2
CREATE SEQUENCE login_unixid_seq MINVALUE 1000 MAXVALUE 29999 START WITH 5000;
1
-- We need a users database to do authorization, manage groups, &c
6
DROP TABLE group_members;
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login VARCHAR UNIQUE NOT NULL,
5
12
loginid SERIAL PRIMARY KEY NOT NULL,
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login VARCHAR UNIQUE NOT NULL,
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state VARCHAR NOT NULL CHECK (state in ('no_agreement', 'pending',
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'enabled', 'disabled'))
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DEFAULT 'no_agreement',
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rolenm VARCHAR NOT NULL CHECK (rolenm in ('anyone', 'student',
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'lecturer', 'admin')),
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unixid INT UNIQUE DEFAULT nextval('login_unixid_seq') NOT NULL,
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nick VARCHAR NOT NULL,
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fullname VARCHAR NOT NULL,
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studentid VARCHAR, -- may be null
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CREATE TABLE subject (
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subjectid SERIAL PRIMARY KEY NOT NULL,
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subj_code VARCHAR UNIQUE NOT NULL,
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subj_name VARCHAR NOT NULL,
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subj_short_name VARCHAR UNIQUE NOT NULL,
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CREATE TABLE semester (
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semesterid SERIAL PRIMARY KEY NOT NULL,
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year CHAR(4) NOT NULL,
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semester CHAR(1) NOT NULL,
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UNIQUE (year, semester)
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CREATE OR REPLACE FUNCTION deactivate_semester_enrolments_update()
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IF OLD.active = true AND NEW.active = false THEN
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UPDATE enrolment SET active=false WHERE offeringid IN (
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SELECT offeringid FROM offering WHERE offering.semesterid = NEW.semesterid);
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CREATE TRIGGER deactivate_semester_enrolments
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AFTER UPDATE ON semester
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FOR EACH ROW EXECUTE PROCEDURE deactivate_semester_enrolments_update();
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CREATE TABLE offering (
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offeringid SERIAL PRIMARY KEY NOT NULL,
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subject INT4 REFERENCES subject (subjectid) NOT NULL,
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semesterid INTEGER REFERENCES semester (semesterid) NOT NULL,
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groups_student_permissions VARCHAR NOT NULL DEFAULT 'none',
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CHECK (groups_student_permissions in ('none', 'invite', 'create')),
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UNIQUE (subject, semesterid)
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CREATE TABLE project_set (
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projectsetid SERIAL PRIMARY KEY NOT NULL,
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offeringid INTEGER REFERENCES offering (offeringid) NOT NULL,
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max_students_per_group INTEGER NOT NULL DEFAULT 4
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CREATE TABLE project (
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projectid SERIAL PRIMARY KEY NOT NULL,
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projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
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CREATE TABLE project_group (
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groupnm VARCHAR NOT NULL,
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group VARCHAR NOT NULL,
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groupid SERIAL PRIMARY KEY NOT NULL,
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projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
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offeringid INT4 REFERENCES offerings (offeringid),
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createdby INT4 REFERENCES login (loginid) NOT NULL,
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epoch TIMESTAMP NOT NULL,
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UNIQUE (projectsetid, groupnm)
23
UNIQUE (offeringid, group)
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CREATE OR REPLACE FUNCTION check_group_namespacing_insertupdate()
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SELECT offeringid INTO oid FROM project_set WHERE project_set.projectsetid = NEW.projectsetid;
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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;
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RAISE EXCEPTION ''a project group named % already exists in offering ID %'', NEW.groupnm, oid;
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' LANGUAGE 'plpgsql';
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CREATE TRIGGER check_group_namespacing
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BEFORE INSERT OR UPDATE ON project_group
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FOR EACH ROW EXECUTE PROCEDURE check_group_namespacing_insertupdate();
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CREATE TABLE group_invitation (
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loginid INT4 REFERENCES login (loginid) NOT NULL,
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groupid INT4 REFERENCES project_group (groupid) NOT NULL,
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inviter INT4 REFERENCES login (loginid) NOT NULL,
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invited TIMESTAMP NOT NULL,
26
CREATE TABLE group_invitations (
