diff --git a/src/client/src/tscGlobalmerge.c b/src/client/src/tscGlobalmerge.c
index 2ca99e072791791a9ec70b522a9fb5bc2334a467..db25a0b09c9b88855bbaa44ebaa9340f4f5264b3 100644
--- a/src/client/src/tscGlobalmerge.c
+++ b/src/client/src/tscGlobalmerge.c
@@ -233,7 +233,7 @@ static int32_t tscFlushTmpBufferImpl(tExtMemBuffer *pMemoryBuf, tOrderDescriptor
 
   // sort before flush to disk, the data must be consecutively put on tFilePage.
   if (pDesc->orderInfo.numOfCols > 0) {
-    tColDataQSort(pDesc, (int32_t)pPage->num, 0, (int32_t)pPage->num - 1, pPage->data, orderType);
+    tColDataMergeSort(pDesc, (int32_t)pPage->num, 0, (int32_t)pPage->num - 1, pPage->data, orderType);
   }
 
 #ifdef _DEBUG_VIEW
@@ -364,7 +364,7 @@ static int32_t createOrderDescriptor(tOrderDescriptor **pOrderDesc, SQueryInfo*
           SExprInfo* pExprInfo = tscExprGet(pQueryInfo, j);
 
           int32_t functionId = pExprInfo->base.functionId;
-          if (pColIndex->colId == pExprInfo->base.colInfo.colId && (functionId == TSDB_FUNC_PRJ || functionId == TSDB_FUNC_TAG)) {
+          if (pColIndex->colId == pExprInfo->base.colInfo.colId && (functionId == TSDB_FUNC_PRJ || functionId == TSDB_FUNC_TAG || functionId == TSDB_FUNC_TAGPRJ)) {
             orderColIndexList[i] = j;
             break;
           }
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 50b9a8fd7eea703dffe34f8ad5eb204b310f0d7e..5489f3ba67d87a9edd73961bcae1440698fe6b4f 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -268,10 +268,6 @@ bool tscIsProjectionQueryOnSTable(SQueryInfo* pQueryInfo, int32_t tableIndex) {
         functionId != TSDB_FUNC_TS &&
         functionId != TSDB_FUNC_ARITHM &&
         functionId != TSDB_FUNC_TS_COMP &&
-        functionId != TSDB_FUNC_DIFF &&
-        functionId != TSDB_FUNC_DERIVATIVE &&
-        functionId != TSDB_FUNC_MAVG &&
-        functionId != TSDB_FUNC_CSUM &&
         functionId != TSDB_FUNC_TS_DUMMY &&
         functionId != TSDB_FUNC_TID_TAG &&
         functionId != TSDB_FUNC_CEIL &&
diff --git a/src/query/inc/qExtbuffer.h b/src/query/inc/qExtbuffer.h
index 6728809c4f685a9afd0306abef88e9cbe2f63256..ccdfd5c05994b71bd911c3a66d02dc1ffa58a474 100644
--- a/src/query/inc/qExtbuffer.h
+++ b/src/query/inc/qExtbuffer.h
@@ -236,6 +236,9 @@ typedef int (*__col_compar_fn_t)(tOrderDescriptor *, int32_t numOfRows, int32_t
 
 void tColDataQSort(tOrderDescriptor *, int32_t numOfRows, int32_t start, int32_t end, char *data, int32_t orderType);
 
+void tColDataMergeSort(tOrderDescriptor *, int32_t numOfRows, int32_t start, int32_t end, char *data, int32_t orderType);
+
+
 void taoscQSort(void** pCols, SSchema* pSchema, int32_t numOfCols, int32_t numOfRows, int32_t index, __compar_fn_t compareFn);
 
 int32_t compare_sa(tOrderDescriptor *, int32_t numOfRows, int32_t idx1, int32_t idx2, char *data);
diff --git a/src/query/src/qAggMain.c b/src/query/src/qAggMain.c
index 7545823d7d5c5b2140a7504bbe43041df53bb9f5..f26b3cda1a56df698db0db1465bd6116726ca0ae 100644
--- a/src/query/src/qAggMain.c
+++ b/src/query/src/qAggMain.c
@@ -196,6 +196,14 @@ typedef struct  {
   char  *taglists;
 } SSampleFuncInfo;
 
+typedef struct {
+  bool valueAssigned;
+  union {
+    int64_t i64Prev;
+    double d64Prev;
+  };
+} SDiffFuncInfo;
+
 int32_t getResultDataInfo(int32_t dataType, int32_t dataBytes, int32_t functionId, int32_t param, int16_t *type,
                           int32_t *bytes, int32_t *interBytes, int16_t extLength, bool isSuperTable, SUdfInfo* pUdfInfo) {
   if (!isValidDataType(dataType)) {
@@ -214,10 +222,13 @@ int32_t getResultDataInfo(int32_t dataType, int32_t dataBytes, int32_t functionI
 
     if (functionId == TSDB_FUNC_INTERP) {
       *interBytes = sizeof(SInterpInfoDetail);
+    } else if (functionId == TSDB_FUNC_DIFF) {
+      *interBytes = sizeof(SDiffFuncInfo);
     } else {
       *interBytes = 0;
     }
 
