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| 1 # 2002 May 24 | |
| 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. | |
| 12 # | |
| 13 # This file implements tests for joins, including outer joins. | |
| 14 # | |
| 15 # $Id: join.test,v 1.27 2009/07/01 16:12:08 danielk1977 Exp $ | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 | |
| 20 do_test join-1.1 { | |
| 21 execsql { | |
| 22 CREATE TABLE t1(a,b,c); | |
| 23 INSERT INTO t1 VALUES(1,2,3); | |
| 24 INSERT INTO t1 VALUES(2,3,4); | |
| 25 INSERT INTO t1 VALUES(3,4,5); | |
| 26 SELECT * FROM t1; | |
| 27 } | |
| 28 } {1 2 3 2 3 4 3 4 5} | |
| 29 do_test join-1.2 { | |
| 30 execsql { | |
| 31 CREATE TABLE t2(b,c,d); | |
| 32 INSERT INTO t2 VALUES(1,2,3); | |
| 33 INSERT INTO t2 VALUES(2,3,4); | |
| 34 INSERT INTO t2 VALUES(3,4,5); | |
| 35 SELECT * FROM t2; | |
| 36 } | |
| 37 } {1 2 3 2 3 4 3 4 5} | |
| 38 | |
| 39 do_test join-1.3 { | |
| 40 execsql2 { | |
| 41 SELECT * FROM t1 NATURAL JOIN t2; | |
| 42 } | |
| 43 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} | |
| 44 do_test join-1.3.1 { | |
| 45 execsql2 { | |
| 46 SELECT * FROM t2 NATURAL JOIN t1; | |
| 47 } | |
| 48 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} | |
| 49 do_test join-1.3.2 { | |
| 50 execsql2 { | |
| 51 SELECT * FROM t2 AS x NATURAL JOIN t1; | |
| 52 } | |
| 53 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} | |
| 54 do_test join-1.3.3 { | |
| 55 execsql2 { | |
| 56 SELECT * FROM t2 NATURAL JOIN t1 AS y; | |
| 57 } | |
| 58 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} | |
| 59 do_test join-1.3.4 { | |
| 60 execsql { | |
| 61 SELECT b FROM t1 NATURAL JOIN t2; | |
| 62 } | |
| 63 } {2 3} | |
| 64 | |
| 65 # ticket #3522 | |
| 66 do_test join-1.3.5 { | |
| 67 execsql2 { | |
| 68 SELECT t2.* FROM t2 NATURAL JOIN t1 | |
| 69 } | |
| 70 } {b 2 c 3 d 4 b 3 c 4 d 5} | |
| 71 do_test join-1.3.6 { | |
| 72 execsql2 { | |
| 73 SELECT xyzzy.* FROM t2 AS xyzzy NATURAL JOIN t1 | |
| 74 } | |
| 75 } {b 2 c 3 d 4 b 3 c 4 d 5} | |
| 76 do_test join-1.3.7 { | |
| 77 execsql2 { | |
| 78 SELECT t1.* FROM t2 NATURAL JOIN t1 | |
| 79 } | |
| 80 } {a 1 b 2 c 3 a 2 b 3 c 4} | |
| 81 do_test join-1.3.8 { | |
| 82 execsql2 { | |
| 83 SELECT xyzzy.* FROM t2 NATURAL JOIN t1 AS xyzzy | |
| 84 } | |
| 85 } {a 1 b 2 c 3 a 2 b 3 c 4} | |
| 86 do_test join-1.3.9 { | |
| 87 execsql2 { | |
| 88 SELECT aaa.*, bbb.* FROM t2 AS aaa NATURAL JOIN t1 AS bbb | |
| 89 } | |
| 90 } {b 2 c 3 d 4 a 1 b 2 c 3 b 3 c 4 d 5 a 2 b 3 c 4} | |
| 91 do_test join-1.3.10 { | |
| 92 execsql2 { | |
| 93 SELECT t1.*, t2.* FROM t2 NATURAL JOIN t1 | |
| 94 } | |
| 95 } {a 1 b 2 c 3 b 2 c 3 d 4 a 2 b 3 c 4 b 3 c 4 d 5} | |
