2
loginid SERIAL PRIMARY KEY NOT NULL,
3
login VARCHAR UNIQUE NOT NULL,
5
state VARCHAR NOT NULL CHECK (state in ('no_agreement', 'pending',
6
'enabled', 'disabled')),
7
rolenm VARCHAR NOT NULL CHECK (rolenm in ('anyone', 'student',
10
unixid INT UNIQUE NOT NULL, -- unix user id
11
nick VARCHAR NOT NULL,
17
fullname VARCHAR NOT NULL,
18
studentid VARCHAR, -- may be null
22
CREATE TABLE offering (
23
offeringid SERIAL PRIMARY KEY NOT NULL,
24
subj_name VARCHAR NOT NULL,
25
subj_code VARCHAR NOT NULL,
26
year CHAR(4) NOT NULL,
27
semester CHAR(1) NOT NULL,
1
-- We need a users database to do authorization, manage groups, &c
6
DROP TABLE group_members;
11
login varchar(80) PRIMARY KEY, -- login id
14
studentid varchar(80) or NULL ****
18
groupid varchar(18) PRIMARY KEY, -- group name Y^4-S^9-G^3 **** use offering-id + group number (compound key)
19
nick varchar(80), -- group nickname
20
subject varchar(9), -- subject code **** use "offerings" table from CASMAS
21
year varchar(4) -- when
24
CREATE TABLE group_members (
25
login varchar(80) REFERENCES users (login),
26
groupid varchar(18) REFERENCES groups (groupid)
29
CREATE TABLE enrolment (
30
login varchar(80) REFERENCES users (login),
38
login varchar(80) REFERENCES users (login),
31
42
CREATE TABLE project (
32
projectid SERIAL PRIMARY KEY NOT NULL,
35
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
39
CREATE TABLE project_group (
40
groupnm VARCHAR NOT NULL,
41
groupid SERIAL PRIMARY KEY NOT NULL,
42
offeringid INT4 REFERENCES offering (offeringid),
44
createdby INT4 REFERENCES login (loginid) NOT NULL,
45
epoch TIMESTAMP NOT NULL,
46
UNIQUE (offeringid, groupnm)
49
CREATE TABLE group_invitation (
50
loginid INT4 REFERENCES login (loginid) NOT NULL,
51
groupid INT4 REFERENCES project_group (groupid) NOT NULL,
52
inviter INT4 REFERENCES login (loginid) NOT NULL,
53
invited TIMESTAMP NOT NULL,
55
UNIQUE (loginid,groupid)
58
CREATE TABLE group_member (
59
loginid INT4 REFERENCES login (loginid),
60
groupid INT4 REFERENCES project_group (groupid),
61
projectid INT4 REFERENCES project (projectid),
62
UNIQUE (loginid,projectid),
63
PRIMARY KEY (loginid,groupid)
66
CREATE TABLE enrolment (
67
loginid INT4 REFERENCES login (loginid),
68
offeringid INT4 REFERENCES offering (offeringid),
70
special_result VARCHAR,
72
special_supp_result VARCHAR,
74
PRIMARY KEY (loginid,offeringid)
77
CREATE TABLE assessed (
78
assessedid SERIAL PRIMARY KEY NOT NULL,
79
loginid INT4 REFERENCES login (loginid),
80
groupid INT4 REFERENCES project_group (groupid),
81
-- exactly one of loginid and groupid must be non-null
82
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
83
OR (loginid IS NULL AND groupid IS NOT NULL))
86
CREATE TABLE project_extension (
87
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
88
projectid INT4 REFERENCES project (projectid) NOT NULL,
89
deadline TIMESTAMP NOT NULL,
90
approver INT4 REFERENCES login (loginid) NOT NULL,
94
CREATE TABLE project_mark (
95
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
96
projectid INT4 REFERENCES project (projectid) NOT NULL,
98
marker INT4 REFERENCES login (loginid) NOT NULL,
50
CREATE TABLE extension (
67
KEY: (login/groupid, projectid, componentid)
105
72
CREATE TABLE problem (
106
problemid SERIAL PRIMARY KEY NOT NULL,
110
CREATE TABLE problem_tag (
111
problemid INT4 REFERENCES problem (problemid),
112
tag VARCHAR NOT NULL,
114
standard BOOLEAN NOT NULL,
115
added_by INT4 REFERENCES login (loginid) NOT NULL,
116
date TIMESTAMP NOT NULL,
117
PRIMARY KEY (problemid,added_by,tag)
120
CREATE TABLE problem_test_case (
121
problemid INT4 REFERENCES problem (problemid) NOT NULL,
