ndbt_table.hpp

来自「MySQL源码文件5.X系列, 可自已编译到服务器」· HPP 代码 · 共 82 行

/* Copyright (C) 2003 MySQL AB

   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef NDBT_TABLE_HPP
#define NDBT_TABLE_HPP

#include <ndb_global.h>

#include <NdbApi.hpp>
#include <NdbOut.hpp>

class NDBT_Attribute : public NdbDictionary::Column {
public:
  NDBT_Attribute(const char* _name,
		 NdbDictionary::Column::Type _type,
		 int _length = 1,
		 bool _pk = false, 
		 bool _nullable = false):
    NdbDictionary::Column(_name)
  {
    assert(_name != 0);
    
    setType(_type);
    setLength(_length);
    setNullable(_nullable);
    setPrimaryKey(_pk);
  }
};

class NDBT_Table : public NdbDictionary::Table {
  /**
   * Print meta information about table 
   * (information on how it is strored, what the attributes look like etc.)
   */
  friend class NdbOut& operator <<(class NdbOut&, const NDBT_Table &);
public: 
  
  NDBT_Table(const char* name, 
	     int noOfAttributes,
	     const NdbDictionary::Column attributes[])
    : NdbDictionary::Table(name)
  {
    assert(name != 0);
    
    //setStoredTable(stored);
    for(int i = 0; i<noOfAttributes; i++)
      addColumn(attributes[i]);
  }

  static const NdbDictionary::Table * discoverTableFromDb(Ndb* ndb,
							  const char * name);
};

inline
const NdbDictionary::Table * 
NDBT_Table::discoverTableFromDb(Ndb* ndb, const char * name){
  return ndb->getDictionary()->getTable(name);
}


/**
 * Print meta information about index
 * (information on how it is strored, what the attributes look like etc.)
 */
class NdbOut& operator <<(class NdbOut&, const NdbDictionary::Index &);



#endif