PeField.h

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#ifndef __DCL_PE_FIELD_H__
#define __DCL_PE_FIELD_H__      20250403
 
__DCL_BEGIN_NAMESPACE
 
class PeField : public SQL::Field
{
    DECLARE_CLASSINFO(PeField)
protected:
    sqlvar_t*   __sqlvar;
    size_t      __maxDataSize;
 
protected:
    PeQuery* query() const;
    PeConnection* conn() const;
 
public:
    PeField();
    virtual ~PeField();
 
    bool init(SQL::Query* _query, sqlvar_t* _sqlvar);
    bool onAfterFetch(sqlvar_t* _sqlvar);
 
    // interfaces
    virtual const wchar_t* serverDataTypeName() const;
    virtual bool __getDataSize(size_t* _size, bool _maxsize);
 
    virtual bool __getData(
        void* _buf,
        size_t* _size,
        SQL::DataType  _bufType
    );
 
protected:
    // implementation
    bool getInteger(void* _buf, size_t* _size);
    bool getUInteger(void* _buf, size_t* _size);
    bool getFloat(void* _buf, size_t* _size);
};
 
inline PeQuery* PeField::query() const 
{ 
    return (PeQuery*)Field::__queryHandle; 
}
 
inline PeConnection* PeField::conn() const
{
    return query()->conn();
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_PE_FIELD_H__