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| 1 # 2005 July 28 | |
| 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 the use of indices in WHERE clauses | |
| 13 # based on recent changes to the optimizer. | |
| 14 # | |
| 15 # $Id: where2.test,v 1.15 2009/02/02 01:50:40 drh Exp $ | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 | |
| 20 # Build some test data | |
| 21 # | |
| 22 do_test where2-1.0 { | |
| 23 execsql { | |
| 24 BEGIN; | |
| 25 CREATE TABLE t1(w int, x int, y int, z int); | |
| 26 } | |
| 27 for {set i 1} {$i<=100} {incr i} { | |
| 28 set w $i | |
| 29 set x [expr {int(log($i)/log(2))}] | |
| 30 set y [expr {$i*$i + 2*$i + 1}] | |
| 31 set z [expr {$x+$y}] | |
| 32 ifcapable tclvar { | |
| 33 execsql {INSERT INTO t1 VALUES($::w,$::x,$::y,$::z)} | |
| 34 } else { | |
| 35 execsql {INSERT INTO t1 VALUES(:w,:x,:y,:z)} | |
| 36 } | |
| 37 } | |
| 38 execsql { | |
| 39 CREATE UNIQUE INDEX i1w ON t1(w); | |
| 40 CREATE INDEX i1xy ON t1(x,y); | |
| 41 CREATE INDEX i1zyx ON t1(z,y,x); | |
| 42 COMMIT; | |
| 43 } | |
| 44 } {} | |
| 45 | |
| 46 # Do an SQL statement. Append the search count to the end of the result. | |
| 47 # | |
| 48 proc count sql { | |
| 49 set ::sqlite_search_count 0 | |
| 50 return [concat [execsql $sql] $::sqlite_search_count] | |
| 51 } | |
| 52 | |
| 53 # This procedure executes the SQL. Then it checks to see if the OP_Sort | |
| 54 # opcode was executed. If an OP_Sort did occur, then "sort" is appended | |
| 55 # to the result. If no OP_Sort happened, then "nosort" is appended. | |
| 56 # | |
| 57 # This procedure is used to check to make sure sorting is or is not | |
| 58 # occurring as expected. | |
| 59 # | |
| 60 proc cksort {sql} { | |
| 61 set data [execsql $sql] | |
| 62 if {[db status sort]} {set x sort} {set x nosort} | |
| 63 lappend data $x | |
| 64 return $data | |
| 65 } | |
| 66 | |
| 67 # This procedure executes the SQL. Then it appends to the result the | |
| 68 # "sort" or "nosort" keyword (as in the cksort procedure above) then | |
| 69 # it appends the ::sqlite_query_plan variable. | |
| 70 # | |
| 71 proc queryplan {sql} { | |
| 72 set ::sqlite_sort_count 0 | |
| 73 set data [execsql $sql] | |
| 74 if {$::sqlite_sort_count} {set x sort} {set x nosort} | |
| 75 lappend data $x | |
| 76 return [concat $data $::sqlite_query_plan] | |
| 77 } | |
| 78 | |
| 79 | |
| 80 # Prefer a UNIQUE index over another index. | |
| 81 # | |
| 82 do_test where2-1.1 { | |
| 83 queryplan { | |
| 84 SELECT * FROM t1 WHERE w=85 AND x=6 AND y=7396 | |
| 85 } | |
| 86 } {85 6 7396 7402 nosort t1 i1w} | |
| 87 | |
| 88 # Always prefer a rowid== constraint over any other index. | |
| 89 # | |
| 90 do_test where2-1.3 { | |
| 91 queryplan { | |
| 92 SELECT * FROM t1 WHERE w=85 AND x=6 AND y=7396 AND rowid=85 | |
| 93 } | |
| 94 } {85 6 7396 7402 nosort t1 *} | |
| 95 | |
| 96 # When constrained by a UNIQUE index, the ORDER BY clause is always ignored. | |
| 97 # | |
| 98 do_test where2-2.1 { | |
| 99 queryplan { | |
| 100 SELECT * FROM t1 WHERE w=85 ORDER BY random(); | |
| 101 } | |
| 102 } {85 6 7396 7402 nosort t1 i1w} | |
| 103 do_test where2-2.2 { | |
| 104 queryplan { | |
| 105 SELECT * FROM t1 WHERE x=6 AND y=7396 ORDER BY random(); | |
| 106 } | |
| 107 } {85 6 7396 7402 sort t1 i1xy} | |
| 108 do_test where2-2.3 { | |
| 109 queryplan { | |
| 110 SELECT * FROM t1 WHERE rowid=85 AND x=6 AND y=7396 ORDER BY random(); | |
| 111 } | |
| 112 } {85 6 7396 7402 nosort t1 *} | |
| 113 | |
| 114 | |
| 115 # Efficient handling of forward and reverse table scans. | |
| 116 # | |
| 117 do_test where2-3.1 { | |