+
     return TSDB_CODE_SUCCESS;
   }
   
@@ -2984,18 +2995,16 @@ static void full_copy_function(SQLFunctionCtx *pCtx) {
   }
 }
 
-enum {
-  INITIAL_VALUE_NOT_ASSIGNED = 0,
-};
 
 static bool diff_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResInfo) {
   if (!function_setup(pCtx, pResInfo)) {
     return false;
   }
   
-  // diff function require the value is set to -1
-  pCtx->param[1].nType = INITIAL_VALUE_NOT_ASSIGNED;
-  return false;
+  SDiffFuncInfo* pDiffInfo = GET_ROWCELL_INTERBUF(pResInfo);
+  pDiffInfo->valueAssigned = false;
+  pDiffInfo->i64Prev = 0;
+  return true;
 }
 
 static bool deriv_function_setup(SQLFunctionCtx *pCtx, SResultRowCellInfo* pResultInfo) {
@@ -3201,22 +3210,14 @@ static void deriv_function(SQLFunctionCtx *pCtx) {
   GET_RES_INFO(pCtx)->numOfRes += notNullElems;
 }
 
-#define DIFF_IMPL(ctx, d, type)                                                              \
-  do {                                                                                       \
-    if ((ctx)->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED) {                               \
-      (ctx)->param[1].nType = (ctx)->inputType;                                              \
-      *(type *)&(ctx)->param[1].i64 = *(type *)(d);                                       \
-    } else {                                                                                 \
-      *(type *)(ctx)->pOutput = *(type *)(d) - (*(type *)(&(ctx)->param[1].i64));      \
-      *(type *)(&(ctx)->param[1].i64) = *(type *)(d);                                     \
-      *(int64_t *)(ctx)->ptsOutputBuf = GET_TS_DATA(ctx, index);                             \
-    }                                                                                        \
-  } while (0);
 
 // TODO difference in date column
 static void diff_function(SQLFunctionCtx *pCtx) {
+  SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
+  SDiffFuncInfo *pDiffInfo = GET_ROWCELL_INTERBUF(pResInfo);
+
   void *data = GET_INPUT_DATA_LIST(pCtx);
-  bool  isFirstBlock = (pCtx->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED);
+  bool  isFirstBlock = (pDiffInfo->valueAssigned == false);
 
   int32_t notNullElems = 0;
 
@@ -3236,15 +3237,15 @@ static void diff_function(SQLFunctionCtx *pCtx) {
           continue;
         }
 
-        if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) {  // initial value is not set yet
-          *pOutput = (int32_t)(pData[i] - pCtx->param[1].i64);  // direct previous may be null
+        if (pDiffInfo->valueAssigned) {
+          *pOutput = (int32_t)(pData[i] - pDiffInfo->i64Prev);  // direct previous may be null
           *pTimestamp = (tsList != NULL)? tsList[i]:0;
           pOutput    += 1;
           pTimestamp += 1;
         }
 
-        pCtx->param[1].i64 = pData[i];
-        pCtx->param[1].nType = pCtx->inputType;
+        pDiffInfo->i64Prev = pData[i];
+        pDiffInfo->valueAssigned = true;
         notNullElems++;
       }
       break;
@@ -3258,15 +3259,15 @@ static void diff_function(SQLFunctionCtx *pCtx) {
           continue;
         }
 
-        if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) {  // initial value is not set yet
-          *pOutput = pData[i] - pCtx->param[1].i64;  // direct previous may be null
+        if (pDiffInfo->valueAssigned) {
+          *pOutput = pData[i] - pDiffInfo->i64Prev;  // direct previous may be null
           *pTimestamp = (tsList != NULL)? tsList[i]:0;
           pOutput    += 1;
           pTimestamp += 1;
         }
 
-        pCtx->param[1].i64 = pData[i];
-        pCtx->param[1].nType = pCtx->inputType;
+        pDiffInfo->i64Prev = pData[i];
+        pDiffInfo->valueAssigned = true;
         notNullElems++;
       }
       break;
@@ -3280,15 +3281,15 @@ static void diff_function(SQLFunctionCtx *pCtx) {
           continue;
         }
 
-        if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) {  // initial value is not set yet
-          SET_DOUBLE_VAL(pOutput, pData[i] - pCtx->param[1].dKey);  // direct previous may be null
+        if (pDiffInfo->valueAssigned) {  // initial value is not set yet
+          SET_DOUBLE_VAL(pOutput, pData[i] - pDiffInfo->d64Prev);  // direct previous may be null
           *pTimestamp = (tsList != NULL)? tsList[i]:0;
           pOutput    += 1;
           pTimestamp += 1;
         }
 
-        pCtx->param[1].dKey = pData[i];
-        pCtx->param[1].nType = pCtx->inputType;
+        pDiffInfo->d64Prev = pData[i];
+        pDiffInfo->valueAssigned = true;
         notNullElems++;
       }
       break;
@@ -3302,15 +3303,15 @@ static void diff_function(SQLFunctionCtx *pCtx) {
           continue;
         }
 
-        if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) {  // initial value is not set yet
-          *pOutput = (float)(pData[i] - pCtx->param[1].dKey);  // direct previous may be null
+        if (pDiffInfo->valueAssigned) {  // initial value is not set yet
+          *pOutput = (float)(pData[i] - pDiffInfo->d64Prev);  // direct previous may be null
           *pTimestamp = (tsList != NULL)? tsList[i]:0;
           pOutput    += 1;
           pTimestamp += 1;
         }
 
