1: # 2008 June 26
2: #
3: # The author disclaims copyright to this source code. In place of
4: # a legal notice, here is a blessing:
5: #
6: # May you do good and not evil.
7: # May you find forgiveness for yourself and forgive others.
8: # May you share freely, never taking more than you give.
9: #
10: #*************************************************************************
11: # This file implements regression tests for SQLite library. The focus
12: # of this script is testing the FTS3 module's optimize() function.
13: #
14:
15: set testdir [file dirname $argv0]
16: source $testdir/tester.tcl
17: source $testdir/fts3_common.tcl
18:
19: # If SQLITE_ENABLE_FTS3 is not defined, omit this file.
20: ifcapable !fts3 {
21: finish_test
22: return
23: }
24:
25: #*************************************************************************
26: # Utility function to check for the expected terms in the segment
27: # level/index. _all version does same but for entire index.
28: proc check_terms {test level index terms} {
29: set where "level = $level AND idx = $index"
30: do_test $test.terms [list fts3_terms t1 $where] $terms
31: }
32: proc check_terms_all {test terms} {
33: do_test $test.terms [list fts3_terms t1 1] $terms
34: }
35:
36: # Utility function to check for the expected doclist for the term in
37: # segment level/index. _all version does same for entire index.
38: proc check_doclist {test level index term doclist} {
39: set where "level = $level AND idx = $index"
40: do_test $test.doclist [list fts3_doclist t1 $term $where] $doclist
41: }
42: proc check_doclist_all {test term doclist} {
43: do_test $test.doclist [list fts3_doclist t1 $term 1] $doclist
44: }
45:
46: #*************************************************************************
47: # Test results when all rows are deleted and one is added back.
48: # Previously older segments would continue to exist, but now the index
49: # should be dropped when the table is empty. The results should look
50: # exactly like we never added the earlier rows in the first place.
51: db eval {
52: DROP TABLE IF EXISTS t1;
53: CREATE VIRTUAL TABLE t1 USING fts3(c);
54: INSERT INTO t1 (docid, c) VALUES (1, 'This is a test');
55: INSERT INTO t1 (docid, c) VALUES (2, 'That was a test');
56: INSERT INTO t1 (docid, c) VALUES (3, 'This is a test');
57: DELETE FROM t1 WHERE 1=1; -- Delete each row rather than dropping table.
58: INSERT INTO t1 (docid, c) VALUES (1, 'This is a test');
59: }
60:
61: # Should be a single initial segment.
62: do_test fts3d-1.segments {
63: execsql {
64: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
65: }
66: } {0 0}
67: do_test fts3d-1.matches {
68: execsql {
69: SELECT OFFSETS(t1) FROM t1
70: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY docid;
71: }
72: } {{0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}}
73:
74: check_terms_all fts3d-1.1 {a is test this}
75: check_doclist_all fts3d-1.1.1 a {[1 0[2]]}
76: check_doclist_all fts3d-1.1.2 is {[1 0[1]]}
77: check_doclist_all fts3d-1.1.3 test {[1 0[3]]}
78: check_doclist_all fts3d-1.1.4 this {[1 0[0]]}
79:
80: check_terms fts3d-1.2 0 0 {a is test this}
81: check_doclist fts3d-1.2.1 0 0 a {[1 0[2]]}
82: check_doclist fts3d-1.2.2 0 0 is {[1 0[1]]}
83: check_doclist fts3d-1.2.3 0 0 test {[1 0[3]]}
84: check_doclist fts3d-1.2.4 0 0 this {[1 0[0]]}
85:
86: #*************************************************************************
87: # Test results when everything is optimized manually.
88: # NOTE(shess): This is a copy of fts3c-1.3. I've pulled a copy here
89: # because fts3d-2 and fts3d-3 should have identical results.
