more TDB

source/libs/tdb/src/inc/tdbInt.h

@@ -131,8 +131,11 @@ typedef int (*FKeyComparator)(const void *pKey1, int kLen1, const void *pKey2, i
 
 #define BTREE_MAX_DEPTH 20
 
+
 #include "tdbUtil.h"
 
+#include "tdbPage.h"
+
 #include "tdbPCache.h"
 
 #include "tdbPager.h"

source/libs/tdb/src/inc/tdbPage.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * 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/>.
+ */
+
+#ifndef _TDB_PAGE_H_
+#define _TDB_PAGE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct __attribute__((__packed__)) {
+  u8  flags;
+  u16 nCells;
+  u16 cellCont;
+  u16 freeCell;
+  u16 nFree;
+} SPageHdr;
+
+typedef struct {
+  SPageHdr *pPageHdr;
+  void *    pAMHdr;
+  u16 *     aCellIdx;
+} SPageHandle;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_TDB_PAGE_H_*/