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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 involving |
| 14 # virtual tables. The test cases in this file are copied from the file |
| 15 # join.test, and some of the comments still reflect that. |
| 16 # |
| 17 # $Id: vtab6.test,v 1.5 2009/07/01 16:12:08 danielk1977 Exp $ |
| 18 |
| 19 set testdir [file dirname $argv0] |
| 20 source $testdir/tester.tcl |
| 21 |
| 22 ifcapable !vtab { |
| 23 finish_test |
| 24 return |
| 25 } |
| 26 |
| 27 register_echo_module [sqlite3_connection_pointer db] |
| 28 |
| 29 execsql { |
| 30 CREATE TABLE real_t1(a,b,c); |
| 31 CREATE TABLE real_t2(b,c,d); |
| 32 CREATE TABLE real_t3(c,d,e); |
| 33 CREATE TABLE real_t4(d,e,f); |
| 34 CREATE TABLE real_t5(a INTEGER PRIMARY KEY); |
| 35 CREATE TABLE real_t6(a INTEGER); |
| 36 CREATE TABLE real_t7 (x, y); |
| 37 CREATE TABLE real_t8 (a integer primary key, b); |
| 38 CREATE TABLE real_t9(a INTEGER PRIMARY KEY, b); |
| 39 CREATE TABLE real_t10(x INTEGER PRIMARY KEY, y); |
| 40 CREATE TABLE real_t11(p INTEGER PRIMARY KEY, q); |
| 41 CREATE TABLE real_t12(a,b); |
| 42 CREATE TABLE real_t13(b,c); |
| 43 CREATE TABLE real_t21(a,b,c); |
| 44 CREATE TABLE real_t22(p,q); |
| 45 } |
| 46 foreach t [list t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t21 t22] { |
| 47 execsql "CREATE VIRTUAL TABLE $t USING echo(real_$t)" |
| 48 } |
| 49 |
| 50 do_test vtab6-1.1 { |
| 51 execsql { |
| 52 INSERT INTO t1 VALUES(1,2,3); |
| 53 INSERT INTO t1 VALUES(2,3,4); |
| 54 INSERT INTO t1 VALUES(3,4,5); |
| 55 SELECT * FROM t1; |
| 56 } |
| 57 } {1 2 3 2 3 4 3 4 5} |
| 58 do_test vtab6-1.2 { |
| 59 execsql { |
| 60 INSERT INTO t2 VALUES(1,2,3); |
| 61 INSERT INTO t2 VALUES(2,3,4); |
| 62 INSERT INTO t2 VALUES(3,4,5); |
| 63 SELECT * FROM t2; |
| 64 } |
| 65 } {1 2 3 2 3 4 3 4 5} |
| 66 |
| 67 do_test vtab6-1.3 { |
| 68 execsql2 { |
| 69 SELECT * FROM t1 NATURAL JOIN t2; |
| 70 } |
| 71 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} |
| 72 do_test vtab6-1.3.1 { |
| 73 execsql2 { |
| 74 SELECT * FROM t2 NATURAL JOIN t1; |
| 75 } |
| 76 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} |
| 77 do_test vtab6-1.3.2 { |
| 78 execsql2 { |
| 79 SELECT * FROM t2 AS x NATURAL JOIN t1; |
| 80 } |
| 81 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} |
| 82 do_test vtab6-1.3.3 { |
| 83 execsql2 { |
| 84 SELECT * FROM t2 NATURAL JOIN t1 AS y; |
| 85 } |
| 86 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} |
| 87 do_test vtab6-1.3.4 { |
| 88 execsql { |
| 89 SELECT b FROM t1 NATURAL JOIN t2; |
| 90 } |
| 91 } {2 3} |
| 92 do_test vtab6-1.4.1 { |
| 93 execsql2 { |
| 94 SELECT * FROM t1 INNER JOIN t2 USING(b,c); |
| 95 } |
| 96 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} |
