OciField.h

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#ifndef __DCL_OCI_FIELD_H__
#define __DCL_OCI_FIELD_H__     20020321
 
#include "OciData.h"
 
__DCL_BEGIN_NAMESPACE
 
class BytesOutputStream;
 
class OciField : public SQL::Field, public OciData
{
    DECLARE_CLASSINFO(OciField)
protected:
    ub2     __sqlt;
 
    virtual OciQuery* query() const;
 
public:
    bool init(SQL::Query* _query, ub4 _position,
        ub2 _type, void* _buf, ub2 _buflen
    );
 
    OciField();
    virtual ~OciField();
 
    // 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
    static sb4 defineCallback(
        dvoid*      _octxp,
        OCIDefine*  _defnp,
        ub4         _iter,
        dvoid**     _bufpp,
        ub4**       _alenpp,
        ub1*        _piecep,
        dvoid**     _indpp,
        ub2**       _rcodepp
    );
 
    sb4 defineCallback(
        OCIDefine*  _defnp,
        ub4         _iter,
        dvoid**     _bufpp,
        ub4**       _alenpp,
        ub1*        _piecep,
        dvoid**     _indpp,
        ub2**       _rcodep
    );
};
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_OCI_FIELD_H__