SchemaFile.hpp
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上传日期:2022-05-23
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- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- 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. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef DBDICT_SCHEMA_FILE_HPP
- #define DBDICT_SCHEMA_FILE_HPP
- #include <ndb_types.h>
- #include <string.h>
- struct SchemaFile {
- char Magic[8];
- Uint32 ByteOrder;
- Uint32 NdbVersion;
- Uint32 FileSize; // In bytes
- Uint32 Unused;
-
- Uint32 CheckSum;
-
- enum TableState {
- INIT = 0,
- ADD_STARTED = 1,
- TABLE_ADD_COMMITTED = 2,
- DROP_TABLE_STARTED = 3,
- DROP_TABLE_COMMITTED = 4,
- ALTER_TABLE_COMMITTED = 5
- };
- struct TableEntry {
- Uint32 m_tableState;
- Uint32 m_tableVersion;
- Uint32 m_tableType;
- Uint32 m_noOfPages;
- Uint32 m_gcp;
-
- bool operator==(const TableEntry& o) const {
- return memcmp(this, &o, sizeof(* this))== 0;
- }
- };
-
- Uint32 NoOfTableEntries;
- TableEntry TableEntries[1];
- };
- #endif