90: db eval {
91: DROP TABLE IF EXISTS t1;
92: CREATE VIRTUAL TABLE t1 USING fts3(c);
93: INSERT INTO t1 (docid, c) VALUES (1, 'This is a test');
94: INSERT INTO t1 (docid, c) VALUES (2, 'That was a test');
95: INSERT INTO t1 (docid, c) VALUES (3, 'This is a test');
96: DELETE FROM t1 WHERE docid IN (1,3);
97: DROP TABLE IF EXISTS t1old;
98: ALTER TABLE t1 RENAME TO t1old;
99: CREATE VIRTUAL TABLE t1 USING fts3(c);
100: INSERT INTO t1 (docid, c) SELECT docid, c FROM t1old;
101: DROP TABLE t1old;
102: }
103:
104: # Should be a single optimal segment with the same logical results.
105: do_test fts3d-2.segments {
106: execsql {
107: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
108: }
109: } {0 0}
110: do_test fts3d-2.matches {
111: execsql {
112: SELECT OFFSETS(t1) FROM t1
113: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY docid;
114: }
115: } {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}}
116:
117: check_terms_all fts3d-2.1 {a test that was}
118: check_doclist_all fts3d-2.1.1 a {[2 0[2]]}
119: check_doclist_all fts3d-2.1.2 test {[2 0[3]]}
120: check_doclist_all fts3d-2.1.3 that {[2 0[0]]}
121: check_doclist_all fts3d-2.1.4 was {[2 0[1]]}
122:
123: check_terms fts3d-2.2 0 0 {a test that was}
124: check_doclist fts3d-2.2.1 0 0 a {[2 0[2]]}
125: check_doclist fts3d-2.2.2 0 0 test {[2 0[3]]}
126: check_doclist fts3d-2.2.3 0 0 that {[2 0[0]]}
127: check_doclist fts3d-2.2.4 0 0 was {[2 0[1]]}
128:
129: #*************************************************************************
130: # Test results when everything is optimized via optimize().
131: db eval {
132: DROP TABLE IF EXISTS t1;
133: CREATE VIRTUAL TABLE t1 USING fts3(c);
134: INSERT INTO t1 (docid, c) VALUES (1, 'This is a test');
135: INSERT INTO t1 (docid, c) VALUES (2, 'That was a test');
136: INSERT INTO t1 (docid, c) VALUES (3, 'This is a test');
137: DELETE FROM t1 WHERE docid IN (1,3);
138: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
139: }
140:
141: # Should be a single optimal segment with the same logical results.
142: do_test fts3d-3.segments {
143: execsql {
144: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
145: }
146: } {0 0}
147: do_test fts3d-3.matches {
148: execsql {
149: SELECT OFFSETS(t1) FROM t1
150: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY docid;
151: }
152: } {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}}
153:
154: check_terms_all fts3d-3.1 {a test that was}
155: check_doclist_all fts3d-3.1.1 a {[2 0[2]]}
156: check_doclist_all fts3d-3.1.2 test {[2 0[3]]}
157: check_doclist_all fts3d-3.1.3 that {[2 0[0]]}
158: check_doclist_all fts3d-3.1.4 was {[2 0[1]]}
159:
160: check_terms fts3d-3.2 0 0 {a test that was}
161: check_doclist fts3d-3.2.1 0 0 a {[2 0[2]]}
162: check_doclist fts3d-3.2.2 0 0 test {[2 0[3]]}
163: check_doclist fts3d-3.2.3 0 0 that {[2 0[0]]}
164: check_doclist fts3d-3.2.4 0 0 was {[2 0[1]]}
165:
166: #*************************************************************************
167: # Test optimize() against a table involving segment merges.
168: # NOTE(shess): Since there's no transaction, each of the INSERT/UPDATE
169: # statements generates a segment.
