more tdb

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

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[];