diff --git a/source/libs/executor/inc/tsort.h b/source/libs/executor/inc/tsort.h
index 92258f619fc311ab558b64ae656b64e408288736..9c9368bb1a7bea7927eb0768b6116b7fd20e7978 100644
--- a/source/libs/executor/inc/tsort.h
+++ b/source/libs/executor/inc/tsort.h
@@ -63,33 +63,33 @@ typedef int32_t (*_sort_merge_compar_fn_t)(const void* p1, const void* p2, void*
  * @param type
  * @return
  */
-SSortHandle* createSortHandle(SArray* pOrderInfo, bool nullFirst, int32_t type, int32_t pageSize, int32_t numOfPages, SSchema* pSchema, int32_t numOfCols, const char* idstr);
+SSortHandle* tsortCreateSortHandle(SArray* pOrderInfo, bool nullFirst, int32_t type, int32_t pageSize, int32_t numOfPages, SSchema* pSchema, int32_t numOfCols, const char* idstr);
 
 /**
  *
  * @param pSortHandle
  */
-void destroySortHandle(SSortHandle* pSortHandle);
+void tsortDestroySortHandle(SSortHandle* pSortHandle);
 
 /**
  *
  * @param pHandle
  * @return
  */
-int32_t sortOpen(SSortHandle* pHandle);
+int32_t tsortOpen(SSortHandle* pHandle);
 
 /**
  *
  * @param pHandle
  * @return
  */
-int32_t sortClose(SSortHandle* pHandle);
+int32_t tsortClose(SSortHandle* pHandle);
 
 /**
  *
  * @return
  */
-int32_t setFetchRawDataFp(SSortHandle* pHandle, _sort_fetch_block_fn_t fp);
+int32_t tsortSetFetchRawDataFp(SSortHandle* pHandle, _sort_fetch_block_fn_t fp);
 
 /**
  *
@@ -97,7 +97,7 @@ int32_t setFetchRawDataFp(SSortHandle* pHandle, _sort_fetch_block_fn_t fp);
  * @param fp
  * @return
  */
-int32_t setComparFn(SSortHandle* pHandle, _sort_merge_compar_fn_t fp);
+int32_t tsortSetComparFp(SSortHandle* pHandle, _sort_merge_compar_fn_t fp);
 
 /**
  *
@@ -105,14 +105,14 @@ int32_t setComparFn(SSortHandle* pHandle, _sort_merge_compar_fn_t fp);
  * @param pSource
  * @return success or failed
  */
-int32_t sortAddSource(SSortHandle* pSortHandle, void* pSource);
+int32_t tsortAddSource(SSortHandle* pSortHandle, void* pSource);
 
 /**
  *
  * @param pHandle
  * @return
  */
-STupleHandle* sortNextTuple(SSortHandle* pHandle);
+STupleHandle* tsortNextTuple(SSortHandle* pHandle);
 
 /**
  *
@@ -120,7 +120,7 @@ STupleHandle* sortNextTuple(SSortHandle* pHandle);
  * @param colIndex
  * @return
  */
-bool sortIsValueNull(STupleHandle* pVHandle, int32_t colIndex);
+bool tsortIsNullVal(STupleHandle* pVHandle, int32_t colIndex);
 
 /**
  *
@@ -128,7 +128,7 @@ bool sortIsValueNull(STupleHandle* pVHandle, int32_t colIndex);
  * @param colIndex
  * @return
  */
-void* sortGetValue(STupleHandle* pVHandle, int32_t colIndex);
+void* tsortGetValue(STupleHandle* pVHandle, int32_t colIndex);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index efa4afb42232aae6a9fb6b65e85d77cf47d09915..f2d98ea86ccedfe202b9d9ce3599bf3700106d5d 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -5586,7 +5586,7 @@ static void destroySortedMergeOperatorInfo(void* param, int32_t numOfOutput) {
   taosArrayDestroy(pInfo->groupInfo);
 
   if (pInfo->pSortHandle != NULL) {
-    destroySortHandle(pInfo->pSortHandle);
+    tsortDestroySortHandle(pInfo->pSortHandle);
   }
   blockDataDestroy(pInfo->binfo.pRes);
 
