80 lines
1.9 KiB
C++

/*
Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
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; version 2 of the License.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef NEXT_SCAN_HPP
#define NEXT_SCAN_HPP
#include "SignalData.hpp"
#define JAM_FILE_ID 11
class NextScanReq {
friend class Dblqh;
friend class Dbacc;
friend class Dbtux;
friend class Dbtup;
public:
// two sets of defs picked from lqh/acc
enum ScanFlag {
ZSCAN_NEXT = 1,
ZSCAN_NEXT_COMMIT = 2,
ZSCAN_COMMIT = 3, // new
ZSCAN_CLOSE = 6,
ZSCAN_NEXT_ABORT = 12
};
STATIC_CONST( SignalLength = 3 );
private:
Uint32 accPtr; // scan record in ACC/TUX
Uint32 accOperationPtr;
Uint32 scanFlag;
};
class NextScanConf {
friend class Dbacc;
friend class Dbtux;
friend class Dbtup;
friend class Dblqh;
public:
// length is less if no keyinfo or no next result
STATIC_CONST( SignalLength = 11 );
STATIC_CONST( SignalLengthNoKeyInfo = 6 );
private:
Uint32 scanPtr; // scan record in LQH
Uint32 accOperationPtr;
Uint32 fragId;
Uint32 localKey[2];
Uint32 gci;
};
class NextScanRef {
friend class Dbtux;
friend class Dblqh;
public:
STATIC_CONST( SignalLength = 4 );
private:
Uint32 scanPtr;
Uint32 accOperationPtr;
Uint32 fragId;
Uint32 errorCode;
};
#undef JAM_FILE_ID
#endif