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#ifndef MY_COLUMN_H
#define MY_COLUMN_H
#include <column.h>
#include <mysql.h>
namespace MySQL {
class SelectCommand;
class ColumnBase : public DB::Column {
public:
ColumnBase(const char * name, unsigned int field);
[[nodiscard]] bool isNull() const override;
protected:
bool is_null;
long unsigned int length;
friend class SelectCommand;
};
class StringColumn : public ColumnBase {
public:
StringColumn(const char * name, unsigned int field, MYSQL_BIND * b, unsigned int len);
void apply(DB::HandleField &) const override;
std::vector<char> value;
};
class NullColumn : public ColumnBase {
public:
NullColumn(const char * name, unsigned int field, MYSQL_BIND * b);
void apply(DB::HandleField &) const override;
};
template<class T, enum_field_types MT> class Column : public ColumnBase {
public:
Column(const char * name, unsigned int field, MYSQL_BIND * b);
void apply(DB::HandleField & h) const override;
T value;
};
}
#endif
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