-        pCtx->param[1].dKey = pData[i];
-        pCtx->param[1].nType = pCtx->inputType;
+        pDiffInfo->d64Prev = pData[i];
+        pDiffInfo->valueAssigned = true;
         notNullElems++;
       }
       break;
@@ -3324,15 +3325,15 @@ static void diff_function(SQLFunctionCtx *pCtx) {
           continue;
         }
 
-        if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) {  // initial value is not set yet
-          *pOutput = (int16_t)(pData[i] - pCtx->param[1].i64);  // direct previous may be null
+        if (pDiffInfo->valueAssigned) {  // initial value is not set yet
+          *pOutput = (int16_t)(pData[i] - pDiffInfo->i64Prev);  // direct previous may be null
           *pTimestamp = (tsList != NULL)? tsList[i]:0;
           pOutput    += 1;
           pTimestamp += 1;
         }
 
-        pCtx->param[1].i64 = pData[i];
-        pCtx->param[1].nType = pCtx->inputType;
+        pDiffInfo->i64Prev = pData[i];
+        pDiffInfo->valueAssigned = true;
         notNullElems++;
       }
       break;
@@ -3347,15 +3348,15 @@ static void diff_function(SQLFunctionCtx *pCtx) {
           continue;
         }
 
-        if (pCtx->param[1].nType != INITIAL_VALUE_NOT_ASSIGNED) {  // initial value is not set yet
-          *pOutput = (int8_t)(pData[i] - pCtx->param[1].i64);  // direct previous may be null
+        if (pDiffInfo->valueAssigned) {  // initial value is not set yet
+          *pOutput = (int8_t)(pData[i] - pDiffInfo->i64Prev);  // direct previous may be null
           *pTimestamp = (tsList != NULL)? tsList[i]:0;
           pOutput    += 1;
           pTimestamp += 1;
         }
 
-        pCtx->param[1].i64 = pData[i];
-        pCtx->param[1].nType = pCtx->inputType;
+        pDiffInfo->i64Prev = pData[i];
+        pDiffInfo->valueAssigned = true;
         notNullElems++;
       }
       break;
@@ -3365,7 +3366,7 @@ static void diff_function(SQLFunctionCtx *pCtx) {
   }
 
   // initial value is not set yet
-  if (pCtx->param[1].nType == INITIAL_VALUE_NOT_ASSIGNED || notNullElems <= 0) {
+  if (!pDiffInfo->valueAssigned || notNullElems <= 0) {
     /*
      * 1. current block and blocks before are full of null
      * 2. current block may be null value
diff --git a/src/query/src/qExtbuffer.c b/src/query/src/qExtbuffer.c
index 45b1f0c5534bea73502d74a758b88b1983bfc4b8..ef4b56dc877ca75fe79ac5a345e99e0a3717eff5 100644
--- a/src/query/src/qExtbuffer.c
+++ b/src/query/src/qExtbuffer.c
@@ -641,6 +641,89 @@ static UNUSED_FUNC void tRowModelDisplay(tOrderDescriptor *pDescriptor, int32_t
   printf("\n");
 }
 
+static void mergeSortIndicesByOrderColumns(tOrderDescriptor *pDescriptor, int32_t numOfRows, int32_t start, int32_t end, char *data,
+                                int32_t orderType, __col_compar_fn_t compareFn, int32_t* indices, int32_t* aux) {
+  if (end <= start) {
+    return;
+  }
+
+
+  int32_t mid = start + (end-start)/2;
+  mergeSortIndicesByOrderColumns(pDescriptor, numOfRows, start, mid, data, orderType, compareFn, indices, aux);
+  mergeSortIndicesByOrderColumns(pDescriptor, numOfRows, mid+1, end, data, orderType, compareFn, indices, aux);
+  int32_t left = start;
+  int32_t right = mid + 1;
+  int32_t k;
+  for (k = start; k <= end; ++k) {
+    if (left == mid+1) {
+      aux[k] = indices[right];
+      ++right;
+    } else if (right == end+1) {
+      aux[k] = indices[left];
+      ++left;
+    } else {
+      int32_t ret = compareFn(pDescriptor, numOfRows, indices[left], indices[right], data);
+      if (ret <= 0) {
+        aux[k] = indices[left];
+        ++left;
+      } else {
+        aux[k] = indices[right];
+        ++right;
+      }
+    }
+  }
+
+  for (k = start; k <= end; ++k) {
+    indices[k] = aux[k];
+  }
+}
+
+static void columnwiseMergeSortImpl(tOrderDescriptor *pDescriptor, int32_t numOfRows, int32_t start, int32_t end, char* data,
+                                    int32_t orderType, __col_compar_fn_t compareFn) {
+  int32_t* indices = malloc(numOfRows * sizeof(int32_t));
+  int32_t* aux = malloc(numOfRows * sizeof(int32_t));
+
+  for (int32_t i = 0; i < numOfRows; ++i) {
+    indices[i] = i;
+  }
+
+  mergeSortIndicesByOrderColumns(pDescriptor, numOfRows, 0, numOfRows-1, data, orderType, compareFn, indices, aux);
+
+  int32_t numOfCols = pDescriptor->pColumnModel->numOfCols;
+
+  int32_t prevLength = 0;
+  char* p = NULL;
+
+  for(int32_t i = 0; i < numOfCols; ++i) {
+    int16_t colOffset = getColumnModelOffset(pDescriptor->pColumnModel, i);
+    int32_t colBytes = pDescriptor->pColumnModel->pFields[i].field.bytes;
+    // make sure memory buffer is enough
+    if (prevLength < colBytes) {
+      char *tmp = realloc(p, colBytes * numOfRows);
+      assert(tmp);
+
+      p = tmp;
+      prevLength = colBytes;
+    }
+
+    char* colData = data + colOffset * numOfRows;
+    memcpy(p, colData, colBytes * numOfRows);
+
+    for(int32_t j = 0; j < numOfRows; ++j){
+      char* dest = colData + colBytes * j;
+
+      int32_t newPos = indices[j];
+      char* src = p + (newPos * colBytes);
+      memcpy(dest, src, colBytes);
+    }
+
+  }
+
+  tfree(p);
+  tfree(aux);
+  tfree(indices);
+}
+
 static void columnwiseQSortImpl(tOrderDescriptor *pDescriptor, int32_t numOfRows, int32_t start, int32_t end, char *data,
                                 int32_t orderType, __col_compar_fn_t compareFn, void* buf) {
 #ifdef _DEBUG_VIEW
@@ -742,9 +825,9 @@ static void columnwiseQSortImpl(tOrderDescriptor *pDescriptor, int32_t numOfRows
   }
 }
 
