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 ifcapable altertable {
79 do_execsql_test indexexpr1-160 {
80 ALTER TABLE t1 ADD COLUMN d;
81 UPDATE t1 SET d=length(a);
82 CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
83 SELECT rowid, b, c FROM t1
84 WHERE substr(a,27,3)=='ord' AND d>=29;
86 do_execsql_test indexexpr1-160eqp {
88 SELECT rowid, b, c FROM t1
89 WHERE substr(a,27,3)=='ord' AND d>=29;
90 } {/USING INDEX t1a2/}
93 # ORDER BY using an indexed expression
95 do_execsql_test indexexpr1-170 {
96 CREATE INDEX t1alen ON t1(length(a));
97 SELECT length(a) FROM t1 ORDER BY length(a);
99 do_execsql_test indexexpr1-170eqp {
101 SELECT length(a) FROM t1 ORDER BY length(a);
102 } {/SCAN t1 USING INDEX t1alen/}
103 do_execsql_test indexexpr1-171 {
104 SELECT length(a) FROM t1 ORDER BY length(a) DESC;
105 } {52 38 29 27 25 20}
106 do_execsql_test indexexpr1-171eqp {
108 SELECT length(a) FROM t1 ORDER BY length(a) DESC;
109 } {/SCAN t1 USING INDEX t1alen/}
111 do_execsql_test indexexpr1-200 {
113 CREATE TABLE t1(id ANY PRIMARY KEY, a,b,c) WITHOUT ROWID;
114 INSERT INTO t1(id,a,b,c)
115 VALUES(1,'In_the_beginning_was_the_Word',1,1),
116 (2,'and_the_Word_was_with_God',1,2),
117 (3,'and_the_Word_was_God',1,3),
118 (4,'The_same_was_in_the_beginning_with_God',2,1),
119 (5,'All_things_were_made_by_him',3,1),
120 (6,'and_without_him_was_not_any_thing_made_that_was_made',3,2);
121 CREATE INDEX t1a1 ON t1(substr(a,1,12));
123 do_execsql_test indexexpr1-210 {
124 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
126 do_execsql_test indexexpr1-210eqp {
128 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
129 } {/USING INDEX t1a1/}
130 do_execsql_test indexexpr1-220 {
131 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
133 do_execsql_test indexexpr1-220eqp {
135 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
136 } {/USING INDEX t1a1/}
138 do_execsql_test indexexpr1-230 {
139 CREATE INDEX t1ba ON t1(b,substr(a,2,3),c);
140 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
142 do_execsql_test indexexpr1-230eqp {
144 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
145 } {/USING INDEX t1ba/}
147 do_execsql_test indexexpr1-240 {
148 SELECT id, substr(a,b,3), '|' FROM t1 ORDER BY 2;
149 } {1 In_ | 2 and | 3 and | 6 d_w | 4 he_ | 5 l_t |}
150 do_execsql_test indexexpr1-241 {
151 CREATE INDEX t1abx ON t1(substr(a,b,3));
152 SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
154 do_execsql_test indexexpr1-241eqp {
156 SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
157 } {/USING INDEX t1abx/}
158 do_execsql_test indexexpr1-242 {
159 SELECT id FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +id;
161 do_execsql_test indexexpr1-250 {
162 SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
165 do_execsql_test indexexpr1-250eqp {
167 SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
169 } {/USING INDEX t1abx/}
171 ifcapable altertable {
172 do_execsql_test indexexpr1-260 {
173 ALTER TABLE t1 ADD COLUMN d;
174 UPDATE t1 SET d=length(a);
175 CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
