1
DROP TABLE users CASCADE;
2
3
login VARCHAR UNIQUE NOT NULL,
3
4
loginid SERIAL PRIMARY KEY NOT NULL,
4
unixid INT UNIQUE NOT NULL, -- unix user id
9
7
studentid VARCHAR -- may be null
12
CREATE TABLE offering (
10
DROP TABLE offerings CASCADE;
11
CREATE TABLE offerings (
13
12
offeringid SERIAL PRIMARY KEY NOT NULL,
14
13
subj_name VARCHAR NOT NULL,
15
14
subj_code VARCHAR NOT NULL,
16
15
year CHAR(4) NOT NULL,
17
semester CHAR(1) NOT NULL,
21
CREATE TABLE project (
22
projectid SERIAL PRIMARY KEY NOT NULL,
25
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
29
CREATE TABLE project_group (
30
groupnm VARCHAR NOT NULL,
19
DROP TABLE groups CASCADE;
21
groupnm VARCHAR NOT NULL,
31
22
groupid SERIAL PRIMARY KEY NOT NULL,
32
offeringid INT4 REFERENCES offering (offeringid),
23
offeringid INT4 REFERENCES offerings (offeringid),
34
createdby INT4 REFERENCES login (loginid) NOT NULL,
35
epoch TIMESTAMP NOT NULL,
36
25
UNIQUE (offeringid, groupnm)
39
CREATE TABLE group_invitation (
40
loginid INT4 REFERENCES login (loginid) NOT NULL,
41
groupid INT4 REFERENCES project_group (groupid) NOT NULL,
42
inviter INT4 REFERENCES login (loginid) NOT NULL,
43
invited TIMESTAMP NOT NULL,
28
DROP TABLE group_invitations CASCADE;
29
CREATE TABLE group_invitations (
30
loginid INT4 REFERENCES users (loginid),
31
groupid INT4 REFERENCES groups (groupid),
45
32
UNIQUE (loginid,groupid)
48
CREATE TABLE group_member (
49
loginid INT4 REFERENCES login (loginid),
50
groupid INT4 REFERENCES project_group (groupid),
51
projectid INT4 REFERENCES project (projectid),
35
DROP TABLE group_members CASCADE;
36
CREATE TABLE group_members (
37
loginid INT4 REFERENCES users (loginid),
38
groupid INT4 REFERENCES groups (groupid),
39
projectid INT4 REFERENCES projects (projectid),
52
40
UNIQUE (loginid,projectid),
53
41
PRIMARY KEY (loginid,groupid)
44
DROP TABLE enrolment CASCADE;
56
45
CREATE TABLE enrolment (
57
loginid INT4 REFERENCES login (loginid),
58
offeringid INT4 REFERENCES offering (offeringid),
46
loginid INT4 REFERENCES users (loginid),
47
offeringid INT4 REFERENCES offerings (offeringid),
60
special_result VARCHAR,
62
special_supp_result VARCHAR,
64
51
PRIMARY KEY (loginid,offeringid)
67
CREATE TABLE assessed (
68
assessedid SERIAL PRIMARY KEY NOT NULL,
69
loginid INT4 REFERENCES login (loginid),
70
groupid INT4 REFERENCES project_group (groupid),
71
-- exactly one of loginid and groupid must be non-null
72
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
73
OR (loginid IS NULL AND groupid IS NOT NULL))
54
DROP TABLE roles CASCADE;
56
loginid INT4 PRIMARY KEY REFERENCES users (loginid),
60
DROP TABLE projects CASCADE;
61
CREATE TABLE projects (
62
projectid SERIAL PRIMARY KEY NOT NULL,
65
offeringid INT4 REFERENCES offerings (offeringid) NOT NULL,
69
DROP TABLE project_extension CASCADE;
76
70
CREATE TABLE project_extension (
77
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
78
projectid INT4 REFERENCES project (projectid) NOT NULL,
71
loginid INT4 REFERENCES users (loginid),
72
groupid INT4 REFERENCES groups (groupid),
73
projectid INT4 REFERENCES projects (projectid) NOT NULL,
79
74
deadline TIMESTAMP NOT NULL,
80
approver INT4 REFERENCES login (loginid) NOT NULL,
75
