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 subject (
23
subjectid SERIAL PRIMARY KEY NOT NULL,
24
subj_code VARCHAR UNIQUE NOT NULL,
25
subj_name VARCHAR NOT NULL,
26
subj_short_name VARCHAR UNIQUE NOT NULL,
30
CREATE TABLE offering (
31
offeringid SERIAL PRIMARY KEY NOT NULL,
32
subject INT4 REFERENCES subject (subjectid) NOT NULL,
33
year CHAR(4) NOT NULL,
34
semester CHAR(1) NOT NULL,
35
max_groups_per_student INT4 DEFAULT 1,
36
max_students_per_group INT4 DEFAULT 4,
37
groups_student_permissions VARCHAR NOT NULL
38
CHECK (groups_student_permissions in ('none', 'invite',
41
UNIQUE (subject, year, semester)
44
CREATE TABLE project (
45
projectid SERIAL PRIMARY KEY NOT NULL,
48
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
52
CREATE TABLE project_group (
53
groupnm VARCHAR NOT NULL,
54
groupid SERIAL PRIMARY KEY NOT NULL,
55
offeringid INT4 REFERENCES offering (offeringid),
57
createdby INT4 REFERENCES login (loginid) NOT NULL,
58
epoch TIMESTAMP NOT NULL,
59
UNIQUE (offeringid, groupnm)
62
CREATE TABLE group_invitation (
63
loginid INT4 REFERENCES login (loginid) NOT NULL,
64
groupid INT4 REFERENCES project_group (groupid) NOT NULL,
65
inviter INT4 REFERENCES login (loginid) NOT NULL,
66
invited TIMESTAMP NOT NULL,
68
UNIQUE (loginid,groupid)
71
CREATE TABLE group_member (
72
loginid INT4 REFERENCES login (loginid),
73
groupid INT4 REFERENCES project_group (groupid),
74
projectid INT4 REFERENCES project (projectid),
75
UNIQUE (loginid,projectid),
76
PRIMARY KEY (loginid,groupid)
1
-- We need a users database to do authorization, manage groups, &c
6
DROP TABLE group_members;
11
login varchar(80) PRIMARY KEY, -- login id
16
groupid varchar(18) PRIMARY KEY, -- group name Y^4-S^9-G^3
17
nick varchar(80), -- group nickname
18
subject varchar(9), -- subject code
19
year varchar(4) -- when
22
CREATE TABLE group_members (
23
login varchar(80) REFERENCES users (login),
24
groupid varchar(18) REFERENCES groups (groupid)
79
27
CREATE TABLE enrolment (
80
loginid INT4 REFERENCES login (loginid),
81
offeringid INT4 REFERENCES offering (offeringid),
83
special_result VARCHAR,
85
special_supp_result VARCHAR,
87
PRIMARY KEY (loginid,offeringid)
90
CREATE TABLE assessed (
91
assessedid SERIAL PRIMARY KEY NOT NULL,
92
loginid INT4 REFERENCES login (loginid),
93
groupid INT4 REFERENCES project_group (groupid),
94
projectid INT4 REFERENCES project (projectid) NOT NULL,
95
-- exactly one of loginid and groupid must be non-null
96
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
97
OR (loginid IS NULL AND groupid IS NOT NULL))
100
CREATE TABLE project_extension (
101
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
102
deadline TIMESTAMP NOT NULL,
103
approver INT4 REFERENCES login (loginid) NOT NULL,
107
CREATE TABLE project_submission (
108
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
109
path VARCHAR NOT NULL,
110
revision INT4 NOT NULL
113
CREATE TABLE project_mark (
114
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
116
marker INT4 REFERENCES login (loginid) NOT NULL,
123
CREATE TABLE problem (
124
problemid SERIAL PRIMARY KEY NOT NULL,
125
identifier VARCHAR UNIQUE NOT NULL,
129
CREATE TABLE worksheet (
130
worksheetid SERIAL PRIMARY KEY NOT NULL,
131
subject VARCHAR NOT NULL,
132
identifier VARCHAR NOT NULL,
135
UNIQUE (subject, identifier)
138
CREATE TABLE worksheet_problem (
139
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
140
problemid INT4 REFERENCES problem (problemid) NOT NULL,
142
PRIMARY KEY (worksheetid, problemid)
145
CREATE TABLE problem_tag (
146
problemid INT4 REFERENCES problem (problemid),
147
tag VARCHAR NOT NULL,
149
standard BOOLEAN NOT NULL,
150
