MyParam.h

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#ifndef __DCL_MY_PARAM_H__
#define __DCL_MY_PARAM_H__  20031025_20250414
 
__DCL_BEGIN_NAMESPACE
 
class InputStream;
 
class MyParam : public SQL::Param
{
    DECLARE_CLASSINFO(MyParam)
protected:
    unsigned int    __index;
    MYSQL_BIND*     __bind;
    union {
        int32_t     i32;
        int64_t     i64;
        uint32_t    u32;
        uint64_t    u64;
        float       f32;
        double      f64;
        MYSQL_TIME  time;
    } __data;
    InputStream* __input;
    size_t          __size;
 
protected:
    MyQuery* query() const;
    MyConnection* conn() const;
 
public:
    MyParam();
    virtual ~MyParam();
 
    bool init(SQL::Query* _query, unsigned int _index, MYSQL_BIND* _bind);
 
    bool onBeforeExecute();
    void onAfterExecute();
 
    virtual const wchar_t* serverDataTypeName() const;
    virtual void setNull();
 
    virtual bool __setData(
        _CONST void*  _val,
        size_t          _size,
        SQL::DataType  _valType,
        SQL::DataType  _sqlType
    );
};
 
inline MyQuery* MyParam::query() const
{
    return (MyQuery*)Param::__queryHandle;
}
 
inline MyConnection* MyParam::conn() const
{
    return query()->conn();
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_MY_PARAM_H__