1 /* 2 Copyright (c) 2003, 2021, Oracle and/or its affiliates. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License, version 2.0, 6 as published by the Free Software Foundation. 7 8 This program is also distributed with certain software (including 9 but not limited to OpenSSL) that is licensed under separate terms, 10 as designated in a particular file or component or in included license 11 documentation. The authors of MySQL hereby grant you an additional 12 permission to link the program and your derivative works with the 13 separately licensed software that they have included with MySQL. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License, version 2.0, for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 23 */ 24 25 #ifndef NEXT_SCAN_HPP 26 #define NEXT_SCAN_HPP 27 28 #include "SignalData.hpp" 29 30 #define JAM_FILE_ID 11 31 32 33 class NextScanReq { 34 friend class Dblqh; 35 friend class Dbacc; 36 friend class Dbtux; 37 friend class Dbtup; 38 public: 39 // two sets of defs picked from lqh/acc 40 enum ScanFlag { 41 ZSCAN_NEXT = 1, 42 ZSCAN_NEXT_COMMIT = 2, 43 ZSCAN_COMMIT = 3, // new 44 ZSCAN_CLOSE = 6, 45 ZSCAN_NEXT_ABORT = 12 46 }; 47 STATIC_CONST( SignalLength = 3 ); 48 private: 49 Uint32 accPtr; // scan record in ACC/TUX 50 Uint32 accOperationPtr; 51 Uint32 scanFlag; 52 }; 53 54 class NextScanConf { 55 friend class Dbacc; 56 friend class Dbtux; 57 friend class Dbtup; 58 friend class Dblqh; 59 public: 60 // length is less if no keyinfo or no next result 61 STATIC_CONST( SignalLength = 11 ); 62 STATIC_CONST( SignalLengthNoKeyInfo = 6 ); 63 private: 64 Uint32 scanPtr; // scan record in LQH 65 Uint32 accOperationPtr; 66 Uint32 fragId; 67 Uint32 localKey[2]; 68 Uint32 gci; 69 }; 70 71 class NextScanRef { 72 friend class Dbtux; 73 friend class Dblqh; 74 public: 75 STATIC_CONST( SignalLength = 4 ); 76 private: 77 Uint32 scanPtr; 78 Uint32 accOperationPtr; 79 Uint32 fragId; 80 Uint32 errorCode; 81 }; 82 83 84 #undef JAM_FILE_ID 85 86 #endif 87