2
CREATE SEQUENCE login_unixid_seq MINVALUE 1000 MAXVALUE 29999 START WITH 5000;
2
login VARCHAR UNIQUE NOT NULL,
5
3
loginid SERIAL PRIMARY KEY NOT NULL,
6
login VARCHAR UNIQUE NOT NULL,
8
state VARCHAR NOT NULL CHECK (state in ('no_agreement', 'pending',
9
'enabled', 'disabled'))
10
DEFAULT 'no_agreement',
11
admin BOOLEAN NOT NULL DEFAULT false,
12
unixid INT UNIQUE DEFAULT nextval('login_unixid_seq') NOT NULL,
13
nick VARCHAR NOT NULL,
19
fullname VARCHAR NOT NULL,
20
studentid VARCHAR, -- may be null
25
CREATE TABLE subject (
26
subjectid SERIAL PRIMARY KEY NOT NULL,
27
subj_code VARCHAR UNIQUE NOT NULL,
28
subj_name VARCHAR NOT NULL,
29
subj_short_name VARCHAR UNIQUE NOT NULL,
33
CREATE TABLE semester (
34
semesterid SERIAL PRIMARY KEY NOT NULL,
8
studentid VARCHAR -- may be null
11
CREATE TABLE offering (
12
offeringid SERIAL PRIMARY KEY NOT NULL,
13
subj_name VARCHAR NOT NULL,
14
subj_code VARCHAR NOT NULL,
35
15
year CHAR(4) NOT NULL,
36
16
semester CHAR(1) NOT NULL,
37
state TEXT NOT NULL CHECK (state IN ('disabled', 'past',
38
'current', 'future')) DEFAULT 'current',
39
UNIQUE (year, semester)
42
CREATE TABLE offering (
43
offeringid SERIAL PRIMARY KEY NOT NULL,
44
subject INT4 REFERENCES subject (subjectid) NOT NULL,
45
semesterid INTEGER REFERENCES semester (semesterid) NOT NULL,
46
groups_student_permissions VARCHAR NOT NULL DEFAULT 'none',
47
CHECK (groups_student_permissions in ('none', 'invite', 'create')),
48
UNIQUE (subject, semesterid)
52
CREATE TABLE project_set (
53
projectsetid SERIAL PRIMARY KEY NOT NULL,
54
offeringid INTEGER REFERENCES offering (offeringid) NOT NULL,
55
max_students_per_group INTEGER NOT NULL DEFAULT 4
58
20
CREATE TABLE project (
59
21
projectid SERIAL PRIMARY KEY NOT NULL,
62
projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
24
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
66
28
CREATE TABLE project_group (
67
29
groupnm VARCHAR NOT NULL,
68
30
groupid SERIAL PRIMARY KEY NOT NULL,
69
projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
31
offeringid INT4 REFERENCES offering (offeringid),
71
33
createdby INT4 REFERENCES login (loginid) NOT NULL,
72
34
epoch TIMESTAMP NOT NULL,
73
UNIQUE (projectsetid, groupnm)
35
UNIQUE (offeringid, groupnm)
76
CREATE OR REPLACE FUNCTION check_group_namespacing_insertupdate()
81
SELECT offeringid INTO oid FROM project_set WHERE project_set.projectsetid = NEW.projectsetid;
82
PERFORM 1 FROM project_group, project_set WHERE project_set.offeringid = oid AND project_group.projectsetid = project_set.projectsetid AND project_group.groupnm = NEW.groupnm;
84
RAISE EXCEPTION ''a project group named % already exists in offering ID %'', NEW.groupnm, oid;
90
CREATE TRIGGER check_group_namespacing
91
BEFORE INSERT OR UPDATE ON project_group
92
FOR EACH ROW EXECUTE PROCEDURE check_group_namespacing_insertupdate();
94
38
CREATE TABLE group_invitation (
95
39
loginid INT4 REFERENCES login (loginid) NOT NULL,
96
40
groupid INT4 REFERENCES project_group (groupid) NOT NULL,
107
47
CREATE TABLE group_member (
108
48
loginid INT4 REFERENCES login (loginid),
109
49
groupid INT4 REFERENCES project_group (groupid),
50
projectid INT4 REFERENCES project (projectid),
51
UNIQUE (loginid,projectid),
110
52
PRIMARY KEY (loginid,groupid)
113
55
CREATE TABLE enrolment (
114
56
loginid INT4 REFERENCES login (loginid),
115
57
offeringid INT4 REFERENCES offering (offeringid),
116
role TEXT NOT NULL CHECK (role IN ('student', 'tutor',
117
'lecturer')) DEFAULT 'student',
119
59
special_result VARCHAR,
121
61
special_supp_result VARCHAR,
123
active BOOL NOT NULL DEFAULT true,
124
63
PRIMARY KEY (loginid,offeringid)
137
75
CREATE TABLE project_extension (
138
76