-void tColDataQSort(tOrderDescriptor *pDescriptor, int32_t numOfRows, int32_t start, int32_t end, char *data, int32_t order) {
+void tColDataQSort(tOrderDescriptor *pDescriptor, int32_t numOfRows, int32_t start, int32_t end, char *data, int32_t orderType) {
   // short array sort, incur another sort procedure instead of quick sort process
-  __col_compar_fn_t compareFn = (order == TSDB_ORDER_ASC) ? compare_sa : compare_sd;
+  __col_compar_fn_t compareFn = (orderType == TSDB_ORDER_ASC) ? compare_sa : compare_sd;
 
   SColumnModel* pModel = pDescriptor->pColumnModel;
 
@@ -762,12 +845,40 @@ void tColDataQSort(tOrderDescriptor *pDescriptor, int32_t numOfRows, int32_t sta
   if (end - start + 1 <= 8) {
     tColDataInsertSort(pDescriptor, numOfRows, start, end, data, compareFn, buf);
   } else {
-    columnwiseQSortImpl(pDescriptor, numOfRows, start, end, data, order, compareFn, buf);
+    columnwiseQSortImpl(pDescriptor, numOfRows, start, end, data, orderType, compareFn, buf);
   }
 
   free(buf);
 }
 
+void tColDataMergeSort(tOrderDescriptor *pDescriptor, int32_t numOfRows, int32_t start, int32_t end, char *data, int32_t orderType) {
+  // short array sort, incur another sort procedure instead of quick sort process
+  __col_compar_fn_t compareFn = (orderType == TSDB_ORDER_ASC) ? compare_sa : compare_sd;
+
+  SColumnModel* pModel = pDescriptor->pColumnModel;
+
+  size_t width = 0;
+  for(int32_t i = 0; i < pModel->numOfCols; ++i) {
+    SSchema1* pSchema = &pModel->pFields[i].field;
+    if (width < pSchema->bytes) {
+      width = pSchema->bytes;
+    }
+  }
+
+  char* buf = malloc(width);
+  assert(width > 0 && buf != NULL);
+
+  if (end - start + 1 <= 8) {
+    tColDataInsertSort(pDescriptor, numOfRows, start, end, data, compareFn, buf);
+  } else {
+    columnwiseMergeSortImpl(pDescriptor, numOfRows, start, end, data, orderType, compareFn);
+  }
+
+  free(buf);
+}
+
+
+
 /*
  * deep copy of sschema
  */
diff --git a/tests/script/fullGeneralSuite.sim b/tests/script/fullGeneralSuite.sim
index a2b3978ad7fd6c6f2b4adf9f62b9edb4fed2a9e5..a5d8216de1d537843bef42fbf3752a45e899b5c3 100644
--- a/tests/script/fullGeneralSuite.sim
+++ b/tests/script/fullGeneralSuite.sim
@@ -38,6 +38,7 @@ run general/compute/stddev.sim
 run general/compute/sum.sim
 run general/compute/top.sim
 run general/compute/block_dist.sim
+run general/compute/table_group.sim
 run general/db/alter_option.sim
 run general/db/alter_tables_d2.sim
 run general/db/alter_tables_v1.sim
diff --git a/tests/script/general/compute/table_group.sim b/tests/script/general/compute/table_group.sim
new file mode 100644
index 0000000000000000000000000000000000000000..cbce7963c3ede6688a2a6d1d0934fa6dfbc7f25b
--- /dev/null
+++ b/tests/script/general/compute/table_group.sim
@@ -0,0 +1,2485 @@
+system sh/stop_dnodes.sh
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/cfg.sh -n dnode1 -c walLevel -v 1
+system sh/cfg.sh -n dnode1 -c minRows -v 10
+system sh/exec.sh -n dnode1 -s start
+sleep 200
+sql connect
+
+$db = m_db_tbg_limit
+$tb = ct
+$mt = st
+
+sql drop database $db -x step1
+step1:
+sql create database $db
+sql use $db
+sql create table $mt ( ts timestamp, f1 int, f2 int ) tags(t int)
+
+$tb1 = ct1
+$tb2 = ct2
+$tb3 = ct3
+$tbnum = 3
+$rownum = 10
+
+$x = 0
+while $x < $rownum
+  $i = 1
+  while $i <= $tbnum
+    $tbi = $tb . $i
+    $inc = $x * 60
+    $inc1 = $inc + $i
+    $ms = 1601481600000 + $inc1
+    $v1 = $x * 10
+    $v = $v1 + $i
+    sql insert into $tbi using $mt tags( $i ) values ( $ms , $v , $v )
+		$i = $i + 1
+  endw
+  $x = $x + 1
+endw
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 500
+system sh/exec.sh -n dnode1 -s start
+sleep 200
+sql connect
+sql use $db
+
+$x = 0
+while $x < $rownum
+  $i = 1
+  while $i <= $tbnum
+    $tbi = $tb . $i
+    $inc = $x * 60
+    $inc1 = $inc + $i
+    $ms = 1601481700000 + $inc1
+    $v1 = $x * 10
+    $temp = $rownum * 10
+    $v1 = $v1 + $temp
+    $v = $v1 + $i
+    sql insert into $tbi using $mt tags( $i ) values ( $ms , $v , $v )
+		$i = $i + 1
+  endw
+  $x = $x + 1
+endw
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 500
+system sh/exec.sh -n dnode1 -s start
+sql connect
+sql use $db
+
+print execute sql select csum(f1) from st group by tbname
+
+sql select csum(f1) from st group by tbname
+
+if $rows != 60 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.001@ then
+ return -1
+endi
+if $data01 != @1@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data11 != @12@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data21 != @33@ then
+ return -1
+endi
+if $data22 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data31 != @64@ then
+ return -1
+endi
+if $data32 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data41 != @105@ then
+ return -1
+endi
+if $data42 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data51 != @156@ then
+ return -1
+endi
+if $data52 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data61 != @217@ then
+ return -1
+endi
+if $data62 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data71 != @288@ then
+ return -1
+endi
+if $data72 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data81 != @369@ then
+ return -1
+endi
+if $data82 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data91 != @460@ then
+ return -1
+endi
+if $data92 != @ct1@ then
+ return -1
+endi
+print execute sql select diff(f1) from st group by tbname
+
+sql select diff(f1) from st group by tbname
+
+if $rows != 57 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @10@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @10@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data21 != @10@ then
+ return -1
+endi
+if $data22 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data31 != @10@ then
+ return -1
+endi
+if $data32 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data41 != @10@ then
+ return -1
+endi
+if $data42 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data51 != @10@ then
+ return -1
+endi
+if $data52 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data61 != @10@ then
+ return -1
+endi
+if $data62 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data71 != @10@ then
