo, pTag->pz);
         } else {
@@ -4802,7 +4802,7 @@ static bool multiTableMultioutputHelper(SQInfo *pQInfo, int32_t index) {
 
         STSElem elem1 = tsBufGetElemStartPos(pRuntimeEnv->pTSBuf, pQInfo->vgId, pTag);
         // failed to find data with the specified tag value and vnodeId
-        if (elem1.vnode < 0) {
+        if (!tsBufIsValidElem(&elem1)) {
           if (pTag->nType == TSDB_DATA_TYPE_BINARY || pTag->nType == TSDB_DATA_TYPE_NCHAR) {
             qError("QInfo:%p failed to find tag:%s in ts_comp", pQInfo, pTag->pz);
           } else {

src/query/src/qFill.c

@@ -215,7 +215,7 @@ static double linearInterpolationImpl(double v1, double v2, double k1, double k2
   return v1 + (v2 - v1) * (k - k1) / (k2 - k1);
 }
 
-int taosDoLinearInterpolation(int32_t type, SPoint* point1, SPoint* point2, SPoint* point) {
+int32_t taosGetLinearInterpolationVal(int32_t type, SPoint* point1, SPoint* point2, SPoint* point) {
   switch (type) {
     case TSDB_DATA_TYPE_INT: {
       *(int32_t*)point->val = (int32_t)linearInterpolationImpl(*(int32_t*)point1->val, *(int32_t*)point2->val, (double)point1->key,
@@ -343,7 +343,7 @@ static void doFillResultImpl(SFillInfo* pFillInfo, tFilePage** data, int32_t* nu
         point1 = (SPoint){.key = *(TSKEY*)(prevValues), .val = prevValues + pCol->col.offset};
         point2 = (SPoint){.key = ts, .val = srcData[i] + pFillInfo->rowIdx * bytes};
         point  = (SPoint){.key = pFillInfo->start, .val = val1};
-        taosDoLinearInterpolation(type, &point1, &point2, &point);
+        taosGetLinearInterpolationVal(type, &point1, &point2, &point);
       }
 
       setTagsValue(pFillInfo, data, *num);

src/query/tests/tsBufTest.cpp

@@ -42,7 +42,7 @@ void simpleTest() {
 
   EXPECT_EQ(pTSBuf->tsData.len, sizeof(int64_t) * num);
   EXPECT_EQ(tVariantCompare(&pTSBuf->block.tag, &t), 0);
-  EXPECT_EQ(pTSBuf->numOfVnodes, 1);
+  EXPECT_EQ(pTSBuf->numOfGroups, 1);
 
   tsBufFlush(pTSBuf);
   EXPECT_EQ(pTSBuf->tsData.len, 0);
@@ -69,7 +69,7 @@ void largeTSTest() {
   // the data has been flush to disk, no data in cache
   EXPECT_EQ(pTSBuf->tsData.len, 0);
   EXPECT_EQ(tVariantCompare(&pTSBuf->block.tag, &t), 0);
-  EXPECT_EQ(pTSBuf->numOfVnodes, 1);
+  EXPECT_EQ(pTSBuf->numOfGroups, 1);
   EXPECT_EQ(pTSBuf->tsOrder, TSDB_ORDER_ASC);
 
   tsBufFlush(pTSBuf);
@@ -105,7 +105,7 @@ void multiTagsTest() {
   EXPECT_EQ(pTSBuf->tsData.len, num * sizeof(int64_t));
 
   EXPECT_EQ(pTSBuf->block.tag.i64Key, numOfTags - 1);
-  EXPECT_EQ(pTSBuf->numOfVnodes, 1);
+  EXPECT_EQ(pTSBuf->numOfGroups, 1);
 
   tsBufFlush(pTSBuf);
   EXPECT_EQ(pTSBuf->tsData.len, 0);
@@ -139,7 +139,7 @@ void multiVnodeTagsTest() {
       start += step * num;
     }
 
-    EXPECT_EQ(pTSBuf->numOfVnodes, j + 1);
+    EXPECT_EQ(pTSBuf->numOfGroups, j + 1);
   }
 
   EXPECT_EQ(pTSBuf->tsOrder, TSDB_ORDER_ASC);
@@ -184,7 +184,7 @@ void loadDataTest() {
       start += step * num;
     }
 
