2
CREATE SEQUENCE login_unixid_seq MINVALUE 1000 MAXVALUE 29999 START WITH 5000;
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loginid SERIAL PRIMARY KEY NOT NULL,
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login VARCHAR UNIQUE NOT NULL,
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loginid SERIAL PRIMARY KEY NOT NULL,
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unixid INT UNIQUE NOT NULL, -- unix user id
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studentid VARCHAR -- may be 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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admin BOOLEAN NOT NULL DEFAULT false,
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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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state TEXT NOT NULL CHECK (state IN ('disabled', 'past',
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'current', 'future')) DEFAULT 'current',
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UNIQUE (year, semester)
12
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CREATE TABLE offering (
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offeringid SERIAL PRIMARY KEY NOT NULL,
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subj_name VARCHAR NOT NULL,
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subj_code VARCHAR NOT NULL,
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year CHAR(4) NOT NULL,
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semester CHAR(1) 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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-- Projects and groups
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-- -------------------
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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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offeringid INT4 REFERENCES offering (offeringid) 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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groupid SERIAL PRIMARY KEY NOT NULL,
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offeringid INT4 REFERENCES offering (offeringid),
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projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
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createdby INT4 REFERENCES login (loginid) NOT NULL,
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epoch TIMESTAMP NOT NULL,
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UNIQUE (offeringid, groupnm)
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UNIQUE (projectsetid, groupnm)
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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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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 (
40
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loginid INT4 REFERENCES login (loginid) NOT NULL,
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100
groupid INT4 REFERENCES project_group (groupid) NOT NULL,
48
107
CREATE TABLE group_member (
49
108
loginid INT4 REFERENCES login (loginid),
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109
groupid INT4 REFERENCES project_group (groupid),
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projectid INT4 REFERENCES project (projectid),
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UNIQUE (loginid,projectid),
53
110
PRIMARY KEY (loginid,groupid)
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113
CREATE TABLE enrolment (
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114
loginid INT4 REFERENCES login (loginid),
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115
offeringid INT4 REFERENCES offering (offeringid),
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role TEXT NOT NULL CHECK (role IN ('student', 'tutor',
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'lecturer')) DEFAULT 'student',
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119
special_result VARCHAR,
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121
special_supp_result VARCHAR,
123
active BOOL NOT NULL DEFAULT true,
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124
PRIMARY KEY (loginid,offeringid)
76
137
CREATE TABLE project_extension (
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138
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
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projectid INT4 REFERENCES project (projectid) NOT NULL,
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139
deadline TIMESTAMP NOT NULL,
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140
approver INT4 REFERENCES login (loginid) NOT NULL,
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CREATE TABLE project_submission (
145
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
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path VARCHAR NOT NULL,
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revision INT4 NOT NULL
84
150
CREATE TABLE project_mark (
85
151
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
86
projectid INT4 REFERENCES project (projectid) NOT NULL,
88
153
marker INT4 REFERENCES login (loginid) NOT NULL,
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CREATE TABLE problem (
96
problemid SERIAL PRIMARY KEY NOT NULL,
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CREATE TABLE problem_tag (
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problemid INT4 REFERENCES problem (problemid),
102
tag VARCHAR NOT NULL,
104
standard BOOLEAN NOT NULL,
105
added_by INT4 REFERENCES login (loginid) NOT NULL,
106
date TIMESTAMP NOT NULL,
107
PRIMARY KEY (problemid,added_by,tag)
110
CREATE TABLE problem_test_case (
111
problemid INT4 REFERENCES problem (problemid) NOT NULL,
112
testcaseid SERIAL UNIQUE NOT NULL,
115
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
118
CREATE TABLE problem_test_case_tag (
119
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
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 (testcaseid,added_by,tag)
128
CREATE TABLE problem_attempt (
129
problemid INT4 REFERENCES problem (problemid) NOT NULL,
162
CREATE TABLE exercise (
163
identifier TEXT PRIMARY KEY,
172
CREATE TABLE worksheet (
173
worksheetid SERIAL PRIMARY KEY,
174
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
175
identifier TEXT NOT NULL,
178
assessable BOOLEAN NOT NULL,
179
seq_no INT4 NOT NULL,
180
format TEXT NOT NUll,
181
UNIQUE (offeringid, identifier)
184
CREATE TABLE worksheet_exercise (
185
ws_ex_id SERIAL PRIMARY KEY,
186
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
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exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
188
seq_no INT4 NOT NULL,
189
active BOOLEAN NOT NULL DEFAULT true,
190
optional BOOLEAN NOT NULL,
191
UNIQUE (worksheetid, exerciseid)
194
CREATE TABLE exercise_attempt (
130
195
loginid INT4 REFERENCES login (loginid) NOT NULL,
196
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
131
197
date TIMESTAMP NOT NULL,
132
attempt VARCHAR NOT NULL,
198
attempt TEXT NOT NULL,
133
199
complete BOOLEAN NOT NULL,
134
PRIMARY KEY (problemid,loginid,date)
200
active BOOLEAN NOT NULL DEFAULT true,
201
PRIMARY KEY (loginid, ws_ex_id, date)
137
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
139
CREATE TABLE problem_attempt_breakdown (
140
problemid INT4 REFERENCES problem (problemid) NOT NULL,
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testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
204
CREATE TABLE exercise_save (
142
205
loginid INT4 REFERENCES login (loginid) NOT NULL,
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ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
143
207
date TIMESTAMP NOT NULL,
147
CREATE TABLE problem_prerequisite (
148
parent INT4 REFERENCES problem (problemid) NOT NULL,
149
child INT4 REFERENCES problem (problemid) NOT NULL,
150
PRIMARY KEY (parent,child)
209
PRIMARY KEY (loginid, ws_ex_id)
212
CREATE TABLE test_suite (
213
suiteid SERIAL PRIMARY KEY,
214
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
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CREATE TABLE test_case (
222
testid SERIAL PRIMARY KEY,
223
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
230
CREATE TABLE suite_variable (
231
varid SERIAL PRIMARY KEY,
232
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
235
var_type TEXT NOT NULL,
239
CREATE TABLE test_case_part (
240
partid SERIAL PRIMARY KEY,
241
testid INT4 REFERENCES test_case (testid) NOT NULL,
242
part_type TEXT NOT NULL,