create table project_folder
(
	id serial not null,
	file_name varchar not null,
	project_id integer not null,
	higher_file_id integer,
	type int not null
);

comment on column project_folder.project_id is '自定义项目或者项企项目';

comment on column project_folder.higher_file_id is '上级文件id';

comment on column project_folder.type is '1.项目资料
2.维修FQA
3.故障资料
4.运维规范';

create unique index project_folder_id_uindex
	on project_folder (id);

alter table project_folder
	add constraint project_folder_pk
		primary key (id);



create table project_folder_file
(
	id serial not null,
	name varchar,
	size integer,
	upload_time timestamp,
	file_id integer,
   url varchar
);

create unique index project_folder_file_id_uindex
	on project_folder_file (id);