+ return -1
+endi
+if $data72 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data81 != @10@ then
+ return -1
+endi
+if $data82 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data91 != @10@ then
+ return -1
+endi
+if $data92 != @ct1@ then
+ return -1
+endi
+print execute sql select derivative(f1, 1s, 0) from st group by tbname
+
+sql select derivative(f1, 1s, 0) from st group by tbname
+
+if $rows != 57 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @166.666666667@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @166.666666667@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data21 != @166.666666667@ then
+ return -1
+endi
+if $data22 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data31 != @166.666666667@ then
+ return -1
+endi
+if $data32 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data41 != @166.666666667@ then
+ return -1
+endi
+if $data42 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data51 != @166.666666667@ then
+ return -1
+endi
+if $data52 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data61 != @166.666666667@ then
+ return -1
+endi
+if $data62 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data71 != @166.666666667@ then
+ return -1
+endi
+if $data72 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data81 != @166.666666667@ then
+ return -1
+endi
+if $data82 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data91 != @0.100542932@ then
+ return -1
+endi
+if $data92 != @ct1@ then
+ return -1
+endi
+print execute sql select mavg(f1,2) from st group by tbname
+
+sql select mavg(f1,2) from st group by tbname
+
+if $rows != 57 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @6.000000000@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @16.000000000@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data21 != @26.000000000@ then
+ return -1
+endi
+if $data22 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data31 != @36.000000000@ then
+ return -1
+endi
+if $data32 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data41 != @46.000000000@ then
+ return -1
+endi
+if $data42 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data51 != @56.000000000@ then
+ return -1
+endi
+if $data52 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data61 != @66.000000000@ then
+ return -1
+endi
+if $data62 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data71 != @76.000000000@ then
+ return -1
+endi
+if $data72 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data81 != @86.000000000@ then
+ return -1
+endi
+if $data82 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data91 != @96.000000000@ then
+ return -1
+endi
+if $data92 != @ct1@ then
+ return -1
+endi
+print execute sql select csum(f1),t from st group by tbname
+
+sql select csum(f1),t from st group by tbname
+
+if $rows != 60 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.001@ then
+ return -1
+endi
+if $data01 != @1@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data11 != @12@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data21 != @33@ then
+ return -1
+endi
+if $data22 != @1@ then
+ return -1
+endi
+if $data23 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data31 != @64@ then
+ return -1
+endi
+if $data32 != @1@ then
+ return -1
+endi
+if $data33 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data41 != @105@ then
+ return -1
+endi
+if $data42 != @1@ then
+ return -1
+endi
+if $data43 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data51 != @156@ then
+ return -1
+endi
+if $data52 != @1@ then
+ return -1
+endi
+if $data53 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data61 != @217@ then
+ return -1
+endi
+if $data62 != @1@ then
+ return -1
+endi
+if $data63 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data71 != @288@ then
+ return -1
+endi
+if $data72 != @1@ then
+ return -1
+endi
+if $data73 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data81 != @369@ then
+ return -1
+endi
+if $data82 != @1@ then
+ return -1
+endi
+if $data83 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data91 != @460@ then
+ return -1
+endi
+if $data92 != @1@ then
+ return -1
+endi
+if $data93 != @ct1@ then
+ return -1
+endi
+print execute sql select diff(f1),t from st group by tbname
+
+sql select diff(f1),t from st group by tbname
+
+if $rows != 57 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @10@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @10@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data21 != @10@ then
+ return -1
+endi
+if $data22 != @1@ then
+ return -1
+endi
+if $data23 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data31 != @10@ then
+ return -1
+endi
+if $data32 != @1@ then
+ return -1
+endi
+if $data33 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data41 != @10@ then
+ return -1
+endi
+if $data42 != @1@ then
+ return -1
+endi
+if $data43 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data51 != @10@ then
+ return -1
+endi
+if $data52 != @1@ then
+ return -1
+endi
+if $data53 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data61 != @10@ then
+ return -1
+endi
+if $data62 != @1@ then
+ return -1
+endi
+if $data63 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data71 != @10@ then
+ return -1
+endi
+if $data72 != @1@ then
+ return -1
+endi
+if $data73 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data81 != @10@ then
+ return -1
+endi
+if $data82 != @1@ then
+ return -1
+endi
+if $data83 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data91 != @10@ then
+ return -1
+endi
+if $data92 != @1@ then
+ return -1
+endi
+if $data93 != @ct1@ then
+ return -1
+endi
+print execute sql select derivative(f1, 1s, 0),t from st group by tbname
+
+sql select derivative(f1, 1s, 0),t from st group by tbname
+
+if $rows != 57 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @166.666666667@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @166.666666667@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data21 != @166.666666667@ then
+ return -1
+endi
+if $data22 != @1@ then
+ return -1
+endi
+if $data23 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data31 != @166.666666667@ then
+ return -1
+endi