-    EXPECT_EQ(pTSBuf->numOfVnodes, j + 1);
+    EXPECT_EQ(pTSBuf->numOfGroups, j + 1);
   }
 
   EXPECT_EQ(pTSBuf->tsOrder, TSDB_ORDER_ASC);
@@ -203,7 +203,7 @@ void loadDataTest() {
   // create from exists file
   STSBuf* pNewBuf = tsBufCreateFromFile(pTSBuf->path, false);
   EXPECT_EQ(pNewBuf->tsOrder, pTSBuf->tsOrder);
-  EXPECT_EQ(pNewBuf->numOfVnodes, numOfVnode);
+  EXPECT_EQ(pNewBuf->numOfGroups, numOfVnode);
   EXPECT_EQ(pNewBuf->fileSize, pTSBuf->fileSize);
 
   EXPECT_EQ(pNewBuf->pData[0].info.offset, pTSBuf->pData[0].info.offset);
@@ -269,7 +269,7 @@ void TSTraverse() {
       start += step * num;
     }
 
-    EXPECT_EQ(pTSBuf->numOfVnodes, j + 1);
+    EXPECT_EQ(pTSBuf->numOfGroups, j + 1);
   }
 
   tsBufResetPos(pTSBuf);
@@ -304,7 +304,7 @@ void TSTraverse() {
   int32_t totalOutput = 10;
   while (1) {
     STSElem elem = tsBufGetElem(pTSBuf);
-    printf("%d-%" PRIu64 "-%" PRIu64 "\n", elem.vnode, elem.tag->i64Key, elem.ts);
+    printf("%d-%" PRIu64 "-%" PRIu64 "\n", elem.id, elem.tag->i64Key, elem.ts);
 
     if (!tsBufNextPos(pTSBuf)) {
       break;
@@ -352,7 +352,7 @@ void TSTraverse() {
   totalOutput = 10;
   while (1) {
     STSElem elem = tsBufGetElem(pTSBuf);
-    printf("%d-%" PRIu64 "-%" PRIu64 "\n", elem.vnode, elem.tag->i64Key, elem.ts);
+    printf("%d-%" PRIu64 "-%" PRIu64 "\n", elem.id, elem.tag->i64Key, elem.ts);
 
     if (!tsBufNextPos(pTSBuf)) {
       break;
@@ -427,7 +427,7 @@ void mergeDiffVnodeBufferTest() {
   tsBufFlush(pTSBuf2);
 
   tsBufMerge(pTSBuf1, pTSBuf2);
-  EXPECT_EQ(pTSBuf1->numOfVnodes, 2);
+  EXPECT_EQ(pTSBuf1->numOfGroups, 2);
   EXPECT_EQ(pTSBuf1->numOfTotal, numOfTags * 2 * num);
 
   tsBufDisplay(pTSBuf1);
@@ -472,7 +472,7 @@ void mergeIdenticalVnodeBufferTest() {
   tsBufFlush(pTSBuf2);
 
   tsBufMerge(pTSBuf1, pTSBuf2);
-  EXPECT_EQ(pTSBuf1->numOfVnodes, 2);
+  EXPECT_EQ(pTSBuf1->numOfGroups, 2);
   EXPECT_EQ(pTSBuf1->numOfTotal, numOfTags * 2 * num);
 
   tsBufResetPos(pTSBuf1);
@@ -482,12 +482,12 @@ void mergeIdenticalVnodeBufferTest() {
     STSElem elem = tsBufGetElem(pTSBuf1);
 
     if (count++ < numOfTags * num) {
-      EXPECT_EQ(elem.vnode, 12);
+      EXPECT_EQ(elem.id, 12);
     } else {
-      EXPECT_EQ(elem.vnode, 77);
+      EXPECT_EQ(elem.id, 77);
     }
 
-    printf("%d-%" PRIu64 "-%" PRIu64 "\n", elem.vnode, elem.tag->i64Key, elem.ts);
+    printf("%d-%" PRIu64 "-%" PRIu64 "\n", elem.id, elem.tag->i64Key, elem.ts);
   }
 
   tsBufDestroy(pTSBuf1);