77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/*
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Copyright (c) 2011, 2019, 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 NDB_BINLOG_EXTRA_ROW_INFO_H
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#define NDB_BINLOG_EXTRA_ROW_INFO_H
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#include "libbinlogevents/include/rows_event.h"
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#include "my_byteorder.h"
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#include "sql/rpl_constants.h"
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#include "storage/ndb/include/ndb_types.h"
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/*
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Helper for reading/writing Binlog extra row info
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in Ndb format.
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It contains an internal buffer, which can be passed
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in the thd variable when writing binlog entries if
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the object stays in scope around the write.
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*/
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class Ndb_binlog_extra_row_info {
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public:
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static const Uint32 FLAGS_SIZE = sizeof(Uint16);
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static const Uint32 TRANSID_SIZE = sizeof(Uint64);
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static const Uint32 CFT_FLAGS_SIZE = sizeof(Uint16);
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static const Uint32 MaxLen =
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EXTRA_ROW_INFO_HEADER_LENGTH + FLAGS_SIZE + TRANSID_SIZE + CFT_FLAGS_SIZE;
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static const Uint64 InvalidTransactionId = ~Uint64(0);
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static const Uint16 UnsetConflictFlags = 0;
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enum Flags { NDB_ERIF_TRANSID = 0x1, NDB_ERIF_CFT_FLAGS = 0x2 };
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Ndb_binlog_extra_row_info();
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int loadFromBuffer(const uchar *extra_row_info_ptr);
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Uint16 getFlags() const { return flags; }
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void setFlags(Uint16 _flags);
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Uint64 getTransactionId() const { return transactionId; }
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void setTransactionId(Uint64 _transactionId);
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Uint16 getConflictFlags() const { return conflictFlags; }
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void setConflictFlags(Uint16 _conflictFlags);
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uchar *getBuffPtr() { return buff; }
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uchar *generateBuffer();
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private:
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uchar buff[MaxLen];
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Uint16 flags;
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Uint64 transactionId;
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Uint16 conflictFlags;
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};
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#endif
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