1# 2015-08-31 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 12# focus of this file is testing indexes on expressions. 13# 14 15set testdir [file dirname $argv0] 16source $testdir/tester.tcl 17 18do_execsql_test indexexpr1-100 { 19 CREATE TABLE t1(a,b,c); 20 INSERT INTO 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)); 29} {} 30do_execsql_test indexexpr1-110 { 31 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c; 32} {1 2 | 1 3 |} 33do_execsql_test indexexpr1-110eqp { 34 EXPLAIN QUERY PLAN 35 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c; 36} {/USING INDEX t1a1/} 37do_execsql_test indexexpr1-120 { 38 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c; 39} {1 2 | 1 3 |} 40do_execsql_test indexexpr1-120eqp { 41 EXPLAIN QUERY PLAN 42 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c; 43} {/USING INDEX t1a1/} 44 45do_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; 48} {2 3} 49do_execsql_test indexexpr1-130eqp { 50 EXPLAIN QUERY PLAN 51 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c; 52} {/USING INDEX t1ba/} 53 54do_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 |} 57do_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; 60} {1 2 3} 61do_execsql_test indexexpr1-141eqp { 62 EXPLAIN QUERY PLAN 63 SELECT rowid FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +rowid; 64} {/USING INDEX t1abx/} 65do_execsql_test indexexpr1-142 { 66 SELECT rowid FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +rowid; 67} {1 2 3} 68do_execsql_test indexexpr1-150 { 69 SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz') 70 ORDER BY +rowid; 71} {2 3 5} 72do_execsql_test indexexpr1-150eqp { 73 EXPLAIN QUERY PLAN 74 SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz') 75 ORDER BY +rowid; 76} {/USING INDEX t1abx/} 77 78ifcapable 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; 85 } {1 1 1} 86 do_execsql_test indexexpr1-160eqp { 87 EXPLAIN QUERY PLAN 88 SELECT rowid, b, c FROM t1 89 WHERE substr(a,27,3)=='ord' AND d>=29; 90 } {/USING INDEX t1a2/} 91} 92 93# ORDER BY using an indexed expression 94# 95do_execsql_test indexexpr1-170 { 96 CREATE INDEX t1alen ON t1(length(a)); 97 SELECT length(a) FROM t1 ORDER BY length(a); 98} {20 25 27 29 38 52} 99do_execsql_test indexexpr1-170eqp { 100 EXPLAIN QUERY PLAN 101 SELECT length(a) FROM t1 ORDER BY length(a); 102} {/SCAN t1 USING INDEX t1alen/} 103do_execsql_test indexexpr1-171 { 104 SELECT length(a) FROM t1 ORDER BY length(a) DESC; 105} {52 38 29 27 25 20} 106do_execsql_test indexexpr1-171eqp { 107 EXPLAIN QUERY PLAN 108 SELECT length(a) FROM t1 ORDER BY length(a) DESC; 109} {/SCAN t1 USING INDEX t1alen/} 110 111do_execsql_test indexexpr1-200 { 112 DROP TABLE t1; 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)); 122} {} 123do_execsql_test indexexpr1-210 { 124 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c; 125} {1 2 | 1 3 |} 126do_execsql_test indexexpr1-210eqp { 127 EXPLAIN QUERY PLAN 128 SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c; 129} {/USING INDEX t1a1/} 130do_execsql_test indexexpr1-220 { 131 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c; 132} {1 2 | 1 3 |} 133do_execsql_test indexexpr1-220eqp { 134 EXPLAIN QUERY PLAN 135 SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c; 136} {/USING INDEX t1a1/} 137 138do_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; 141} {2 3} 142do_execsql_test indexexpr1-230eqp { 143 EXPLAIN QUERY PLAN 144 SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c; 145} {/USING INDEX t1ba/} 146 147do_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 |} 150do_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; 153} {1 2 3} 154do_execsql_test indexexpr1-241eqp { 155 EXPLAIN QUERY PLAN 156 SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id; 157} {/USING INDEX t1abx/} 158do_execsql_test indexexpr1-242 { 159 SELECT id FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +id; 160} {1 2 3} 161do_execsql_test indexexpr1-250 { 162 SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz') 163 ORDER BY +id; 164} {2 3 5} 165do_execsql_test indexexpr1-250eqp { 166 EXPLAIN QUERY PLAN 167 SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz') 168 ORDER BY +id; 169} {/USING INDEX t1abx/} 170 171ifcapable 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; 178 } {1 1 1} 179 do_execsql_test indexexpr1-260eqp { 180 EXPLAIN QUERY PLAN 181 SELECT id, b, c FROM t1 182 WHERE substr(a,27,3)=='ord' AND d>=29; 183 } {/USING INDEX t1a2/} 184} 185 186 187do_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}} 191do_catchsql_test indexexpr1-301 { 192 CREATE INDEX t2x1 ON t2(julianday('now',a)); 193} {1 {non-deterministic use of julianday() in an index}} 194do_catchsql_test indexexpr1-310 { 195 CREATE INDEX t2x2 ON t2(a,b+(SELECT 15)); 196} {1 {subqueries prohibited in index expressions}} 197do_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}} 200do_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}} 203do_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}} 206do_catchsql_test indexexpr1-340 { 207 CREATE TABLE e1(x,y,FOREIGN KEY(substr(y,1,5)) REFERENCES t1); 208} {1 {near "(": syntax error}} 209 210do_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; 218} {1 10 ok} 219do_catchsql_test indexexpr1-410 { 220 INSERT INTO t3 SELECT * FROM t3 WHERE rowid=10; 221} {1 {UNIQUE constraint failed: index 't3abc'}} 222 223do_execsql_test indexexpr1-500 { 224 CREATE TABLE t5(a); 225 CREATE TABLE cnt(x); 226 WITH RECURSIVE 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) ); 231} {} 232do_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} 238do_execsql_test indexexpr1-510eqp { 239 EXPLAIN QUERY PLAN 240 SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x); 241} {/USING INDEX t5ax/} 242 243# Skip-scan on an indexed expression 244# 245do_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); 250 ANALYZE; 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; 256} {9} 257 258# Indexed expressions on both sides of an == in a WHERE clause. 