| 96 | |
| 97 | |
| 98 do_test join-1.4.1 { | |
| 99 execsql2 { | |
| 100 SELECT * FROM t1 INNER JOIN t2 USING(b,c); | |
| 101 } | |
| 102 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} | |
| 103 do_test join-1.4.2 { | |
| 104 execsql2 { | |
| 105 SELECT * FROM t1 AS x INNER JOIN t2 USING(b,c); | |
| 106 } | |
| 107 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} | |
| 108 do_test join-1.4.3 { | |
| 109 execsql2 { | |
| 110 SELECT * FROM t1 INNER JOIN t2 AS y USING(b,c); | |
| 111 } | |
| 112 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} | |
| 113 do_test join-1.4.4 { | |
| 114 execsql2 { | |
| 115 SELECT * FROM t1 AS x INNER JOIN t2 AS y USING(b,c); | |
| 116 } | |
| 117 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} | |
| 118 do_test join-1.4.5 { | |
| 119 execsql { | |
| 120 SELECT b FROM t1 JOIN t2 USING(b); | |
| 121 } | |
| 122 } {2 3} | |
| 123 | |
| 124 # Ticket #3522 | |
| 125 do_test join-1.4.6 { | |
| 126 execsql2 { | |
| 127 SELECT t1.* FROM t1 JOIN t2 USING(b); | |
| 128 } | |
| 129 } {a 1 b 2 c 3 a 2 b 3 c 4} | |
| 130 do_test join-1.4.7 { | |
| 131 execsql2 { | |
| 132 SELECT t2.* FROM t1 JOIN t2 USING(b); | |
| 133 } | |
| 134 } {b 2 c 3 d 4 b 3 c 4 d 5} | |
| 135 | |
| 136 do_test join-1.5 { | |
| 137 execsql2 { | |
| 138 SELECT * FROM t1 INNER JOIN t2 USING(b); | |
| 139 } | |
| 140 } {a 1 b 2 c 3 c 3 d 4 a 2 b 3 c 4 c 4 d 5} | |
| 141 do_test join-1.6 { | |
| 142 execsql2 { | |
| 143 SELECT * FROM t1 INNER JOIN t2 USING(c); | |
| 144 } | |
| 145 } {a 1 b 2 c 3 b 2 d 4 a 2 b 3 c 4 b 3 d 5} | |
| 146 do_test join-1.7 { | |
| 147 execsql2 { | |
| 148 SELECT * FROM t1 INNER JOIN t2 USING(c,b); | |
| 149 } | |
| 150 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} | |
| 151 | |
| 152 do_test join-1.8 { | |
| 153 execsql { | |
| 154 SELECT * FROM t1 NATURAL CROSS JOIN t2; | |
| 155 } | |
| 156 } {1 2 3 4 2 3 4 5} | |
| 157 do_test join-1.9 { | |
| 158 execsql { | |
| 159 SELECT * FROM t1 CROSS JOIN t2 USING(b,c); | |
| 160 } | |
| 161 } {1 2 3 4 2 3 4 5} | |
| 162 do_test join-1.10 { | |
| 163 execsql { | |
| 164 SELECT * FROM t1 NATURAL INNER JOIN t2; | |
| 165 } | |
| 166 } {1 2 3 4 2 3 4 5} | |
| 167 do_test join-1.11 { | |
| 168 execsql { | |
| 169 SELECT * FROM t1 INNER JOIN t2 USING(b,c); | |
| 170 } | |
| 171 } {1 2 3 4 2 3 4 5} | |
| 172 do_test join-1.12 { | |
| 173 execsql { | |
| 174 SELECT * FROM t1 natural inner join t2; | |
| 175 } | |
| 176 } {1 2 3 4 2 3 4 5} | |
| 177 | |
| 178 ifcapable subquery { | |
| 179 do_test join-1.13 { | |
| 180 execsql2 { | |
| 181 SELECT * FROM t1 NATURAL JOIN | |
| 182 (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3 | |