176 SELECT id, b, c FROM t1
177 WHERE substr(a,27,3)=='ord' AND d>=29;
179 do_execsql_test indexexpr1-260eqp {
181 SELECT id, b, c FROM t1
182 WHERE substr(a,27,3)=='ord' AND d>=29;
183 } {/USING INDEX t1a2/}
187 do_catchsql_test indexexpr1-300 {
188 CREATE TABLE t2(a,b,c); INSERT INTO t2 VALUES(1,2,3);
189 CREATE INDEX t2x1 ON t2(a,b+random());
190 } {1 {non-deterministic functions prohibited in index expressions}}
191 do_catchsql_test indexexpr1-301 {
192 CREATE INDEX t2x1 ON t2(julianday('now',a));
193 } {1 {non-deterministic use of julianday() in an index}}
194 do_catchsql_test indexexpr1-310 {
195 CREATE INDEX t2x2 ON t2(a,b+(SELECT 15));
196 } {1 {subqueries prohibited in index expressions}}
197 do_catchsql_test indexexpr1-320 {
198 CREATE TABLE e1(x,y,UNIQUE(y,substr(x,1,5)));
199 } {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
200 do_catchsql_test indexexpr1-330 {
201 CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5)));
202 } {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
203 do_catchsql_test indexexpr1-331 {
204 CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5))) WITHOUT ROWID;
205 } {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
206 do_catchsql_test indexexpr1-340 {
207 CREATE TABLE e1(x,y,FOREIGN KEY(substr(y,1,5)) REFERENCES t1);
208 } {1 {near "(": syntax error}}
210 do_execsql_test indexexpr1-400 {
211 CREATE TABLE t3(a,b,c);
212 WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
213 INSERT INTO t3(a,b,c)
214 SELECT x, printf('ab%04xyz',x), random() FROM c;
215 CREATE UNIQUE INDEX t3abc ON t3(CAST(a AS text), b, substr(c,1,3));
216 SELECT a FROM t3 WHERE CAST(a AS text)<='10' ORDER BY +a;
217 PRAGMA integrity_check;
219 do_catchsql_test indexexpr1-410 {
220 INSERT INTO t3 SELECT * FROM t3 WHERE rowid=10;
221 } {1 {UNIQUE constraint failed: index 't3abc'}}
223 do_execsql_test indexexpr1-500 {
227 c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5)
228 INSERT INTO cnt(x) SELECT x FROM c;
229 INSERT INTO t5(a) SELECT printf('abc%03dxyz',x) FROM cnt;
230 CREATE INDEX t5ax ON t5( substr(a,4,3) );
232 do_execsql_test indexexpr1-510 {
233 -- The use of the "k" alias in the WHERE clause is technically
234 -- illegal, but SQLite allows it for historical reasons. In this
235 -- test and the next, verify that "k" can be used by the t5ax index
236 SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
237 } {001 002 003 004 005}
238 do_execsql_test indexexpr1-510eqp {
240 SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
241 } {/USING INDEX t5ax/}
243 # Skip-scan on an indexed expression
245 do_execsql_test indexexpr1-600 {
246 DROP TABLE IF EXISTS t4;
247 CREATE TABLE t4(a,b,c,d,e,f,g,h,i);
248 CREATE INDEX t4all ON t4(a,b,c<d,e,f,i,h);
249 INSERT INTO t4 VALUES(1,2,3,4,5,6,7,8,9);
251 DELETE FROM sqlite_stat1;
252 INSERT INTO sqlite_stat1
253 VALUES('t4','t4all','600000 160000 40000 10000 2000 600 100 40 10');
254 ANALYZE sqlite_master;
255 SELECT i FROM t4 WHERE e=5;
258 # Indexed expressions on both sides of an == in a WHERE clause.