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
77
projectid INT4 REFERENCES project (projectid) NOT NULL,
139
78
deadline TIMESTAMP NOT NULL,
140
79
approver INT4 REFERENCES login (loginid) NOT NULL,
144
CREATE TABLE project_submission (
145
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
146
path VARCHAR NOT NULL,
147
revision INT4 NOT NULL
150
83
CREATE TABLE project_mark (
151
84
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
85
projectid INT4 REFERENCES project (projectid) NOT NULL,
153
87
marker INT4 REFERENCES login (loginid) NOT NULL,
160
CREATE TABLE exercise (
161
identifier TEXT PRIMARY KEY,
170
CREATE TABLE worksheet (
171
worksheetid SERIAL PRIMARY KEY,
172
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
173
identifier TEXT NOT NULL,
176
assessable BOOLEAN NOT NULL,
177
seq_no INT4 NOT NULL,
178
format TEXT NOT NUll,
179
UNIQUE (offeringid, identifier)
182
CREATE TABLE worksheet_exercise (
183
ws_ex_id SERIAL PRIMARY KEY,
184
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
185
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
186
seq_no INT4 NOT NULL,
187
active BOOLEAN NOT NULL DEFAULT true,
188
optional BOOLEAN NOT NULL,
189
UNIQUE (worksheetid, exerciseid)
192
CREATE TABLE exercise_attempt (
94
CREATE TABLE problem (
95
problemid SERIAL PRIMARY KEY NOT NULL,
99
CREATE TABLE problem_tag (
100
problemid INT4 REFERENCES problem (problemid),
101
tag VARCHAR NOT NULL,
103
standard BOOLEAN NOT NULL,
104
added_by INT4 REFERENCES login (loginid) NOT NULL,
105
date TIMESTAMP NOT NULL,
106
PRIMARY KEY (problemid,added_by,tag)
109
CREATE TABLE problem_test_case (
110
problemid INT4 REFERENCES problem (problemid) NOT NULL,
111
testcaseid SERIAL UNIQUE NOT NULL,
114
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
117
CREATE TABLE problem_test_case_tag (
118
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
119
tag VARCHAR NOT NULL,
121
standard BOOLEAN NOT NULL,
122
added_by INT4 REFERENCES login (loginid) NOT NULL,
123
date TIMESTAMP NOT NULL,
124
PRIMARY KEY (testcaseid,added_by,tag)
127
CREATE TABLE problem_attempt (
128
problemid INT4 REFERENCES problem (problemid) NOT NULL,
193
129
loginid INT4 REFERENCES login (loginid) NOT NULL,
194
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
195
130
date TIMESTAMP NOT NULL,
196
attempt TEXT NOT NULL,
131
attempt VARCHAR NOT NULL,
197
132
complete BOOLEAN NOT NULL,
198
active BOOLEAN NOT NULL DEFAULT true,
199
PRIMARY KEY (loginid, ws_ex_id, date)
133
PRIMARY KEY (problemid,loginid,date)
202
CREATE TABLE exercise_save (
136
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
138
CREATE TABLE problem_attempt_breakdown (
139
problemid INT4 REFERENCES problem (problemid) NOT NULL,
140
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
203
141
loginid INT4 REFERENCES login (loginid) NOT NULL,
204
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
205
142
date TIMESTAMP NOT NULL,
207
PRIMARY KEY (loginid, ws_ex_id)
210
CREATE TABLE test_suite (
211
suiteid SERIAL PRIMARY KEY,
212
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
219
CREATE TABLE test_case (
220
testid SERIAL PRIMARY KEY,
221
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
228
CREATE TABLE suite_variable (
229
varid SERIAL PRIMARY KEY,
230
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
233
var_type TEXT NOT NULL,
237
CREATE TABLE test_case_part (
238
partid SERIAL PRIMARY KEY,
239
testid INT4 REFERENCES test_case (testid) NOT NULL,
240
part_type TEXT NOT NULL,
146
CREATE TABLE problem_prerequisite (
147
parent INT4 REFERENCES problem (problemid) NOT NULL,
148
child INT4 REFERENCES problem (problemid) NOT NULL,
149
PRIMARY KEY (parent,child)