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 FTS2 module's optimize() function.
13: #
14: # $Id: fts2q.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
15: #
16:
17: set testdir [file dirname $argv0]
18: source $testdir/tester.tcl
19:
20: # If SQLITE_ENABLE_FTS2 is not defined, omit this file.
21: ifcapable !fts2 {
22: finish_test
23: return
24: }
25:
26: #*************************************************************************
27: # Probe to see if support for the FTS2 dump_* functions is compiled in.
28: # TODO(shess): Change main.mk to do the right thing and remove this test.
29: db eval {
30: DROP TABLE IF EXISTS t1;
31: CREATE VIRTUAL TABLE t1 USING fts2(c);
32: INSERT INTO t1 (rowid, c) VALUES (1, 'x');
33: }
34:
35: set s {SELECT dump_terms(t1, 1) FROM t1 LIMIT 1}
36: set r {1 {unable to use function dump_terms in the requested context}}
37: if {[catchsql $s]==$r} {
38: finish_test
39: return
40: }
41:
42: #*************************************************************************
43: # Utility function to check for the expected terms in the segment
44: # level/index. _all version does same but for entire index.
45: proc check_terms {test level index terms} {
46: # TODO(shess): Figure out why uplevel in do_test can't catch
47: # $level and $index directly.
48: set ::level $level
49: set ::index $index
50: do_test $test.terms {
51: execsql {
52: SELECT dump_terms(t1, $::level, $::index) FROM t1 LIMIT 1;
53: }
54: } [list $terms]
55: }
56: proc check_terms_all {test terms} {
57: do_test $test.terms {
58: execsql {
59: SELECT dump_terms(t1) FROM t1 LIMIT 1;
60: }
61: } [list $terms]
62: }
63:
64: # Utility function to check for the expected doclist for the term in
65: # segment level/index. _all version does same for entire index.
66: proc check_doclist {test level index term doclist} {
67: # TODO(shess): Again, why can't the non-:: versions work?
68: set ::term $term
69: set ::level $level
70: set ::index $index
71: do_test $test {
72: execsql {
73: SELECT dump_doclist(t1, $::term, $::level, $::index) FROM t1 LIMIT 1;
74: }
75: } [list $doclist]
76: }
77: proc check_doclist_all {test term doclist} {
78: set ::term $term
79: do_test $test {
80: execsql {
81: SELECT dump_doclist(t1, $::term) FROM t1 LIMIT 1;
82: }
83: } [list $doclist]
84: }
85:
86: #*************************************************************************
87: # Test results when all rows are deleted and one is added back.
88: # Previously older segments would continue to exist, but now the index
89: # should be dropped when the table is empty. The results should look
90: # exactly like we never added the earlier rows in the first place.
91: db eval {
92: DROP TABLE IF EXISTS t1;
93: CREATE VIRTUAL TABLE t1 USING fts2(c);
94: INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
95: INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
96: INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
97: DELETE FROM t1 WHERE 1=1; -- Delete each row rather than dropping table.
98: INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
99: }
100:
101: # Should be a single initial segment.
102: do_test fts2q-1.segments {
103: execsql {
104: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
105: }
106: } {0 0}
107: do_test fts2q-1.matches {
108: execsql {
109: SELECT OFFSETS(t1) FROM t1
110: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
111: }
112: } {{0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}}
113:
114: check_terms_all fts2q-1.1 {a is test this}
115: check_doclist_all fts2q-1.1.1 a {[1 0[2]]}
116: check_doclist_all fts2q-1.1.2 is {[1 0[1]]}
117: check_doclist_all fts2q-1.1.3 test {[1 0[3]]}
118: check_doclist_all fts2q-1.1.4 this {[1 0[0]]}
119:
120: check_terms fts2q-1.2 0 0 {a is test this}
121: check_doclist fts2q-1.2.1 0 0 a {[1 0[2]]}
122: check_doclist fts2q-1.2.2 0 0 is {[1 0[1]]}
123: check_doclist fts2q-1.2.3 0 0 test {[1 0[3]]}
124: check_doclist fts2q-1.2.4 0 0 this {[1 0[0]]}
125:
126: #*************************************************************************
127: # Test results when everything is optimized manually.
128: # NOTE(shess): This is a copy of fts2c-1.3. I've pulled a copy here
129: # because fts2q-2 and fts2q-3 should have identical results.
130: db eval {
131: DROP TABLE IF EXISTS t1;
132: CREATE VIRTUAL TABLE t1 USING fts2(c);
133: INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
134: INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
135: INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
136: DELETE FROM t1 WHERE rowid IN (1,3);
137: DROP TABLE IF EXISTS t1old;
138: ALTER TABLE t1 RENAME TO t1old;
139: CREATE VIRTUAL TABLE t1 USING fts2(c);
140: INSERT INTO t1 (rowid, c) SELECT rowid, c FROM t1old;
141: DROP TABLE t1old;
142: }
143:
144: # Should be a single optimal segment with the same logical results.