| 97 do_test vtab6-1.4.2 { |
| 98 execsql2 { |
| 99 SELECT * FROM t1 AS x INNER JOIN t2 USING(b,c); |
| 100 } |
| 101 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} |
| 102 do_test vtab6-1.4.3 { |
| 103 execsql2 { |
| 104 SELECT * FROM t1 INNER JOIN t2 AS y USING(b,c); |
| 105 } |
| 106 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} |
| 107 do_test vtab6-1.4.4 { |
| 108 execsql2 { |
| 109 SELECT * FROM t1 AS x INNER JOIN t2 AS y USING(b,c); |
| 110 } |
| 111 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} |
| 112 do_test vtab6-1.4.5 { |
| 113 execsql { |
| 114 SELECT b FROM t1 JOIN t2 USING(b); |
| 115 } |
| 116 } {2 3} |
| 117 do_test vtab6-1.5 { |
| 118 execsql2 { |
| 119 SELECT * FROM t1 INNER JOIN t2 USING(b); |
| 120 } |
| 121 } {a 1 b 2 c 3 c 3 d 4 a 2 b 3 c 4 c 4 d 5} |
| 122 do_test vtab6-1.6 { |
| 123 execsql2 { |
| 124 SELECT * FROM t1 INNER JOIN t2 USING(c); |
| 125 } |
| 126 } {a 1 b 2 c 3 b 2 d 4 a 2 b 3 c 4 b 3 d 5} |
| 127 do_test vtab6-1.7 { |
| 128 execsql2 { |
| 129 SELECT * FROM t1 INNER JOIN t2 USING(c,b); |
| 130 } |
| 131 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} |
| 132 |
| 133 do_test vtab6-1.8 { |
| 134 execsql { |
| 135 SELECT * FROM t1 NATURAL CROSS JOIN t2; |
| 136 } |
| 137 } {1 2 3 4 2 3 4 5} |
| 138 do_test vtab6-1.9 { |
| 139 execsql { |
| 140 SELECT * FROM t1 CROSS JOIN t2 USING(b,c); |
| 141 } |
| 142 } {1 2 3 4 2 3 4 5} |
| 143 do_test vtab6-1.10 { |
| 144 execsql { |
| 145 SELECT * FROM t1 NATURAL INNER JOIN t2; |
| 146 } |
| 147 } {1 2 3 4 2 3 4 5} |
| 148 do_test vtab6-1.11 { |
| 149 execsql { |
| 150 SELECT * FROM t1 INNER JOIN t2 USING(b,c); |
| 151 } |
| 152 } {1 2 3 4 2 3 4 5} |
| 153 do_test vtab6-1.12 { |
| 154 execsql { |
| 155 SELECT * FROM t1 natural inner join t2; |
| 156 } |
| 157 } {1 2 3 4 2 3 4 5} |
| 158 |
| 159 ifcapable subquery { |
| 160 do_test vtab6-1.13 { |
| 161 execsql2 { |
| 162 SELECT * FROM t1 NATURAL JOIN |
| 163 (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3 |
| 164 } |
| 165 } {a 1 b 2 c 3 d 4 e 5} |
| 166 do_test vtab6-1.14 { |
| 167 execsql2 { |
| 168 SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx' |
| 169 NATURAL JOIN t1 |
| 170 } |
| 171 } {c 3 d 4 e 5 a 1 b 2} |
| 172 } |
| 173 |
| 174 do_test vtab6-1.15 { |
| 175 execsql { |
| 176 INSERT INTO t3 VALUES(2,3,4); |
| 177 INSERT INTO t3 VALUES(3,4,5); |
| 178 INSERT INTO t3 VALUES(4,5,6); |
| 179 SELECT * FROM t3; |
| 180 } |
| 181 } {2 3 4 3 4 5 4 5 6} |
| 182 do_test vtab6-1.16 { |
| 183 execsql { |
| 184 SELECT * FROM t1 natural join t2 natural join t3; |
| 185 } |
| 186 } {1 2 3 4 5 2 3 4 5 6} |
| 187 do_test vtab6-1.17 { |
| 188 execsql2 { |
| 189 SELECT * FROM t1 natural join t2 natural join t3; |
| 190 } |
