diff --git a/source/libs/tdb/src/db/tdb_mpool.c b/source/libs/tdb/src/db/tdb_mpool.c
index 6d4f7c4bdc2e27c0e004fa2785a61aff2b9ffbf5..f9a939b5e9043da8c7c7eb1bd6244dfc949ad0d5 100644
--- a/source/libs/tdb/src/db/tdb_mpool.c
+++ b/source/libs/tdb/src/db/tdb_mpool.c
@@ -69,3 +69,14 @@ int tdbCloseMP(TDB_MPOOL *mp) {
   // TODO
   return 0;
 }
+
+int tdbMPFetchPage(TDB_MPOOL *mp, mp_pgid_t mpgid, void *p) {
+  // Search the hash
+  // TODO
+  return 0;
+}
+
+int tdbMpUnfetchPage(TDB_MPOOL *mp, mp_pgid_t mpgid, void *p) {
+  // TODO
+  return 0;
+}
\ No newline at end of file
diff --git a/source/libs/tdb/src/inc/tdb_mp.h b/source/libs/tdb/src/inc/tdb_mp.h
index d4e7457b059d44e63c5320d2b8be6cea69d56c5b..4a53c7b8d73ecd7cfdf3774620d6c3ff3fddbbb4 100644
--- a/source/libs/tdb/src/inc/tdb_mp.h
+++ b/source/libs/tdb/src/inc/tdb_mp.h
@@ -34,6 +34,7 @@ typedef struct MP_PAGE {
   // SRWLatch  rwLatch;
   mp_pgid_t mpgid;
   uint8_t   dirty;
+  uint8_t   fileid[TDB_FILE_UID_LEN];
   int32_t   pinRef;
   TD_DLIST_NODE(MP_PAGE);
   char *page[];