id, group_name, context_path, host_id, host_ip, host_port, expire_at, node_type,create_dt,update_dt
insert into server_node (id, group_name, host_id, host_ip, host_port,
expire_at, node_type, context_path, create_dt)
values (#{id,jdbcType=BIGINT}, #{groupName,jdbcType=VARCHAR}, #{hostId,jdbcType=VARCHAR}, #{hostIp,jdbcType=VARCHAR},
#{hostPort,jdbcType=INTEGER},
#{expireAt,jdbcType=TIMESTAMP}, #{nodeType,jdbcType=TINYINT}, #{contextPath,jdbcType=VARCHAR}, #{createDt,jdbcType=TIMESTAMP}
) ON DUPLICATE KEY UPDATE
expire_at = values(`expire_at`)
delete from server_node
where expire_at <= #{endTime,jdbcType=TIMESTAMP}