170: db eval {
171: DROP TABLE IF EXISTS t1;
172: CREATE VIRTUAL TABLE t1 USING fts3(c);
173:
174: INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
175: INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
176: INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
177:
178: UPDATE t1 SET c = 'This is a test one' WHERE rowid = 1;
179: UPDATE t1 SET c = 'That was a test one' WHERE rowid = 2;
180: UPDATE t1 SET c = 'This is a test one' WHERE rowid = 3;
181:
182: UPDATE t1 SET c = 'This is a test two' WHERE rowid = 1;
183: UPDATE t1 SET c = 'That was a test two' WHERE rowid = 2;
184: UPDATE t1 SET c = 'This is a test two' WHERE rowid = 3;
185:
186: UPDATE t1 SET c = 'This is a test three' WHERE rowid = 1;
187: UPDATE t1 SET c = 'That was a test three' WHERE rowid = 2;
188: UPDATE t1 SET c = 'This is a test three' WHERE rowid = 3;
189:
190: UPDATE t1 SET c = 'This is a test four' WHERE rowid = 1;
191: UPDATE t1 SET c = 'That was a test four' WHERE rowid = 2;
192: UPDATE t1 SET c = 'This is a test four' WHERE rowid = 3;
193:
194: UPDATE t1 SET c = 'This is a test' WHERE rowid = 1;
195: UPDATE t1 SET c = 'That was a test' WHERE rowid = 2;
196: UPDATE t1 SET c = 'This is a test' WHERE rowid = 3;
197: }
198:
199: # 2 segments in level 0, 1 in level 1 (18 segments created, 16
200: # merged).
201: do_test fts3d-4.segments {
202: execsql {
203: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
204: }
205: } {0 0 0 1 1 0}
206:
207: do_test fts3d-4.matches {
208: execsql {
209: SELECT OFFSETS(t1) FROM t1
210: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY docid;
211: }
212: } [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \
213: {0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \
214: {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}]
215:
216: check_terms_all fts3d-4.1 {a four is one test that this three two was}
217: check_doclist_all fts3d-4.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]}
218: check_doclist_all fts3d-4.1.2 four {}
219: check_doclist_all fts3d-4.1.3 is {[1 0[1]] [3 0[1]]}
220: check_doclist_all fts3d-4.1.4 one {}
221: check_doclist_all fts3d-4.1.5 test {[1 0[3]] [2 0[3]] [3 0[3]]}
222: check_doclist_all fts3d-4.1.6 that {[2 0[0]]}
223: check_doclist_all fts3d-4.1.7 this {[1 0[0]] [3 0[0]]}
224: check_doclist_all fts3d-4.1.8 three {}
225: check_doclist_all fts3d-4.1.9 two {}
226: check_doclist_all fts3d-4.1.10 was {[2 0[1]]}
227:
228: check_terms fts3d-4.2 0 0 {a four test that was}
229: check_doclist fts3d-4.2.1 0 0 a {[2 0[2]]}
230: check_doclist fts3d-4.2.2 0 0 four {[2]}
231: check_doclist fts3d-4.2.3 0 0 test {[2 0[3]]}
232: check_doclist fts3d-4.2.4 0 0 that {[2 0[0]]}
233: check_doclist fts3d-4.2.5 0 0 was {[2 0[1]]}
234:
235: check_terms fts3d-4.3 0 1 {a four is test this}
236: check_doclist fts3d-4.3.1 0 1 a {[3 0[2]]}
237: check_doclist fts3d-4.3.2 0 1 four {[3]}
238: check_doclist fts3d-4.3.3 0 1 is {[3 0[1]]}
239: check_doclist fts3d-4.3.4 0 1 test {[3 0[3]]}
240: check_doclist fts3d-4.3.5 0 1 this {[3 0[0]]}
241:
242: check_terms fts3d-4.4 1 0 {a four is one test that this three two was}
243: check_doclist fts3d-4.4.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]}
244: check_doclist fts3d-4.4.2 1 0 four {[1] [2 0[4]] [3 0[4]]}
245: check_doclist fts3d-4.4.3 1 0 is {[1 0[1]] [3 0[1]]}
246: check_doclist fts3d-4.4.4 1 0 one {[1] [2] [3]}
247: check_doclist fts3d-4.4.5 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]}
248: check_doclist fts3d-4.4.6 1 0 that {[2 0[0]]}
249: check_doclist fts3d-4.4.7 1 0 this {[1 0[0]] [3 0[0]]}
250: check_doclist fts3d-4.4.8 1 0 three {[1] [2] [3]}
251: check_doclist fts3d-4.4.9 1 0 two {[1] [2] [3]}
252: check_doclist fts3d-4.4.10 1 0 was {[2 0[1]]}
253:
254: # Optimize should leave the result in the level of the highest-level
255: # prior segment.
256: breakpoint
257: do_test fts3d-4.5 {
258: execsql {
259: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
260: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
261: }
262: } {{Index optimized} 1 0}
263:
264: # Identical to fts3d-4.matches.
