193
193
CREATE TABLE problem (
194
problemid SERIAL PRIMARY KEY NOT NULL,
195
identifier VARCHAR UNIQUE NOT NULL,
194
identifier TEXT PRIMARY KEY,
199
203
CREATE TABLE worksheet (
200
worksheetid SERIAL PRIMARY KEY NOT NULL,
201
subject VARCHAR NOT NULL,
204
worksheetid SERIAL PRIMARY KEY,
205
offeringid INT4 REFERENCES offering (offeringid) NOT NULL,
202
206
identifier VARCHAR NOT NULL,
203
207
assessable BOOLEAN,
205
UNIQUE (subject, identifier)
209
UNIQUE (offeringid, identifier)
208
212
CREATE TABLE worksheet_problem (
209
213
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
210
problemid INT4 REFERENCES problem (problemid) NOT NULL,
214
problemid TEXT REFERENCES problem (identifier) NOT NULL,
211
215
optional BOOLEAN,
212
216
PRIMARY KEY (worksheetid, problemid)
215
CREATE TABLE problem_tag (
216
problemid INT4 REFERENCES problem (problemid),
217
tag VARCHAR NOT NULL,
219
standard BOOLEAN NOT NULL,
220
added_by INT4 REFERENCES login (loginid) NOT NULL,
221
date TIMESTAMP NOT NULL,
222
PRIMARY KEY (problemid,added_by,tag)
225
CREATE TABLE problem_test_case (
226
problemid INT4 REFERENCES problem (problemid) NOT NULL,
227
testcaseid SERIAL UNIQUE NOT NULL,
230
visibility VARCHAR CHECK (visibility in ('public', 'protected', 'private'))
233
CREATE TABLE problem_test_case_tag (
234
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
235
tag VARCHAR NOT NULL,
237
standard BOOLEAN NOT NULL,
238
added_by INT4 REFERENCES login (loginid) NOT NULL,
239
date TIMESTAMP NOT NULL,
240
PRIMARY KEY (testcaseid,added_by,tag)
243
219
CREATE TABLE problem_attempt (
244
problemid INT4 REFERENCES problem (problemid) NOT NULL,
220
problemid TEXT REFERENCES problem (identifier) NOT NULL,
245
221
loginid INT4 REFERENCES login (loginid) NOT NULL,
222
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
246
223
date TIMESTAMP NOT NULL,
247
224
attempt VARCHAR NOT NULL,
248
225
complete BOOLEAN NOT NULL,
249
226
active BOOLEAN NOT NULL DEFAULT true,
250
PRIMARY KEY (problemid,loginid,date)
227
PRIMARY KEY (problemid,loginid,worksheetid,date)
253
230
CREATE TABLE problem_save (
254
problemid INT4 REFERENCES problem (problemid) NOT NULL,
255
loginid INT4 REFERENCES login (loginid) NOT NULL,
256
date TIMESTAMP NOT NULL,
257
text VARCHAR NOT NULL,
258
PRIMARY KEY (problemid,loginid)
261
CREATE INDEX problem_attempt_index ON problem_attempt (problemid, loginid);
263
CREATE TABLE problem_attempt_breakdown (
264
problemid INT4 REFERENCES problem (problemid) NOT NULL,
265
testcaseid INT4 REFERENCES problem_test_case (testcaseid) NOT NULL,
266
loginid INT4 REFERENCES login (loginid) NOT NULL,
267
date TIMESTAMP NOT NULL,
271
CREATE TABLE problem_prerequisite (
272
parent INT4 REFERENCES problem (problemid) NOT NULL,
273
child INT4 REFERENCES problem (problemid) NOT NULL,
274
PRIMARY KEY (parent,child)
231
problemid TEXT REFERENCES problem (identifier) NOT NULL,
232
loginid INT4 REFERENCES login (loginid) NOT NULL,
233
worksheetid INT4 REFERENCES worksheet (worksheetid) NOT NULL,
234
date TIMESTAMP NOT NULL,
236
PRIMARY KEY (problemid,loginid, worksheetid)
239
CREATE TABLE test_suite (
240
suiteid SERIAL PRIMARY KEY,
241
problemid TEXT REFERENCES problem (identifier) NOT NULL,
248
CREATE TABLE test_case (
249
testid SERIAL PRIMARY KEY,
250
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
257
CREATE TABLE suite_variables (
258
varid SERIAL PRIMARY KEY,
259
suiteid INT4 REFERENCES test_suite (suiteid) NOT NULL,
262
var_type TEXT NOT NULL,
266
CREATE TABLE test_case_parts (
267
partid SERIAL PRIMARY KEY,
268
testid INT4 REFERENCES test_case (testid) NOT NULL,
269
part_type TEXT NOT NULL,