3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this file is testing indexes on expressions.
15 set testdir [file dirname $argv0]
16 source $testdir/tester.tcl
18 do_execsql_test indexexpr1-100 {
19 CREATE TABLE t1(a,b,c);
21 /* 123456789 123456789 123456789 123456789 123456789 123456789 */
22 VALUES('In_the_beginning_was_the_Word',1,1),
23 ('and_the_Word_was_with_God',1,2),
24 ('and_the_Word_was_God',1,3),
25 ('The_same_was_in_the_beginning_with_God',2,1),
26 ('All_things_were_made_by_him',3,1),
27 ('and_without_him_was_not_any_thing_made_that_was_made',3,2);
28 CREATE INDEX t1a1 ON t1(substr(a,1,12));
30 do_execsql_test indexexpr1-110 {
31 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
33 do_execsql_test indexexpr1-110eqp {
35 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
36 } {/USING INDEX t1a1/}
37 do_execsql_test indexexpr1-120 {
38 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
40 do_execsql_test indexexpr1-120eqp {
42 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
43 } {/USING INDEX t1a1/}
45 do_execsql_test indexexpr1-130 {
46 CREATE INDEX t1ba ON t1(b,substr(a,2,3),c);
47 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
49 do_execsql_test indexexpr1-130eqp {
51 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
52 } {/USING INDEX t1ba/}
54 do_execsql_test indexexpr1-140 {
55 SELECT rowid, substr(a,b,3), '|' FROM t1 ORDER BY 2;
56 } {1 In_ | 2 and | 3 and | 6 d_w | 4 he_ | 5 l_t |}
57 do_execsql_test indexexpr1-141 {
58 CREATE INDEX t1abx ON t1(substr(a,b,3));
59 SELECT rowid FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +rowid;
61 do_execsql_test indexexpr1-141eqp {
63 SELECT rowid FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +rowid;
64 } {/USING INDEX t1abx/}
65 do_execsql_test indexexpr1-142 {
66 SELECT rowid FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +rowid;
68 do_execsql_test indexexpr1-150 {
69 SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
72 do_execsql_test indexexpr1-150eqp {
74 SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
76 } {/USING INDEX t1abx/}
78 do_execsql_test indexexpr1-160 {
79 ALTER TABLE t1 ADD COLUMN d;
80 UPDATE t1 SET d=length(a);
81 CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
82 SELECT rowid, b, c FROM t1
83 WHERE substr(a,27,3)=='ord' AND d>=29;
85 do_execsql_test indexexpr1-160eqp {
87 SELECT rowid, b, c FROM t1
88 WHERE substr(a,27,3)=='ord' AND d>=29;
89 } {/USING INDEX t1a2/}
91 # ORDER BY using an indexed expression
93 do_execsql_test indexexpr1-170 {
94 CREATE INDEX t1alen ON t1(length(a));
95 SELECT length(a) FROM t1 ORDER BY length(a);
97 do_execsql_test indexexpr1-170eqp {
99 SELECT length(a) FROM t1 ORDER BY length(a);
100 } {/SCAN TABLE t1 USING INDEX t1alen/}
101 do_execsql_test indexexpr1-171 {
102 SELECT length(a) FROM t1 ORDER BY length(a) DESC;
103 } {52 38 29 27 25 20}
104 do_execsql_test indexexpr1-171eqp {
106 SELECT length(a) FROM t1 ORDER BY length(a) DESC;
107 } {/SCAN TABLE t1 USING INDEX t1alen/}
109 do_execsql_test indexexpr1-200 {
111 CREATE TABLE t1(id ANY PRIMARY KEY, a,b,c) WITHOUT ROWID;
112 INSERT INTO t1(id,a,b,c)
113 VALUES(1,'In_the_beginning_was_the_Word',1,1),
114 (2,'and_the_Word_was_with_God',1,2),
115 (3,'and_the_Word_was_God',1,3),
116 (4,'The_same_was_in_the_beginning_with_God',2,1),
117 (5,'All_things_were_made_by_him',3,1),
118 (6,'and_without_him_was_not_any_thing_made_that_was_made',3,2);
119 CREATE INDEX t1a1 ON t1(substr(a,1,12));
121 do_execsql_test indexexpr1-210 {
122 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
124 do_execsql_test indexexpr1-210eqp {
126 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
127 } {/USING INDEX t1a1/}
128 do_execsql_test indexexpr1-220 {
129 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
131 do_execsql_test indexexpr1-220eqp {
133 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
134 } {/USING INDEX t1a1/}
136 do_execsql_test indexexpr1-230 {
137 CREATE INDEX t1ba ON t1(b,substr(a,2,3),c);
138 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
140 do_execsql_test indexexpr1-230eqp {
