include/Table.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Prabakaran Thirumalai   *
   3  *   praba_tuty@yahoo.com   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15   ***************************************************************************/
  16 #ifndef TABLE_H
  17 #define TABLE_H
  18 #include<ErrorType.h>
  19 class Predicate;
  20 class Condition;
  21 class Table
  22 {
  23     public:
  24     // search predicate
  25     virtual void setCondition(Condition c)=0;
  26
  27     //binding
  28     virtual void bindFld(const char *name, void *val)=0;
  29     virtual void markFldNull(const char *name)=0;
  30     virtual void markFldNull(int colpos)=0;
  31     virtual bool isFldNull(const char *name)=0;
  32     virtual bool isFldNull(int colpos)=0;
  33
  34     //DML operations
  35     virtual DbRetVal execute()=0;
  36     virtual DbRetVal insertTuple()=0;
  37     virtual DbRetVal updateTuple()=0;
  38     virtual DbRetVal deleteTuple()=0;
  39     //scan
  40     virtual void* fetch()=0;
  41     virtual DbRetVal close()=0;
  42
  43     virtual ~Table() { }
  44 };
  45 #endif