| 183 } | |
| 184 } {a 1 b 2 c 3 d 4 e 5} | |
| 185 do_test join-1.14 { | |
| 186 execsql2 { | |
| 187 SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx' | |
| 188 NATURAL JOIN t1 | |
| 189 } | |
| 190 } {c 3 d 4 e 5 a 1 b 2} | |
| 191 } | |
| 192 | |
| 193 do_test join-1.15 { | |
| 194 execsql { | |
| 195 CREATE TABLE t3(c,d,e); | |
| 196 INSERT INTO t3 VALUES(2,3,4); | |
| 197 INSERT INTO t3 VALUES(3,4,5); | |
| 198 INSERT INTO t3 VALUES(4,5,6); | |
| 199 SELECT * FROM t3; | |
| 200 } | |
| 201 } {2 3 4 3 4 5 4 5 6} | |
| 202 do_test join-1.16 { | |
| 203 execsql { | |
| 204 SELECT * FROM t1 natural join t2 natural join t3; | |
| 205 } | |
| 206 } {1 2 3 4 5 2 3 4 5 6} | |
| 207 do_test join-1.17 { | |
| 208 execsql2 { | |
| 209 SELECT * FROM t1 natural join t2 natural join t3; | |
| 210 } | |
| 211 } {a 1 b 2 c 3 d 4 e 5 a 2 b 3 c 4 d 5 e 6} | |
| 212 do_test join-1.18 { | |
| 213 execsql { | |
| 214 CREATE TABLE t4(d,e,f); | |
| 215 INSERT INTO t4 VALUES(2,3,4); | |
| 216 INSERT INTO t4 VALUES(3,4,5); | |
| 217 INSERT INTO t4 VALUES(4,5,6); | |
| 218 SELECT * FROM t4; | |
| 219 } | |
| 220 } {2 3 4 3 4 5 4 5 6} | |
| 221 do_test join-1.19.1 { | |
| 222 execsql { | |
| 223 SELECT * FROM t1 natural join t2 natural join t4; | |
| 224 } | |
| 225 } {1 2 3 4 5 6} | |
| 226 do_test join-1.19.2 { | |
| 227 execsql2 { | |
| 228 SELECT * FROM t1 natural join t2 natural join t4; | |
| 229 } | |
| 230 } {a 1 b 2 c 3 d 4 e 5 f 6} | |
| 231 do_test join-1.20 { | |
| 232 execsql { | |
| 233 SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1 | |
| 234 } | |
| 235 } {1 2 3 4 5} | |
| 236 | |
| 237 do_test join-2.1 { | |
| 238 execsql { | |
| 239 SELECT * FROM t1 NATURAL LEFT JOIN t2; | |
| 240 } | |
| 241 } {1 2 3 4 2 3 4 5 3 4 5 {}} | |
| 242 | |
| 243 # ticket #3522 | |
| 244 do_test join-2.1.1 { | |
| 245 execsql2 { | |
| 246 SELECT * FROM t1 NATURAL LEFT JOIN t2; | |
| 247 } | |
| 248 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5 a 3 b 4 c 5 d {}} | |
| 249 do_test join-2.1.2 { | |
| 250 execsql2 { | |
| 251 SELECT t1.* FROM t1 NATURAL LEFT JOIN t2; | |
| 252 } | |
| 253 } {a 1 b 2 c 3 a 2 b 3 c 4 a 3 b 4 c 5} | |
| 254 do_test join-2.1.3 { | |
| 255 execsql2 { | |
| 256 SELECT t2.* FROM t1 NATURAL LEFT JOIN t2; | |
| 257 } | |
| 258 } {b 2 c 3 d 4 b 3 c 4 d 5 b {} c {} d {}} | |
| 259 | |
| 260 do_test join-2.2 { | |
| 261 execsql { | |
| 262 SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1; | |
| 263 } | |
| 264 } {1 2 3 {} 2 3 4 1 3 4 5 2} | |
| 265 do_test join-2.3 { | |
| 266 catchsql { | |
| 267 SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2; | |
| 268 } | |
| 269 } {1 {RIGHT and FULL OUTER JOINs are not currently supported}} | |