145: do_test fts2q-2.segments {
146: execsql {
147: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
148: }
149: } {0 0}
150: do_test fts2q-2.matches {
151: execsql {
152: SELECT OFFSETS(t1) FROM t1
153: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
154: }
155: } {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}}
156:
157: check_terms_all fts2q-2.1 {a test that was}
158: check_doclist_all fts2q-2.1.1 a {[2 0[2]]}
159: check_doclist_all fts2q-2.1.2 test {[2 0[3]]}
160: check_doclist_all fts2q-2.1.3 that {[2 0[0]]}
161: check_doclist_all fts2q-2.1.4 was {[2 0[1]]}
162:
163: check_terms fts2q-2.2 0 0 {a test that was}
164: check_doclist fts2q-2.2.1 0 0 a {[2 0[2]]}
165: check_doclist fts2q-2.2.2 0 0 test {[2 0[3]]}
166: check_doclist fts2q-2.2.3 0 0 that {[2 0[0]]}
167: check_doclist fts2q-2.2.4 0 0 was {[2 0[1]]}
168:
169: #*************************************************************************
170: # Test results when everything is optimized via optimize().
171: db eval {
172: DROP TABLE IF EXISTS t1;
173: CREATE VIRTUAL TABLE t1 USING fts2(c);
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: DELETE FROM t1 WHERE rowid IN (1,3);
178: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
179: }
180:
181: # Should be a single optimal segment with the same logical results.
182: do_test fts2q-3.segments {
183: execsql {
184: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
185: }
186: } {0 0}
187: do_test fts2q-3.matches {
188: execsql {
189: SELECT OFFSETS(t1) FROM t1
190: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
191: }
192: } {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}}
193:
194: check_terms_all fts2q-3.1 {a test that was}
195: check_doclist_all fts2q-3.1.1 a {[2 0[2]]}
196: check_doclist_all fts2q-3.1.2 test {[2 0[3]]}
197: check_doclist_all fts2q-3.1.3 that {[2 0[0]]}
198: check_doclist_all fts2q-3.1.4 was {[2 0[1]]}
199:
200: check_terms fts2q-3.2 0 0 {a test that was}
201: check_doclist fts2q-3.2.1 0 0 a {[2 0[2]]}
202: check_doclist fts2q-3.2.2 0 0 test {[2 0[3]]}
203: check_doclist fts2q-3.2.3 0 0 that {[2 0[0]]}
204: check_doclist fts2q-3.2.4 0 0 was {[2 0[1]]}
205:
206: #*************************************************************************
207: # Test optimize() against a table involving segment merges.
208: # NOTE(shess): Since there's no transaction, each of the INSERT/UPDATE
209: # statements generates a segment.
210: db eval {
211: DROP TABLE IF EXISTS t1;
212: CREATE VIRTUAL TABLE t1 USING fts2(c);
213:
214: INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
215: INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
216: INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
217:
218: UPDATE t1 SET c = 'This is a test one' WHERE rowid = 1;
219: UPDATE t1 SET c = 'That was a test one' WHERE rowid = 2;
220: UPDATE t1 SET c = 'This is a test one' WHERE rowid = 3;
221:
222: UPDATE t1 SET c = 'This is a test two' WHERE rowid = 1;
223: UPDATE t1 SET c = 'That was a test two' WHERE rowid = 2;
224: UPDATE t1 SET c = 'This is a test two' WHERE rowid = 3;
225:
226: UPDATE t1 SET c = 'This is a test three' WHERE rowid = 1;
227: UPDATE t1 SET c = 'That was a test three' WHERE rowid = 2;
228: UPDATE t1 SET c = 'This is a test three' WHERE rowid = 3;
229:
230: UPDATE t1 SET c = 'This is a test four' WHERE rowid = 1;
231: UPDATE t1 SET c = 'That was a test four' WHERE rowid = 2;
232: UPDATE t1 SET c = 'This is a test four' WHERE rowid = 3;
233:
234: UPDATE t1 SET c = 'This is a test' WHERE rowid = 1;
235: UPDATE t1 SET c = 'That was a test' WHERE rowid = 2;
236: UPDATE t1 SET c = 'This is a test' WHERE rowid = 3;
237: }
238:
239: # 2 segments in level 0, 1 in level 1 (18 segments created, 16
240: # merged).