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loginid INT4 REFERENCES users (loginid),
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groupid INT4 REFERENCES groups (groupid),
116
29
UNIQUE (loginid,groupid)
119
CREATE TABLE group_member (
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loginid INT4 REFERENCES login (loginid),
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groupid INT4 REFERENCES project_group (groupid),
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CREATE TABLE group_members (
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loginid INT4 REFERENCES users (loginid),
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groupid INT4 REFERENCES groups (groupid),
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projectid INT4 REFERENCES projects (projectid),
36
UNIQUE (loginid,projectid),
122
37
PRIMARY KEY (loginid,groupid)
125
40
CREATE TABLE enrolment (
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loginid INT4 REFERENCES login (loginid),
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offeringid INT4 REFERENCES offering (offeringid),
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loginid INT4 REFERENCES users (loginid),
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offeringid INT4 REFERENCES offerings (offeringid),
129
special_result VARCHAR,
131
special_supp_result VARCHAR,
133
active BOOL NOT NULL DEFAULT true,
134
46
PRIMARY KEY (loginid,offeringid)
137
CREATE OR REPLACE FUNCTION confirm_active_semester_insertupdate()
142
SELECT semester.active INTO active FROM offering, semester WHERE offeringid=NEW.offeringid AND semester.semesterid = offering.semesterid;
143
IF NOT active AND NEW.active = true THEN
144
RAISE EXCEPTION ''cannot have active enrolment for % in offering %, as the semester is inactive'', NEW.loginid, NEW.offeringid;
148
' LANGUAGE 'plpgsql';
150
CREATE TRIGGER confirm_active_semester
151
BEFORE INSERT OR UPDATE ON enrolment
152
FOR EACH ROW EXECUTE PROCEDURE confirm_active_semester_insertupdate();
154
CREATE TABLE assessed (
155
assessedid SERIAL PRIMARY KEY NOT NULL,
156
loginid INT4 REFERENCES login (loginid),
157
groupid INT4 REFERENCES project_group (groupid),
158
projectid INT4 REFERENCES project (projectid) NOT NULL,
159
-- exactly one of loginid and groupid must be non-null
160
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
161
OR (loginid IS NULL AND groupid IS NOT NULL))
50
loginid INT4 PRIMARY KEY REFERENCES users (loginid),
54
CREATE TABLE projects (
55
projectid SERIAL PRIMARY KEY NOT NULL,
58
offeringid INT4 REFERENCES offerings (offeringid) NOT NULL,
164
62
CREATE TABLE project_extension (
165
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
64
projectid INT4 REFERENCES projects (projectid) NOT NULL,
166
65
deadline TIMESTAMP NOT NULL,
167
approver INT4 REFERENCES login (loginid) NOT NULL,
66
approver INT4 REFERENCES users (loginid) NOT NULL,
171
CREATE TABLE project_submission (
172
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
173
path VARCHAR NOT NULL,
174
revision INT4 NOT NULL
177
70
CREATE TABLE project_mark (
178
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
72
projectid INT4 REFERENCES projects (projectid) NOT NULL,
180
marker INT4 REFERENCES login (loginid) NOT NULL,
74
marker INT4 REFERENCES users (loginid) NOT NULL,
79
PRIMARY KEY (loginid/groupid, projectid, componentid)
187
82
CREATE TABLE problem (
188
identifier TEXT PRIMARY KEY,
197
CREATE TABLE worksheet (
198
worksheetid SERIAL PRIMARY KEY,
199
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
200
identifier VARCHAR NOT NULL,
203
UNIQUE (offeringid, identifier)
206
CREATE TABLE worksheet_problem (
207
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
208
problemid TEXT REFERENCES problem (identifier) NOT NULL,
210
PRIMARY KEY (worksheetid, problemid)
83
problemid SERIAL PRIMARY KEY NOT NULL,
87
CREATE TABLE problem_tags (
88
problemid INT4 REFERENCES tutorial_problem (problemid),
90
added_by INT4 REFERENCES users (loginid) NOT NULL,
91
when TIMESTAMP NOT NULL,
92
PRIMARY KEY (problemid,added_by,tag)
95
CREATE TABLE problem_test_case (
96
problemid INT4 REFERENCES problem (problemid) NOT NULL,
97
testcaseid SERIAL UNIQUE NOT NULL,
100
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
103
CREATE TABLE problem_test_case_tags (
104
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
105
tag VARCHAR NOT NULL,
107
added_by INT4 REFERENCES users (loginid) NOT NULL,
108
when TIMESTAMP NOT NULL,
109
PRIMARY KEY (testcaseid,added_by,tag)
213
112
CREATE TABLE problem_attempt (
214
problemid TEXT REFERENCES problem (identifier) NOT NULL,
215
loginid INT4 REFERENCES login (loginid) NOT NULL,
216
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
217
date TIMESTAMP NOT NULL,
113
problemid INT4 REFERENCES problem (problemid) NOT NULL,
114
loginid INT4 REFERENCES users (loginid) NOT NULL,
115
when TIMESTAMP NOT NULL,
218
116
attempt VARCHAR NOT NULL,
219
117
complete BOOLEAN NOT NULL,
220
active BOOLEAN NOT NULL DEFAULT true,
221
PRIMARY KEY (problemid,loginid,worksheetid,date)
224
CREATE TABLE problem_save (
225
problemid TEXT REFERENCES problem (identifier) NOT NULL,
226
loginid INT4 REFERENCES login (loginid) NOT NULL,
227
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
228
date TIMESTAMP NOT NULL,
230
PRIMARY KEY (problemid,loginid, worksheetid)
233
CREATE TABLE test_suite (
234
suiteid SERIAL PRIMARY KEY,
235
problemid TEXT REFERENCES problem (identifier) NOT NULL,
242
CREATE TABLE test_case (
243
testid SERIAL PRIMARY KEY,
244
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
251
CREATE TABLE suite_variables (
252
varid SERIAL PRIMARY KEY,
253
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
256
var_type TEXT NOT NULL,
260
CREATE TABLE test_case_parts (
261
partid SERIAL PRIMARY KEY,
262
testid INT4 REFERENCES test_case (testid) NOT NULL,
263
part_type TEXT NOT NULL,
118
PRIMARY KEY (problemid,loginid,when)
121
CREATE INDEX indexname ON problem_attempt (problemid, login);
123
CREATE TABLE problem_attempt_breakdown (
124
problemid INT4 REFERENCES problem (problemid) NOT NULL,
125
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
126
loginid INT4 REFERENCES users (loginid) NOT NULL,
127
when TIMESTAMP NOT NULL,
131
CREATE TABLE problem_prerequisites (
132
parent INT4 REFERENCES problem (problemid) NOT NULL,
133
child INT4 REFERENCES problem (problemid) NOT NULL,
134
PRIMARY KEY (parent,child)