| 270 do_test join-2.4 { | |
| 271 execsql { | |
| 272 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d | |
| 273 } | |
| 274 } {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3} | |
| 275 do_test join-2.5 { | |
| 276 execsql { | |
| 277 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1 | |
| 278 } | |
| 279 } {2 3 4 {} {} {} 3 4 5 1 2 3} | |
| 280 do_test join-2.6 { | |
| 281 execsql { | |
| 282 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1 | |
| 283 } | |
| 284 } {1 2 3 {} {} {} 2 3 4 {} {} {}} | |
| 285 | |
| 286 do_test join-3.1 { | |
| 287 catchsql { | |
| 288 SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b; | |
| 289 } | |
| 290 } {1 {a NATURAL join may not have an ON or USING clause}} | |
| 291 do_test join-3.2 { | |
| 292 catchsql { | |
| 293 SELECT * FROM t1 NATURAL JOIN t2 USING(b); | |
| 294 } | |
| 295 } {1 {a NATURAL join may not have an ON or USING clause}} | |
| 296 do_test join-3.3 { | |
| 297 catchsql { | |
| 298 SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b); | |
| 299 } | |
| 300 } {1 {cannot have both ON and USING clauses in the same join}} | |
| 301 do_test join-3.4.1 { | |
| 302 catchsql { | |
| 303 SELECT * FROM t1 JOIN t2 USING(a); | |
| 304 } | |
| 305 } {1 {cannot join using column a - column not present in both tables}} | |
| 306 do_test join-3.4.2 { | |
| 307 catchsql { | |
| 308 SELECT * FROM t1 JOIN t2 USING(d); | |
| 309 } | |
| 310 } {1 {cannot join using column d - column not present in both tables}} | |
| 311 do_test join-3.5 { | |
| 312 catchsql { SELECT * FROM t1 USING(a) } | |
| 313 } {1 {a JOIN clause is required before USING}} | |
| 314 do_test join-3.6 { | |
| 315 catchsql { | |
| 316 SELECT * FROM t1 JOIN t2 ON t3.a=t2.b; | |
| 317 } | |
| 318 } {1 {no such column: t3.a}} | |
| 319 do_test join-3.7 { | |
| 320 catchsql { | |
| 321 SELECT * FROM t1 INNER OUTER JOIN t2; | |
| 322 } | |
| 323 } {1 {unknown or unsupported join type: INNER OUTER}} | |
| 324 do_test join-3.8 { | |
| 325 catchsql { | |
| 326 SELECT * FROM t1 INNER OUTER CROSS JOIN t2; | |
| 327 } | |
| 328 } {1 {unknown or unsupported join type: INNER OUTER CROSS}} | |
| 329 do_test join-3.9 { | |
| 330 catchsql { | |
| 331 SELECT * FROM t1 OUTER NATURAL INNER JOIN t2; | |
| 332 } | |
| 333 } {1 {unknown or unsupported join type: OUTER NATURAL INNER}} | |
| 334 do_test join-3.10 { | |
| 335 catchsql { | |
| 336 SELECT * FROM t1 LEFT BOGUS JOIN t2; | |
| 337 } | |
| 338 } {1 {unknown or unsupported join type: LEFT BOGUS}} | |
| 339 do_test join-3.11 { | |
| 340 catchsql { | |
| 341 SELECT * FROM t1 INNER BOGUS CROSS JOIN t2; | |
| 342 } | |
