1
DROP TABLE users CASCADE;
2
CREATE SEQUENCE login_unixid_seq MINVALUE 1000 MAXVALUE 29999 START WITH 5000;
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loginid SERIAL PRIMARY KEY NOT NULL,
3
6
login VARCHAR UNIQUE NOT NULL,
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loginid SERIAL PRIMARY KEY NOT NULL,
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studentid VARCHAR -- may be null
10
DROP TABLE offerings CASCADE;
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CREATE TABLE offerings (
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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)
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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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DROP TABLE groups CASCADE;
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groupnm VARCHAR 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
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CREATE TABLE project (
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projectid SERIAL PRIMARY KEY NOT NULL,
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short_name TEXT NOT NULL,
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projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
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deadline TIMESTAMP NOT NULL
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CREATE OR REPLACE FUNCTION check_project_namespacing_insertupdate()
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IF TG_OP = ''UPDATE'' THEN
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IF NEW.projectsetid = OLD.projectsetid AND NEW.short_name = OLD.short_name THEN
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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, project_set
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WHERE project_set.offeringid = oid AND
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project.projectsetid = project_set.projectsetid AND
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project.short_name = NEW.short_name;
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RAISE EXCEPTION ''a project named % already exists in offering ID %'', NEW.short_name, oid;
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CREATE TRIGGER check_project_namespacing
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BEFORE INSERT OR UPDATE ON project
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FOR EACH ROW EXECUTE PROCEDURE check_project_namespacing_insertupdate();
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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 offerings (offeringid),
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projectsetid INTEGER REFERENCES project_set (projectsetid) NOT NULL,
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UNIQUE (offeringid, groupnm)
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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)
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DROP TABLE group_invitations CASCADE;
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CREATE TABLE group_invitations (
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loginid INT4 REFERENCES users (loginid),
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groupid INT4 REFERENCES groups (groupid),
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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,
32
132
UNIQUE (loginid,groupid)
35
DROP TABLE group_members CASCADE;
36
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),
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UNIQUE (loginid,projectid),
135
CREATE TABLE group_member (
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loginid INT4 REFERENCES login (loginid),
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groupid INT4 REFERENCES project_group (groupid),
41
138
PRIMARY KEY (loginid,groupid)
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DROP TABLE enrolment CASCADE;
45
141
CREATE TABLE enrolment (
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loginid INT4 REFERENCES users (loginid),
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offeringid INT4 REFERENCES offerings (offeringid),
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loginid INT4 REFERENCES login (loginid),
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offeringid INT4 REFERENCES offering (offeringid),
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role TEXT NOT NULL CHECK (role IN ('student', 'tutor',
145
'lecturer')) DEFAULT 'student',
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special_result VARCHAR,
149
special_supp_result VARCHAR,
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active BOOL NOT NULL DEFAULT true,
51
152
PRIMARY KEY (loginid,offeringid)
54
DROP TABLE roles CASCADE;
56
loginid INT4 PRIMARY KEY REFERENCES users (loginid),
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DROP TABLE projects CASCADE;
61
CREATE TABLE projects (
62
projectid SERIAL PRIMARY KEY NOT NULL,
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offeringid INT4 REFERENCES offerings (offeringid) NOT NULL,
69
DROP TABLE project_extension CASCADE;
155
CREATE TABLE assessed (
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assessedid SERIAL PRIMARY KEY NOT NULL,
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loginid INT4 REFERENCES login (loginid),
