more TDB

source/libs/tdb/inc/tdb.h

@@ -22,9 +22,12 @@
 extern "C" {
 #endif
 
-typedef struct STDb TDB;
+typedef struct STDb    TDB;
 typedef struct STDbEnv TENV;
 
+// TEVN
+
+// TDB
 int tdbCreate(TDB **ppDb);
 int tdbDestroy(TDB *pDb);
 int tdbOpen(TDB **pDb, const char *fname, const char *dbname);

source/libs/tdb/src/db/tdb.c

@@ -18,6 +18,7 @@
 struct STDb {
   SBTree   btree;    // current access method
   SPgFile *pPgFile;  // backend page file this DB is using
+  TENV *   pEnv;     // TENV containing the DB
 };
 
 int tdbCreate(TDB **ppDb) {