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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} {$ii <= 4} {incr ii} { |
| 198 |
| 199 if {$ii == 4} { |
| 200 do_test selectB-4.0 { |
| 201 execsql { |
| 202 CREATE INDEX i1 ON t1(a); |
| 203 CREATE INDEX i2 ON t1(b); |
| 204 CREATE INDEX i3 ON t1(c); |
| 205 CREATE INDEX i4 ON t2(d); |
| 206 CREATE INDEX i5 ON t2(e); |
| 207 CREATE INDEX i6 ON t2(f); |
| 208 } |
| 209 } {} |
| 210 } |
| 211 |
| 212 do_test selectB-$ii.1 { |
| 213 execsql { |
| 214 SELECT DISTINCT * FROM |
| 215 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) |
| 216 ORDER BY 1; |
| 217 } |
| 218 } {6 12 15 18 24} |
| 219 |
| 220 do_test selectB-$ii.2 { |
| 221 execsql { |
| 222 SELECT c, count(*) FROM |
| 223 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) |
| 224 GROUP BY c ORDER BY 1; |
| 225 } |
| 226 } {6 2 12 1 15 1 18 1 24 1} |
| 227 do_test selectB-$ii.3 { |
| 228 execsql { |
| 229 SELECT c, count(*) FROM |
| 230 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) |
| 231 GROUP BY c HAVING count(*)>1; |
| 232 } |
| 233 } {6 2} |
| 234 do_test selectB-$ii.4 { |
| 235 execsql { |
| 236 SELECT t4.c, t3.a FROM |
| 237 (SELECT c FROM t1 UNION ALL SELECT e FROM t2) AS t4, t1 AS t3 |
| 238 WHERE t3.a=14 |
| 239 ORDER BY 1 |
| 240 } |
| 241 } {6 14 6 14 12 14 15 14 18 14 24 14} |
| 242 |
| 243 do_test selectB-$ii.5 { |
| 244 execsql { |
| 245 SELECT d FROM t2 |
| 246 EXCEPT |
| 247 SELECT a FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) |
| 248 } |
| 249 } {} |
| 250 do_test selectB-$ii.6 { |
| 251 execsql { |
| 252 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) |
| 253 EXCEPT |
| 254 SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2) |
| 255 } |
| 256 } {} |
| 257 do_test selectB-$ii.7 { |
| 258 execsql { |
| 259 SELECT c FROM t1 |
| 260 EXCEPT |
| 261 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 262 } |
| 263 } {12} |
| 264 do_test selectB-$ii.8 { |
| 265 execsql { |
| 266 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 267 EXCEPT |
| 268 SELECT c FROM t1 |
| 269 } |
| 270 } {9 15 24 27} |
| 271 do_test selectB-$ii.9 { |
| 272 execsql { |
| 273 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 274 EXCEPT |
| 275 SELECT c FROM t1 |
| 276 ORDER BY c DESC |
| 277 } |
| 278 } {27 24 15 9} |
| 279 |
| 280 do_test selectB-$ii.10 { |
| 281 execsql { |
| 282 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 283 UNION |
| 284 SELECT c FROM t1 |
| 285 ORDER BY c DESC |
| 286 } |
| 287 } {27 24 18 15 12 9 6} |
| 288 do_test selectB-$ii.11 { |
| 289 execsql { |
| 290 SELECT c FROM t1 |
| 291 UNION |
| 292 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 293 ORDER BY c |
| 294 } |
| 295 } {6 9 12 15 18 24 27} |
| 296 do_test selectB-$ii.12 { |
| 297 execsql { |
| 298 SELECT c FROM t1 UNION SELECT e FROM t2 UNION ALL SELECT f FROM t2 |
| 299 ORDER BY c |
| 300 } |
| 301 } {6 9 12 15 18 18 24 27} |
| 302 do_test selectB-$ii.13 { |
| 303 execsql { |
| 304 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 305 UNION |
| 306 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 307 ORDER BY 1 |
| 308 } |
| 309 } {6 9 15 18 24 27} |
| 310 |
| 311 do_test selectB-$ii.14 { |
| 312 execsql { |
| 313 SELECT c FROM t1 |
| 314 INTERSECT |
| 315 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 316 ORDER BY 1 |
| 317 } |
| 318 } {6 18} |
| 319 do_test selectB-$ii.15 { |
| 320 execsql { |
| 321 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 322 INTERSECT |
| 323 SELECT c FROM t1 |
| 324 ORDER BY 1 |
| 325 } |
| 326 } {6 18} |
| 327 do_test selectB-$ii.16 { |
| 328 execsql { |
| 329 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 330 INTERSECT |
| 331 SELECT * FROM (SELECT e FROM t2 UNION ALL SELECT f FROM t2) |
| 332 ORDER BY 1 |
| 333 } |
| 334 } {6 9 15 18 24 27} |
| 335 |
| 336 do_test selectB-$ii.17 { |
| 337 execsql { |
| 338 SELECT * FROM ( |
| 339 SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 4 |
| 340 ) LIMIT 2 |
| 341 } |
| 342 } {2 8} |
| 343 |
| 344 do_test selectB-$ii.18 { |
| 345 execsql { |
| 346 SELECT * FROM ( |
| 347 SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 4 OFFSET 2 |
| 348 ) LIMIT 2 |
| 349 } |
| 350 } {14 3} |
| 351 |
| 352 do_test selectB-$ii.19 { |
| 353 execsql { |
| 354 SELECT * FROM ( |
| 355 SELECT DISTINCT (a/10) FROM t1 UNION ALL SELECT DISTINCT(d%2) FROM t2 |
| 356 ) |
| 357 } |
| 358 } {0 1 0 1} |
| 359 |
| 360 do_test selectB-$ii.20 { |
| 361 execsql { |
| 362 SELECT DISTINCT * FROM ( |
| 363 SELECT DISTINCT (a/10) FROM t1 UNION ALL SELECT DISTINCT(d%2) FROM t2 |
| 364 ) |
| 365 } |
| 366 } {0 1} |
| 367 |
| 368 do_test selectB-$ii.21 { |
| 369 execsql { |
| 370 SELECT * FROM (SELECT * FROM t1 UNION ALL SELECT * FROM t2) ORDER BY a+b |
| 371 } |
| 372 } {2 4 6 3 6 9 8 10 12 12 15 18 14 16 18 21 24 27} |
| 373 |
| 374 do_test selectB-$ii.21 { |
| 375 execsql { |
| 376 SELECT * FROM (SELECT 345 UNION ALL SELECT d FROM t2) ORDER BY 1; |
| 377 } |
| 378 } {3 12 21 345} |
| 379 } |
| 380 |
| 381 finish_test |
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