diff --git a/source/dnode/vnode/src/meta/metaTDBImpl.c b/source/dnode/vnode/src/meta/metaTDBImpl.c
index 6dea4a4e57392be988126c579648f39a8270b9bf..61c84740afca3801b43e614dea208464d3895916 100644
--- a/source/dnode/vnode/src/meta/metaTDBImpl.c
+++ b/source/dnode/vnode/src/meta/metaTDBImpl.c
@@ -11,4 +11,79 @@
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
\ No newline at end of file
+ */
+
+#include "meta.h"
+
+#include "tdb.h"
+
+struct SMetaDB {
+  // TODO
+};
+
+int metaOpenDB(SMeta *pMeta) {
+  // TODO
+  return 0;
+}
+
+void metaCloseDB(SMeta *pMeta) {
+  // TODO
+}
+
+int metaSaveTableToDB(SMeta *pMeta, STbCfg *pTbCfg) {
+  // TODO
+  return 0;
+}
+
+int metaRemoveTableFromDb(SMeta *pMeta, tb_uid_t uid) {
+  // TODO
+  return 0;
+}
+
+STbCfg *metaGetTbInfoByUid(SMeta *pMeta, tb_uid_t uid) {
+  // TODO
+  return NULL;
+}
+
+STbCfg *metaGetTbInfoByName(SMeta *pMeta, char *tbname, tb_uid_t *uid) {
+  // TODO
+  return NULL;
+}
+
+SSchemaWrapper *metaGetTableSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver, bool isinline) {
+  // TODO
+  return NULL;
+}
+
+STSchema *metaGetTbTSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver) {
+  // TODO
+  return NULL;
+}
+
+SMTbCursor *metaOpenTbCursor(SMeta *pMeta) {
+  // TODO
+  return NULL;
+}
+
+void metaCloseTbCursor(SMTbCursor *pTbCur) {
+  // TODO
+}
+
+char *metaTbCursorNext(SMTbCursor *pTbCur) {
+  // TODO
+  return NULL;
+}
+
+SMCtbCursor *metaOpenCtbCursor(SMeta *pMeta, tb_uid_t uid) {
+  // TODO
+  return NULL;
+}
+
+void metaCloseCtbCurosr(SMCtbCursor *pCtbCur) {
+  // TODO
+}
+
+tb_uid_t metaCtbCursorNext(SMCtbCursor *pCtbCur) {
+  // TODO
+  return 0;
+}
\ No newline at end of file