+if $data32 != @1@ then
+ return -1
+endi
+if $data33 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data41 != @166.666666667@ then
+ return -1
+endi
+if $data42 != @1@ then
+ return -1
+endi
+if $data43 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data51 != @166.666666667@ then
+ return -1
+endi
+if $data52 != @1@ then
+ return -1
+endi
+if $data53 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data61 != @166.666666667@ then
+ return -1
+endi
+if $data62 != @1@ then
+ return -1
+endi
+if $data63 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data71 != @166.666666667@ then
+ return -1
+endi
+if $data72 != @1@ then
+ return -1
+endi
+if $data73 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data81 != @166.666666667@ then
+ return -1
+endi
+if $data82 != @1@ then
+ return -1
+endi
+if $data83 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data91 != @0.100542932@ then
+ return -1
+endi
+if $data92 != @1@ then
+ return -1
+endi
+if $data93 != @ct1@ then
+ return -1
+endi
+print execute sql select mavg(f1,2),t from st group by tbname
+
+sql select mavg(f1,2),t from st group by tbname
+
+if $rows != 57 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @6.000000000@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @16.000000000@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.181@ then
+ return -1
+endi
+if $data21 != @26.000000000@ then
+ return -1
+endi
+if $data22 != @1@ then
+ return -1
+endi
+if $data23 != @ct1@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.241@ then
+ return -1
+endi
+if $data31 != @36.000000000@ then
+ return -1
+endi
+if $data32 != @1@ then
+ return -1
+endi
+if $data33 != @ct1@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.301@ then
+ return -1
+endi
+if $data41 != @46.000000000@ then
+ return -1
+endi
+if $data42 != @1@ then
+ return -1
+endi
+if $data43 != @ct1@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.361@ then
+ return -1
+endi
+if $data51 != @56.000000000@ then
+ return -1
+endi
+if $data52 != @1@ then
+ return -1
+endi
+if $data53 != @ct1@ then
+ return -1
+endi
+if $data60 != @20-10-01 00:00:00.421@ then
+ return -1
+endi
+if $data61 != @66.000000000@ then
+ return -1
+endi
+if $data62 != @1@ then
+ return -1
+endi
+if $data63 != @ct1@ then
+ return -1
+endi
+if $data70 != @20-10-01 00:00:00.481@ then
+ return -1
+endi
+if $data71 != @76.000000000@ then
+ return -1
+endi
+if $data72 != @1@ then
+ return -1
+endi
+if $data73 != @ct1@ then
+ return -1
+endi
+if $data80 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data81 != @86.000000000@ then
+ return -1
+endi
+if $data82 != @1@ then
+ return -1
+endi
+if $data83 != @ct1@ then
+ return -1
+endi
+if $data90 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data91 != @96.000000000@ then
+ return -1
+endi
+if $data92 != @1@ then
+ return -1
+endi
+if $data93 != @ct1@ then
+ return -1
+endi
+print execute sql select csum(f1) from st group by tbname limit 2
+
+sql select csum(f1) from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.001@ then
+ return -1
+endi
+if $data01 != @1@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data11 != @12@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.002@ then
+ return -1
+endi
+if $data21 != @2@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data31 != @14@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.003@ then
+ return -1
+endi
+if $data41 != @3@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data51 != @16@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select diff(f1) from st group by tbname limit 2
+
+sql select diff(f1) from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @10@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @10@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data21 != @10@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.122@ then
+ return -1
+endi
+if $data31 != @10@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data41 != @10@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.123@ then
+ return -1
+endi
+if $data51 != @10@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select derivative(f1, 1s, 0) from st group by tbname limit 2
+
+sql select derivative(f1, 1s, 0) from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @166.666666667@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @166.666666667@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data21 != @166.666666667@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.122@ then
+ return -1
+endi
+if $data31 != @166.666666667@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data41 != @166.666666667@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.123@ then
+ return -1
+endi
+if $data51 != @166.666666667@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select mavg(f1,2) from st group by tbname limit 2
+
+sql select mavg(f1,2) from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @6.000000000@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @16.000000000@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data21 != @7.000000000@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.122@ then
+ return -1
+endi
+if $data31 != @17.000000000@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data41 != @8.000000000@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.123@ then
+ return -1
+endi
+if $data51 != @18.000000000@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select csum(f1),t from st group by tbname limit 2
+
+sql select csum(f1),t from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.001@ then
+ return -1
+endi
+if $data01 != @1@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data11 != @12@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.002@ then
+ return -1
+endi
+if $data21 != @2@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data31 != @14@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.003@ then
+ return -1
+endi
+if $data41 != @3@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data51 != @16@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select diff(f1),t from st group by tbname limit 2
+