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groupid INT4 REFERENCES project_group (groupid),
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projectid INT4 REFERENCES project (projectid) NOT NULL,
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-- exactly one of loginid and groupid must be non-null
161
CHECK ((loginid IS NOT NULL AND groupid IS NULL)
162
OR (loginid IS NULL AND groupid IS NOT NULL))
70
165
CREATE TABLE project_extension (
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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) NOT NULL,
166
extensionid SERIAL PRIMARY KEY,
167
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
74
168
deadline TIMESTAMP NOT NULL,
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approver INT4 REFERENCES users (loginid) NOT NULL,
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-- 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;
169
approver INT4 REFERENCES login (loginid) NOT NULL,
173
CREATE TABLE project_submission (
174
submissionid SERIAL PRIMARY KEY,
175
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
176
path VARCHAR NOT NULL,
177
revision INT4 NOT NULL,
178
date_submitted TIMESTAMP NOT NULL,
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submitter INT4 REFERENCES login (loginid) NOT NULL
83
182
CREATE TABLE project_mark (
84
loginid INT4 REFERENCES users (loginid),
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groupid INT4 REFERENCES groups (groupid),
86
projectid INT4 REFERENCES projects (projectid) NOT NULL,
183
assessedid INT4 REFERENCES assessed (assessedid) NOT NULL,
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marker INT4 REFERENCES users (loginid) NOT NULL,
185
marker INT4 REFERENCES login (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;
99
CREATE TABLE problem (
100
problemid SERIAL PRIMARY KEY NOT NULL,
104
DROP TABLE problem_tags CASCADE;
105
CREATE TABLE problem_tags (
106
problemid INT4 REFERENCES tutorial_problem (problemid),
107
tag VARCHAR NOT NULL,
108
added_by INT4 REFERENCES users (loginid) NOT NULL,
109
date TIMESTAMP NOT NULL,
110
PRIMARY KEY (problemid,added_by,tag)
113
DROP TABLE problem_test_case CASCADE;
114
CREATE TABLE problem_test_case (
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problemid INT4 REFERENCES problem (problemid) NOT NULL,
116
testcaseid SERIAL UNIQUE NOT NULL,
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visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
122
DROP TABLE problem_test_case_tags CASCADE;
123
CREATE TABLE problem_test_case_tags (
124
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
125
tag VARCHAR NOT NULL,
127
added_by INT4 REFERENCES users (loginid) NOT NULL,
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date TIMESTAMP NOT NULL,
129
PRIMARY KEY (testcaseid,added_by,tag)
132
DROP TABLE problem_attempt CASCADE;
133
CREATE TABLE problem_attempt (
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problemid INT4 REFERENCES problem (problemid) NOT NULL,
135
loginid INT4 REFERENCES users (loginid) NOT NULL,
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date TIMESTAMP NOT NULL,
137
attempt VARCHAR NOT NULL,
194
CREATE TABLE exercise (
195
identifier TEXT PRIMARY KEY,
204
CREATE TABLE worksheet (
205
worksheetid SERIAL PRIMARY KEY,
206
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
207
identifier TEXT NOT NULL,
210
assessable BOOLEAN NOT NULL,
211
seq_no INT4 NOT NULL,
212
format TEXT NOT NUll,
213
UNIQUE (offeringid, identifier)
216
CREATE TABLE worksheet_exercise (
217
ws_ex_id SERIAL PRIMARY KEY,
218
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)
226
CREATE TABLE exercise_attempt (
227
loginid INT4 REFERENCES login (loginid) NOT NULL,
228
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
229
date TIMESTAMP NOT NULL,
230
attempt TEXT NOT NULL,
138
231
complete BOOLEAN NOT NULL,
139
PRIMARY KEY (problemid,loginid,date)
232
active BOOLEAN NOT NULL DEFAULT true,
233
PRIMARY KEY (loginid, ws_ex_id, date)
142
DROP INDEX problem_attempt_index;
143
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
145
DROP TABLE problem_attempt_breakdown CASCADE;
146
CREATE TABLE problem_attempt_breakdown (
147
problemid INT4 REFERENCES problem (problemid) NOT NULL,
148
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
149
loginid INT4 REFERENCES users (loginid) NOT NULL,
236
CREATE TABLE exercise_save (
237
loginid INT4 REFERENCES login (loginid) NOT NULL,
238
ws_ex_id INT4 REFERENCES worksheet_exercise (ws_ex_id) NOT NULL,
150
239
date TIMESTAMP NOT NULL,
154
DROP TABLE problem_prerequisites CASCADE;
155
CREATE TABLE problem_prerequisites (
156
parent INT4 REFERENCES problem (problemid) NOT NULL,
157
child INT4 REFERENCES problem (problemid) NOT NULL,
158
PRIMARY KEY (parent,child)
241
PRIMARY KEY (loginid, ws_ex_id)
244
CREATE TABLE test_suite (
245
suiteid SERIAL PRIMARY KEY,
246
exerciseid TEXT REFERENCES exercise (identifier) NOT NULL,
253
CREATE TABLE test_case (
254
testid SERIAL PRIMARY KEY,
255
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
262
CREATE TABLE suite_variable (
263
varid SERIAL PRIMARY KEY,
264
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
267
var_type TEXT NOT NULL,
271
CREATE TABLE test_case_part (
272
partid SERIAL PRIMARY KEY,
273
testid INT4 REFERENCES test_case (testid) NOT NULL,
274
part_type TEXT NOT NULL,