| 191 } {a 1 b 2 c 3 d 4 e 5 a 2 b 3 c 4 d 5 e 6} |
| 192 do_test vtab6-1.18 { |
| 193 execsql { |
| 194 INSERT INTO t4 VALUES(2,3,4); |
| 195 INSERT INTO t4 VALUES(3,4,5); |
| 196 INSERT INTO t4 VALUES(4,5,6); |
| 197 SELECT * FROM t4; |
| 198 } |
| 199 } {2 3 4 3 4 5 4 5 6} |
| 200 do_test vtab6-1.19.1 { |
| 201 execsql { |
| 202 SELECT * FROM t1 natural join t2 natural join t4; |
| 203 } |
| 204 } {1 2 3 4 5 6} |
| 205 do_test vtab6-1.19.2 { |
| 206 execsql2 { |
| 207 SELECT * FROM t1 natural join t2 natural join t4; |
| 208 } |
| 209 } {a 1 b 2 c 3 d 4 e 5 f 6} |
| 210 do_test vtab6-1.20 { |
| 211 execsql { |
| 212 SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1 |
| 213 } |
| 214 } {1 2 3 4 5} |
| 215 |
| 216 do_test vtab6-2.1 { |
| 217 execsql { |
| 218 SELECT * FROM t1 NATURAL LEFT JOIN t2; |
| 219 } |
| 220 } {1 2 3 4 2 3 4 5 3 4 5 {}} |
| 221 do_test vtab6-2.2 { |
| 222 execsql { |
| 223 SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1; |
| 224 } |
| 225 } {1 2 3 {} 2 3 4 1 3 4 5 2} |
| 226 do_test vtab6-2.3 { |
| 227 catchsql { |
| 228 SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2; |
| 229 } |
| 230 } {1 {RIGHT and FULL OUTER JOINs are not currently supported}} |
| 231 do_test vtab6-2.4 { |
| 232 execsql { |
| 233 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d |
| 234 } |
| 235 } {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3} |
| 236 do_test vtab6-2.5 { |
| 237 execsql { |
| 238 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1 |
| 239 } |
| 240 } {2 3 4 {} {} {} 3 4 5 1 2 3} |
| 241 do_test vtab6-2.6 { |
| 242 execsql { |
| 243 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1 |
| 244 } |
| 245 } {1 2 3 {} {} {} 2 3 4 {} {} {}} |
| 246 |
| 247 do_test vtab6-3.1 { |
| 248 catchsql { |
| 249 SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b; |
| 250 } |
| 251 } {1 {a NATURAL join may not have an ON or USING clause}} |
| 252 do_test vtab6-3.2 { |
| 253 catchsql { |
| 254 SELECT * FROM t1 NATURAL JOIN t2 USING(b); |
| 255 } |
| 256 } {1 {a NATURAL join may not have an ON or USING clause}} |
| 257 do_test vtab6-3.3 { |
| 258 catchsql { |
| 259 SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b); |
| 260 } |
| 261 } {1 {cannot have both ON and USING clauses in the same join}} |
| 262 do_test vtab6-3.4 { |
| 263 catchsql { |
| 264 SELECT * FROM t1 JOIN t2 USING(a); |
| 265 } |
| 266 } {1 {cannot join using column a - column not present in both tables}} |
| 267 do_test vtab6-3.5 { |
| 268 catchsql { SELECT * FROM t1 USING(a) } |
| 269 } {1 {a JOIN clause is required before USING}} |
| 270 do_test vtab6-3.6 { |
| 271 catchsql { |
| 272 SELECT * FROM t1 JOIN t2 ON t3.a=t2.b; |
| 273 } |
| 274 } {1 {no such column: t3.a}} |
| 275 do_test vtab6-3.7 { |