142 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
143 } {/USING INDEX t1ba/}
145 do_execsql_test indexexpr1-240 {
146 SELECT id, substr(a,b,3), '|' FROM t1 ORDER BY 2;
147 } {1 In_ | 2 and | 3 and | 6 d_w | 4 he_ | 5 l_t |}
148 do_execsql_test indexexpr1-241 {
149 CREATE INDEX t1abx ON t1(substr(a,b,3));
150 SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
152 do_execsql_test indexexpr1-241eqp {
154 SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
155 } {/USING INDEX t1abx/}
156 do_execsql_test indexexpr1-242 {
157 SELECT id FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +id;
159 do_execsql_test indexexpr1-250 {
160 SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
163 do_execsql_test indexexpr1-250eqp {
165 SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
167 } {/USING INDEX t1abx/}
169 do_execsql_test indexexpr1-260 {
170 ALTER TABLE t1 ADD COLUMN d;
171 UPDATE t1 SET d=length(a);
172 CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
173 SELECT id, b, c FROM t1
174 WHERE substr(a,27,3)=='ord' AND d>=29;
176 do_execsql_test indexexpr1-260eqp {
178 SELECT id, b, c FROM t1
179 WHERE substr(a,27,3)=='ord' AND d>=29;
180 } {/USING INDEX t1a2/}
183 do_catchsql_test indexexpr1-300 {
184 CREATE TABLE t2(a,b,c); INSERT INTO t2 VALUES(1,2,3);
185 CREATE INDEX t2x1 ON t2(a,b+random());
186 } {1 {non-deterministic functions prohibited in index expressions}}
187 do_catchsql_test indexexpr1-301 {
188 CREATE INDEX t2x1 ON t2(julianday('now',a));
189 } {1 {non-deterministic function in index expression or CHECK constraint}}
190 do_catchsql_test indexexpr1-310 {
191 CREATE INDEX t2x2 ON t2(a,b+(SELECT 15));
192 } {1 {subqueries prohibited in index expressions}}
193 do_catchsql_test indexexpr1-320 {
194 CREATE TABLE e1(x,y,UNIQUE(y,substr(x,1,5)));
195 } {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
196 do_catchsql_test indexexpr1-330 {
197 CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5)));
198 } {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
199 do_catchsql_test indexexpr1-331 {
200 CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5))) WITHOUT ROWID;
201 } {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
202 do_catchsql_test indexexpr1-340 {
203 CREATE TABLE e1(x,y,FOREIGN KEY(substr(y,1,5)) REFERENCES t1);
204 } {1 {near "(": syntax error}}
206 do_execsql_test indexexpr1-400 {
207 CREATE TABLE t3(a,b,c);
208 WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
209 INSERT INTO t3(a,b,c)
210 SELECT x, printf('ab%04xyz',x), random() FROM c;
211 CREATE UNIQUE INDEX t3abc ON t3(CAST(a AS text), b, substr(c,1,3));
212 SELECT a FROM t3 WHERE CAST(a AS text)<='10' ORDER BY +a;
213 PRAGMA integrity_check;
215 do_catchsql_test indexexpr1-410 {
216 INSERT INTO t3 SELECT * FROM t3 WHERE rowid=10;
217 } {1 {UNIQUE constraint failed: index 't3abc'}}
219 do_execsql_test indexexpr1-500 {
223 c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5)
224 INSERT INTO cnt(x) SELECT x FROM c;
225 INSERT INTO t5(a) SELECT printf('abc%03dxyz',x) FROM cnt;
226 CREATE INDEX t5ax ON t5( substr(a,4,3) );
228 do_execsql_test indexexpr1-510 {
229 -- The use of the "k" alias in the WHERE clause is technically
230 -- illegal, but SQLite allows it for historical reasons. In this
231 -- test and the next, verify that "k" can be used by the t5ax index
232 SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
233 } {001 002 003 004 005}
234 do_execsql_test indexexpr1-510eqp {
236 SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
237 } {/USING INDEX t5ax/}
239 # Skip-scan on an indexed expression
241 do_execsql_test indexexpr1-600 {
242 DROP TABLE IF EXISTS t4;
243 CREATE TABLE t4(a,b,c,d,e,f,g,h,i);
244 CREATE INDEX t4all ON t4(a,b,c<d,e,f,i,h);
245 INSERT INTO t4 VALUES(1,2,3,4,5,6,7,8,9);
247 DELETE FROM sqlite_stat1;
248 INSERT INTO sqlite_stat1
249 VALUES('t4','t4all','600000 160000 40000 10000 2000 600 100 40 10');
250 ANALYZE sqlite_master;
251 SELECT i FROM t4 WHERE e=5;
254 # Indexed expressions on both sides of an == in a WHERE clause.