@@ -5617,11 +5617,11 @@ static void appendOneRowToDataBlock(SSDataBlock *pBlock, STupleHandle* pTupleHan
   for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
     SColumnInfoData* pColInfo = taosArrayGet(pBlock->pDataBlock, i);
 
-    bool isNull = sortIsValueNull(pTupleHandle, i);
+    bool isNull = tsortIsNullVal(pTupleHandle, i);
     if (isNull) {
       colDataAppend(pColInfo, pBlock->info.rows, NULL, true);
     } else {
-      char* pData = sortGetValue(pTupleHandle, i);
+      char* pData = tsortGetValue(pTupleHandle, i);
       colDataAppend(pColInfo, pBlock->info.rows, pData, false);
     }
   }
@@ -5633,7 +5633,7 @@ static SSDataBlock* getSortedBlockData(SSortHandle* pHandle, SSDataBlock* pDataB
   blockDataClearup(pDataBlock, hasVarCol);
 
   while(1) {
-    STupleHandle* pTupleHandle = sortNextTuple(pHandle);
+    STupleHandle* pTupleHandle = tsortNextTuple(pHandle);
     if (pTupleHandle == NULL) {
       break;
     }
@@ -5788,7 +5788,7 @@ static SSDataBlock* doMerge(SOperatorInfo* pOperator) {
 
     blockDataClearup(pDataBlock, pInfo->hasVarCol);
     while (1) {
-      STupleHandle* pTupleHandle = sortNextTuple(pHandle);
+      STupleHandle* pTupleHandle = tsortNextTuple(pHandle);
       if (pTupleHandle == NULL) {
         break;
       }
@@ -5835,19 +5835,19 @@ static SSDataBlock* doSortedMerge(void* param, bool* newgroup) {
 
   SSchema* p = blockDataExtractSchema(pInfo->binfo.pRes, NULL);
   int32_t numOfBufPage = pInfo->sortBufSize / pInfo->bufPageSize;
-  pInfo->pSortHandle = createSortHandle(pInfo->orderInfo, pInfo->nullFirst, SORT_MULTISOURCE_MERGE, pInfo->bufPageSize,
+  pInfo->pSortHandle = tsortCreateSortHandle(pInfo->orderInfo, pInfo->nullFirst, SORT_MULTISOURCE_MERGE, pInfo->bufPageSize,
                                         numOfBufPage, p, pInfo->binfo.pRes->info.numOfCols, "GET_TASKID(pTaskInfo)");
 
   tfree(p);
-  setFetchRawDataFp(pInfo->pSortHandle, loadNextDataBlock);
+  tsortSetFetchRawDataFp(pInfo->pSortHandle, loadNextDataBlock);
 
   for(int32_t i = 0; i < pOperator->numOfDownstream; ++i) {
     SGenericSource* ps = calloc(1, sizeof(SGenericSource));
     ps->param = pOperator->pDownstream[i];
-    sortAddSource(pInfo->pSortHandle, ps);
+    tsortAddSource(pInfo->pSortHandle, ps);
   }
 
-  int32_t code = sortOpen(pInfo->pSortHandle);
+  int32_t code = tsortOpen(pInfo->pSortHandle);
   if (code != TSDB_CODE_SUCCESS) {
     longjmp(pTaskInfo->env, terrno);
   }
@@ -6006,18 +6006,18 @@ static SSDataBlock* doSort(void* param, bool* newgroup) {
 