122
testcaseid SERIAL UNIQUE NOT NULL,
125
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
128
CREATE TABLE problem_test_case_tag (
129
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
130
tag VARCHAR NOT NULL,
132
standard BOOLEAN NOT NULL,
133
added_by INT4 REFERENCES login (loginid) NOT NULL,
134
date TIMESTAMP NOT NULL,
135
PRIMARY KEY (testcaseid,added_by,tag)
78
CREATE TABLE problem_tags (
138
85
CREATE TABLE problem_attempt (
139
problemid INT4 REFERENCES problem (problemid) NOT NULL,
140
loginid INT4 REFERENCES login (loginid) NOT NULL,
141
date TIMESTAMP NOT NULL,
142
attempt VARCHAR NOT NULL,
143
complete BOOLEAN NOT NULL,
144
PRIMARY KEY (problemid,loginid,date)
91
KEY: (problemid, login, datetime)
147
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
94
CREATE INDEX indexname ON problem_attempt (problemid, login);
149
96
CREATE TABLE problem_attempt_breakdown (
150
problemid INT4 REFERENCES problem (problemid) NOT NULL,
151
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
152
loginid INT4 REFERENCES login (loginid) NOT NULL,
153
date TIMESTAMP NOT NULL,
157
CREATE TABLE problem_prerequisite (
158
parent INT4 REFERENCES problem (problemid) NOT NULL,
159
child INT4 REFERENCES problem (problemid) NOT NULL,
160
PRIMARY KEY (parent,child)
101
result (boolean) **** doesnt tell academic which concepts students are struggling with
104
CREATE TABLE problem_test_case (
107
testcase (sourced from xml)
110
tags (xref to tag table; break out)
113
# concept, curriculum, difficulty
121
# for multipart problems
122
CREATE TABLE prerequisite_problem (
129
INSERT INTO users (login,nick) values ('conway', 'Tom');
130
INSERT INTO roles (login,role) values ('conway', 'student');
131
INSERT INTO users (login,nick) values ('apeel', 'Andrew');
132
INSERT INTO roles (login,role) values ('apeel', 'student');
133
INSERT INTO users (login,nick) values ('mgiuca', 'Matt');
134
INSERT INTO roles (login,role) values ('mgiuca', 'tutor');
135
INSERT INTO users (login,nick) values ('sb', 'Steven');
136
INSERT INTO roles (login,role) values ('sb', 'lecturer');
137
INSERT INTO users (login,nick) values ('mpp', 'Mike');
138
INSERT INTO roles (login,role) values ('mpp', 'student');
139
INSERT INTO users (login,nick) values ('ivo', 'Ivo');
140
INSERT INTO roles (login,role) values ('ivo', 'admin');
142
INSERT INTO groups (groupid, nick, subject, year) values ('2007-INFO10001-321', 'Purple Alert', 'INFO10001', '2008');
143
INSERT INTO groups (groupid, nick, subject, year) values ('2007-INFO10001-322', 'Blind Illuminati', 'INFO10001', '2008');
145
INSERT INTO group_members (login,groupid) values ('conway', '2007-INFO10001-321');
146
INSERT INTO group_members (login,groupid) values ('apeel', '2007-INFO10001-321');
147
INSERT INTO group_members (login,groupid) values ('mgiuca', '2007-INFO10001-321');
148
INSERT INTO group_members (login,groupid) values ('sb', '2007-INFO10001-321');
149
INSERT INTO group_members (login,groupid) values ('mpp', '2007-INFO10001-322');
150
INSERT INTO group_members (login,groupid) values ('ivo', '2007-INFO10001-322');
152
INSERT INTO enrolment (login,subject,year) values ('conway' , 'INFO10001', '2008');
153
INSERT INTO enrolment (login,subject,year) values ('apeel' , 'INFO10001', '2008');
154
INSERT INTO enrolment (login,subject,year) values ('mgiuca' , 'INFO10001', '2008');
155
INSERT INTO enrolment (login,subject,year) values ('sb' , 'INFO10001', '2008');
156
INSERT INTO enrolment (login,subject,year) values ('mpp' , 'INFO10001', '2008');
157
INSERT INTO enrolment (login,subject,year) values ('ivo' , 'INFO10001', '2008');