3
CREATE OR REPLACE FUNCTION valid_url_name(name text) RETURNS boolean AS
6
RETURN name ~ E'^[a-z0-9][a-z0-9_\+\.\-]*$';
10
CREATE OR REPLACE FUNCTION valid_login_name(name text) RETURNS boolean AS
13
RETURN name ~ E'^[a-z0-9][a-z0-9@_\+\.\-]*$';
15
$$ LANGUAGE 'plpgsql';
17
CREATE SEQUENCE login_unixid_seq MINVALUE 1000 MAXVALUE 29999 START WITH 5000;
19
1
CREATE TABLE login (
20
2
loginid SERIAL PRIMARY KEY NOT NULL,
21
login VARCHAR UNIQUE NOT NULL CHECK (valid_login_name(login)),
3
login VARCHAR UNIQUE NOT NULL,
23
5
state VARCHAR NOT NULL CHECK (state in ('no_agreement', 'pending',
24
'enabled', 'disabled'))
25
DEFAULT 'no_agreement',
26
admin BOOLEAN NOT NULL DEFAULT false,
27
unixid INT UNIQUE DEFAULT nextval('login_unixid_seq') NOT NULL,
6
'enabled', 'disabled')),
7
rolenm VARCHAR NOT NULL CHECK (rolenm in ('anyone', 'student',
10
unixid INT UNIQUE NOT NULL, -- unix user id
28
11
nick VARCHAR NOT NULL,
29
12
pass_exp TIMESTAMP,
30
13
acct_exp TIMESTAMP,
43
CREATE TABLE subject (
44
subjectid SERIAL PRIMARY KEY NOT NULL,
45
subj_code VARCHAR UNIQUE NOT NULL,
46
subj_name VARCHAR NOT NULL,
47
subj_short_name VARCHAR UNIQUE NOT NULL CHECK (valid_url_name(subj_short_name))
50
CREATE TABLE semester (
51
semesterid SERIAL PRIMARY KEY NOT NULL,
52
year CHAR(4) NOT NULL CHECK (valid_url_name(year)),
53
semester CHAR(1) NOT NULL CHECK (valid_url_name(semester)),
54
state TEXT NOT NULL CHECK (state IN ('disabled', 'past',
55
'current', 'future')) DEFAULT 'current',
56
UNIQUE (year, semester)
59
22
CREATE TABLE offering (
60
23
offeringid SERIAL PRIMARY KEY NOT NULL,
61
subject INT4 REFERENCES subject (subjectid) NOT NULL,
62
semesterid INTEGER REFERENCES semester (semesterid) NOT NULL,
65
show_worksheet_marks BOOLEAN NOT NULL DEFAULT false,
66
worksheet_cutoff TIMESTAMP,
67
groups_student_permissions VARCHAR NOT NULL DEFAULT 'none',
68
CHECK (groups_student_permissions in ('none', 'invite', 'create')),
69
UNIQUE (subject, semesterid)
73
CREATE TABLE project_set (
74
projectsetid SERIAL PRIMARY KEY NOT NULL,
75
offeringid INTEGER REFERENCES offering (offeringid) NOT NULL,
76
max_students_per_group INTEGER
24
subj_name VARCHAR NOT NULL,
25
subj_code VARCHAR NOT NULL,
26
year CHAR(4) NOT NULL,
27
semester CHAR(1) NOT NULL,
79
31
CREATE TABLE project (
80
32
projectid SERIAL PRIMARY KEY NOT NULL,
81
short_name TEXT NOT NULL CHECK (valid_url_name(short_name)),
85
projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
86
deadline TIMESTAMP NOT NULL
35
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
89
CREATE OR REPLACE FUNCTION check_project_namespacing_insertupdate()
94
IF TG_OP = ''UPDATE'' THEN
95
IF NEW.projectsetid = OLD.projectsetid AND NEW.short_name = OLD.short_name THEN
99
SELECT offeringid INTO oid FROM project_set WHERE project_set.projectsetid = NEW.projectsetid;
100
PERFORM 1 FROM project, project_set
101
WHERE project_set.offeringid = oid AND
102
project.projectsetid = project_set.projectsetid AND
103
project.short_name = NEW.short_name;
105
RAISE EXCEPTION ''a project named % already exists in offering ID %'', NEW.short_name, oid;
109
' LANGUAGE 'plpgsql';
111
CREATE TRIGGER check_project_namespacing
112
BEFORE INSERT OR UPDATE ON project
113
FOR EACH ROW EXECUTE PROCEDURE check_project_namespacing_insertupdate();
115
39
CREATE TABLE project_group (
116
groupnm VARCHAR NOT NULL CHECK (valid_url_name(groupnm)),
40
groupnm VARCHAR NOT NULL,
117
41
groupid SERIAL PRIMARY KEY NOT NULL,
118
projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
42
offeringid INT4 REFERENCES offering (offeringid),
120
44
createdby INT4 REFERENCES login (loginid) NOT NULL,
121
45
epoch TIMESTAMP NOT NULL,
122
UNIQUE (projectsetid, groupnm)
46
UNIQUE (offeringid, groupnm)
125
CREATE OR REPLACE FUNCTION check_group_namespacing_insertupdate()
130
SELECT offeringid INTO oid FROM project_set WHERE project_set.projectsetid = NEW.projectsetid;
131
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;
133
RAISE EXCEPTION ''a project group named % already exists in offering ID %'', NEW.groupnm, oid;
137
' LANGUAGE 'plpgsql';
139
CREATE TRIGGER check_group_namespacing
140
BEFORE INSERT OR UPDATE ON project_group
141
FOR EACH ROW EXECUTE PROCEDURE check_group_namespacing_insertupdate();
143
49
CREATE TABLE group_invitation (
144
50
loginid INT4 REFERENCES login (loginid) NOT NULL,
145
51
groupid INT4 REFERENCES project_group (groupid) NOT NULL,
156
58
CREATE TABLE group_member (
157
59
loginid INT4 REFERENCES login (loginid),
158
60
groupid INT4 REFERENCES project_group (groupid),
