diff --git a/src/query/src/qast.c b/src/query/src/qast.c
index 1db965e8a3abb54008a955d3563dce0a2576060e..83c60c9e88127b335986cb6b81f1cbfd9af5a58e 100644
--- a/src/query/src/qast.c
+++ b/src/query/src/qast.c
@@ -772,7 +772,7 @@ static void tQueryIndexlessColumn(SSkipList* pSkipList, tQueryInfo* pQueryInfo,
     char *         pData = SL_GET_NODE_DATA(pNode);
 
     // todo refactor:
-    tstr *name = ((STableIndexElem *)pData)->pTable->name;
+    tstr *name = (*(STable **)pData)->name;
     // todo speed up by using hash
     if (pQueryInfo->colIndex == TSDB_TBNAME_COLUMN_INDEX) {
       if (pQueryInfo->optr == TSDB_RELATION_IN) {
diff --git a/src/tsdb/inc/tsdbMain.h b/src/tsdb/inc/tsdbMain.h
index a4a127069d5746f166102bc39511f64851df4edc..a8c81ccc5b792f6b18048d2ac4c05809a5bcbbdf 100644
--- a/src/tsdb/inc/tsdbMain.h
+++ b/src/tsdb/inc/tsdbMain.h
@@ -368,7 +368,6 @@ int   tsdbLoadCompData(SRWHelper* phelper, SCompBlock* pcompblock, void* target)
 void  tsdbGetDataStatis(SRWHelper* pHelper, SDataStatis* pStatis, int numOfCols);
 int   tsdbLoadBlockDataCols(SRWHelper* pHelper, SDataCols* pDataCols, int blkIdx, int16_t* colIds, int numOfColIds);
 int   tsdbLoadBlockData(SRWHelper* pHelper, SCompBlock* pCompBlock, SDataCols* target);
-int   tsdbUpdateFileHeader(SFile* pFile, uint32_t version);
 
 // ------------------ tsdbMain.c
 #define REPO_ID(r) (r)->config.tsdbId
diff --git a/src/tsdb/src/tsdbRWHelper.c b/src/tsdb/src/tsdbRWHelper.c
index c7ebbf460c377604b2f2529607ffa408d173a263..b89a187259ff8d9f79c290f96531f123d02d189f 100644
--- a/src/tsdb/src/tsdbRWHelper.c
+++ b/src/tsdb/src/tsdbRWHelper.c
@@ -559,51 +559,6 @@ _err:
   return -1;
 }
 
-int tsdbUpdateFileHeader(SFile *pFile, uint32_t version) {
-  char buf[TSDB_FILE_HEAD_SIZE] = "\0";
-
-  void *pBuf = (void *)buf;
-  pBuf = taosEncodeFixedU32(pBuf, version);
-  pBuf = tsdbEncodeSFileInfo(pBuf, &(pFile->info));
-
-  taosCalcChecksumAppend(0, (uint8_t *)buf, TSDB_FILE_HEAD_SIZE);
-
-  if (lseek(pFile->fd, 0, SEEK_SET) < 0) {
-    tsdbError("failed to lseek file %s since %s", pFile->fname, strerror(errno));
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-  if (twrite(pFile->fd, (void *)buf, TSDB_FILE_HEAD_SIZE) < TSDB_FILE_HEAD_SIZE) {
-    tsdbError("failed to write %d bytes to file %s since %s", TSDB_FILE_HEAD_SIZE, pFile->fname, strerror(errno));
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  return 0;
-}
-
-void *tsdbEncodeSFileInfo(void *buf, const STsdbFileInfo *pInfo) {
-  buf = taosEncodeFixedU32(buf, pInfo->offset);
-  buf = taosEncodeFixedU32(buf, pInfo->len);
-  buf = taosEncodeFixedU64(buf, pInfo->size);
-  buf = taosEncodeFixedU64(buf, pInfo->tombSize);
-  buf = taosEncodeFixedU32(buf, pInfo->totalBlocks);
-  buf = taosEncodeFixedU32(buf, pInfo->totalSubBlocks);
-
-  return buf;
-}
-
-void *tsdbDecodeSFileInfo(void *buf, STsdbFileInfo *pInfo) {
-  buf = taosDecodeFixedU32(buf, &(pInfo->offset));
-  buf = taosDecodeFixedU32(buf, &(pInfo->len));
-  buf = taosDecodeFixedU64(buf, &(pInfo->size));
-  buf = taosDecodeFixedU64(buf, &(pInfo->tombSize));
-  buf = taosDecodeFixedU32(buf, &(pInfo->totalBlocks));
-  buf = taosDecodeFixedU32(buf, &(pInfo->totalSubBlocks));
-
-  return buf;
-}
-
 // ---------------------- INTERNAL FUNCTIONS ----------------------
 static bool tsdbShouldCreateNewLast(SRWHelper *pHelper) {
   ASSERT(pHelper->files.lastF.fd > 0);
diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index e2f1bbcdb9b21562be722458cc73c5a4ef0a62bd..09eb981e2803903cdd6aeb2c8665647b375f0644 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -589,8 +589,10 @@ static bool doLoadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlo
   int64_t st = taosGetTimestampUs();
 
   if (pCheckInfo->pDataCols == NULL) {
-    STsdbMeta* pMeta = tsdbGetMeta(pRepo);
-    pCheckInfo->pDataCols = tdNewDataCols(pMeta->maxRowBytes, pMeta->maxCols, pRepo->config.maxRowsPerFileBlock);
+    // STsdbMeta* pMeta = tsdbGetMeta(pRepo);
+    // TODO
+    pCheckInfo->pDataCols =
+        tdNewDataCols(pCheckInfo->imem->maxRowBytes, pCheckInfo->imem->maxCols, pRepo->config.maxRowsPerFileBlock);
   }
 
   tdInitDataCols(pCheckInfo->pDataCols, tsdbGetTableSchema(pCheckInfo->pTableObj));