void AddColumn(const String & name, const String & desc, int log, int phy=-1)
{ column c(name, desc, log, phy); m_cols.push_back(c); }
void AddDefColumn(const String & name, int log, int phy=-1)
void AddColumn(const String & name, const String & desc, int log, int phy=-1)
{ column c(name, desc, log, phy); m_cols.push_back(c); }
void AddDefColumn(const String & name, int log, int phy=-1)