ODBCData.h

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#ifndef __DCL_ODBC_DATA_H__
#define __DCL_ODBC_DATA_H__     20251221
 
__DCL_BEGIN_NAMESPACE
 
class OutputStream;
 
class ODBCData
{
protected:
    BIND*       __bind;
    size_t      __maxsize;
 
protected:
    virtual ODBCQuery* query() const = 0;
    ODBCConnection* conn() const;
 
protected:
    ODBCData();
 
    SQL::DataType init(BIND* _bind);
 
    const wchar_t* serverDataTypeName() const;
    bool __getDataSize(size_t* _size, bool _maxsize);
    bool __getData(
        void* _buf,
        size_t* _size,
        SQL::DataType  _bufType
    );
 
    bool getInteger(void* _buf, size_t* _size);
    bool getUInteger(void* _buf, size_t* _size);
    bool getFloat(void* _buf, size_t* _size);
    bool getDate(SQL::Date* _buf, size_t* _size);
    bool getTime(SQL::Time* _buf, size_t* _size);
    bool getTimeStamp(SQL::TimeStamp* _buf, size_t* _size);
    bool getInterval(SQL::Interval* _buf, size_t* _size);
    bool getBytes(byte_t* _buf, size_t* _size);
    bool writeTo(OutputStream* _output, size_t* _size);
 
public:
    static const wchar_t* __TYPE_NAME(SQLSMALLINT _type);
    static SQLULEN __TYPE_SIZE(SQLSMALLINT _type, SQLULEN _size);
    static size_t __TYPE_ALIGN(size_t _offset, SQLSMALLINT _type);
    static SQLSMALLINT __VALUE_TYPE(SQLSMALLINT _type);
};
 
inline ODBCConnection* ODBCData::conn() const
{
    return query()->conn();
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_ODBC_DATA_H__