+sql select diff(f1),t from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @10@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @10@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data21 != @10@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.122@ then
+ return -1
+endi
+if $data31 != @10@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data41 != @10@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.123@ then
+ return -1
+endi
+if $data51 != @10@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select derivative(f1, 1s, 0),t from st group by tbname limit 2
+
+sql select derivative(f1, 1s, 0),t from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @166.666666667@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @166.666666667@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data21 != @166.666666667@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.122@ then
+ return -1
+endi
+if $data31 != @166.666666667@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data41 != @166.666666667@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.123@ then
+ return -1
+endi
+if $data51 != @166.666666667@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select mavg(f1,2),t from st group by tbname limit 2
+
+sql select mavg(f1,2),t from st group by tbname limit 2
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.061@ then
+ return -1
+endi
+if $data01 != @6.000000000@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:00:00.121@ then
+ return -1
+endi
+if $data11 != @16.000000000@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.062@ then
+ return -1
+endi
+if $data21 != @7.000000000@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:00:00.122@ then
+ return -1
+endi
+if $data31 != @17.000000000@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.063@ then
+ return -1
+endi
+if $data41 != @8.000000000@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:00:00.123@ then
+ return -1
+endi
+if $data51 != @18.000000000@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select csum(f1) from st group by tbname limit 2 offset 9
+
+sql select csum(f1) from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data01 != @460@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data11 != @561@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.542@ then
+ return -1
+endi
+if $data21 != @470@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data31 != @572@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.543@ then
+ return -1
+endi
+if $data41 != @480@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data51 != @583@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select diff(f1) from st group by tbname limit 2 offset 9
+
+sql select diff(f1) from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @10@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @10@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @10@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @10@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @10@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @10@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select derivative(f1, 1s, 0) from st group by tbname limit 2 offset 9
+
+sql select derivative(f1, 1s, 0) from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @0.100542932@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @166.666666667@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @0.100542932@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @166.666666667@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @0.100542932@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @166.666666667@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select mavg(f1,2) from st group by tbname limit 2 offset 9
+
+sql select mavg(f1,2) from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @96.000000000@ then
+ return -1
+endi
+if $data02 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @106.000000000@ then
+ return -1
+endi
+if $data12 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @97.000000000@ then
+ return -1
+endi
+if $data22 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @107.000000000@ then
+ return -1
+endi
+if $data32 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @98.000000000@ then
+ return -1
+endi
+if $data42 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @108.000000000@ then
+ return -1
+endi
+if $data52 != @ct3@ then
+ return -1
+endi
+print execute sql select csum(f1),t from st group by tbname limit 2 offset 9
+
+sql select csum(f1),t from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data01 != @460@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data11 != @561@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.542@ then
+ return -1
+endi
+if $data21 != @470@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data31 != @572@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.543@ then
+ return -1
+endi
+if $data41 != @480@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data51 != @583@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select diff(f1),t from st group by tbname limit 2 offset 9
+
+sql select diff(f1),t from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @10@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @10@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @10@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @10@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @10@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @10@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select derivative(f1, 1s, 0),t from st group by tbname limit 2 offset 9
+
+sql select derivative(f1, 1s, 0),t from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @0.100542932@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @166.666666667@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @0.100542932@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @166.666666667@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @0.100542932@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @166.666666667@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select mavg(f1,2),t from st group by tbname limit 2 offset 9
+
