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#ifndef ODBC_COLUMN_H
#define ODBC_COLUMN_H
#include "ustring.h"
#include "bind.h"
namespace ODBC {
class Column : public BindBase {
public:
Column(String, unsigned int);
virtual ~Column();
void bind(SQLHANDLE, SQLUINTEGER, SQLSMALLINT, void*, size_t);
operator int () const;
operator unsigned int () const;
operator long long () const;
operator unsigned long long () const;
operator double () const;
operator float () const;
operator const unsigned char * () const;
operator const char * () const;
operator std::string () const;
operator String () const;
operator const struct tm & () const;
virtual void rebind(Command *, unsigned int col) const = 0;
virtual int writeToBuf(char ** buf) const = 0;
virtual int writeToBuf(char ** buf, const char * fmt) const = 0;
const unsigned int colNo;
const String name;
private:
mutable bool fresh;
friend class SelectCommand;
};
template <class t>
class _Column : public Bind<t>, public Column {
public:
_Column(String, unsigned int);
~_Column() {}
void rebind(Command *, unsigned int col) const;
int writeToBuf(char ** buf) const;
int writeToBuf(char ** buf, const char * fmt) const;
};
}
#endif
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