---

cComplexQuery.cpp

Go to the documentation of this file.

/******************************************************************************/
/*                                                                            */
/* POLiTe - Persistent Object Library Test                                    */
/*                                        Ph.D. Thesis by Mgr. Michal Kopecky */
/*                                                                            */
/* Charles University Prague                                                  */
/*                                                                            */
/******************************************************************************/
/*                                                                            */
/* File name: ...                                                             */
/* Module: ......                                                             */
/*                                                                            */
/******************************************************************************/

// Standard Header(s)
#include <malloc.h>

// Common POLiTe Header(s)
#include <lTrace.h>
#include <lDefs.h>

// Own Header
#include <cComplexQuery.h>

ComplexQuery::ComplexQuery(
        const QueRefProto &X
        ): Query(X)
{
        _select = X._Select();
        _from = X._From();
        };

ComplexQuery::ComplexQuery()
: Query()
{
        _select = NULL;
        _from = NULL;
};

ComplexQuery::ComplexQuery(
        const char *const a_where
        )
: Query(a_where)
{
        _select = NULL;
        _from = NULL;
};

ComplexQuery::ComplexQuery(
        const char *const a_where,
        const char *const a_order_by
        )
: Query(a_where,a_order_by)
{
        _select = NULL;
        _from = NULL;
};

ComplexQuery::ComplexQuery(
        const char *const a_where,
        const char *const a_order_by,
        const char *const a_select,
        const char *const a_from
        )
: Query(a_where,a_order_by)
{
        StrCpy(_select = NULL,a_select);
        StrCpy(_from = NULL,a_from);
};

ComplexQuery::~ComplexQuery()
{
        StrFree(_select);
        StrFree(_from);
};

ComplexQuery &ComplexQuery::operator =(const ComplexQuery &X)
{
        if (&X != this) {
                StrCpy(_where,X._where);
                StrCpy(_order_by,X._order_by);
                StrCpy(_select = NULL,X._select);
                StrCpy(_from = NULL,X._from);
        };
        return *this;
};

char *ComplexQuery::_Select() const
        //replace columns selected, when not NULL
{
        char *_retval = NULL;
        return StrCpy(_retval,_select);
};

char *ComplexQuery::_From() const
        //add to list of tables, when not null
{
        char *_retval = NULL;
        return StrCpy(_retval,_from);
};

---