public Xobc_import_step_tbl(Db_conn conn) {
   this.conn = conn;
   this.tbl_name = "import_step";
   this.fld_step_id = flds.Add_int_pkey("step_id");
   this.fld_host_id = flds.Add_int("host_id");
   this.fld_wiki_abrv = flds.Add_str("wiki_abrv", 255);
   this.fld_wiki_date = flds.Add_str("wiki_date", 8);
   this.fld_import_name = flds.Add_str("import_name", 255);
   this.fld_import_type = flds.Add_int("import_type");
   this.fld_import_zip = flds.Add_byte("import_zip");
   this.fld_import_size_zip = flds.Add_long("import_size_zip");
   this.fld_import_size_raw = flds.Add_long("import_size_raw");
   this.fld_import_md5 = flds.Add_str("import_md5", 48);
   this.fld_prog_size_end = flds.Add_long("prog_size_end");
   this.fld_prog_count_end = flds.Add_long("prog_count_end");
   conn.Rls_reg(this);
 }