| 343 } {1 {unknown or unsupported join type: INNER BOGUS CROSS}} | |
| 344 do_test join-3.12 { | |
| 345 catchsql { | |
| 346 SELECT * FROM t1 NATURAL AWK SED JOIN t2; | |
| 347 } | |
| 348 } {1 {unknown or unsupported join type: NATURAL AWK SED}} | |
| 349 | |
| 350 do_test join-4.1 { | |
| 351 execsql { | |
| 352 BEGIN; | |
| 353 CREATE TABLE t5(a INTEGER PRIMARY KEY); | |
| 354 CREATE TABLE t6(a INTEGER); | |
| 355 INSERT INTO t6 VALUES(NULL); | |
| 356 INSERT INTO t6 VALUES(NULL); | |
| 357 INSERT INTO t6 SELECT * FROM t6; | |
| 358 INSERT INTO t6 SELECT * FROM t6; | |
| 359 INSERT INTO t6 SELECT * FROM t6; | |
| 360 INSERT INTO t6 SELECT * FROM t6; | |
| 361 INSERT INTO t6 SELECT * FROM t6; | |
| 362 INSERT INTO t6 SELECT * FROM t6; | |
| 363 COMMIT; | |
| 364 } | |
| 365 execsql { | |
| 366 SELECT * FROM t6 NATURAL JOIN t5; | |
| 367 } | |
| 368 } {} | |
| 369 do_test join-4.2 { | |
| 370 execsql { | |
| 371 SELECT * FROM t6, t5 WHERE t6.a<t5.a; | |
| 372 } | |
| 373 } {} | |
| 374 do_test join-4.3 { | |
| 375 execsql { | |
| 376 SELECT * FROM t6, t5 WHERE t6.a>t5.a; | |
| 377 } | |
| 378 } {} | |
| 379 do_test join-4.4 { | |
| 380 execsql { | |
| 381 UPDATE t6 SET a='xyz'; | |
| 382 SELECT * FROM t6 NATURAL JOIN t5; | |
| 383 } | |
| 384 } {} | |
| 385 do_test join-4.6 { | |
| 386 execsql { | |
| 387 SELECT * FROM t6, t5 WHERE t6.a<t5.a; | |
| 388 } | |
| 389 } {} | |
| 390 do_test join-4.7 { | |
| 391 execsql { | |
| 392 SELECT * FROM t6, t5 WHERE t6.a>t5.a; | |
| 393 } | |
| 394 } {} | |
| 395 do_test join-4.8 { | |
| 396 execsql { | |
| 397 UPDATE t6 SET a=1; | |
| 398 SELECT * FROM t6 NATURAL JOIN t5; | |
| 399 } | |
| 400 } {} | |
| 401 do_test join-4.9 { | |
| 402 execsql { | |
| 403 SELECT * FROM t6, t5 WHERE t6.a<t5.a; | |
| 404 } | |
| 405 } {} | |
| 406 do_test join-4.10 { | |
| 407 execsql { | |
| 408 SELECT * FROM t6, t5 WHERE t6.a>t5.a; | |
| 409 } | |
| 410 } {} | |
| 411 | |
| 412 do_test join-5.1 { | |
| 413 execsql { | |
| 414 BEGIN; | |
| 415 create table centros (id integer primary key, centro); | |
| 416 INSERT INTO centros VALUES(1,'xxx'); | |
| 417 create table usuarios (id integer primary key, nombre, apellidos, | |
| 418 idcentro integer); | |
| 419 INSERT INTO usuarios VALUES(1,'a','aa',1); | |
| 420 INSERT INTO usuarios VALUES(2,'b','bb',1); | |
| 421 INSERT INTO usuarios VALUES(3,'c','cc',NULL); | |
| 422 create index idcentro on usuarios (idcentro); | |
| 423 END; | |
| 424 select usuarios.id, usuarios.nombre, centros.centro from | |
| 425 usuarios left outer join centros on usuarios.idcentro = centros.id; | |
| 426 } | |
| 427 } {1 a xxx 2 b xxx 3 c {}} | |
| 428 | |
| 429 # A test for ticket #247. | |
| 430 # | |