approver INT4 REFERENCES users (loginid) NOT NULL,
77
-- exactly one of loginid and groupid must be non-null
78
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
79
OR (loginid IS NULL AND groupid IS NOT NULL))
82
DROP TABLE project_mark CASCADE;
84
83
CREATE TABLE project_mark (
85
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
86
projectid INT4 REFERENCES project (projectid) NOT NULL,
84
loginid INT4 REFERENCES users (loginid),
85
groupid INT4 REFERENCES groups (groupid),
86
projectid INT4 REFERENCES projects (projectid) NOT NULL,
88
marker INT4 REFERENCES login (loginid) NOT NULL,
88
marker INT4 REFERENCES users (loginid) NOT NULL,
93
-- exactly one of loginid and groupid must be non-null
94
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
95
OR (loginid IS NULL AND groupid IS NOT NULL))
98
DROP TABLE problem CASCADE;
95
99
CREATE TABLE problem (
96
100
problemid SERIAL PRIMARY KEY NOT NULL,
100
CREATE TABLE problem_tag (
101
problemid INT4 REFERENCES problem (problemid),
104
DROP TABLE problem_tags CASCADE;
105
CREATE TABLE problem_tags (
106
problemid INT4 REFERENCES tutorial_problem (problemid),
102
107
tag VARCHAR NOT NULL,
104
standard BOOLEAN NOT NULL,
105
added_by INT4 REFERENCES login (loginid) NOT NULL,
108
added_by INT4 REFERENCES users (loginid) NOT NULL,
106
109
date TIMESTAMP NOT NULL,
107
110
PRIMARY KEY (problemid,added_by,tag)
113
DROP TABLE problem_test_case CASCADE;
110
114
CREATE TABLE problem_test_case (
111
115
problemid INT4 REFERENCES problem (problemid) NOT NULL,
112
116
testcaseid SERIAL UNIQUE NOT NULL,
115
119
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
118
CREATE TABLE problem_test_case_tag (
122
DROP TABLE problem_test_case_tags CASCADE;
123
CREATE TABLE problem_test_case_tags (
119
124
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
120
125
tag VARCHAR NOT NULL,
121
126
description VARCHAR,
122
standard BOOLEAN NOT NULL,
123
added_by INT4 REFERENCES login (loginid) NOT NULL,
127
added_by INT4 REFERENCES users (loginid) NOT NULL,
124
128
date TIMESTAMP NOT NULL,
125
129
PRIMARY KEY (testcaseid,added_by,tag)
132
DROP TABLE problem_attempt CASCADE;
128
133
CREATE TABLE problem_attempt (
129
134
problemid INT4 REFERENCES problem (problemid) NOT NULL,
130
loginid INT4 REFERENCES login (loginid) NOT NULL,
135
loginid INT4 REFERENCES users (loginid) NOT NULL,
131
136
date TIMESTAMP NOT NULL,
132
137
attempt VARCHAR NOT NULL,
133
138
complete BOOLEAN NOT NULL,
134
139
PRIMARY KEY (problemid,loginid,date)
142
DROP INDEX problem_attempt_index;
137
143
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
145
DROP TABLE problem_attempt_breakdown CASCADE;
139
146
CREATE TABLE problem_attempt_breakdown (
140
147
problemid INT4 REFERENCES problem (problemid) NOT NULL,
141
148
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
142
loginid INT4 REFERENCES login (loginid) NOT NULL,
149
loginid INT4 REFERENCES users (loginid) NOT NULL,
143
150
date TIMESTAMP NOT NULL,
147
CREATE TABLE problem_prerequisite (
154
DROP TABLE problem_prerequisites CASCADE;
155
CREATE TABLE problem_prerequisites (
148
156
parent INT4 REFERENCES problem (problemid) NOT NULL,
149
157
child INT4 REFERENCES problem (problemid) NOT NULL,
150
158
PRIMARY KEY (parent,child)