4
DROP TABLE group_members;
9
login varchar(80) PRIMARY KEY, -- login id
14
groupid varchar(18) PRIMARY KEY, -- group name Y^4-S^9-G^3
15
nick varchar(80), -- group nickname
16
subject varchar(9), -- subject code
17
year varchar(4) -- when
20
CREATE TABLE group_members (
21
login varchar(80) REFERENCES users (login),
22
groupid varchar(18) REFERENCES groups (groupid)
2
loginid SERIAL PRIMARY KEY NOT NULL,
3
login VARCHAR UNIQUE NOT NULL,
5
state VARCHAR NOT NULL CHECK (state in ('no_agreement', 'pending',
6
'enabled', 'disabled')),
7
rolenm VARCHAR NOT NULL CHECK (rolenm in ('anyone', 'student',
10
unixid INT UNIQUE NOT NULL, -- unix user id
11
nick VARCHAR NOT NULL,
17
fullname VARCHAR NOT NULL,
18
studentid VARCHAR, -- may be null
22
CREATE TABLE offering (
23
offeringid SERIAL PRIMARY KEY NOT NULL,
24
subj_name VARCHAR NOT NULL,
25
subj_code VARCHAR NOT NULL,
26
year CHAR(4) NOT NULL,
27
semester CHAR(1) NOT NULL,
31
CREATE TABLE project (
32
projectid SERIAL PRIMARY KEY NOT NULL,
35
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
39
CREATE TABLE project_group (
40
groupnm VARCHAR NOT NULL,
41
groupid SERIAL PRIMARY KEY NOT NULL,
42
offeringid INT4 REFERENCES offering (offeringid),
44
createdby INT4 REFERENCES login (loginid) NOT NULL,
45
epoch TIMESTAMP NOT NULL,
46
UNIQUE (offeringid, groupnm)
49
CREATE TABLE group_invitation (
50
loginid INT4 REFERENCES login (loginid) NOT NULL,
51
groupid INT4 REFERENCES project_group (groupid) NOT NULL,
52
inviter INT4 REFERENCES login (loginid) NOT NULL,
53
invited TIMESTAMP NOT NULL,
55
UNIQUE (loginid,groupid)
58
CREATE TABLE group_member (
59
loginid INT4 REFERENCES login (loginid),
60
groupid INT4 REFERENCES project_group (groupid),
61
projectid INT4 REFERENCES project (projectid),
62
UNIQUE (loginid,projectid),
63
PRIMARY KEY (loginid,groupid)
25
66
CREATE TABLE enrolment (
26
login varchar(80) REFERENCES users (login),
32
login varchar(80) REFERENCES users (login),
36
INSERT INTO users (login,nick) values ('conway', 'Tom');
37
INSERT INTO roles (login,role) values ('conway', 'student');
38
INSERT INTO users (login,nick) values ('apeel', 'Andrew');
39
INSERT INTO roles (login,role) values ('apeel', 'student');
40
INSERT INTO users (login,nick) values ('mgiuca', 'Matt');
41
INSERT INTO roles (login,role) values ('mgiuca', 'tutor');
42
INSERT INTO users (login,nick) values ('sb', 'Steven');
43
INSERT INTO roles (login,role) values ('sb', 'lecturer');
44
INSERT INTO users (login,nick) values ('mpp', 'Mike');
45
INSERT INTO roles (login,role) values ('mpp', 'student');
46
INSERT INTO users (login,nick) values ('ivo', 'Ivo');
47
INSERT INTO roles (login,role) values ('ivo', 'admin');
49
INSERT INTO groups (groupid, nick, subject, year) values ('2007-INFO10001-321', 'Purple Alert', 'INFO10001', '2008');
50
INSERT INTO groups (groupid, nick, subject, year) values ('2007-INFO10001-322', 'Blind Illuminati', 'INFO10001', '2008');
52
INSERT INTO group_members (login,groupid) values ('conway', '2007-INFO10001-321');
53
INSERT INTO group_members (login,groupid) values ('apeel', '2007-INFO10001-321');
54
INSERT INTO group_members (login,groupid) values ('mgiuca', '2007-INFO10001-321');
55
INSERT INTO group_members (login,groupid) values ('sb', '2007-INFO10001-321');
56
INSERT INTO group_members (login,groupid) values ('mpp', '2007-INFO10001-322');
57
