diff --git a/source/dnode/vnode/tsdb/inc/tsdbMemTable.h b/source/dnode/vnode/tsdb/inc/tsdbMemTable.h
index 0bb9fb75f822eff85d45d709112d5aabc75205f6..b4d104065606ff2407eefdfba17c78d4848bcdb7 100644
--- a/source/dnode/vnode/tsdb/inc/tsdbMemTable.h
+++ b/source/dnode/vnode/tsdb/inc/tsdbMemTable.h
@@ -22,7 +22,26 @@
 extern "C" {
 #endif
 
-typedef struct STsdbMemTable STsdbMemTable;
+typedef struct STbData {
+  tb_uid_t   uid;
+  TSKEY      keyMin;
+  TSKEY      keyMax;
+  int64_t    nrows;
+  SSkipList *pData;
+} STbData;
+
+typedef struct STsdbMemTable {
+  T_REF_DECLARE()
+  SRWLatch       latch;
+  TSKEY          keyMin;
+  TSKEY          keyMax;
+  uint64_t       nRow;
+  SMemAllocator *pMA;
+  // Container
+  SSkipList *pSlIdx;  // SSkiplist<STbData>
+  SHashObj * pHashIdx;
+} STsdbMemTable;
+
 
 STsdbMemTable *tsdbNewMemTable(STsdb *pTsdb);
 void           tsdbFreeMemTable(STsdb *pTsdb, STsdbMemTable *pMemTable);
diff --git a/source/dnode/vnode/tsdb/src/tsdbCommit.c b/source/dnode/vnode/tsdb/src/tsdbCommit.c
index 91c7c84979f81bdd41ca99ea8c239c9eb749ab56..9206845ffe2ee801dad81236733d830c4e1f0f66 100644
--- a/source/dnode/vnode/tsdb/src/tsdbCommit.c
+++ b/source/dnode/vnode/tsdb/src/tsdbCommit.c
@@ -17,6 +17,30 @@
 
 #define TSDB_MAX_SUBBLOCKS 8
 
+typedef struct {
+  STable *           pTable;
+  SSkipListIterator *pIter;
+} SCommitIter;
+
+typedef struct {
+  SRtn         rtn;     // retention snapshot
+  SFSIter      fsIter;  // tsdb file iterator
+  int          niters;  // memory iterators
+  SCommitIter *iters;
+  bool         isRFileSet;  // read and commit FSET
+  SReadH       readh;
+  SDFileSet    wSet;
+  bool         isDFileSame;
+  bool         isLFileSame;
+  TSKEY        minKey;
+  TSKEY        maxKey;
+  SArray *     aBlkIdx;  // SBlockIdx array
+  STable *     pTable;
+  SArray *     aSupBlk;  // Table super-block array
+  SArray *     aSubBlk;  // table sub-block array
+  SDataCols *  pDataCols;
+} SCommitH;
+
 static void tsdbStartCommit(STsdb *pRepo);
 static void tsdbEndCommit(STsdb *pTsdb, int eno);
 
@@ -89,26 +113,6 @@ static void tsdbEndCommit(STsdb *pTsdb, int eno) {
 
 extern int32_t tsTsdbMetaCompactRatio;
 
-
-typedef struct {
-  SRtn         rtn;     // retention snapshot
-  SFSIter      fsIter;  // tsdb file iterator
-  int          niters;  // memory iterators
-  SCommitIter *iters;
-  bool         isRFileSet; // read and commit FSET
-  SReadH       readh;
-  SDFileSet    wSet;
-  bool         isDFileSame;
-  bool         isLFileSame;
-  TSKEY        minKey;
-  TSKEY        maxKey;
-  SArray *     aBlkIdx;  // SBlockIdx array
-  STable *     pTable;
-  SArray *     aSupBlk;  // Table super-block array
-  SArray *     aSubBlk;  // table sub-block array
-  SDataCols *  pDataCols;
-} SCommitH;
-
 #define TSDB_COMMIT_REPO(ch) TSDB_READ_REPO(&(ch->readh))
 #define TSDB_COMMIT_REPO_ID(ch) REPO_ID(TSDB_READ_REPO(&(ch->readh)))
 #define TSDB_COMMIT_WRITE_FSET(ch) (&((ch)->wSet))
diff --git a/source/dnode/vnode/tsdb/src/tsdbMemTable.c b/source/dnode/vnode/tsdb/src/tsdbMemTable.c
index 539d5440d415c6ecde5f5f7e50bc098d7fcba747..f9f7ff70dc6133ed8a5da76df44119ea5842fd4c 100644
--- a/source/dnode/vnode/tsdb/src/tsdbMemTable.c
+++ b/source/dnode/vnode/tsdb/src/tsdbMemTable.c
@@ -15,30 +15,6 @@
 
 #include "tsdbDef.h"
 
-typedef struct STbData {
-  tb_uid_t   uid;
-  TSKEY      keyMin;
-  TSKEY      keyMax;
-  int64_t    nrows;
-  SSkipList *pData;
-} STbData;
-
-struct STsdbMemTable {
-  T_REF_DECLARE()
-  SRWLatch       latch;
-  TSKEY          keyMin;
-  TSKEY          keyMax;
-  uint64_t       nRow;
-  SMemAllocator *pMA;
-  // Container
-#if 1
-  SSkipList *pSlIdx;  // SSkiplist<STbData>
-  SHashObj * pHashIdx;
-#else
-  TD_SLIST(STbData) list;
-#endif
-};
-
 static int      tsdbScanAndConvertSubmitMsg(STsdb *pTsdb, SSubmitMsg *pMsg);
 static int      tsdbMemTableInsertTbData(STsdb *pRepo, SSubmitBlk *pBlock, int32_t *pAffectedRows);
 static STbData *tsdbNewTbData(tb_uid_t uid);