| 431 do_test join-7.1 { | |
| 432 execsql { | |
| 433 CREATE TABLE t7 (x, y); | |
| 434 INSERT INTO t7 VALUES ("pa1", 1); | |
| 435 INSERT INTO t7 VALUES ("pa2", NULL); | |
| 436 INSERT INTO t7 VALUES ("pa3", NULL); | |
| 437 INSERT INTO t7 VALUES ("pa4", 2); | |
| 438 INSERT INTO t7 VALUES ("pa30", 131); | |
| 439 INSERT INTO t7 VALUES ("pa31", 130); | |
| 440 INSERT INTO t7 VALUES ("pa28", NULL); | |
| 441 | |
| 442 CREATE TABLE t8 (a integer primary key, b); | |
| 443 INSERT INTO t8 VALUES (1, "pa1"); | |
| 444 INSERT INTO t8 VALUES (2, "pa4"); | |
| 445 INSERT INTO t8 VALUES (3, NULL); | |
| 446 INSERT INTO t8 VALUES (4, NULL); | |
| 447 INSERT INTO t8 VALUES (130, "pa31"); | |
| 448 INSERT INTO t8 VALUES (131, "pa30"); | |
| 449 | |
| 450 SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a; | |
| 451 } | |
| 452 } {1 999 999 2 131 130 999} | |
| 453 | |
| 454 # Make sure a left join where the right table is really a view that | |
| 455 # is itself a join works right. Ticket #306. | |
| 456 # | |
| 457 ifcapable view { | |
| 458 do_test join-8.1 { | |
| 459 execsql { | |
| 460 BEGIN; | |
| 461 CREATE TABLE t9(a INTEGER PRIMARY KEY, b); | |
| 462 INSERT INTO t9 VALUES(1,11); | |
| 463 INSERT INTO t9 VALUES(2,22); | |
| 464 CREATE TABLE t10(x INTEGER PRIMARY KEY, y); | |
| 465 INSERT INTO t10 VALUES(1,2); | |
| 466 INSERT INTO t10 VALUES(3,3); | |
| 467 CREATE TABLE t11(p INTEGER PRIMARY KEY, q); | |
| 468 INSERT INTO t11 VALUES(2,111); | |
| 469 INSERT INTO t11 VALUES(3,333); | |
| 470 CREATE VIEW v10_11 AS SELECT x, q FROM t10, t11 WHERE t10.y=t11.p; | |
| 471 COMMIT; | |
| 472 SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x ); | |
| 473 } | |
| 474 } {1 11 1 111 2 22 {} {}} | |
| 475 ifcapable subquery { | |
| 476 do_test join-8.2 { | |
| 477 execsql { | |
| 478 SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p) | |
| 479 ON( a=x); | |
| 480 } | |
| 481 } {1 11 1 111 2 22 {} {}} | |
| 482 } | |
| 483 do_test join-8.3 { | |
| 484 execsql { | |
| 485 SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x ); | |
| 486 } | |
| 487 } {1 111 1 11 3 333 {} {}} | |
| 488 ifcapable subquery { | |
| 489 # Constant expressions in a subquery that is the right element of a | |
| 490 # LEFT JOIN evaluate to NULL for rows where the LEFT JOIN does not | |
| 491 # match. Ticket #3300 | |
| 492 do_test join-8.4 { | |
| 493 execsql { | |
| 494 SELECT * FROM t9 LEFT JOIN (SELECT 44, p, q FROM t11) AS sub1 ON p=a | |
| 495 } | |
| 496 } {1 11 {} {} {} 2 22 44 2 111} | |
| 497 } | |
| 498 } ;# ifcapable view | |
| 499 | |
| 500 # Ticket #350 describes a scenario where LEFT OUTER JOIN does not | |
