Method set

sql/item.h:285–290

    set_repertoire_from_charset(collation_arg);
  }
  void set(DTCollation &dt)
  {
    collation= dt.collation;
    derivation= dt.derivation;
    repertoire= dt.repertoire;
  }
  void set(const CHARSET_INFO *collation_arg, Derivation derivation_arg)
  {
    collation= collation_arg;