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Overview
" Write Your Own Cloud Disk " will involve two kinds of databases, one is a relational database, namely MySQL, and the other is NoSQL database HBase . Currently , only file information is stored in HBase, and other information is stored in MySQL . The database design is as follows:
The tables stored in MySQL are as follows:
User login information table: yp_auth
| field name |
Types of |
illustrate |
| login_id |
varchar(32) |
primary key |
| login_name |
varchar(128) |
log-in name |
| password |
varchar(32) |
password, encrypted |
| create_datetime |
datetime |
creation time |
| create_ip |
varchar(32) |
IP at creation |
| latest_login_datetime |
datetime |
Last login time |
| latest_login_ip |
varchar(32) |
IP at last login |
| is_active |
int |
status, 0 : inactive; 1 : normal; 2 : disabled |
| person_id |
varchar(32) |
foreign key, Refers to the primary key of the yp_person table |
Personal Information Form: yp_person
| field name |
Types of |
illustrate |
| person_id |
varchar(32) |
primary key |
| real_name |
varchar(128) |
actual name |
| |
varchar(128) |
|
| telephone |
varchar(128) |
fixed number |
| cellphone |
varchar(128) |
cellphone number |
| introduction |
varchar(4000) |
Personal profile |
| picture |
varchar(128) |
Personal avatar, storage path |
| create_datetime |
datetime |
creation time |
Upload file table: yp_upload_file
| field name |
Types of |
illustrate |
| upload_file_id |
varhcar(32) |
primary key |
| original_name |
varchar(256) |
文件原始名称 |
| file_size |
long |
文件大小 |
| file_type |
varchar(128) |
文件类型 |
| path |
vachar(128) |
文件路径， 存放HBase中某条记录的rowkey |
| person_id |
varchar(32) |
外键， 引用yp_person表的主键 |
| create_datetime |
datetime |
创建时间 |
| order_id |
int |
排序字段 |
| upload_ip |
varchar(32) |
上传文件时的IP |
| directory_id |
varchar(32) |
外键， 引用yp_directory表的主键， 表示该文件所在的目录 |
| status_id |
int |
文件状态 |
| reserve1 |
varchar(1024) |
备用字段1 |
| reserve2 |
varchar(1024) |
备用字段2 |
| reserve3 |
varchar(1024) |
备用字段3 |
| reserve4 |
varchar(1024) |
备用字段4 |
| reserve5 |
varchar(1024) |
备用字段5 |
文件目录表：yp_directory
| 字段名 |
类型 |
说明 |
| directory_id |
varchar(32) |
主键 |
| directory_name |
varchar(128) |
目录名 |
| parent_id |
varchar(32) |
父目录的ID |
| person_id |
varchar(32) |
外键， 引用yp_person表的主键 |
| create_datetime |
datetime |
创建时间 |
文件分享表：yp_share_file
| 字段名 |
类型 |
说明 |
| share_file_id |
varchar(32) |
主键 |
| upload_file_id |
varchar(32) |
外键， 引用yp_upload_file的主键 |
| person_id |
varchar(32) |
外键， 引用yp_person的主键 |
| share_code |
varchar(32) |
分享的唯一编码 |
| status |
int |
分享状态 |
| share_type |
int |
分享类型，0：私密分享； 1：公开分享 |
| create_datetime |
datetime |
创建时间 |
HBase中存放的表如下：
文件信息表：yp_file
| 字段名 |
说明 |
| rowkey |
rowkey值 |
| file_info.file |
file_info为列簇，存放文件 |
| file_info.person_id |
file_info为列簇，存放个人信息表的主键 |
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