INSERT INTO group_members (login,groupid) values ('ivo', '2007-INFO10001-322');
59
INSERT INTO enrolment (login,subject,year) values ('conway' , 'INFO10001', '2008');
60
INSERT INTO enrolment (login,subject,year) values ('apeel' , 'INFO10001', '2008');
61
INSERT INTO enrolment (login,subject,year) values ('mgiuca' , 'INFO10001', '2008');
62
INSERT INTO enrolment (login,subject,year) values ('sb' , 'INFO10001', '2008');
63
INSERT INTO enrolment (login,subject,year) values ('mpp' , 'INFO10001', '2008');
64
INSERT INTO enrolment (login,subject,year) values ('ivo' , 'INFO10001', '2008');
67
loginid INT4 REFERENCES login (loginid),
68
offeringid INT4 REFERENCES offering (offeringid),
70
special_result VARCHAR,
72
special_supp_result VARCHAR,
74
PRIMARY KEY (loginid,offeringid)
77
CREATE TABLE assessed (
78
assessedid SERIAL PRIMARY KEY NOT NULL,
79
loginid INT4 REFERENCES login (loginid),
80
groupid INT4 REFERENCES project_group (groupid),
81
-- exactly one of loginid and groupid must be non-null
82
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
83
OR (loginid IS NULL AND groupid IS NOT NULL))
86
CREATE TABLE project_extension (
87
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
88
projectid INT4 REFERENCES project (projectid) NOT NULL,
89
deadline TIMESTAMP NOT NULL,
90
approver INT4 REFERENCES login (loginid) NOT NULL,
94
CREATE TABLE project_submission (
95
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
96
projectid INT4 REFERENCES project (projectid) NOT NULL,
97
path VARCHAR NOT NULL,
98
revision INT4 NOT NULL
101
CREATE TABLE project_mark (
102
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
103
projectid INT4 REFERENCES project (projectid) NOT NULL,
105
marker INT4 REFERENCES login (loginid) NOT NULL,
112
CREATE TABLE problem (
113
problemid SERIAL PRIMARY KEY NOT NULL,
114
identifier VARCHAR UNIQUE NOT NULL,
118
CREATE TABLE problem_tag (
119
problemid INT4 REFERENCES problem (problemid),
120
tag VARCHAR NOT NULL,
122
standard BOOLEAN NOT NULL,
123
added_by INT4 REFERENCES login (loginid) NOT NULL,
124
date TIMESTAMP NOT NULL,
125
PRIMARY KEY (problemid,added_by,tag)
128
CREATE TABLE problem_test_case (
129
problemid INT4 REFERENCES problem (problemid) NOT NULL,
130
testcaseid SERIAL UNIQUE NOT NULL,
133
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
136
CREATE TABLE problem_test_case_tag (
137
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
138
tag VARCHAR NOT NULL,
140
standard BOOLEAN NOT NULL,
141
added_by INT4 REFERENCES login (loginid) NOT NULL,
142
date TIMESTAMP NOT NULL,
143
PRIMARY KEY (testcaseid,added_by,tag)
146
CREATE TABLE problem_attempt (
147
problemid INT4 REFERENCES problem (problemid) NOT NULL,
148
loginid INT4 REFERENCES login (loginid) NOT NULL,
149
date TIMESTAMP NOT NULL,
150
attempt VARCHAR NOT NULL,
151
complete BOOLEAN NOT NULL,
152
PRIMARY KEY (problemid,loginid,date)
155
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
157
CREATE TABLE problem_attempt_breakdown (
158
problemid INT4 REFERENCES problem (problemid) NOT NULL,
159
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
160
loginid INT4 REFERENCES login (loginid) NOT NULL,
161
date TIMESTAMP NOT NULL,
165
CREATE TABLE problem_prerequisite (
166
parent INT4 REFERENCES problem (problemid) NOT NULL,
167
child INT4 REFERENCES problem (problemid) NOT NULL,
168
PRIMARY KEY (parent,child)