   SSchema* p = blockDataExtractSchema(pInfo->pDataBlock, NULL);
   int32_t numOfBufPage = pInfo->sortBufSize / pInfo->bufPageSize;
-  pInfo->pSortHandle = createSortHandle(pInfo->orderInfo, pInfo->nullFirst, SORT_SINGLESOURCE_SORT, pInfo->bufPageSize,
+  pInfo->pSortHandle = tsortCreateSortHandle(pInfo->orderInfo, pInfo->nullFirst, SORT_SINGLESOURCE_SORT, pInfo->bufPageSize,
                                         numOfBufPage, p, pInfo->pDataBlock->info.numOfCols, "GET_TASKID(pTaskInfo)");
 
   tfree(p);
-  setFetchRawDataFp(pInfo->pSortHandle, loadNextDataBlock);
+  tsortSetFetchRawDataFp(pInfo->pSortHandle, loadNextDataBlock);
 
   SGenericSource* ps = calloc(1, sizeof(SGenericSource));
   ps->param = pOperator;
-  sortAddSource(pInfo->pSortHandle, ps);
+  tsortAddSource(pInfo->pSortHandle, ps);
 
   // TODO set error code;
-  int32_t code = sortOpen(pInfo->pSortHandle);
+  int32_t code = tsortOpen(pInfo->pSortHandle);
   if (code != TSDB_CODE_SUCCESS) {
     longjmp(pTaskInfo->env, terrno);
   }
diff --git a/source/libs/executor/src/tsort.c b/source/libs/executor/src/tsort.c
index 89f555517ed8274edbcad3afb28b38e21969879e..33e95a19b5420df3c13c18d7179a00f11ae7e9c0 100644
--- a/source/libs/executor/src/tsort.c
+++ b/source/libs/executor/src/tsort.c
@@ -87,7 +87,7 @@ static SSDataBlock* createDataBlock_rv(SSchema* pSchema, int32_t numOfCols) {
  * @param type
  * @return
  */
-SSortHandle* createSortHandle(SArray* pOrderInfo, bool nullFirst, int32_t type, int32_t pageSize, int32_t numOfPages, SSchema* pSchema, int32_t numOfCols, const char* idstr) {
+SSortHandle* tsortCreateSortHandle(SArray* pOrderInfo, bool nullFirst, int32_t type, int32_t pageSize, int32_t numOfPages, SSchema* pSchema, int32_t numOfCols, const char* idstr) {
   SSortHandle* pSortHandle = calloc(1, sizeof(SSortHandle));
 
   pSortHandle->type       = type;
@@ -99,7 +99,7 @@ SSortHandle* createSortHandle(SArray* pOrderInfo, bool nullFirst, int32_t type,
   pSortHandle->cmpParam.orderInfo = pOrderInfo;
 
   pSortHandle->pDataBlock = createDataBlock_rv(pSchema, numOfCols);
-  setComparFn(pSortHandle, msortComparFn);
+  tsortSetComparFp(pSortHandle, msortComparFn);
 
   if (idstr != NULL) {
     pSortHandle->idStr    = strdup(idstr);
@@ -108,8 +108,8 @@ SSortHandle* createSortHandle(SArray* pOrderInfo, bool nullFirst, int32_t type,
   return pSortHandle;
 }
 
-void destroySortHandle(SSortHandle* pSortHandle) {
-  sortClose(pSortHandle);
+void tsortDestroySortHandle(SSortHandle* pSortHandle) {
+  tsortClose(pSortHandle);
   if (pSortHandle->pMergeTree != NULL) {
     tMergeTreeDestroy(pSortHandle->pMergeTree);
   }
@@ -119,7 +119,7 @@ void destroySortHandle(SSortHandle* pSortHandle) {
   tfree(pSortHandle);
 }
 
-int32_t sortAddSource(SSortHandle* pSortHandle, void* pSource) {
+int32_t tsortAddSource(SSortHandle* pSortHandle, void* pSource) {
   taosArrayPush(pSortHandle->pOrderedSource, &pSource);
 }
 
@@ -573,7 +573,7 @@ static int32_t createInitialSortedMultiSources(SSortHandle* pHandle) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t sortOpen(SSortHandle* pHandle) {
+int32_t tsortOpen(SSortHandle* pHandle) {
   if (pHandle->opened) {
     return 0;
   }
@@ -611,19 +611,19 @@ int32_t sortOpen(SSortHandle* pHandle) {
   }
 }
 
