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#ifndef ODBC_COLUMN_H
#define ODBC_COLUMN_H
#include <glibmm/ustring.h>
#include "bind.h"
namespace ODBC {
class Column : public BindBase {
public:
Column(const Glib::ustring &, 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 Glib::ustring () const;
operator struct tm () const;
virtual void rebind(Command *, unsigned int col) const = 0;
virtual const Glib::ustring & compose() const = 0;
virtual Glib::ustring compose(const Glib::ustring & fmt) const = 0;
virtual int writeToBuf(char ** buf) const = 0;
virtual int writeToBuf(char ** buf, const char * fmt) const = 0;
bool isNull() const;
const unsigned int colNo;
const Glib::ustring name;
protected:
mutable Glib::ustring * composeCache;
private:
SQLUINTEGER bindSize; // Allocated memory
friend class SelectCommand;
};
template <class t>
class _Column : public Bind<t>, public Column {
public:
_Column(const Glib::ustring &, unsigned int);
~_Column() {}
void rebind(Command *, unsigned int col) const;
const Glib::ustring & compose() const;
Glib::ustring compose(const Glib::ustring & fmt) const;
int writeToBuf(char ** buf) const;
int writeToBuf(char ** buf, const char * fmt) const;
};
}
void operator << (SQL_TIMESTAMP_STRUCT & target, const struct tm &);
void operator << (struct tm &, const SQL_TIMESTAMP_STRUCT & target);
#endif
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