IBParam.h

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#ifndef __DCL_IB_PARAM_H__
#define __DCL_IB_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;
#if defined(FIREBIRD_IBASE_H) && FB_API_VER >= 40
        ISC_TIME_TZ_EX  time_tz;
        ISC_TIMESTAMP_TZ_EX ts_tz;
#endif
        ISC_QUAD        blob_id;
    } __data;
 
protected:
    IBQuery* query() const;
    IBConnection* conn() 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*  _val,
        size_t          _size,
        SQL::DataType  _valType,
        SQL::DataType  _sqlType
    );
 
    // implementation
    bool setInteger(const void* _val, size_t _size);
    bool setUInteger(const void* _val, size_t _size);
    bool setFloat(const void* _val, size_t _size);
    bool setDate(const SQL::Date* _val, size_t _size);
    bool setTime(const SQL::Time* _val, size_t _size);
    bool setTimeStamp(const SQL::TimeStamp* _val, size_t _size);
 
    bool setBytesToBlob(const byte_t* _val, size_t _size);
    bool setInputStreamToBlob(_CONST InputStream* _input, size_t _size);
    bool cancelBlob();
};
 
inline IBQuery* IBParam::query() const
{
    return (IBQuery*)Param::__queryHandle;
}
 
inline IBConnection* IBParam::conn() const
{
    return query()->conn();
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_IB_PARAM_H__