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| 1 # 2008 June 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 # $Id: selectB.test,v 1.10 2009/04/02 16:59:47 drh Exp $ | |
| 14 | |
| 15 set testdir [file dirname $argv0] | |
| 16 source $testdir/tester.tcl | |
| 17 | |
| 18 ifcapable !compound { | |
| 19 finish_test | |
| 20 return | |
| 21 } | |
| 22 | |
| 23 proc test_transform {testname sql1 sql2 results} { | |
| 24 set ::vdbe1 [list] | |
| 25 set ::vdbe2 [list] | |
| 26 db eval "explain $sql1" { lappend ::vdbe1 $opcode } | |
| 27 db eval "explain $sql2" { lappend ::vdbe2 $opcode } | |
| 28 | |
| 29 do_test $testname.transform { | |
| 30 set ::vdbe1 | |
| 31 } $::vdbe2 | |
| 32 | |
| 33 set ::sql1 $sql1 | |
| 34 do_test $testname.sql1 { | |
| 35 execsql $::sql1 | |
| 36 } $results | |
| 37 | |
| 38 set ::sql2 $sql2 | |
| 39 do_test $testname.sql2 { | |
| 40 execsql $::sql2 | |
| 41 } $results | |
| 42 } | |
| 43 | |
| 44 do_test selectB-1.1 { | |
| 45 execsql { | |
| 46 CREATE TABLE t1(a, b, c); | |
| 47 CREATE TABLE t2(d, e, f); | |
| 48 | |
| 49 INSERT INTO t1 VALUES( 2, 4, 6); | |
| 50 INSERT INTO t1 VALUES( 8, 10, 12); | |
| 51 INSERT INTO t1 VALUES(14, 16, 18); | |
| 52 | |
| 53 INSERT INTO t2 VALUES(3, 6, 9); | |
| 54 INSERT INTO t2 VALUES(12, 15, 18); | |
| 55 INSERT INTO t2 VALUES(21, 24, 27); | |
| 56 } | |
| 57 } {} | |
| 58 | |
| 59 for {set ii 1} {$ii <= 2} {incr ii} { | |
| 60 | |
| 61 if {$ii == 2} { | |
| 62 do_test selectB-2.1 { | |
| 63 execsql { | |
| 64 CREATE INDEX i1 ON t1(a); | |
| 65 CREATE INDEX i2 ON t2(d); | |
| 66 } | |
| 67 } {} | |
| 68 } | |
| 69 | |
| 70 test_transform selectB-$ii.2 { | |
| 71 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) | |
| 72 } { | |
| 73 SELECT a FROM t1 UNION ALL SELECT d FROM t2 | |
| 74 } {2 8 14 3 12 21} | |
| 75 | |
| 76 test_transform selectB-$ii.3 { | |
| 77 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) ORDER BY 1 | |
| 78 } { | |
| 79 SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 | |
| 80 } {2 3 8 12 14 21} | |
| 81 | |
| 82 test_transform selectB-$ii.4 { | |
| 83 SELECT * FROM | |
| 84 (SELECT a FROM t1 UNION ALL SELECT d FROM t2) | |
| 85 WHERE a>10 ORDER BY 1 | |
| 86 } { | |
| 87 SELECT a FROM t1 WHERE a>10 UNION ALL SELECT d FROM t2 WHERE d>10 ORDER BY 1 | |
| 88 } {12 14 21} | |
| 89 | |
| 90 test_transform selectB-$ii.5 { | |
| 91 SELECT * FROM | |
| 92 (SELECT a FROM t1 UNION ALL SELECT d FROM t2) | |
| 93 WHERE a>10 ORDER BY a | |
| 94 } { | |
| 95 SELECT a FROM t1 WHERE a>10 | |
| 96 UNION ALL | |
| 97 SELECT d FROM t2 WHERE d>10 | |
| 98 ORDER BY a | |
| 99 } {12 14 21} | |
| 100 | |
| 101 test_transform selectB-$ii.6 { | |
| 102 SELECT * FROM | |
| 103 (SELECT a FROM t1 UNION ALL SELECT d FROM t2 WHERE d > 12) | |
| 104 WHERE a>10 ORDER BY a | |
| 105 } { | |
| 106 SELECT a FROM t1 WHERE a>10 | |
| 107 UNION ALL | |
| 108 SELECT d FROM t2 WHERE d>12 AND d>10 | |
| 109 ORDER BY a | |
| 110 } {14 21} | |
| 111 | |
| 112 test_transform selectB-$ii.7 { | |
| 113 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) ORDER BY 1 | |
| 114 LIMIT 2 | |
| 115 } { | |
| 116 SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 LIMIT 2 | |
| 117 } {2 3} | |