259# 260do_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 |} 268do_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 276 WHERE b+c=y+z 277 ORDER BY +a, +x; 278} {1 1 | 2 2 |} 279 280# Collating sequences on indexes of expressions 281# 282do_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; 288} {2 Bartholemew} 289do_catchsql_test indexexpr1-810 { 290 INSERT INTO t8(a,b) VALUES(4,'BARTHMERE'); 291} {1 {UNIQUE constraint failed: index 't8bx'}} 292do_catchsql_test indexexpr1-820 { 293 DROP INDEX t8bx; 294 CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE rtrim); 295 INSERT INTO t8(a,b) VALUES(4,'BARTHMERE'); 296} {0 {}} 297 298# Check that PRAGMA integrity_check works correctly on a 299# UNIQUE index that includes rowid and expression terms. 300# 301do_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; 309} {ok} 310do_catchsql_test indexexpr1-910 { 311 INSERT INTO t9(a,b,c,d) VALUES(5,6,7,-8); 312} {1 {UNIQUE constraint failed: index 't9x1'}} 313 314# Test cases derived from a NEVER() maro failure discovered by 315# Jonathan Metzman using AFL 316# 317do_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 |} 325do_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 |} 329 330# 2016-10-10 331# 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 334# 335do_execsql_test indexexpr1-1100 { 336 DROP TABLE IF EXISTS t1; 337 CREATE TABLE t1(a); 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} 346 347do_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); 355 356 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d; 357} { 358 0 0 0 2 0 4 2 0 2 2 4 0 359} 360do_execsql_test indexexpr1-1200.1 { 361 CREATE INDEX t10_ab ON t10(a+b); 362} 363do_execsql_test indexexpr1-1200.2 { 364 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d; 365} { 366 0 0 0 2 0 4 2 0 2 2 4 0 367} 368do_execsql_test indexexpr1-1200.3 { 369 CREATE INDEX t10_abcd ON t10(a+b,c+d); 370} 371do_execsql_test indexexpr1-1200.4 { 372 SELECT a+b, c+d FROM t10 ORDER BY a+b, c+d; 373} { 374 0 0 0 2 0 4 2 0 2 2 4 0 375} 376 377# Ticket https://www.sqlite.org/src/tktview/eb703ba7b50c1a 378# Incorrect result using an index on an expression with a collating function 379# 380do_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; 385} {3 4} 386 387# Ticket https://sqlite.org/src/tktview/aa98619a 388# Assertion fault using an index on a constant 389# 390do_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; 394} {} 395do_execsql_test indexexpr1-1410 { 396 INSERT INTO t1400 VALUES('a'),('b'); 397 SELECT 1 IN (SELECT 2) FROM t1400; 398} {0 0} 399do_execsql_test indexexpr1-1420 { 400 SELECT 1 IN (SELECT 2 UNION ALL SELECT 1) FROM t1400; 401} {1 1} 402do_execsql_test indexexpr1-1430 { 403 DROP INDEX t1400x; 404 CREATE INDEX t1400x ON t1400(abs(15+3)); 405 SELECT abs(15+3) IN (SELECT 17 UNION ALL SELECT 18) FROM t1; 406} {1 1} 407 408# 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. 411# 412do_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 417 SELECT * FROM t1500; 418} {1 3} 419 420# 2018-01-03 OSSFuzz discovers another test case for the same problem 421# above. 422# 423do_execsql_test indexexpr-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 430} {} 431 432# 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). 436# 437do_execsql_test indexexpr-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; 443} {ok} 444do_execsql_test indexexpr-1610 { 445 INSERT INTO t1 VALUES('1234',0),('001234',2),('01234',1); 446 SELECT b FROM t1 WHERE lower(a)='1234' ORDER BY +b; 447} {0 1 2 3} 448do_execsql_test indexexpr-1620 { 449 SELECT b FROM t1 WHERE lower(a)='01234' ORDER BY +b; 450} {} 451 452# 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" 455# 456do_execsql_test indexexpr-1700 { 457 DROP TABLE IF EXISTS t0; 458 CREATE TABLE t0(c0); 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); 462} {0} 463 464# 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. 469# 470ifcapable like_match_blobs { 471 do_execsql_test indexexpr-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; 477 } {0} 478 do_execsql_test indexexpr-1810 { 479 SELECT CAST(+ t0.c0 AS BLOB) LIKE '0.0' FROM t0; 480 } {1} 481 do_execsql_test indexexpr-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; 487 } {2.0} 488} 489 490# 2022-04-30 https://sqlite.org/forum/info/7efabf4b03328e57 491# Assertion fault during a DELETE INDEXED BY. 492# 493reset_db 494do_execsql_test indexexpr-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); 498 SELECT * FROM t1; 499} {alpha ALPHA 1 bravo charlie 1} 500do_execsql_test indexexpr-1910 { 501 DELETE FROM t1 INDEXED BY i1 502 WHERE x IS +y COLLATE NOCASE IN (SELECT z FROM t1) 503 RETURNING *; 504} {alpha ALPHA 1} 505do_execsql_test indexexpr-1920 { 506 SELECT * FROM t1; 507} {bravo charlie 1} 508 509finish_test 510