256 do_execsql_test indexexpr1-700 {
257 DROP TABLE IF EXISTS t7;
258 CREATE TABLE t7(a,b,c);
259 INSERT INTO t7(a,b,c) VALUES(1,2,2),('abc','def','def'),(4,5,6);
260 CREATE INDEX t7b ON t7(+b);
261 CREATE INDEX t7c ON t7(+c);
262 SELECT *, '|' FROM t7 WHERE +b=+c ORDER BY +a;
263 } {1 2 2 | abc def def |}
264 do_execsql_test indexexpr1-710 {
265 CREATE TABLE t71(a,b,c);
266 CREATE INDEX t71bc ON t71(b+c);
267 CREATE TABLE t72(x,y,z);
268 CREATE INDEX t72yz ON t72(y+z);
269 INSERT INTO t71(a,b,c) VALUES(1,11,2),(2,7,15),(3,5,4);
270 INSERT INTO t72(x,y,z) VALUES(1,10,3),(2,8,14),(3,9,9);
271 SELECT a, x, '|' FROM t71, t72
276 # Collating sequences on indexes of expressions
278 do_execsql_test indexexpr1-800 {
279 DROP TABLE IF EXISTS t8;
280 CREATE TABLE t8(a INTEGER PRIMARY KEY, b TEXT);
281 CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE nocase);
282 INSERT INTO t8(a,b) VALUES(1,'Alice'),(2,'Bartholemew'),(3,'Cynthia');
283 SELECT * FROM t8 WHERE substr(b,2,4)='ARTH' COLLATE nocase;
285 do_catchsql_test indexexpr1-810 {
286 INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
287 } {1 {UNIQUE constraint failed: index 't8bx'}}
288 do_catchsql_test indexexpr1-820 {
290 CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE rtrim);
291 INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
294 # Check that PRAGMA integrity_check works correctly on a
295 # UNIQUE index that includes rowid and expression terms.
297 do_execsql_test indexexpr1-900 {
298 CREATE TABLE t9(a,b,c,d);
299 CREATE UNIQUE INDEX t9x1 ON t9(c,abs(d),b);
300 INSERT INTO t9(rowid,a,b,c,d) VALUES(1,2,3,4,5);
301 INSERT INTO t9(rowid,a,b,c,d) VALUES(2,NULL,NULL,NULL,NULL);
302 INSERT INTO t9(rowid,a,b,c,d) VALUES(3,NULL,NULL,NULL,NULL);
303 INSERT INTO t9(rowid,a,b,c,d) VALUES(4,5,6,7,8);
304 PRAGMA integrity_check;
306 do_catchsql_test indexexpr1-910 {
307 INSERT INTO t9(a,b,c,d) VALUES(5,6,7,-8);
308 } {1 {UNIQUE constraint failed: index 't9x1'}}
310 # Test cases derived from a NEVER() maro failure discovered by
311 # Jonathan Metzman using AFL
313 do_execsql_test indexexpr1-1000 {
314 DROP TABLE IF EXISTS t0;
315 CREATE TABLE t0(a,b,t);
316 CREATE INDEX i ON t0(a in(0,1));
317 INSERT INTO t0 VALUES(0,1,2),(2,3,4),(5,6,7);
318 UPDATE t0 SET b=99 WHERE (a in(0,1))=0;
319 SELECT *, '|' FROM t0 ORDER BY +a;
320 } {0 1 2 | 2 99 4 | 5 99 7 |}
321 do_execsql_test indexexpr1-1010 {
322 UPDATE t0 SET b=88 WHERE (a in(0,1))=1;
323 SELECT *, '|' FROM t0 ORDER BY +a;
324 } {0 88 2 | 2 99 4 | 5 99 7 |}
327 # Make sure indexes on expressions skip over initial NULL values in the
328 # index as they are suppose to do.
