hk_actionquery.h

// ****************************************************************************
// copyright (c) 2000-2005 Horst Knorr <hk_classes@knoda.org>  
// This file is part of the hk_classes library.
// This file may be distributed and/or modified under the terms of the
// GNU Library Public License version 2 as published by the Free Software
// Foundation and appearing in the file COPYING included in the
// packaging of this file.
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// ****************************************************************************
#ifndef HK_ACTIONQUERY
#define HK_ACTIONQUERY
#include <hk_data.h>
using namespace std;
class hk_database;
class hk_actionqueryprivate;
class hk_actionquery: public hk_data
{
    friend class hk_database;
    friend class hk_datasource;
    public:
        virtual ~hk_actionquery(void);
        enum_datasourcetypes type(void);
        void    set_sql(const char*s, unsigned long l);
        void set_sql(const hk_string& s,bool convertdelimiter=false);
        const char* sql(void);
        unsigned long length(void);
        bool    execute(void);

    protected:
        hk_actionquery(hk_database* db);
        virtual bool    driver_specific_execute(void){return false;}
        virtual bool    driver_specific_sql(const char*s);
        virtual void   before_source_vanishes(void);
        const char*     p_sql;
        unsigned long p_length;
        void print_sql(void);
        hk_string sqlconvertdelimiter(const hk_string& );
    private:
        hk_database* p_database;
        hk_actionqueryprivate* p_private;

};
#endif

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