| 118 | |
| 119 test_transform selectB-$ii.8 { | |
| 120 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) ORDER BY 1 | |
| 121 LIMIT 2 OFFSET 3 | |
| 122 } { | |
| 123 SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 LIMIT 2 OFFSET 3 | |
| 124 } {12 14} | |
| 125 | |
| 126 test_transform selectB-$ii.9 { | |
| 127 SELECT * FROM ( | |
| 128 SELECT a FROM t1 UNION ALL SELECT d FROM t2 UNION ALL SELECT c FROM t1 | |
| 129 ) | |
| 130 } { | |
| 131 SELECT a FROM t1 UNION ALL SELECT d FROM t2 UNION ALL SELECT c FROM t1 | |
| 132 } {2 8 14 3 12 21 6 12 18} | |
| 133 | |
| 134 test_transform selectB-$ii.10 { | |
| 135 SELECT * FROM ( | |
| 136 SELECT a FROM t1 UNION ALL SELECT d FROM t2 UNION ALL SELECT c FROM t1 | |
| 137 ) ORDER BY 1 | |
| 138 } { | |
| 139 SELECT a FROM t1 UNION ALL SELECT d FROM t2 UNION ALL SELECT c FROM t1 | |
| 140 ORDER BY 1 | |
| 141 } {2 3 6 8 12 12 14 18 21} | |
| 142 | |
| 143 test_transform selectB-$ii.11 { | |
| 144 SELECT * FROM ( | |
| 145 SELECT a FROM t1 UNION ALL SELECT d FROM t2 UNION ALL SELECT c FROM t1 | |
| 146 ) WHERE a>=10 ORDER BY 1 LIMIT 3 | |
| 147 } { | |
| 148 SELECT a FROM t1 WHERE a>=10 UNION ALL SELECT d FROM t2 WHERE d>=10 | |
| 149 UNION ALL SELECT c FROM t1 WHERE c>=10 | |
| 150 ORDER BY 1 LIMIT 3 | |
| 151 } {12 12 14} | |
| 152 | |
| 153 test_transform selectB-$ii.12 { | |
| 154 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 2) | |
| 155 } { | |
| 156 SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 2 | |
| 157 } {2 8} | |
| 158 | |
| 159 # An ORDER BY in a compound subqueries defeats flattening. Ticket #3773 | |
| 160 # test_transform selectB-$ii.13 { | |
| 161 # SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY a ASC) | |
| 162 # } { | |
| 163 # SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 ASC | |
| 164 # } {2 3 8 12 14 21} | |
| 165 # | |
| 166 # test_transform selectB-$ii.14 { | |
| 167 # SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY a DESC) | |
| 168 # } { | |
| 169 # SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 DESC | |
| 170 # } {21 14 12 8 3 2} | |
| 171 # | |
| 172 # test_transform selectB-$ii.14 { | |
| 173 # SELECT * FROM ( | |
| 174 # SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY a DESC | |
| 175 # ) LIMIT 2 OFFSET 2 | |
| 176 # } { | |
| 177 # SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 DESC | |
| 178 # LIMIT 2 OFFSET 2 | |
| 179 # } {12 8} | |
| 180 # | |
| 181 # test_transform selectB-$ii.15 { | |
| 182 # SELECT * FROM ( | |
| 183 # SELECT a, b FROM t1 UNION ALL SELECT d, e FROM t2 ORDER BY a ASC, e DESC | |
| 184 # ) | |
| 185 # } { | |
| 186 # SELECT a, b FROM t1 UNION ALL SELECT d, e FROM t2 ORDER BY a ASC, e DESC | |
| 187 # } {2 4 3 6 8 10 12 15 14 16 21 24} | |
| 188 } | |
| 189 | |
| 190 do_test selectB-3.0 { | |
| 191 execsql { | |
| 192 DROP INDEX i1; | |
| 193 DROP INDEX i2; | |
| 194 } | |
| 195 } {} | |
| 196 | |
| 197 for {set ii 3} {$ii <= 6} {incr ii} { | |
| 198 | |
| 199 switch $ii { | |
| 200 4 { | |
| 201 optimization_control db query-flattener off | |
| 202 } | |
| 203 5 { | |
| 204 optimization_control db query-flattener on | |
| 205 do_test selectB-5.0 { | |
| 206 execsql { | |
| 207 CREATE INDEX i1 ON t1(a); | |
