8
8
state VARCHAR NOT NULL CHECK (state in ('no_agreement', 'pending',
9
9
'enabled', 'disabled'))
10
10
DEFAULT 'no_agreement',
11
admin BOOLEAN NOT NULL DEFAULT false,
11
rolenm VARCHAR NOT NULL CHECK (rolenm in ('anyone', 'student',
13
'lecturer', 'admin')),
12
14
unixid INT UNIQUE DEFAULT nextval('login_unixid_seq') NOT NULL,
13
15
nick VARCHAR NOT NULL,
14
16
pass_exp TIMESTAMP,
36
38
semesterid SERIAL PRIMARY KEY NOT NULL,
37
39
year CHAR(4) NOT NULL,
38
40
semester CHAR(1) NOT NULL,
39
state TEXT NOT NULL CHECK (state IN ('disabled', 'past',
40
'current', 'future')) DEFAULT 'current',
41
42
UNIQUE (year, semester)
45
CREATE OR REPLACE FUNCTION deactivate_semester_enrolments_update()
48
IF OLD.active = true AND NEW.active = false THEN
49
UPDATE enrolment SET active=false WHERE offeringid IN (
50
SELECT offeringid FROM offering WHERE offering.semesterid = NEW.semesterid);
56
CREATE TRIGGER deactivate_semester_enrolments
57
AFTER UPDATE ON semester
58
FOR EACH ROW EXECUTE PROCEDURE deactivate_semester_enrolments_update();
44
60
CREATE TABLE offering (
45
61
offeringid SERIAL PRIMARY KEY NOT NULL,
46
62
subject INT4 REFERENCES subject (subjectid) NOT NULL,
56
72
CREATE TABLE project_set (
57
73
projectsetid SERIAL PRIMARY KEY NOT NULL,
58
74
offeringid INTEGER REFERENCES offering (offeringid) NOT NULL,
59
max_students_per_group INTEGER
75
max_students_per_group INTEGER NOT NULL DEFAULT 4
62
78
CREATE TABLE project (
63
79
projectid SERIAL PRIMARY KEY NOT NULL,
64
short_name TEXT NOT NULL,
68
82
projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
72
CREATE OR REPLACE FUNCTION check_project_namespacing_insertupdate()
77
IF TG_OP = ''UPDATE'' THEN
78
IF NEW.projectsetid = OLD.projectsetid AND NEW.short_name = OLD.short_name THEN
82
SELECT offeringid INTO oid FROM project_set WHERE project_set.projectsetid = NEW.projectsetid;
83
PERFORM 1 FROM project, project_set
84
WHERE project_set.offeringid = oid AND
85
project.projectsetid = project_set.projectsetid AND
86
project.short_name = NEW.short_name;
88
RAISE EXCEPTION ''a project named % already exists in offering ID %'', NEW.short_name, oid;
94
CREATE TRIGGER check_project_namespacing
95
BEFORE INSERT OR UPDATE ON project
96
FOR EACH ROW EXECUTE PROCEDURE check_project_namespacing_insertupdate();
98
86
CREATE TABLE project_group (
99
87
groupnm VARCHAR NOT NULL,
100
88
groupid SERIAL PRIMARY KEY NOT NULL,
152
138
PRIMARY KEY (loginid,offeringid)
141
CREATE OR REPLACE FUNCTION confirm_active_semester_insertupdate()
146
SELECT semester.active INTO active FROM offering, semester WHERE offeringid=NEW.offeringid AND semester.semesterid = offering.semesterid;
147
IF NOT active AND NEW.active = true THEN
148
RAISE EXCEPTION ''cannot have active enrolment for % in offering %, as the semester is inactive'', NEW.loginid, NEW.offeringid;
152
' LANGUAGE 'plpgsql';
154
CREATE TRIGGER confirm_active_semester
155
BEFORE INSERT OR UPDATE ON enrolment
156
FOR EACH ROW EXECUTE PROCEDURE confirm_active_semester_insertupdate();
155
158
CREATE TABLE assessed (
156
159
assessedid SERIAL PRIMARY KEY NOT NULL,
157
160
loginid INT4 REFERENCES login (loginid),
173
175
CREATE TABLE project_submission (
174
submissionid SERIAL PRIMARY KEY,
175
176
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
176
177
path VARCHAR NOT NULL,
177
revision INT4 NOT NULL,
178
date_submitted TIMESTAMP NOT NULL,
179
submitter INT4 REFERENCES login (loginid) NOT NULL
178
revision INT4 NOT NULL
182
181
CREATE TABLE project_mark (
204
203
CREATE TABLE worksheet (
205
204
worksheetid SERIAL PRIMARY KEY,
206
205
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
207
identifier TEXT NOT NULL,
206
identifier VARCHAR NOT NULL,
208
207
name TEXT NOT NULL,
209
208
data TEXT NOT NULL,
210
209
assessable BOOLEAN NOT NULL,
211
seq_no INT4 NOT NULL,
210
order_no INT4 NOT NULL,
212
211
format TEXT NOT NUll,
213
212
UNIQUE (offeringid, identifier)
216
CREATE TABLE worksheet_exercise (
217
ws_ex_id SERIAL PRIMARY KEY,
215
CREATE TABLE worksheet_problem (
216
ws_prob_id SERIAL PRIMARY KEY,
218
217
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
219
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
220
seq_no INT4 NOT NULL,
221
active BOOLEAN NOT NULL DEFAULT true,
222
optional BOOLEAN NOT NULL,
223
UNIQUE (worksheetid, exerciseid)
218
problemid TEXT REFERENCES problem (identifier) NOT NULL,
226
CREATE TABLE exercise_attempt (
224
CREATE TABLE problem_attempt (
227
225
loginid INT4 REFERENCES login (loginid) NOT NULL,
228
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
226
ws_prob_id INT4 REFERENCES worksheet_problem (ws_prob_id) NOT NULL,
229
227
date TIMESTAMP NOT NULL,
230
attempt TEXT NOT NULL,
228
attempt VARCHAR NOT NULL,
231
229
complete BOOLEAN NOT NULL,
232
230
active BOOLEAN NOT NULL DEFAULT true,
233
PRIMARY KEY (loginid, ws_ex_id, date)
231
PRIMARY KEY (loginid,ws_prob_id,date)
236
CREATE TABLE exercise_save (
234
CREATE TABLE problem_save (
237
235
loginid INT4 REFERENCES login (loginid) NOT NULL,
238
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
236
ws_prob_id INT4 REFERENCES worksheet_problem (ws_prob_id) NOT NULL,
239
237
date TIMESTAMP NOT NULL,
240
238
text TEXT NOT NULL,
241
PRIMARY KEY (loginid, ws_ex_id)
239
PRIMARY KEY (loginid, ws_prob_id)
244
242
CREATE TABLE test_suite (
245
243
suiteid SERIAL PRIMARY KEY,
246
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
244
problemid TEXT REFERENCES problem (identifier) NOT NULL,
247
245
description TEXT,