| 276 catchsql { |
| 277 SELECT * FROM t1 INNER OUTER JOIN t2; |
| 278 } |
| 279 } {1 {unknown or unsupported join type: INNER OUTER}} |
| 280 do_test vtab6-3.7 { |
| 281 catchsql { |
| 282 SELECT * FROM t1 LEFT BOGUS JOIN t2; |
| 283 } |
| 284 } {1 {unknown or unsupported join type: LEFT BOGUS}} |
| 285 |
| 286 do_test vtab6-4.1 { |
| 287 execsql { |
| 288 BEGIN; |
| 289 INSERT INTO t6 VALUES(NULL); |
| 290 INSERT INTO t6 VALUES(NULL); |
| 291 INSERT INTO t6 SELECT * FROM t6; |
| 292 INSERT INTO t6 SELECT * FROM t6; |
| 293 INSERT INTO t6 SELECT * FROM t6; |
| 294 INSERT INTO t6 SELECT * FROM t6; |
| 295 INSERT INTO t6 SELECT * FROM t6; |
| 296 INSERT INTO t6 SELECT * FROM t6; |
| 297 COMMIT; |
| 298 } |
| 299 execsql { |
| 300 SELECT * FROM t6 NATURAL JOIN t5; |
| 301 } |
| 302 } {} |
| 303 do_test vtab6-4.2 { |
| 304 execsql { |
| 305 SELECT * FROM t6, t5 WHERE t6.a<t5.a; |
| 306 } |
| 307 } {} |
| 308 do_test vtab6-4.3 { |
| 309 execsql { |
| 310 SELECT * FROM t6, t5 WHERE t6.a>t5.a; |
| 311 } |
| 312 } {} |
| 313 do_test vtab6-4.4 { |
| 314 execsql { |
| 315 UPDATE t6 SET a='xyz'; |
| 316 SELECT * FROM t6 NATURAL JOIN t5; |
| 317 } |
| 318 } {} |
| 319 do_test vtab6-4.6 { |
| 320 execsql { |
| 321 SELECT * FROM t6, t5 WHERE t6.a<t5.a; |
| 322 } |
| 323 } {} |
| 324 do_test vtab6-4.7 { |
| 325 execsql { |
| 326 SELECT * FROM t6, t5 WHERE t6.a>t5.a; |
| 327 } |
| 328 } {} |
| 329 do_test vtab6-4.8 { |
| 330 execsql { |
| 331 UPDATE t6 SET a=1; |
| 332 SELECT * FROM t6 NATURAL JOIN t5; |
| 333 } |
| 334 } {} |
| 335 do_test vtab6-4.9 { |
| 336 execsql { |
| 337 SELECT * FROM t6, t5 WHERE t6.a<t5.a; |
| 338 } |
| 339 } {} |
| 340 do_test vtab6-4.10 { |
| 341 execsql { |
| 342 SELECT * FROM t6, t5 WHERE t6.a>t5.a; |
| 343 } |
| 344 } {} |
| 345 |
| 346 # A test for ticket #247. |
| 347 # |
| 348 do_test vtab6-7.1 { |
| 349 execsql { |
| 350 INSERT INTO t7 VALUES ("pa1", 1); |
| 351 INSERT INTO t7 VALUES ("pa2", NULL); |
| 352 INSERT INTO t7 VALUES ("pa3", NULL); |
| 353 INSERT INTO t7 VALUES ("pa4", 2); |
| 354 INSERT INTO t7 VALUES ("pa30", 131); |
| 355 INSERT INTO t7 VALUES ("pa31", 130); |
| 356 INSERT INTO t7 VALUES ("pa28", NULL); |
| 357 |
| 358 INSERT INTO t8 VALUES (1, "pa1"); |
| 359 INSERT INTO t8 VALUES (2, "pa4"); |
| 360 INSERT INTO t8 VALUES (3, NULL); |
| 361 INSERT INTO t8 VALUES (4, NULL); |
| 362 INSERT INTO t8 VALUES (130, "pa31"); |
| 363 INSERT INTO t8 VALUES (131, "pa30"); |
| 364 |
| 365 SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a; |
| 366 } |
| 367 } {1 999 999 2 131 130 999} |
| 368 |
| 369 # Make sure a left join where the right table is really a view that |
| 370 # is itself a join works right. Ticket #306. |
| 371 # |
| 372 ifcapable view { |
