88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/*
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Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef NEXT_SCAN_HPP
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#define NEXT_SCAN_HPP
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#include "SignalData.hpp"
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#define JAM_FILE_ID 11
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class NextScanReq {
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friend class Dblqh;
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friend class Dbacc;
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friend class Dbtux;
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friend class Dbtup;
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public:
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// two sets of defs picked from lqh/acc
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enum ScanFlag {
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ZSCAN_NEXT = 1,
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ZSCAN_NEXT_COMMIT = 2,
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ZSCAN_COMMIT = 3, // new
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ZSCAN_CLOSE = 6,
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ZSCAN_NEXT_ABORT = 12
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};
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STATIC_CONST( SignalLength = 3 );
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private:
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Uint32 accPtr; // scan record in ACC/TUX
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Uint32 accOperationPtr;
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Uint32 scanFlag;
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};
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class NextScanConf {
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friend class Dbacc;
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friend class Dbtux;
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friend class Dbtup;
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friend class Dblqh;
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public:
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// length is less if no keyinfo or no next result
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STATIC_CONST( SignalLengthNoKeyInfo = 6 );
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STATIC_CONST( SignalLengthNoTuple = 3 );
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STATIC_CONST( SignalLengthNoGCI = 5);
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private:
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Uint32 scanPtr; // scan record in LQH
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Uint32 accOperationPtr;
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Uint32 fragId;
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Uint32 localKey[2];
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Uint32 gci;
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};
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class NextScanRef {
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friend class Dbtux;
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friend class Dblqh;
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public:
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STATIC_CONST( SignalLength = 4 );
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private:
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Uint32 scanPtr;
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Uint32 accOperationPtr;
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Uint32 fragId;
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Uint32 errorCode;
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};
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#undef JAM_FILE_ID
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#endif
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