329 # Ticket https://www.sqlite.org/src/tktview/4baa46491212947
331 do_execsql_test indexexpr1-1100 {
332 DROP TABLE IF EXISTS t1;
334 INSERT INTO t1 VALUES(NULL),(1);
335 SELECT '1:', typeof(a), a FROM t1 WHERE a<10;
336 SELECT '2:', typeof(a), a FROM t1 WHERE a+0<10;
337 CREATE INDEX t1x1 ON t1(a);
338 CREATE INDEX t1x2 ON t1(a+0);
339 SELECT '3:', typeof(a), a FROM t1 WHERE a<10;
340 SELECT '4:', typeof(a), a FROM t1 WHERE a+0<10;
341 } {1: integer 1 2: integer 1 3: integer 1 4: integer 1}
343 do_execsql_test indexexpr1-1200 {
344 CREATE TABLE t10(a int, b int, c int, d int);
345 INSERT INTO t10(a, b, c, d) VALUES(0, 0, 2, 2);
346 INSERT INTO t10(a, b, c, d) VALUES(0, 0, 0, 0);
347 INSERT INTO t10(a, b, c, d) VALUES(0, 0, 1, 1);
348 INSERT INTO t10(a, b, c, d) VALUES(1, 1, 1, 1);
349 INSERT INTO t10(a, b, c, d) VALUES(1, 1, 0, 0);
350 INSERT INTO t10(a, b, c, d) VALUES(2, 2, 0, 0);
352 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d;
354 0 0 0 2 0 4 2 0 2 2 4 0
356 do_execsql_test indexexpr1-1200.1 {
357 CREATE INDEX t10_ab ON t10(a+b);
359 do_execsql_test indexexpr1-1200.2 {
360 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d;
362 0 0 0 2 0 4 2 0 2 2 4 0
364 do_execsql_test indexexpr1-1200.3 {
365 CREATE INDEX t10_abcd ON t10(a+b,c+d);
367 do_execsql_test indexexpr1-1200.4 {
368 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d;
370 0 0 0 2 0 4 2 0 2 2 4 0
373 # Ticket https://www.sqlite.org/src/tktview/eb703ba7b50c1a
374 # Incorrect result using an index on an expression with a collating function
376 do_execsql_test indexexpr1-1300.1 {
377 CREATE TABLE t1300(a INTEGER PRIMARY KEY, b);
378 INSERT INTO t1300 VALUES(1,'coffee'),(2,'COFFEE'),(3,'stress'),(4,'STRESS');
379 CREATE INDEX t1300bexpr ON t1300( substr(b,4) );
380 SELECT a FROM t1300 WHERE substr(b,4)='ess' COLLATE nocase ORDER BY +a;
383 # Ticket https://sqlite.org/src/tktview/aa98619a
384 # Assertion fault using an index on a constant
386 do_execsql_test indexexpr1-1400 {
387 CREATE TABLE t1400(x TEXT);
388 CREATE INDEX t1400x ON t1400(1); -- Index on a constant
389 SELECT 1 IN (SELECT 2) FROM t1400;
391 do_execsql_test indexexpr1-1410 {
392 INSERT INTO t1400 VALUES('a'),('b');
393 SELECT 1 IN (SELECT 2) FROM t1400;
395 do_execsql_test indexexpr1-1420 {
396 SELECT 1 IN (SELECT 2 UNION ALL SELECT 1) FROM t1400;
398 do_execsql_test indexexpr1-1430 {
400 CREATE INDEX t1400x ON t1400(abs(15+3));
401 SELECT abs(15+3) IN (SELECT 17 UNION ALL SELECT 18) FROM t1;
404 # 2018-01-02 ticket https://sqlite.org/src/info/dc3f932f5a147771
405 # A REPLACE into a table that uses an index on an expression causes
406 # an assertion fault. Problem discovered by OSSFuzz.
408 do_execsql_test indexexpr1-1500 {
409 CREATE TABLE t1500(a INT PRIMARY KEY, b INT UNIQUE);
410 CREATE INDEX t1500ab ON t1500(a*b);
411 INSERT INTO t1500(a,b) VALUES(1,2);
412 REPLACE INTO t1500(a,b) VALUES(1,3); -- formerly caused assertion fault
416 # 2018-01-03 OSSFuzz discovers another test case for the same problem
419 do_execsql_test indexexpr-1510 {
420 DROP TABLE IF EXISTS t1;
421 CREATE TABLE t1(a PRIMARY KEY,b UNIQUE);
422 REPLACE INTO t1 VALUES(2, 1);
423 REPLACE INTO t1 SELECT 6,1;
424 CREATE INDEX t1aa ON t1(a-a);
425 REPLACE INTO t1 SELECT a, randomblob(a) FROM t1