260 do_execsql_test indexexpr1-700 {
261 DROP TABLE IF EXISTS t7;
262 CREATE TABLE t7(a,b,c);
263 INSERT INTO t7(a,b,c) VALUES(1,2,2),('abc','def','def'),(4,5,6);
264 CREATE INDEX t7b ON t7(+b);
265 CREATE INDEX t7c ON t7(+c);
266 SELECT *, '|' FROM t7 WHERE +b=+c ORDER BY +a;
267 } {1 2 2 | abc def def |}
268 do_execsql_test indexexpr1-710 {
269 CREATE TABLE t71(a,b,c);
270 CREATE INDEX t71bc ON t71(b+c);
271 CREATE TABLE t72(x,y,z);
272 CREATE INDEX t72yz ON t72(y+z);
273 INSERT INTO t71(a,b,c) VALUES(1,11,2),(2,7,15),(3,5,4);
274 INSERT INTO t72(x,y,z) VALUES(1,10,3),(2,8,14),(3,9,9);
275 SELECT a, x, '|' FROM t71, t72
280 # Collating sequences on indexes of expressions
282 do_execsql_test indexexpr1-800 {
283 DROP TABLE IF EXISTS t8;
284 CREATE TABLE t8(a INTEGER PRIMARY KEY, b TEXT);
285 CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE nocase);
286 INSERT INTO t8(a,b) VALUES(1,'Alice'),(2,'Bartholemew'),(3,'Cynthia');
287 SELECT * FROM t8 WHERE substr(b,2,4)='ARTH' COLLATE nocase;
289 do_catchsql_test indexexpr1-810 {
290 INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
291 } {1 {UNIQUE constraint failed: index 't8bx'}}
292 do_catchsql_test indexexpr1-820 {
294 CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE rtrim);
295 INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
298 # Check that PRAGMA integrity_check works correctly on a
299 # UNIQUE index that includes rowid and expression terms.
301 do_execsql_test indexexpr1-900 {
302 CREATE TABLE t9(a,b,c,d);
303 CREATE UNIQUE INDEX t9x1 ON t9(c,abs(d),b);
304 INSERT INTO t9(rowid,a,b,c,d) VALUES(1,2,3,4,5);
305 INSERT INTO t9(rowid,a,b,c,d) VALUES(2,NULL,NULL,NULL,NULL);
306 INSERT INTO t9(rowid,a,b,c,d) VALUES(3,NULL,NULL,NULL,NULL);
307 INSERT INTO t9(rowid,a,b,c,d) VALUES(4,5,6,7,8);
308 PRAGMA integrity_check;
310 do_catchsql_test indexexpr1-910 {
311 INSERT INTO t9(a,b,c,d) VALUES(5,6,7,-8);
312 } {1 {UNIQUE constraint failed: index 't9x1'}}
314 # Test cases derived from a NEVER() maro failure discovered by
315 # Jonathan Metzman using AFL
317 do_execsql_test indexexpr1-1000 {
318 DROP TABLE IF EXISTS t0;
319 CREATE TABLE t0(a,b,t);
320 CREATE INDEX i ON t0(a in(0,1));
321 INSERT INTO t0 VALUES(0,1,2),(2,3,4),(5,6,7);
322 UPDATE t0 SET b=99 WHERE (a in(0,1))=0;
323 SELECT *, '|' FROM t0 ORDER BY +a;
324 } {0 1 2 | 2 99 4 | 5 99 7 |}
325 do_execsql_test indexexpr1-1010 {
326 UPDATE t0 SET b=88 WHERE (a in(0,1))=1;
327 SELECT *, '|' FROM t0 ORDER BY +a;
328 } {0 88 2 | 2 99 4 | 5 99 7 |}
331 # Make sure indexes on expressions skip over initial NULL values in the
332 # index as they are suppose to do.