61
projectid INT4 REFERENCES project (projectid),
62
UNIQUE (loginid,projectid),
159
63
PRIMARY KEY (loginid,groupid)
162
66
CREATE TABLE enrolment (
163
67
loginid INT4 REFERENCES login (loginid),
164
68
offeringid INT4 REFERENCES offering (offeringid),
165
role TEXT NOT NULL CHECK (role IN ('student', 'tutor',
166
'lecturer')) DEFAULT 'student',
168
70
special_result VARCHAR,
170
72
special_supp_result VARCHAR,
172
active BOOL NOT NULL DEFAULT true,
173
74
PRIMARY KEY (loginid,offeringid)
177
78
assessedid SERIAL PRIMARY KEY NOT NULL,
178
79
loginid INT4 REFERENCES login (loginid),
179
80
groupid INT4 REFERENCES project_group (groupid),
180
projectid INT4 REFERENCES project (projectid) NOT NULL,
181
81
-- exactly one of loginid and groupid must be non-null
182
82
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
183
83
OR (loginid IS NULL AND groupid IS NOT NULL))
186
86
CREATE TABLE project_extension (
187
extensionid SERIAL PRIMARY KEY,
188
87
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
88
projectid INT4 REFERENCES project (projectid) NOT NULL,
189
89
deadline TIMESTAMP NOT NULL,
190
90
approver INT4 REFERENCES login (loginid) NOT NULL,
194
94
CREATE TABLE project_submission (
195
submissionid SERIAL PRIMARY KEY,
196
95
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
96
projectid INT4 REFERENCES project (projectid) NOT NULL,
197
97
path VARCHAR NOT NULL,
198
revision INT4 NOT NULL,
199
date_submitted TIMESTAMP NOT NULL,
200
submitter INT4 REFERENCES login (loginid) NOT NULL
98
revision INT4 NOT NULL
203
101
CREATE TABLE project_mark (
204
102
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
103
projectid INT4 REFERENCES project (projectid) NOT NULL,
205
104
componentid INT4,
206
105
marker INT4 REFERENCES login (loginid) NOT NULL,
213
CREATE TABLE exercise (
214
identifier TEXT PRIMARY KEY CHECK (valid_url_name(identifier)),
217
description_xhtml_cache TEXT,
224
CREATE TABLE worksheet (
225
worksheetid SERIAL PRIMARY KEY,
226
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
227
identifier TEXT NOT NULL CHECK (valid_url_name(identifier)),
230
data_xhtml_cache TEXT,
231
assessable BOOLEAN NOT NULL,
232
published BOOLEAN NOT NULL DEFAULT true,
233
seq_no INT4 NOT NULL,
234
format TEXT NOT NUll,
235
UNIQUE (offeringid, identifier)
238
CREATE TABLE worksheet_exercise (
239
ws_ex_id SERIAL PRIMARY KEY,
240
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
241
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
242
seq_no INT4 NOT NULL,
243
active BOOLEAN NOT NULL DEFAULT true,
244
optional BOOLEAN NOT NULL,
245
UNIQUE (worksheetid, exerciseid)
248
CREATE TABLE exercise_attempt (
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,
249
148
loginid INT4 REFERENCES login (loginid) NOT NULL,
250
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
251
149
date TIMESTAMP NOT NULL,
252
attempt TEXT NOT NULL,
150
attempt VARCHAR NOT NULL,
253
151
complete BOOLEAN NOT NULL,
254
active BOOLEAN NOT NULL DEFAULT true,
255
PRIMARY KEY (loginid, ws_ex_id, date)
258
CREATE TABLE exercise_save (
259
loginid INT4 REFERENCES login (loginid) NOT NULL,
260
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
261
date TIMESTAMP NOT NULL,
263
PRIMARY KEY (loginid, ws_ex_id)
266
CREATE TABLE test_suite (
267
suiteid SERIAL PRIMARY KEY,
268
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
275
CREATE TABLE test_case (
276
testid SERIAL PRIMARY KEY,
277
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
284
CREATE TABLE suite_variable (
285
varid SERIAL PRIMARY KEY,
286
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
289
var_type TEXT NOT NULL,
293
CREATE TABLE test_case_part (
294
partid SERIAL PRIMARY KEY,
295
testid INT4 REFERENCES test_case (testid) NOT NULL,
296
part_type TEXT NOT NULL,
152
PRIMARY KEY (problemid,loginid,date)
155
CREATE TABLE problem_save (
156
problemid INT4 REFERENCES problem (problemid) NOT NULL,
157
loginid INT4 REFERENCES login (loginid) NOT NULL,
158
date TIMESTAMP NOT NULL,
159
text VARCHAR NOT NULL,
160
PRIMARY KEY (problemid,loginid)
163
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
165
CREATE TABLE problem_attempt_breakdown (
166
problemid INT4 REFERENCES problem (problemid) NOT NULL,
167
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
168
loginid INT4 REFERENCES login (loginid) NOT NULL,
169
date TIMESTAMP NOT NULL,
173
CREATE TABLE problem_prerequisite (
174
parent INT4 REFERENCES problem (problemid) NOT NULL,
175
child INT4 REFERENCES problem (problemid) NOT NULL,
176
PRIMARY KEY (parent,child)