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IndxKeyInfo.hpp
1 /*
2  Copyright (C) 2003, 2005, 2006 MySQL AB
3  All rights reserved. Use is subject to license terms.
4 
5  This program is free software; you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation; version 2 of the License.
8 
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  GNU General Public License for more details.
13 
14  You should have received a copy of the GNU General Public License
15  along with this program; if not, write to the Free Software
16  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18 
19 #ifndef INDX_KEY_INFO_HPP
20 #define INDX_KEY_INFO_HPP
21 
22 #include "SignalData.hpp"
23 
24 class IndxKeyInfo {
28  friend class NdbIndexOperation;
29 
33  friend class Dbtc;
34 
35  friend bool printINDXKEYINFO(FILE *, const Uint32 *, Uint32, Uint16);
36 
37 public:
38  STATIC_CONST( HeaderLength = 3 );
39  STATIC_CONST( DataLength = 20 );
40  STATIC_CONST( MaxSignalLength = HeaderLength + DataLength );
41 
42  // Public methods
43 public:
44  Uint32* getData() const;
45 
46 private:
47  Uint32 connectPtr;
48  Uint32 transId[2];
49  Uint32 keyData[DataLength];
50 };
51 
52 inline
53 Uint32* IndxKeyInfo::getData() const
54 {
55  return (Uint32*)&keyData[0];
56 }
57 
58 #endif