added_by INT4 REFERENCES login (loginid) NOT NULL,
151
date TIMESTAMP NOT NULL,
152
PRIMARY KEY (problemid,added_by,tag)
155
CREATE TABLE problem_test_case (
156
problemid INT4 REFERENCES problem (problemid) NOT NULL,
157
testcaseid SERIAL UNIQUE NOT NULL,
160
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
163
CREATE TABLE problem_test_case_tag (
164
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
165
tag VARCHAR NOT NULL,
167
standard BOOLEAN NOT NULL,
168
added_by INT4 REFERENCES login (loginid) NOT NULL,
169
date TIMESTAMP NOT NULL,
170
PRIMARY KEY (testcaseid,added_by,tag)
173
CREATE TABLE problem_attempt (
174
problemid INT4 REFERENCES problem (problemid) NOT NULL,
175
loginid INT4 REFERENCES login (loginid) NOT NULL,
176
date TIMESTAMP NOT NULL,
177
attempt VARCHAR NOT NULL,
178
complete BOOLEAN NOT NULL,
179
PRIMARY KEY (problemid,loginid,date)
182
CREATE TABLE problem_save (
183
problemid INT4 REFERENCES problem (problemid) NOT NULL,
184
loginid INT4 REFERENCES login (loginid) NOT NULL,
185
date TIMESTAMP NOT NULL,
186
text VARCHAR NOT NULL,
187
PRIMARY KEY (problemid,loginid)
190
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
192
CREATE TABLE problem_attempt_breakdown (
193
problemid INT4 REFERENCES problem (problemid) NOT NULL,
194
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
195
loginid INT4 REFERENCES login (loginid) NOT NULL,
196
date TIMESTAMP NOT NULL,
200
CREATE TABLE problem_prerequisite (
201
parent INT4 REFERENCES problem (problemid) NOT NULL,
202
child INT4 REFERENCES problem (problemid) NOT NULL,
203
PRIMARY KEY (parent,child)
28
login varchar(80) REFERENCES users (login),
34
login varchar(80) REFERENCES users (login),
38
INSERT INTO users (login,nick) values ('conway', 'Tom');
39
INSERT INTO roles (login,role) values ('conway', 'student');
40
INSERT INTO users (login,nick) values ('apeel', 'Andrew');
41
INSERT INTO roles (login,role) values ('apeel', 'student');
42
INSERT INTO users (login,nick) values ('mgiuca', 'Matt');
43
INSERT INTO roles (login,role) values ('mgiuca', 'tutor');
44
INSERT INTO users (login,nick) values ('sb', 'Steven');
45
INSERT INTO roles (login,role) values ('sb', 'lecturer');
46
INSERT INTO users (login,nick) values ('mpp', 'Mike');
47
INSERT INTO roles (login,role) values ('mpp', 'student');
48
INSERT INTO users (login,nick) values ('ivo', 'Ivo');
49
INSERT INTO roles (login,role) values ('ivo', 'admin');
51
INSERT INTO groups (groupid, nick, subject, year) values ('2007-INFO10001-321', 'Purple Alert', 'INFO10001', '2008');
52
INSERT INTO groups (groupid, nick, subject, year) values ('2007-INFO10001-322', 'Blind Illuminati', 'INFO10001', '2008');
54
INSERT INTO group_members (login,groupid) values ('conway', '2007-INFO10001-321');
55
INSERT INTO group_members (login,groupid) values ('apeel', '2007-INFO10001-321');
56
INSERT INTO group_members (login,groupid) values ('mgiuca', '2007-INFO10001-321');
57
INSERT INTO group_members (login,groupid) values ('sb', '2007-INFO10001-321');
58
INSERT INTO group_members (login,groupid) values ('mpp', '2007-INFO10001-322');
59
INSERT INTO group_members (login,groupid) values ('ivo', '2007-INFO10001-322');
61
INSERT INTO enrolment (login,subject,year) values ('conway' , 'INFO10001', '2008');
62
INSERT INTO enrolment (login,subject,year) values ('apeel' , 'INFO10001', '2008');
63
INSERT INTO enrolment (login,subject,year) values ('mgiuca' , 'INFO10001', '2008');
64
INSERT INTO enrolment (login,subject,year) values ('sb' , 'INFO10001', '2008');
65
INSERT INTO enrolment (login,subject,year) values ('mpp' , 'INFO10001', '2008');
66
INSERT INTO enrolment (login,subject,year) values ('ivo' , 'INFO10001', '2008');