333 # Ticket https://www.sqlite.org/src/tktview/4baa46491212947
335 do_execsql_test indexexpr1-1100 {
336 DROP TABLE IF EXISTS t1;
338 INSERT INTO t1 VALUES(NULL),(1);
339 SELECT '1:', typeof(a), a FROM t1 WHERE a<10;
340 SELECT '2:', typeof(a), a FROM t1 WHERE a+0<10;
341 CREATE INDEX t1x1 ON t1(a);
342 CREATE INDEX t1x2 ON t1(a+0);
343 SELECT '3:', typeof(a), a FROM t1 WHERE a<10;
344 SELECT '4:', typeof(a), a FROM t1 WHERE a+0<10;
345 } {1: integer 1 2: integer 1 3: integer 1 4: integer 1}
347 do_execsql_test indexexpr1-1200 {
348 CREATE TABLE t10(a int, b int, c int, d int);
349 INSERT INTO t10(a, b, c, d) VALUES(0, 0, 2, 2);
350 INSERT INTO t10(a, b, c, d) VALUES(0, 0, 0, 0);
351 INSERT INTO t10(a, b, c, d) VALUES(0, 0, 1, 1);
352 INSERT INTO t10(a, b, c, d) VALUES(1, 1, 1, 1);
353 INSERT INTO t10(a, b, c, d) VALUES(1, 1, 0, 0);
354 INSERT INTO t10(a, b, c, d) VALUES(2, 2, 0, 0);
356 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d;
358 0 0 0 2 0 4 2 0 2 2 4 0
360 do_execsql_test indexexpr1-1200.1 {
361 CREATE INDEX t10_ab ON t10(a+b);
363 do_execsql_test indexexpr1-1200.2 {
364 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d;
366 0 0 0 2 0 4 2 0 2 2 4 0
368 do_execsql_test indexexpr1-1200.3 {
369 CREATE INDEX t10_abcd ON t10(a+b,c+d);
371 do_execsql_test indexexpr1-1200.4 {
372 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d;
374 0 0 0 2 0 4 2 0 2 2 4 0
377 # Ticket https://www.sqlite.org/src/tktview/eb703ba7b50c1a
378 # Incorrect result using an index on an expression with a collating function
380 do_execsql_test indexexpr1-1300.1 {
381 CREATE TABLE t1300(a INTEGER PRIMARY KEY, b);
382 INSERT INTO t1300 VALUES(1,'coffee'),(2,'COFFEE'),(3,'stress'),(4,'STRESS');
383 CREATE INDEX t1300bexpr ON t1300( substr(b,4) );
384 SELECT a FROM t1300 WHERE substr(b,4)='ess' COLLATE nocase ORDER BY +a;
387 # Ticket https://sqlite.org/src/tktview/aa98619a
388 # Assertion fault using an index on a constant
390 do_execsql_test indexexpr1-1400 {
391 CREATE TABLE t1400(x TEXT);
392 CREATE INDEX t1400x ON t1400(1); -- Index on a constant
393 SELECT 1 IN (SELECT 2) FROM t1400;
395 do_execsql_test indexexpr1-1410 {
396 INSERT INTO t1400 VALUES('a'),('b');
397 SELECT 1 IN (SELECT 2) FROM t1400;
399 do_execsql_test indexexpr1-1420 {
400 SELECT 1 IN (SELECT 2 UNION ALL SELECT 1) FROM t1400;
402 do_execsql_test indexexpr1-1430 {
404 CREATE INDEX t1400x ON t1400(abs(15+3));
405 SELECT abs(15+3) IN (SELECT 17 UNION ALL SELECT 18) FROM t1;
408 # 2018-01-02 ticket https://sqlite.org/src/info/dc3f932f5a147771
409 # A REPLACE into a table that uses an index on an expression causes
410 # an assertion fault. Problem discovered by OSSFuzz.
412 do_execsql_test indexexpr1-1500 {
413 CREATE TABLE t1500(a INT PRIMARY KEY, b INT UNIQUE);
414 CREATE INDEX t1500ab ON t1500(a*b);
415 INSERT INTO t1500(a,b) VALUES(1,2);
416 REPLACE INTO t1500(a,b) VALUES(1,3); -- formerly caused assertion fault
420 # 2018-01-03 OSSFuzz discovers another test case for the same problem
423 do_execsql_test indexexpr1-1510 {
424 DROP TABLE IF EXISTS t1;
425 CREATE TABLE t1(a PRIMARY KEY,b UNIQUE);
426 REPLACE INTO t1 VALUES(2, 1);
427 REPLACE INTO t1 SELECT 6,1;
428 CREATE INDEX t1aa ON t1(a-a);
429 REPLACE INTO t1 SELECT a, randomblob(a) FROM t1
432 # 2018-01-31 https://www.sqlite.org/src/tktview/343634942dd54ab57b702411
433 # When an index on an expression depends on the string representation of
434 # a numeric table column, trouble can arise since there are multiple
435 # string that can map to the same numeric value. (Ex: 123, 0123, 000123).