| 501 # function correctly if the right table in the join is really | |
| 502 # subquery. | |
| 503 # | |
| 504 # To test the problem, we generate the same LEFT OUTER JOIN in two | |
| 505 # separate selects but with on using a subquery and the other calling | |
| 506 # the table directly. Then connect the two SELECTs using an EXCEPT. | |
| 507 # Both queries should generate the same results so the answer should | |
| 508 # be an empty set. | |
| 509 # | |
| 510 ifcapable compound { | |
| 511 do_test join-9.1 { | |
| 512 execsql { | |
| 513 BEGIN; | |
| 514 CREATE TABLE t12(a,b); | |
| 515 INSERT INTO t12 VALUES(1,11); | |
| 516 INSERT INTO t12 VALUES(2,22); | |
| 517 CREATE TABLE t13(b,c); | |
| 518 INSERT INTO t13 VALUES(22,222); | |
| 519 COMMIT; | |
| 520 } | |
| 521 } {} | |
| 522 | |
| 523 ifcapable subquery { | |
| 524 do_test join-9.1.1 { | |
| 525 execsql { | |
| 526 SELECT * FROM t12 NATURAL LEFT JOIN t13 | |
| 527 EXCEPT | |
| 528 SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0); | |
| 529 } | |
| 530 } {} | |
| 531 } | |
| 532 ifcapable view { | |
| 533 do_test join-9.2 { | |
| 534 execsql { | |
| 535 CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0; | |
| 536 SELECT * FROM t12 NATURAL LEFT JOIN t13 | |
| 537 EXCEPT | |
| 538 SELECT * FROM t12 NATURAL LEFT JOIN v13; | |
| 539 } | |
| 540 } {} | |
| 541 } ;# ifcapable view | |
| 542 } ;# ifcapable compound | |
| 543 | |
| 544 ifcapable subquery { | |
| 545 # Ticket #1697: Left Join WHERE clause terms that contain an | |
| 546 # aggregate subquery. | |
| 547 # | |
| 548 do_test join-10.1 { | |
| 549 execsql { | |
| 550 CREATE TABLE t21(a,b,c); | |
| 551 CREATE TABLE t22(p,q); | |
| 552 CREATE INDEX i22 ON t22(q); | |
| 553 SELECT a FROM t21 LEFT JOIN t22 ON b=p WHERE q= | |
| 554 (SELECT max(m.q) FROM t22 m JOIN t21 n ON n.b=m.p WHERE n.c=1); | |
| 555 } | |
| 556 } {} | |
| 557 | |
| 558 # Test a LEFT JOIN when the right-hand side of hte join is an empty | |
| 559 # sub-query. Seems fine. | |
| 560 # | |
| 561 do_test join-10.2 { | |
| 562 execsql { | |
| 563 CREATE TABLE t23(a, b, c); | |
| 564 CREATE TABLE t24(a, b, c); | |
| 565 INSERT INTO t23 VALUES(1, 2, 3); | |
| 566 } | |
| 567 execsql { | |
| 568 SELECT * FROM t23 LEFT JOIN t24; | |
| 569 } | |
| 570 } {1 2 3 {} {} {}} | |
| 571 do_test join-10.3 { | |
| 572 execsql { | |
| 573 SELECT * FROM t23 LEFT JOIN (SELECT * FROM t24); | |
| 574 } | |
| 575 } {1 2 3 {} {} {}} | |
| 576 | |
| 577 } ;# ifcapable subquery | |
| 578 | |
| 579 finish_test | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 3108030:
Move bundled copy of sqlite one level deeper to better separate it... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/