| 373 do_test vtab6-8.1 { |
| 374 execsql { |
| 375 BEGIN; |
| 376 INSERT INTO t9 VALUES(1,11); |
| 377 INSERT INTO t9 VALUES(2,22); |
| 378 INSERT INTO t10 VALUES(1,2); |
| 379 INSERT INTO t10 VALUES(3,3); |
| 380 INSERT INTO t11 VALUES(2,111); |
| 381 INSERT INTO t11 VALUES(3,333); |
| 382 CREATE VIEW v10_11 AS SELECT x, q FROM t10, t11 WHERE t10.y=t11.p; |
| 383 COMMIT; |
| 384 SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x ); |
| 385 } |
| 386 } {1 11 1 111 2 22 {} {}} |
| 387 ifcapable subquery { |
| 388 do_test vtab6-8.2 { |
| 389 execsql { |
| 390 SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p) |
| 391 ON( a=x); |
| 392 } |
| 393 } {1 11 1 111 2 22 {} {}} |
| 394 } |
| 395 do_test vtab6-8.3 { |
| 396 execsql { |
| 397 SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x ); |
| 398 } |
| 399 } {1 111 1 11 3 333 {} {}} |
| 400 } ;# ifcapable view |
| 401 |
| 402 # Ticket #350 describes a scenario where LEFT OUTER JOIN does not |
| 403 # function correctly if the right table in the join is really |
| 404 # subquery. |
| 405 # |
| 406 # To test the problem, we generate the same LEFT OUTER JOIN in two |
| 407 # separate selects but with on using a subquery and the other calling |
| 408 # the table directly. Then connect the two SELECTs using an EXCEPT. |
| 409 # Both queries should generate the same results so the answer should |
| 410 # be an empty set. |
| 411 # |
| 412 ifcapable compound { |
| 413 do_test vtab6-9.1 { |
| 414 execsql { |
| 415 BEGIN; |
| 416 INSERT INTO t12 VALUES(1,11); |
| 417 INSERT INTO t12 VALUES(2,22); |
| 418 INSERT INTO t13 VALUES(22,222); |
| 419 COMMIT; |
| 420 } |
| 421 } {} |
| 422 |
| 423 ifcapable subquery { |
| 424 do_test vtab6-9.1.1 { |
| 425 execsql { |
| 426 SELECT * FROM t12 NATURAL LEFT JOIN t13 |
| 427 EXCEPT |
| 428 SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0); |
| 429 } |
| 430 } {} |
| 431 } |
| 432 ifcapable view { |
| 433 do_test vtab6-9.2 { |
| 434 execsql { |
| 435 CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0; |
| 436 SELECT * FROM t12 NATURAL LEFT JOIN t13 |
| 437 EXCEPT |
| 438 SELECT * FROM t12 NATURAL LEFT JOIN v13; |
| 439 } |
| 440 } {} |
| 441 } ;# ifcapable view |
| 442 } ;# ifcapable compound |
| 443 |
| 444 ifcapable subquery { |
| 445 do_test vtab6-10.1 { |
| 446 execsql { |
| 447 CREATE INDEX i22 ON real_t22(q); |
| 448 SELECT a FROM t21 LEFT JOIN t22 ON b=p WHERE q= |
| 449 (SELECT max(m.q) FROM t22 m JOIN t21 n ON n.b=m.p WHERE n.c=1); |
| 450 } |
| 451 } {} |
| 452 } ;# ifcapable subquery |
| 453 |
| 454 do_test vtab6-11.1.0 { |
| 455 execsql { |
| 456 CREATE TABLE ab_r(a, b); |
| 457 CREATE TABLE bc_r(b, c); |
| 458 |
| 459 CREATE VIRTUAL TABLE ab USING echo(ab_r); |
| 460 CREATE VIRTUAL TABLE bc USING echo(bc_r); |