437 do_execsql_test indexexpr1-1600 {
438 DROP TABLE IF EXISTS t1;
439 CREATE TABLE t1 (a INTEGER, b);
440 CREATE INDEX idx1 ON t1 (lower(a));
441 INSERT INTO t1 VALUES('0001234',3);
442 PRAGMA integrity_check;
444 do_execsql_test indexexpr1-1610 {
445 INSERT INTO t1 VALUES('1234',0),('001234',2),('01234',1);
446 SELECT b FROM t1 WHERE lower(a)='1234' ORDER BY +b;
448 do_execsql_test indexexpr1-1620 {
449 SELECT b FROM t1 WHERE lower(a)='01234' ORDER BY +b;
452 # 2019-08-09 https://www.sqlite.org/src/info/9080b6227fabb466
453 # ExprImpliesExpr theorem prover bug:
454 # "(NULL IS FALSE) IS FALSE" does not imply "NULL IS NULL"
456 do_execsql_test indexexpr1-1700 {
457 DROP TABLE IF EXISTS t0;
459 INSERT INTO t0(c0) VALUES (0);
460 CREATE INDEX i0 ON t0(NULL > c0) WHERE (NULL NOT NULL);
461 SELECT * FROM t0 WHERE ((NULL IS FALSE) IS FALSE);
464 # 2019-09-02 https://www.sqlite.org/src/tktview/57af00b6642ecd6848
465 # When the expression of an an index-on-expression references a
466 # table column of type REAL that is actually holding an MEM_IntReal
467 # value, be sure to use the REAL value and not the INT value when
468 # computing the expression.
470 ifcapable like_match_blobs {
471 do_execsql_test indexexpr1-1800 {
472 DROP TABLE IF EXISTS t0;
473 CREATE TABLE t0(c0 REAL, c1 TEXT);
474 CREATE INDEX i0 ON t0(+c0, c0);
475 INSERT INTO t0(c0) VALUES(0);
476 SELECT CAST(+ t0.c0 AS BLOB) LIKE 0 FROM t0;
478 do_execsql_test indexexpr1-1810 {
479 SELECT CAST(+ t0.c0 AS BLOB) LIKE '0.0' FROM t0;
481 do_execsql_test indexexpr1-1820 {
482 DROP TABLE IF EXISTS t1;
483 CREATE TABLE t1(x REAL);
484 CREATE INDEX t1x ON t1(x, +x);
485 INSERT INTO t1(x) VALUES(2);
486 SELECT +x FROM t1 WHERE x=2;
490 # 2022-04-30 https://sqlite.org/forum/info/7efabf4b03328e57
491 # Assertion fault during a DELETE INDEXED BY.
494 do_execsql_test indexexpr1-1900 {
495 CREATE TABLE t1(x TEXT PRIMARY KEY, y TEXT, z INT);
496 INSERT INTO t1(x,y,z) VALUES('alpha','ALPHA',1),('bravo','charlie',1);
497 CREATE INDEX i1 ON t1(+y COLLATE NOCASE);
499 } {alpha ALPHA 1 bravo charlie 1}
500 do_execsql_test indexexpr1-1910 {
501 DELETE FROM t1 INDEXED BY i1
502 WHERE x IS +y COLLATE NOCASE IN (SELECT z FROM t1)
505 do_execsql_test indexexpr1-1920 {
509 # 2022-11-28 Ticket 695a1a53de
510 # Improved ability to recognize that an index on an expression is a
514 do_execsql_test indexexpr1-2000 {
515 CREATE TABLE t1(a INT, b TEXT);
516 INSERT INTO t1(a,b) VALUES
517 (10, '{"one":5,"two":6}'),
518 (10, '{"one":50,"two":60}'),
519 (10, '{"three":99}'),
520 (11, '{"one":100,"two":200}');
