text: CREATE TEMP TABLE tmp (
    node_id text,
    hostname text,
    port text,
    status text,
    lb_weight text,
    role text,
    select_cnt text,
    load_balance_node text,
    replication_delay text,
    mode text);
  
  INSERT INTO tmp VALUES
  ('0',:dir,'11002','down','0.500000','standby','0','false','0','s'),
  ('1',:dir,'11003','up','0.500000','primary','0','false','0','s'),
  ('0',:dir,'11002','down','0.500000','slave','0','false','0','r'),
  ('1',:dir,'11003','up','0.500000','master','0','false','0','r');
  
  SELECT node_id,hostname,port,status,lb_weight,role,select_cnt,load_balance_node,replication_delay
  FROM tmp
  WHERE mode = :mode
  