IBParam.h

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#ifndef __DCL_INTERBASE_PARAM_H__
#define __DCL_INTERBASE_PARAM_H__   20020321
 
__DCL_BEGIN_NAMESPACE
 
class InputStream;
 
class IBParam : public SQL::Param
{
    DECLARE_CLASSINFO(IBParam)
protected:
    XSQLVAR* __sqlvar;
    short __indicator;
    short __sqltype;        // original of __sqlvar->sqltype
    union {
        int16_t         i16;
        int32_t         i32;
        int64_t         i64;
        float           f32;
        double          f64;
        ISC_DATE        date;
        ISC_TIME        time;
        ISC_TIMESTAMP   ts;
        ISC_QUAD        blob_id;
    } __data;
 
protected:
    void setErrorStatus(SQL::Error _error,
                const wchar_t* _filename, int _line);
    void setErrorStatus(const ByteString& _message,
                const wchar_t* _filename, int _line);
 
    IBQuery* query() const;
 
public:
    bool init(SQL::Query* _query, XSQLVAR* _sqlvar);
    void onAfterExecute();
 
    IBParam();
    virtual ~IBParam();
 
protected:
    // interfaces
    virtual const wchar_t* serverDataTypeName() const;
 
    virtual void setNull();
    virtual bool __setData(
            _CONST void* _pv,
            size_t _size,
            SQL::DataType _dataType,
            SQL::DataType _assignType
            );
 
    // implementation
    bool setInteger(const void* _pv, size_t _size);
    bool setUInteger(const void* _pv, size_t _size);
    bool setFloat(const void* _pv, size_t _size);
    bool setDate(const SQL::Date* p, size_t _size);
    bool setTime(const SQL::Time* p, size_t _size);
    bool setTimeStamp(const SQL::TimeStamp* p, size_t _size);
 
    bool setBytesToBlob(const byte_t* p, size_t _size);
    bool setInputStreamToBlob(_CONST InputStream* pInput, size_t _size);
    bool cancelBlob();
};
 
inline void IBParam::setErrorStatus(SQL::Error _error,
                        const wchar_t* _filename, int _line)
{
    ((IBConnection*)Param::connection())
        ->setErrorStatus(_error, _filename, _line);
}
 
inline void IBParam::setErrorStatus(const ByteString& _message,
                        const wchar_t* _filename, int _line)
{
    ((IBConnection*)Param::connection())
        ->setErrorStatus(_message, _filename, _line);
}
 
inline IBQuery* IBParam::query() const
{
    return (IBQuery*)Param::__queryHandle;
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_INTERBASE_PARAM_H__