521 CREATE INDEX t1_one ON t1(a, b->>'one');
522 CREATE INDEX t1_two ON t1(a, b->>'two');
524 do_execsql_test indexexpr1-2010 {
526 SELECT sum(b->>'one') FROM t1 WHERE a=10; /* Query AA */
528 do_execsql_test indexexpr1-2011 {
529 SELECT sum(b->>'one') FROM t1 WHERE a=10; /* Query AA */
531 do_execsql_test indexexpr1-2020 {
533 SELECT sum(b->>'two') FROM t1 WHERE a=10; /* Query BB */
535 do_execsql_test indexexpr1-2021 {
536 SELECT sum(b->>'two') FROM t1 WHERE a=10; /* Query BB */
538 do_execsql_test indexexpr1-2030 {
540 CREATE TABLE t1(a INT, b TEXT, c INT, d INT);
541 INSERT INTO t1(a,b,c,d) VALUES
542 (1, '{"x":1}', 12, 3),
543 (1, '{"x":2}', 4, 5),
544 (1, '{"x":1}', 6, 11),
545 (2, '{"x":1}', 22, 3),
546 (2, '{"x":2}', 4, 5),
547 (3, '{"x":1}', 6, 7);
548 CREATE INDEX t1x ON t1(d, a, b->>'x', c);
550 do_execsql_test indexexpr1-2030 {
553 SUM(CASE WHEN b->>'x'=1 THEN 1 END) AS t2,
555 SUM(CASE WHEN b->>'x'=1 THEN c END) AS t4
558 do_execsql_test indexexpr1-2030 {
562 SUM(CASE WHEN b->>'x'=1 THEN 1 END) AS t2,
564 SUM(CASE WHEN b->>'x'=1 THEN c END) AS t4
566 } {/.*SCAN t1 USING INDEX t1x.*/}
569 do_execsql_test indexexpr1-2100 {
570 CREATE TABLE t1(a INTEGER PRIMARY KEY, b INT);
571 INSERT INTO t1(a,b) VALUES(1,0);
572 CREATE INDEX x1 ON t1( "y" );
573 CREATE INDEX x2 ON t1( +"y" );
574 CREATE INDEX x3 ON t1( +'y' );
575 CREATE INDEX x4 ON t1( "y*" );
577 do_execsql_test indexexpr1-2110 {
578 UPDATE t1 SET b=100 WHERE (SELECT 'y') GLOB "y";
581 do_execsql_test indexexpr1-2120 {
582 UPDATE t1 SET b=200 WHERE (SELECT 'y') GLOB +"y";
585 do_execsql_test indexexpr1-2130 {
586 UPDATE t1 SET b=300 WHERE (SELECT 'y') GLOB +'y';
589 do_execsql_test indexexpr1-2140 {
590 UPDATE t1 SET b=400 WHERE (SELECT 'y') GLOB "y*";
594 # 2023-04-18 Forum post https://sqlite.org/forum/forumpost/f34e32d120 from
597 # This problem originates at check-in b9190d3da70c4171 (2022-11-25).
598 # A similar problem arose on 2023-03-04 at
599 # https://sqlite.org/forum/forumpost/a68313d054 and was fixed at
600 # check-in e06973876993926f. See the test case tkt-99378-400.
603 do_execsql_test indexexpr1-2200 {
604 CREATE TABLE t1(id INTEGER PRIMARY KEY, tag INT);
605 INSERT INTO t1 VALUES (0, 7), (1, 8);
606 CREATE TABLE t2(type INT, t1_id INT, value INT);
607 INSERT INTO t2 VALUES (0, 0, 100), (0, 1, 101);
608 CREATE INDEX t1x ON t1(-tag);
609 SELECT u.tag, v.max_value
610 FROM (SELECT tag FROM t1 GROUP BY -tag) u
611 JOIN (SELECT t1.tag AS "tag", t2.type AS "type",
612 MAX(t2.value) AS "max_value"
614 JOIN t2 ON t2.t1_id = t1.id
615 GROUP BY t2.type, t1.tag
616 ) v ON v.type = 0 AND v.tag = u.tag;