comment on column backups.databases is '备份数据源地址';


alter table backups
    add restore_databases jsonb;


alter table backups
    add restore_start timestamp with time zone;

comment on column backups.restore_start is '备份开始时间';

alter table backups
    add restore_end timestamp with time zone;

comment on column backups.restore_end is '备份结束时间';