| 208 CREATE INDEX i2 ON t1(b); | |
| 209 CREATE INDEX i3 ON t1(c); | |
| 210 CREATE INDEX i4 ON t2(d); | |
| 211 CREATE INDEX i5 ON t2(e); | |
| 212 CREATE INDEX i6 ON t2(f); | |
| 213 } | |
| 214 } {} | |
| 215 } | |
| 216 6 { | |
| 217 optimization_control db query-flattener off | |
| 218 } | |
| 219 } | |
| 220 | |
| 221 do_test selectB-$ii.1 { | |
| 222 execsql { | |
| 223 SELECT DISTINCT * FROM | |
| 224 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) | |
| 225 ORDER BY 1; | |
| 226 } | |
| 227 } {6 12 15 18 24} | |
| 228 | |
| 229 do_test selectB-$ii.2 { | |
| 230 execsql { | |
| 231 SELECT c, count(*) FROM | |
| 232 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) | |
| 233 GROUP BY c ORDER BY 1; | |
| 234 } | |
| 235 } {6 2 12 1 15 1 18 1 24 1} | |
| 236 do_test selectB-$ii.3 { | |
| 237 execsql { | |
| 238 SELECT c, count(*) FROM | |
| 239 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) | |
| 240 GROUP BY c HAVING count(*)>1; | |
| 241 } | |
| 242 } {6 2} | |
| 243 do_test selectB-$ii.4 { | |
| 244 execsql { | |
| 245 SELECT t4.c, t3.a FROM | |
| 246 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) AS t4, t1 AS t3 | |
| 247 WHERE t3.a=14 | |
| 248 ORDER BY 1 | |
| 249 } | |
| 250 } {6 14 6 14 12 14 15 14 18 14 24 14} | |
| 251 | |
| 252 do_test selectB-$ii.5 { | |
| 253 execsql { | |
| 254 SELECT d FROM t2 | |
| 255 EXCEPT | |
| 256 SELECT a FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) | |
| 257 } | |
| 258 } {} | |
| 259 do_test selectB-$ii.6 { | |
| 260 execsql { | |
| 261 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) | |
| 262 EXCEPT | |
| 263 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) | |
| 264 } | |
| 265 } {} | |
| 266 do_test selectB-$ii.7 { | |
| 267 execsql { | |
| 268 SELECT c FROM t1 | |
| 269 EXCEPT | |
| 270 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 271 } | |
| 272 } {12} | |
| 273 do_test selectB-$ii.8 { | |
| 274 execsql { | |
| 275 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 276 EXCEPT | |
| 277 SELECT c FROM t1 | |
| 278 } | |
| 279 } {9 15 24 27} | |
| 280 do_test selectB-$ii.9 { | |
| 281 execsql { | |
| 282 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 283 EXCEPT | |
| 284 SELECT c FROM t1 | |
| 285 ORDER BY c DESC | |
| 286 } | |
| 287 } {27 24 15 9} | |
| 288 | |
| 289 do_test selectB-$ii.10 { | |
| 290 execsql { | |
| 291 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 292 UNION | |
| 293 SELECT c FROM t1 | |
| 294 ORDER BY c DESC | |
| 295 } | |
| 296 } {27 24 18 15 12 9 6} | |
| 297 do_test selectB-$ii.11 { | |
| 298 execsql { | |
| 299 SELECT c FROM t1 | |
| 300 UNION | |
| 301 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 302 ORDER BY c | |
| 303 } | |
| 304 } {6 9 12 15 18 24 27} | |
| 305 do_test selectB-$ii.12 { | |
| 306 execsql { | |
| 307 SELECT c FROM t1 UNION SELECT e FROM t2 UNION ALL SELECT f FROM t2 | |
| 308 ORDER BY c | |
| 309 } | |
| 310 } {6 9 12 15 18 18 24 27} | |
| 311 do_test selectB-$ii.13 { | |
| 312 execsql { | |
| 313 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 314 UNION | |
| 315 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 316 ORDER BY 1 | |
| 317 } | |
| 318 } {6 9 15 18 24 27} | |