265: do_test fts3d-4.5.matches {
266: execsql {
267: SELECT OFFSETS(t1) FROM t1
268: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY docid;
269: }
270: } [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \
271: {0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \
272: {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}]
273:
274: check_terms_all fts3d-4.5.1 {a is test that this was}
275: check_doclist_all fts3d-4.5.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]}
276: check_doclist_all fts3d-4.5.1.2 is {[1 0[1]] [3 0[1]]}
277: check_doclist_all fts3d-4.5.1.3 test {[1 0[3]] [2 0[3]] [3 0[3]]}
278: check_doclist_all fts3d-4.5.1.4 that {[2 0[0]]}
279: check_doclist_all fts3d-4.5.1.5 this {[1 0[0]] [3 0[0]]}
280: check_doclist_all fts3d-4.5.1.6 was {[2 0[1]]}
281:
282: check_terms fts3d-4.5.2 1 0 {a is test that this was}
283: check_doclist fts3d-4.5.2.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]}
284: check_doclist fts3d-4.5.2.2 1 0 is {[1 0[1]] [3 0[1]]}
285: check_doclist fts3d-4.5.2.3 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]}
286: check_doclist fts3d-4.5.2.4 1 0 that {[2 0[0]]}
287: check_doclist fts3d-4.5.2.5 1 0 this {[1 0[0]] [3 0[0]]}
288: check_doclist fts3d-4.5.2.6 1 0 was {[2 0[1]]}
289:
290: # Re-optimizing does nothing.
291: do_test fts3d-5.0 {
292: execsql {
293: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
294: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
295: }
296: } {{Index already optimal} 1 0}
297:
298: # Even if we move things around, still does nothing.
299: do_test fts3d-5.1 {
300: execsql {
301: UPDATE t1_segdir SET level = 2 WHERE level = 1 AND idx = 0;
302: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
303: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
304: }
305: } {{Index already optimal} 2 0}
306:
307:
308: # ALTER TABLE RENAME should work regardless of the database encoding.
309: #
310: do_test fts3d-6.0 {
311: db close
312: forcedelete test.db
313: sqlite3 db test.db
314: db eval {
315: PRAGMA encoding=UTF8;
316: CREATE VIRTUAL TABLE fts USING fts3(a,b,c);
317: SELECT name FROM sqlite_master WHERE name GLOB '???_*' ORDER BY 1;
318: }
319: } {fts_content fts_segdir fts_segments}
320: do_test fts3d-6.1 {
321: db eval {
322: ALTER TABLE fts RENAME TO xyz;
323: SELECT name FROM sqlite_master WHERE name GLOB '???_*' ORDER BY 1;
324: }
325: } {xyz_content xyz_segdir xyz_segments}
326: do_test fts3d-6.2 {
327: db close
328: forcedelete test.db
329: sqlite3 db test.db
330: db eval {
331: PRAGMA encoding=UTF16le;
332: CREATE VIRTUAL TABLE fts USING fts3(a,b,c);
333: SELECT name FROM sqlite_master WHERE name GLOB '???_*' ORDER BY 1;
334: }
335: } {fts_content fts_segdir fts_segments}
336: do_test fts3d-6.3 {
337: db eval {
338: ALTER TABLE fts RENAME TO xyz;
339: SELECT name FROM sqlite_master WHERE name GLOB '???_*' ORDER BY 1;
340: }
341: } {xyz_content xyz_segdir xyz_segments}
342: do_test fts3d-6.4 {
343: db close
344: forcedelete test.db
345: sqlite3 db test.db
346: db eval {
347: PRAGMA encoding=UTF16be;
348: CREATE VIRTUAL TABLE fts USING fts3(a,b,c);
349: SELECT name FROM sqlite_master WHERE name GLOB '???_*' ORDER BY 1;
350: }
351: } {fts_content fts_segdir fts_segments}
352: do_test fts3d-6.5 {
353: db eval {
354: ALTER TABLE fts RENAME TO xyz;
355: SELECT name FROM sqlite_master WHERE name GLOB '???_*' ORDER BY 1;
356: }
357: } {xyz_content xyz_segdir xyz_segments}
358:
359:
360: finish_test
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