-int32_t sortClose(SSortHandle* pHandle) {
+int32_t tsortClose(SSortHandle* pHandle) {
   // do nothing
 }
 
-int32_t setFetchRawDataFp(SSortHandle* pHandle, _sort_fetch_block_fn_t fp) {
+int32_t tsortSetFetchRawDataFp(SSortHandle* pHandle, _sort_fetch_block_fn_t fp) {
   pHandle->fetchfp = fp;
 }
 
-int32_t setComparFn(SSortHandle* pHandle, _sort_merge_compar_fn_t fp) {
+int32_t tsortSetComparFp(SSortHandle* pHandle, _sort_merge_compar_fn_t fp) {
   pHandle->comparFn = fp;
 }
 
-STupleHandle* sortNextTuple(SSortHandle* pHandle) {
+STupleHandle* tsortNextTuple(SSortHandle* pHandle) {
   if (pHandle->cmpParam.numOfSources == pHandle->numOfCompletedSources) {
     return NULL;
   }
@@ -669,11 +669,11 @@ STupleHandle* sortNextTuple(SSortHandle* pHandle) {
   return &pHandle->tupleHandle;
 }
 
-bool sortIsValueNull(STupleHandle* pVHandle, int32_t colIndex) {
+bool tsortIsNullVal(STupleHandle* pVHandle, int32_t colIndex) {
   return false;
 }
 
-void* sortGetValue(STupleHandle* pVHandle, int32_t colIndex) {
+void* tsortGetValue(STupleHandle* pVHandle, int32_t colIndex) {
   SColumnInfoData* pColInfo = TARRAY_GET_ELEM(pVHandle->pBlock->pDataBlock, colIndex);
   return colDataGetData(pColInfo, pVHandle->rowIndex);
 }
diff --git a/source/libs/executor/test/executorUtilTests.cpp b/source/libs/executor/test/executorUtilTests.cpp
index 6a023170b24e9d00fedb284f5ee0d745d97540b4..ec066c95b111f3ef54818d2c086ca11bad22a4d2 100644
--- a/source/libs/executor/test/executorUtilTests.cpp
+++ b/source/libs/executor/test/executorUtilTests.cpp
@@ -164,24 +164,24 @@ TEST(testCase, inMem_sort_Test) {
   taosArrayPush(orderInfo, &oi);
 
   SSchema s = {.type = TSDB_DATA_TYPE_INT, .colId = 1, .bytes = 4, };
-  SSortHandle* phandle = createSortHandle(orderInfo, false, SORT_SINGLESOURCE_SORT, 1024, 5, &s, 1, "test_abc");
-  setFetchRawDataFp(phandle, getSingleColDummyBlock);
-  sortAddSource(phandle, &numOfRows);
+  SSortHandle* phandle = tsortCreateSortHandle(orderInfo, false, SORT_SINGLESOURCE_SORT, 1024, 5, &s, 1, "test_abc");
+  tsortSetFetchRawDataFp(phandle, getSingleColDummyBlock);
+  tsortAddSource(phandle, &numOfRows);
 
-  int32_t code = sortOpen(phandle);
+  int32_t code = tsortOpen(phandle);
   int32_t row = 1;
 
   while(1) {
-    STupleHandle* pTupleHandle = sortNextTuple(phandle);
+    STupleHandle* pTupleHandle = tsortNextTuple(phandle);
     if (pTupleHandle == NULL) {
       break;
     }
 
-    void* v = sortGetValue(pTupleHandle, 0);
+    void* v = tsortGetValue(pTupleHandle, 0);
     printf("%d: %d\n", row++, *(int32_t*) v);
 