| 461 |
| 462 INSERT INTO ab VALUES(1, 2); |
| 463 INSERT INTO bc VALUES(2, 3); |
| 464 } |
| 465 } {} |
| 466 |
| 467 do_test vtab6-11.1.1 { |
| 468 execsql { |
| 469 SELECT a, b, c FROM ab NATURAL JOIN bc; |
| 470 } |
| 471 } {1 2 3} |
| 472 do_test vtab6-11.1.2 { |
| 473 execsql { |
| 474 SELECT a, b, c FROM bc NATURAL JOIN ab; |
| 475 } |
| 476 } {1 2 3} |
| 477 |
| 478 set ::echo_module_cost 1.0 |
| 479 |
| 480 do_test vtab6-11.1.3 { |
| 481 execsql { |
| 482 SELECT a, b, c FROM ab NATURAL JOIN bc; |
| 483 } |
| 484 } {1 2 3} |
| 485 do_test vtab6-11.1.4 { |
| 486 execsql { |
| 487 SELECT a, b, c FROM bc NATURAL JOIN ab; |
| 488 } |
| 489 } {1 2 3} |
| 490 |
| 491 |
| 492 do_test vtab6-11.2.0 { |
| 493 execsql { |
| 494 CREATE INDEX ab_i ON ab_r(b); |
| 495 CREATE INDEX bc_i ON bc_r(b); |
| 496 } |
| 497 } {} |
| 498 |
| 499 unset ::echo_module_cost |
| 500 |
| 501 do_test vtab6-11.2.1 { |
| 502 execsql { |
| 503 SELECT a, b, c FROM ab NATURAL JOIN bc; |
| 504 } |
| 505 } {1 2 3} |
| 506 do_test vtab6-11.2.2 { |
| 507 execsql { |
| 508 SELECT a, b, c FROM bc NATURAL JOIN ab; |
| 509 } |
| 510 } {1 2 3} |
| 511 |
| 512 set ::echo_module_cost 1.0 |
| 513 |
| 514 do_test vtab6-11.2.3 { |
| 515 execsql { |
| 516 SELECT a, b, c FROM ab NATURAL JOIN bc; |
| 517 } |
| 518 } {1 2 3} |
| 519 do_test vtab6-11.2.4 { |
| 520 execsql { |
| 521 SELECT a, b, c FROM bc NATURAL JOIN ab; |
| 522 } |
| 523 } {1 2 3} |
| 524 |
| 525 unset ::echo_module_cost |
| 526 db close |
| 527 sqlite3 db test.db |
| 528 register_echo_module [sqlite3_connection_pointer db] |
| 529 |
| 530 do_test vtab6-11.3.1 { |
| 531 execsql { |
| 532 SELECT a, b, c FROM ab NATURAL JOIN bc; |
| 533 } |
| 534 } {1 2 3} |
| 535 |
| 536 do_test vtab6-11.3.2 { |
| 537 execsql { |
| 538 SELECT a, b, c FROM bc NATURAL JOIN ab; |
| 539 } |
| 540 } {1 2 3} |
| 541 |
| 542 set ::echo_module_cost 1.0 |
| 543 |
| 544 do_test vtab6-11.3.3 { |
| 545 execsql { |
| 546 SELECT a, b, c FROM ab NATURAL JOIN bc; |
| 547 } |
| 548 } {1 2 3} |
| 549 do_test vtab6-11.3.4 { |
| 550 execsql { |
| 551 SELECT a, b, c FROM bc NATURAL JOIN ab; |
| 552 } |
| 553 } {1 2 3} |
| 554 |
| 555 unset ::echo_module_cost |
| 556 |
| 557 set ::echo_module_ignore_usable 1 |
| 558 db cache flush |
| 559 |
| 560 do_test vtab6-11.4.1 { |
| 561 catchsql { |
| 562 SELECT a, b, c FROM ab NATURAL JOIN bc; |
| 563 } |
| 564 } {1 {table bc: xBestIndex returned an invalid plan}} |
| 565 do_test vtab6-11.4.2 { |
| 566 catchsql { |
| 567 SELECT a, b, c FROM bc NATURAL JOIN ab; |
| 568 } |
| 569 } {1 {table ab: xBestIndex returned an invalid plan}} |
| 570 |
| 571 unset ::echo_module_ignore_usable |
| 572 |
| 573 finish_test |
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