diff --git a/include/common/tdataformat.h b/include/common/tdataformat.h
index 2eda2f66cc..5d0b012fca 100644
--- a/include/common/tdataformat.h
+++ b/include/common/tdataformat.h
@@ -167,7 +167,6 @@ struct STSRow2 {
 #pragma pack(pop)
 
 struct STSRowBuilder {
-  // STSRow2  tsRow;
   int32_t  szBuf;
   uint8_t *pBuf;
 };
diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index c6e2842c32..518cfb62db 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -56,7 +56,7 @@ typedef struct SDataFWriter     SDataFWriter;
 typedef struct SDataFReader     SDataFReader;
 typedef struct SDelFWriter      SDelFWriter;
 typedef struct SDelFReader      SDelFReader;
-typedef struct SRowIter         SRowIter;
+typedef struct STSDBRowIter     STSDBRowIter;
 typedef struct STsdbFS          STsdbFS;
 typedef struct SRowMerger       SRowMerger;
 typedef struct STsdbReadSnap    STsdbReadSnap;
@@ -111,9 +111,9 @@ static FORCE_INLINE int64_t tsdbLogicToFileSize(int64_t lSize, int32_t szPage) {
 void tsdbRowGetColVal(TSDBROW *pRow, STSchema *pTSchema, int32_t iCol, SColVal *pColVal);
 // int32_t tPutTSDBRow(uint8_t *p, TSDBROW *pRow);
 int32_t tsdbRowCmprFn(const void *p1, const void *p2);
-// SRowIter
-void     tRowIterInit(SRowIter *pIter, TSDBROW *pRow, STSchema *pTSchema);
-SColVal *tRowIterNext(SRowIter *pIter);
+// STSDBRowIter
+void     tRowIterInit(STSDBRowIter *pIter, TSDBROW *pRow, STSchema *pTSchema);
+SColVal *tRowIterNext(STSDBRowIter *pIter);
 // SRowMerger
 int32_t tRowMergerInit2(SRowMerger *pMerger, STSchema *pResTSchema, TSDBROW *pRow, STSchema *pTSchema);
 int32_t tRowMergerAdd(SRowMerger *pMerger, TSDBROW *pRow, STSchema *pTSchema);
@@ -562,7 +562,7 @@ struct SDFileSet {
   SSttFile  *aSttF[TSDB_MAX_STT_TRIGGER];
 };
 
-struct SRowIter {
+struct STSDBRowIter {
   TSDBROW  *pRow;
   STSchema *pTSchema;
   SColVal   colVal;
diff --git a/source/dnode/vnode/src/tsdb/tsdbDiskData.c b/source/dnode/vnode/src/tsdb/tsdbDiskData.c
index 9f59707ddc..87506126c7 100644
--- a/source/dnode/vnode/src/tsdb/tsdbDiskData.c
+++ b/source/dnode/vnode/src/tsdb/tsdbDiskData.c
@@ -595,7 +595,7 @@ int32_t tDiskDataAddRow(SDiskDataBuilder *pBuilder, TSDBROW *pRow, STSchema *pTS
   if (pBuilder->bi.minKey > kRow.ts) pBuilder->bi.minKey = kRow.ts;
   if (pBuilder->bi.maxKey < kRow.ts) pBuilder->bi.maxKey = kRow.ts;
 
-  SRowIter iter = {0};
+  STSDBRowIter iter = {0};
   tRowIterInit(&iter, pRow, pTSchema);
 
   SColVal *pColVal = tRowIterNext(&iter);
diff --git a/source/dnode/vnode/src/tsdb/tsdbUtil.c b/source/dnode/vnode/src/tsdb/tsdbUtil.c
index 0aa2c6ab83..3412e620c4 100644
--- a/source/dnode/vnode/src/tsdb/tsdbUtil.c
+++ b/source/dnode/vnode/src/tsdb/tsdbUtil.c
@@ -579,8 +579,8 @@ int32_t tsdbRowCmprFn(const void *p1, const void *p2) {
   return tsdbKeyCmprFn(&TSDBROW_KEY((TSDBROW *)p1), &TSDBROW_KEY((TSDBROW *)p2));
 }
 
-// SRowIter ======================================================
-void tRowIterInit(SRowIter *pIter, TSDBROW *pRow, STSchema *pTSchema) {
+// STSDBRowIter ======================================================
+void tRowIterInit(STSDBRowIter *pIter, TSDBROW *pRow, STSchema *pTSchema) {
   pIter->pRow = pRow;
   if (pRow->type == 0) {
     ASSERT(pTSchema);
@@ -594,7 +594,7 @@ void tRowIterInit(SRowIter *pIter, TSDBROW *pRow, STSchema *pTSchema) {
   }
 }
 
-SColVal *tRowIterNext(SRowIter *pIter) {
+SColVal *tRowIterNext(STSDBRowIter *pIter) {
   if (pIter->pRow->type == 0) {
     if (pIter->i < pIter->pTSchema->numOfCols) {
       tTSRowGetVal(pIter->pRow->pTSRow, pIter->pTSchema, pIter->i, &pIter->colVal);