Method rename_table

storage/mroonga/ha_mroonga.cpp:13500–13561

#endif

int ha_mroonga::rename_table(const char *from, const char *to)
{
  int error = 0;
  TABLE_LIST table_list;
  TABLE_SHARE *tmp_table_share;
  TABLE tmp_table;
  MRN_SHARE *tmp_share;
  MRN_DBUG_ENTER_METHOD();
  mrn::PathMapper to_mapper(to);
  mrn::PathMapper from_mapper(from);
  if (strcmp(from_mapper.db_name(), to_mapper.db_name()))
    DBUG_RETURN(HA_ERR_WRONG_COMMAND);

  LEX_CSTRING db_name=    { from_mapper.db_name(), strlen(from_mapper.db_name()) };
  LEX_CSTRING table_name= { from_mapper.mysql_table_name(),
                            strlen(from_mapper.mysql_table_name()) };
  table_list.init_one_table(&db_name, &table_name, 0,TL_WRITE);
  mrn_open_mutex_lock(NULL);
  tmp_table_share = mrn_create_tmp_table_share(&table_list, from, &error);
  mrn_open_mutex_unlock(NULL);
  if (!tmp_table_share) {
    DBUG_RETURN(error);
  }
  tmp_table.s = tmp_table_share;
#ifdef WITH_PARTITION_STORAGE_ENGINE
  tmp_table.part_info = NULL;
#endif
  if (!(tmp_share = mrn_get_share(from, &tmp_table, &error)))
  {
    mrn_open_mutex_lock(NULL);
    mrn_free_tmp_table_share(tmp_table_share);
    mrn_open_mutex_unlock(NULL);
    DBUG_RETURN(error);
  }

  if (tmp_share->wrapper_mode)
  {
    error = wrapper_rename_table(from, to, tmp_share,
                                 from_mapper.table_name(),
                                 to_mapper.table_name());
  } else {
    error = storage_rename_table(from, to, tmp_share,
                                 from_mapper.table_name(),
                                 to_mapper.table_name());
  }

  if (!error && to_mapper.table_name()[0] == '#') {
    error = add_wrap_hton(to, tmp_share->hton);
  } else if (error && from_mapper.table_name()[0] == '#') {
    add_wrap_hton(from, tmp_share->hton);
  }
  if (!error) {
    mrn_free_long_term_share(tmp_share->long_term_share);
    tmp_share->long_term_share = NULL;
  }
  mrn_free_share(tmp_share);
  mrn_open_mutex_lock(NULL);
  mrn_free_tmp_table_share(tmp_table_share);