+sql select mavg(f1,2),t from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @96.000000000@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @106.000000000@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @97.000000000@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @107.000000000@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @98.000000000@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @108.000000000@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+print execute sql select csum(f1),t,tbname from st group by tbname limit 2 offset 9
+
+sql select csum(f1),t,tbname from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:00:00.541@ then
+ return -1
+endi
+if $data01 != @460@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data04 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data11 != @561@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data14 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:00:00.542@ then
+ return -1
+endi
+if $data21 != @470@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data24 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data31 != @572@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data34 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:00:00.543@ then
+ return -1
+endi
+if $data41 != @480@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data44 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data51 != @583@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+if $data54 != @ct3@ then
+ return -1
+endi
+print execute sql select diff(f1),t,tbname from st group by tbname limit 2 offset 9
+
+sql select diff(f1),t,tbname from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @10@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data04 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @10@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data14 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @10@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data24 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @10@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data34 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @10@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data44 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @10@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+if $data54 != @ct3@ then
+ return -1
+endi
+print execute sql select derivative(f1, 1s, 0),t,tbname from st group by tbname limit 2 offset 9
+
+sql select derivative(f1, 1s, 0),t,tbname from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @0.100542932@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data04 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @166.666666667@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data14 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @0.100542932@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data24 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @166.666666667@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data34 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @0.100542932@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data44 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @166.666666667@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+if $data54 != @ct3@ then
+ return -1
+endi
+print execute sql select mavg(f1,2),t,tbname from st group by tbname limit 2 offset 9
+
+sql select mavg(f1,2),t,tbname from st group by tbname limit 2 offset 9
+
+if $rows != 6 then 
+  return -1
+endi
+if $data00 != @20-10-01 00:01:40.001@ then
+ return -1
+endi
+if $data01 != @96.000000000@ then
+ return -1
+endi
+if $data02 != @1@ then
+ return -1
+endi
+if $data03 != @ct1@ then
+ return -1
+endi
+if $data04 != @ct1@ then
+ return -1
+endi
+if $data10 != @20-10-01 00:01:40.061@ then
+ return -1
+endi
+if $data11 != @106.000000000@ then
+ return -1
+endi
+if $data12 != @1@ then
+ return -1
+endi
+if $data13 != @ct1@ then
+ return -1
+endi
+if $data14 != @ct1@ then
+ return -1
+endi
+if $data20 != @20-10-01 00:01:40.002@ then
+ return -1
+endi
+if $data21 != @97.000000000@ then
+ return -1
+endi
+if $data22 != @2@ then
+ return -1
+endi
+if $data23 != @ct2@ then
+ return -1
+endi
+if $data24 != @ct2@ then
+ return -1
+endi
+if $data30 != @20-10-01 00:01:40.062@ then
+ return -1
+endi
+if $data31 != @107.000000000@ then
+ return -1
+endi
+if $data32 != @2@ then
+ return -1
+endi
+if $data33 != @ct2@ then
+ return -1
+endi
+if $data34 != @ct2@ then
+ return -1
+endi
+if $data40 != @20-10-01 00:01:40.003@ then
+ return -1
+endi
+if $data41 != @98.000000000@ then
+ return -1
+endi
+if $data42 != @3@ then
+ return -1
+endi
+if $data43 != @ct3@ then
+ return -1
+endi
+if $data44 != @ct3@ then
+ return -1
+endi
+if $data50 != @20-10-01 00:01:40.063@ then
+ return -1
+endi
+if $data51 != @108.000000000@ then
+ return -1
+endi
+if $data52 != @3@ then
+ return -1
+endi
+if $data53 != @ct3@ then
+ return -1
+endi
+if $data54 != @ct3@ then
+ return -1
+endi
+print ================================ clear
+#sql drop database $db
+#sql show databases
+#if $rows != 0 then
+#  return -1
+#endi
+
+#system sh/exec.sh -n dnode1 -s stop -x SIGINT
+
diff --git a/tests/script/general/compute/testSuite.sim b/tests/script/general/compute/testSuite.sim
index 25c93ed29339c326628b885c34ed8766299460aa..ceb6525c7f67ab6c06f80d527f90c00299fbbd6e 100644
--- a/tests/script/general/compute/testSuite.sim
+++ b/tests/script/general/compute/testSuite.sim
@@ -20,3 +20,4 @@ run general/compute/stddev.sim
 run general/compute/sum.sim
 run general/compute/top.sim
 run general/compute/block_dist.sim
+run general/compute/table_group.sim
diff --git a/tests/script/regressionSuite.sim b/tests/script/regressionSuite.sim
index a705601d96f64f2690c3b933228b02b49d59af68..91a88451924e6856a693208d30733c1f610dd74a 100644
--- a/tests/script/regressionSuite.sim
+++ b/tests/script/regressionSuite.sim
@@ -38,6 +38,7 @@ run general/compute/stddev.sim
 run general/compute/sum.sim
 run general/compute/top.sim
 run general/compute/block_dist.sim
+run general/compute/table_group.sim
 run general/db/alter_option.sim
 run general/db/alter_tables_d2.sim
 run general/db/alter_tables_v1.sim