   }
-  destroySortHandle(phandle);
+  tsortDestroySortHandle(phandle);
 }
 
 TEST(testCase, external_mem_sort_Test) {
@@ -198,8 +198,8 @@ TEST(testCase, external_mem_sort_Test) {
   taosArrayPush(orderInfo, &oi);
 
   SSchema s = {.type = TSDB_DATA_TYPE_INT, .colId = 1, .bytes = 4, };
-  SSortHandle* phandle = createSortHandle(orderInfo, false, SORT_SINGLESOURCE_SORT, 1024, 5, &s, 1, "test_abc");
-  setFetchRawDataFp(phandle, getSingleColDummyBlock);
+  SSortHandle* phandle = tsortCreateSortHandle(orderInfo, false, SORT_SINGLESOURCE_SORT, 1024, 5, &s, 1, "test_abc");
+  tsortSetFetchRawDataFp(phandle, getSingleColDummyBlock);
 
   _info* pInfo = (_info*) calloc(1, sizeof(_info));
   pInfo->startVal = 100000;
@@ -209,22 +209,22 @@ TEST(testCase, external_mem_sort_Test) {
   SGenericSource* ps = static_cast<SGenericSource*>(calloc(1, sizeof(SGenericSource)));
   ps->param = pInfo;
 
-  sortAddSource(phandle, ps);
+  tsortAddSource(phandle, ps);
 
-  int32_t code = sortOpen(phandle);
+  int32_t code = tsortOpen(phandle);
   int32_t row = 1;
 
   while(1) {
-    STupleHandle* pTupleHandle = sortNextTuple(phandle);
+    STupleHandle* pTupleHandle = tsortNextTuple(phandle);
     if (pTupleHandle == NULL) {
       break;
     }
 
-    void* v = sortGetValue(pTupleHandle, 0);
+    void* v = tsortGetValue(pTupleHandle, 0);
     printf("%d: %d\n", row++, *(int32_t*) v);
 
   }
-  destroySortHandle(phandle);
+  tsortDestroySortHandle(phandle);
 }
 
 TEST(testCase, ordered_merge_sort_Test) {
@@ -242,9 +242,9 @@ TEST(testCase, ordered_merge_sort_Test) {
   taosArrayPush(orderInfo, &oi);
 
   SSchema s = {.type = TSDB_DATA_TYPE_INT, .colId = 1, .bytes = 4};
-  SSortHandle* phandle = createSortHandle(orderInfo, false, SORT_MULTISOURCE_MERGE, 1024, 5, &s, 1,"test_abc");
-  setFetchRawDataFp(phandle, getSingleColDummyBlock);
-  setComparFn(phandle, docomp);
+  SSortHandle* phandle = tsortCreateSortHandle(orderInfo, false, SORT_MULTISOURCE_MERGE, 1024, 5, &s, 1,"test_abc");
+  tsortSetFetchRawDataFp(phandle, getSingleColDummyBlock);
+  tsortSetComparFp(phandle, docomp);
 
   for(int32_t i = 0; i < 10; ++i) {
     SGenericSource* p = static_cast<SGenericSource*>(calloc(1, sizeof(SGenericSource)));
@@ -254,23 +254,23 @@ TEST(testCase, ordered_merge_sort_Test) {
     c->startVal = 0;
 
     p->param = c;
-    sortAddSource(phandle, p);
+    tsortAddSource(phandle, p);
   }
 
-  int32_t code = sortOpen(phandle);
+  int32_t code = tsortOpen(phandle);
   int32_t row = 1;
 
   while(1) {
-    STupleHandle* pTupleHandle = sortNextTuple(phandle);
+    STupleHandle* pTupleHandle = tsortNextTuple(phandle);
     if (pTupleHandle == NULL) {
       break;
     }
 
-    void* v = sortGetValue(pTupleHandle, 0);
+    void* v = tsortGetValue(pTupleHandle, 0);
     printf("%d: %d\n", row++, *(int32_t*) v);
 
   }
-  destroySortHandle(phandle);
+  tsortDestroySortHandle(phandle);
 }
 
 #endif