| 319 | |
| 320 do_test selectB-$ii.14 { | |
| 321 execsql { | |
| 322 SELECT c FROM t1 | |
| 323 INTERSECT | |
| 324 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 325 ORDER BY 1 | |
| 326 } | |
| 327 } {6 18} | |
| 328 do_test selectB-$ii.15 { | |
| 329 execsql { | |
| 330 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 331 INTERSECT | |
| 332 SELECT c FROM t1 | |
| 333 ORDER BY 1 | |
| 334 } | |
| 335 } {6 18} | |
| 336 do_test selectB-$ii.16 { | |
| 337 execsql { | |
| 338 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 339 INTERSECT | |
| 340 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) | |
| 341 ORDER BY 1 | |
| 342 } | |
| 343 } {6 9 15 18 24 27} | |
| 344 | |
| 345 do_test selectB-$ii.17 { | |
| 346 execsql { | |
| 347 SELECT * FROM ( | |
| 348 SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 4 | |
| 349 ) LIMIT 2 | |
| 350 } | |
| 351 } {2 8} | |
| 352 | |
| 353 do_test selectB-$ii.18 { | |
| 354 execsql { | |
| 355 SELECT * FROM ( | |
| 356 SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 4 OFFSET 2 | |
| 357 ) LIMIT 2 | |
| 358 } | |
| 359 } {14 3} | |
| 360 | |
| 361 do_test selectB-$ii.19 { | |
| 362 execsql { | |
| 363 SELECT * FROM ( | |
| 364 SELECT DISTINCT (a/10) FROM t1 UNION ALL SELECT DISTINCT(d%2) FROM t2 | |
| 365 ) | |
| 366 } | |
| 367 } {0 1 1 0} | |
| 368 | |
| 369 do_test selectB-$ii.20 { | |
| 370 execsql { | |
| 371 SELECT DISTINCT * FROM ( | |
| 372 SELECT DISTINCT (a/10) FROM t1 UNION ALL SELECT DISTINCT(d%2) FROM t2 | |
| 373 ) | |
| 374 } | |
| 375 } {0 1} | |
| 376 | |
| 377 do_test selectB-$ii.21 { | |
| 378 execsql { | |
| 379 SELECT * FROM (SELECT * FROM t1 UNION ALL SELECT * FROM t2) ORDER BY a+b | |
| 380 } | |
| 381 } {2 4 6 3 6 9 8 10 12 12 15 18 14 16 18 21 24 27} | |
| 382 | |
| 383 do_test selectB-$ii.22 { | |
| 384 execsql { | |
| 385 SELECT * FROM (SELECT 345 UNION ALL SELECT d FROM t2) ORDER BY 1; | |
| 386 } | |
| 387 } {3 12 21 345} | |
| 388 | |
| 389 do_test selectB-$ii.23 { | |
| 390 execsql { | |
| 391 SELECT x, y FROM ( | |
| 392 SELECT a AS x, b AS y FROM t1 | |
| 393 UNION ALL | |
| 394 SELECT a*10 + 0.1, f*10 + 0.1 FROM t1 JOIN t2 ON (c=d) | |
| 395 UNION ALL | |
| 396 SELECT a*100, b*100 FROM t1 | |
| 397 ) ORDER BY 1; | |
| 398 } | |
| 399 } {2 4 8 10 14 16 80.1 180.1 200 400 800 1000 1400 1600} | |
| 400 | |
| 401 do_test selectB-$ii.24 { | |
| 402 execsql { | |
| 403 SELECT x, y FROM ( | |
| 404 SELECT a AS x, b AS y FROM t1 | |
| 405 UNION ALL | |
| 406 SELECT a*10 + 0.1, f*10 + 0.1 FROM t1 LEFT JOIN t2 ON (c=d) | |
| 407 UNION ALL | |
| 408 SELECT a*100, b*100 FROM t1 | |
| 409 ) ORDER BY 1; | |
| 410 } | |
| 411 } {2 4 8 10 14 16 20.1 {} 80.1 180.1 140.1 {} 200 400 800 1000 1400 1600} | |
| 412 | |
| 413 do_test selectB-$ii.25 { | |
| 414 execsql { | |
| 415 SELECT x+y FROM ( | |
| 416 SELECT a AS x, b AS y FROM t1 | |
| 417 UNION ALL | |
| 418 SELECT a*10 + 0.1, f*10 + 0.1 FROM t1 LEFT JOIN t2 ON (c=d) | |
| 419 UNION ALL | |
| 420 SELECT a*100, b*100 FROM t1 | |
| 421 ) WHERE y+x NOT NULL ORDER BY 1; | |
| 422 } | |
| 423 } {6 18 30 260.2 600 1800 3000} | |
| 424 } | |
| 425 | |
| 426 finish_test | |
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