241: do_test fts2q-4.segments {
242: execsql {
243: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
244: }
245: } {0 0 0 1 1 0}
246:
247: do_test fts2q-4.matches {
248: execsql {
249: SELECT OFFSETS(t1) FROM t1
250: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
251: }
252: } [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \
253: {0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \
254: {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}]
255:
256: check_terms_all fts2q-4.1 {a four is one test that this three two was}
257: check_doclist_all fts2q-4.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]}
258: check_doclist_all fts2q-4.1.2 four {}
259: check_doclist_all fts2q-4.1.3 is {[1 0[1]] [3 0[1]]}
260: check_doclist_all fts2q-4.1.4 one {}
261: check_doclist_all fts2q-4.1.5 test {[1 0[3]] [2 0[3]] [3 0[3]]}
262: check_doclist_all fts2q-4.1.6 that {[2 0[0]]}
263: check_doclist_all fts2q-4.1.7 this {[1 0[0]] [3 0[0]]}
264: check_doclist_all fts2q-4.1.8 three {}
265: check_doclist_all fts2q-4.1.9 two {}
266: check_doclist_all fts2q-4.1.10 was {[2 0[1]]}
267:
268: check_terms fts2q-4.2 0 0 {a four test that was}
269: check_doclist fts2q-4.2.1 0 0 a {[2 0[2]]}
270: check_doclist fts2q-4.2.2 0 0 four {[2]}
271: check_doclist fts2q-4.2.3 0 0 test {[2 0[3]]}
272: check_doclist fts2q-4.2.4 0 0 that {[2 0[0]]}
273: check_doclist fts2q-4.2.5 0 0 was {[2 0[1]]}
274:
275: check_terms fts2q-4.3 0 1 {a four is test this}
276: check_doclist fts2q-4.3.1 0 1 a {[3 0[2]]}
277: check_doclist fts2q-4.3.2 0 1 four {[3]}
278: check_doclist fts2q-4.3.3 0 1 is {[3 0[1]]}
279: check_doclist fts2q-4.3.4 0 1 test {[3 0[3]]}
280: check_doclist fts2q-4.3.5 0 1 this {[3 0[0]]}
281:
282: check_terms fts2q-4.4 1 0 {a four is one test that this three two was}
283: check_doclist fts2q-4.4.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]}
284: check_doclist fts2q-4.4.2 1 0 four {[1] [2 0[4]] [3 0[4]]}
285: check_doclist fts2q-4.4.3 1 0 is {[1 0[1]] [3 0[1]]}
286: check_doclist fts2q-4.4.4 1 0 one {[1] [2] [3]}
287: check_doclist fts2q-4.4.5 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]}
288: check_doclist fts2q-4.4.6 1 0 that {[2 0[0]]}
289: check_doclist fts2q-4.4.7 1 0 this {[1 0[0]] [3 0[0]]}
290: check_doclist fts2q-4.4.8 1 0 three {[1] [2] [3]}
291: check_doclist fts2q-4.4.9 1 0 two {[1] [2] [3]}
292: check_doclist fts2q-4.4.10 1 0 was {[2 0[1]]}
293:
294: # Optimize should leave the result in the level of the highest-level
295: # prior segment.
296: do_test fts2q-4.5 {
297: execsql {
298: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
299: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
300: }
301: } {{Index optimized} 1 0}
302:
303: # Identical to fts2q-4.matches.
304: do_test fts2q-4.5.matches {
305: execsql {
306: SELECT OFFSETS(t1) FROM t1
307: WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
308: }
309: } [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \
310: {0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \
311: {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}]
312:
313: check_terms_all fts2q-4.5.1 {a is test that this was}
314: check_doclist_all fts2q-4.5.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]}
315: check_doclist_all fts2q-4.5.1.2 is {[1 0[1]] [3 0[1]]}
316: check_doclist_all fts2q-4.5.1.3 test {[1 0[3]] [2 0[3]] [3 0[3]]}
317: check_doclist_all fts2q-4.5.1.4 that {[2 0[0]]}
318: check_doclist_all fts2q-4.5.1.5 this {[1 0[0]] [3 0[0]]}
319: check_doclist_all fts2q-4.5.1.6 was {[2 0[1]]}
320:
321: check_terms fts2q-4.5.2 1 0 {a is test that this was}
322: check_doclist fts2q-4.5.2.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]}
323: check_doclist fts2q-4.5.2.2 1 0 is {[1 0[1]] [3 0[1]]}
324: check_doclist fts2q-4.5.2.3 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]}
325: check_doclist fts2q-4.5.2.4 1 0 that {[2 0[0]]}
326: check_doclist fts2q-4.5.2.5 1 0 this {[1 0[0]] [3 0[0]]}
327: check_doclist fts2q-4.5.2.6 1 0 was {[2 0[1]]}
328:
329: # Re-optimizing does nothing.
330: do_test fts2q-5.0 {
331: execsql {
332: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
333: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
334: }
335: } {{Index already optimal} 1 0}
336:
337: # Even if we move things around, still does nothing.
338: do_test fts2q-5.1 {
339: execsql {
340: UPDATE t1_segdir SET level = 2 WHERE level = 1 AND idx = 0;
341: SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
342: SELECT level, idx FROM t1_segdir ORDER BY level, idx;
343: }
344: } {{Index already optimal} 2 0}
345:
346: finish_test
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