polardbxengine/storage/ndb/include/kernel/signaldata/LqhFrag.hpp

/*
   Copyright (c) 2003, 2017, 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, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   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, version 2.0, 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 LQH_FRAG_HPP
#define LQH_FRAG_HPP

#include "SignalData.hpp"

#define JAM_FILE_ID 44


class AddFragReq {
  /**
   * Sender(s)
   */
  friend class Dbdih;

  /**
   * Receiver(s)
   */
  friend class Dbdict;
  
  friend bool printADD_FRAG_REQ(FILE *, const Uint32 *, Uint32, Uint16);

public:
  STATIC_CONST( SignalLength = 14 );
  
  enum RequestInfo {
    CreateInRunning = 0x8000000,
    TemporaryTable  = 0x00000010
  };
private:
  Uint32 dihPtr;
  Uint32 senderData; // The same data as sent in DIADDTABREQ
  Uint32 fragmentId;
  Uint32 requestInfo; 
  Uint32 tableId;
  Uint32 nextLCP;
  Uint32 nodeId;
  Uint32 totalFragments;
  Uint32 startGci;
  Uint32 tablespaceId;
  Uint32 logPartId;
  Uint32 changeMask;
  Uint32 partitionId;
  Uint32 createGci;
};

class AddFragRef {
  /**
   * Sender(s)
   */
  friend class Dbdict;

  /**
   * Receiver(s)
   */
  friend class Dbdih;

  friend bool printADD_FRAG_REF(FILE *, const Uint32 *, Uint32, Uint16);
public:
  STATIC_CONST( SignalLength = 2 );
  
private:
  Uint32 dihPtr;
  Uint32 fragId;
};

class AddFragConf {
  /**
   * Sender(s)
   */
  friend class Dbdict;

  /**
   * Receiver(s)
   */
  friend class Dbdih;

  friend bool printADD_FRAG_CONF(FILE *, const Uint32 *, Uint32, Uint16);
public:
  STATIC_CONST( SignalLength = 2 );
  
private:
  Uint32 dihPtr;
  Uint32 fragId;
};

class LqhFragReq {
  /**
   * Sender(s)
   */
  friend class Dbdict;

  /**
   * Receiver(s)
   */
  friend class Dblqh;
  friend class DblqhProxy;
  
  friend bool printLQH_FRAG_REQ(FILE *, const Uint32 *, Uint32, Uint16);

public:
  STATIC_CONST( SignalLength = 24 );
  STATIC_CONST( OldSignalLength = 23 );
  STATIC_CONST( OldestSignalLength = 22 );
  
  enum RequestInfo {
    CreateInRunning = 0x8000000,
    TemporaryTable = 0x00000010
  };

private:
  Uint32 senderData;
  Uint32 senderRef;
  Uint32 tableId;
  Uint32 tableVersion;

  Uint32 nextLCP;
  Uint32 startGci;
  union {
    Uint32 fragmentId;
    Uint32 fragId;
  };
  Uint32 requestInfo; 

  Uint32 localKeyLength;
  Uint32 lh3DistrBits;
  Uint32 lh3PageBits;
  Uint32 keyLength;
  Uint32 maxLoadFactor;
  Uint32 minLoadFactor;
  Uint32 kValue;

  Uint32 logPartId;
  Uint32 tablespace_id;       // RNIL for MM table
  Uint32 maxRowsLow;
  Uint32 maxRowsHigh;
  Uint32 minRowsLow;
  Uint32 minRowsHigh;
  Uint32 changeMask;
  Uint32 partitionId;
  Uint32 createGci;
};

class LqhFragConf {
  /**
   * Sender(s)
   */
  friend class Dblqh;
  friend class DblqhProxy;

  /**
   * Receiver(s)
   */
  friend class Dbdict;

  friend bool printLQH_FRAG_CONF(FILE *, const Uint32 *, Uint32, Uint16);
public:
  STATIC_CONST( SignalLength = 5 );

private:
  Uint32 senderData;
  Uint32 lqhFragPtr;
  Uint32 tableId;
  Uint32 fragId;
  Uint32 changeMask;
};

class LqhFragRef {
  /**
   * Sender(s)
   */
  friend class Dblqh;
  friend class DblqhProxy;

  /**
   * Receiver(s)
   */
  friend class Dbdict;

  friend bool printLQH_FRAG_REF(FILE *, const Uint32 *, Uint32, Uint16);
public:
  STATIC_CONST( SignalLength = 6 );

private:
  Uint32 senderData;
  Uint32 errorCode;
  Uint32 tableId;
  Uint32 fragId;
  Uint32 requestInfo;
  Uint32 changeMask;
};

class LqhAddAttrReq {
  /**
   * Sender(s)
   */
  friend class Dbdict;

  /**
   * Receiver(s)
   */
  friend class Dblqh;
  friend class DblqhProxy;

  friend bool printLQH_ADD_ATTR_REQ(FILE *, const Uint32 *, Uint32, Uint16);
public:
  STATIC_CONST( HeaderLength = 4 );
  STATIC_CONST( EntryLength = 3 );
  STATIC_CONST( MAX_ATTRIBUTES = 6 );
  STATIC_CONST( DEFAULT_VALUE_SECTION_NUM = 0 );
  struct Entry {
    Uint32 attrId;              // for index, includes primary attr id << 16
    Uint32 attrDescriptor;      // 2 words type info
    Uint32 extTypeInfo;
  };
private:
  Uint32 lqhFragPtr;
  Uint32 noOfAttributes;
  Uint32 senderData;
  Uint32 senderAttrPtr;
  Entry attributes[MAX_ATTRIBUTES];
};

class LqhAddAttrRef {
  /**
   * Sender(s)
   */
  friend class Dblqh;
  friend class DblqhProxy;
  
  /**
   * Receiver(s)
   */
  friend class Dbdict;

  friend bool printLQH_ADD_ATTR_REF(FILE *, const Uint32 *, Uint32, Uint16);
public:
  STATIC_CONST( SignalLength = 2 );

private:
  Uint32 senderData;
  Uint32 errorCode;
};

class LqhAddAttrConf {
  /**
   * Sender(s)
   */
  friend class Dblqh;
  friend class DblqhProxy;
  
  /**
   * Receiver(s)
   */
  friend class Dbdict;

  friend bool printLQH_ADD_ATTR_CONF(FILE *, const Uint32 *, Uint32, Uint16);
public:
  STATIC_CONST( SignalLength = 2 );

private:
  Uint32 senderData;
  Uint32 senderAttrPtr;
};

struct DropFragReq
{
  STATIC_CONST( SignalLength = 5 );
  enum RequestInfo
  {
    AlterTableAbort = 0x1
  };
  Uint32 senderRef;
  Uint32 senderData;
  Uint32 tableId;
  Uint32 fragId;
  Uint32 requestInfo;
};

struct DropFragRef
{
  STATIC_CONST( SignalLength = 5 );
  Uint32 senderRef;
  Uint32 senderData;
  Uint32 tableId;
  Uint32 fragId;
  Uint32 errCode;
};

struct DropFragConf
{
  STATIC_CONST( SignalLength = 4 );
  Uint32 senderRef;
  Uint32 senderData;
  Uint32 tableId;
  Uint32 fragId;
};


#undef JAM_FILE_ID

#endif