| 118 queryplan { | |
| 119 SELECT * FROM t1 ORDER BY rowid LIMIT 2 | |
| 120 } | |
| 121 } {1 0 4 4 2 1 9 10 nosort t1 *} | |
| 122 do_test where2-3.2 { | |
| 123 queryplan { | |
| 124 SELECT * FROM t1 ORDER BY rowid DESC LIMIT 2 | |
| 125 } | |
| 126 } {100 6 10201 10207 99 6 10000 10006 nosort t1 *} | |
| 127 | |
| 128 # The IN operator can be used by indices at multiple layers | |
| 129 # | |
| 130 ifcapable subquery { | |
| 131 do_test where2-4.1 { | |
| 132 queryplan { | |
| 133 SELECT * FROM t1 WHERE z IN (10207,10006) AND y IN (10000,10201) | |
| 134 AND x>0 AND x<10 | |
| 135 ORDER BY w | |
| 136 } | |
| 137 } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx} | |
| 138 do_test where2-4.2 { | |
| 139 queryplan { | |
| 140 SELECT * FROM t1 WHERE z IN (10207,10006) AND y=10000 | |
| 141 AND x>0 AND x<10 | |
| 142 ORDER BY w | |
| 143 } | |
| 144 } {99 6 10000 10006 sort t1 i1zyx} | |
| 145 do_test where2-4.3 { | |
| 146 queryplan { | |
| 147 SELECT * FROM t1 WHERE z=10006 AND y IN (10000,10201) | |
| 148 AND x>0 AND x<10 | |
| 149 ORDER BY w | |
| 150 } | |
| 151 } {99 6 10000 10006 sort t1 i1zyx} | |
| 152 ifcapable compound { | |
| 153 do_test where2-4.4 { | |
| 154 queryplan { | |
| 155 SELECT * FROM t1 WHERE z IN (SELECT 10207 UNION SELECT 10006) | |
| 156 AND y IN (10000,10201) | |
| 157 AND x>0 AND x<10 | |
| 158 ORDER BY w | |
| 159 } | |
| 160 } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx} | |
| 161 do_test where2-4.5 { | |
| 162 queryplan { | |
| 163 SELECT * FROM t1 WHERE z IN (SELECT 10207 UNION SELECT 10006) | |
| 164 AND y IN (SELECT 10000 UNION SELECT 10201) | |
| 165 AND x>0 AND x<10 | |
| 166 ORDER BY w | |
| 167 } | |
| 168 } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx} | |
| 169 } | |
| 170 do_test where2-4.6 { | |
| 171 queryplan { | |
| 172 SELECT * FROM t1 | |
| 173 WHERE x IN (1,2,3,4,5,6,7,8) | |
| 174 AND y IN (10000,10001,10002,10003,10004,10005) | |
| 175 ORDER BY 2 | |
| 176 } | |
| 177 } {99 6 10000 10006 sort t1 i1xy} | |
| 178 | |
| 179 # Duplicate entires on the RHS of an IN operator do not cause duplicate | |
| 180 # output rows. | |
| 181 # | |
| 182 do_test where2-4.6 { | |
| 183 queryplan { | |
| 184 SELECT * FROM t1 WHERE z IN (10207,10006,10006,10207) | |
| 185 ORDER BY w | |
| 186 } | |
| 187 } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx} | |
| 188 ifcapable compound { | |
| 189 do_test where2-4.7 { | |
| 190 queryplan { | |
| 191 SELECT * FROM t1 WHERE z IN ( | |
| 192 SELECT 10207 UNION ALL SELECT 10006 | |
| 193 UNION ALL SELECT 10006 UNION ALL SELECT 10207) | |
| 194 ORDER BY w | |
| 195 } | |
| 196 } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx} | |
| 197 } | |
| 198 | |
| 199 } ;# ifcapable subquery | |
| 200 | |
| 201 # The use of an IN operator disables the index as a sorter. | |
| 202 # | |
| 203 do_test where2-5.1 { | |
| 204 queryplan { | |
| 205 SELECT * FROM t1 WHERE w=99 ORDER BY w | |
| 206 } | |
| 207 } {99 6 10000 10006 nosort t1 i1w} | |
| 208 | |
| 209 ifcapable subquery { | |
| 210 do_test where2-5.2 { | |
| 211 queryplan { | |
| 212 SELECT * FROM t1 WHERE w IN (99) ORDER BY w | |
| 213 } | |
| 214 } {99 6 10000 10006 sort t1 i1w} | |
| 215 } | |
| 216 | |
| 217 # Verify that OR clauses get translated into IN operators. | |
| 218 # | |
| 219 set ::idx {} | |
| 220 ifcapable subquery {set ::idx i1w} | |
| 221 do_test where2-6.1.1 { | |
| 222 queryplan { | |
| 223 SELECT * FROM t1 WHERE w=99 OR w=100 ORDER BY +w | |
| 224 } | |
| 225 } [list 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx] | |
| 226 do_test where2-6.1.2 { | |
| 227 queryplan { | |
| 228 SELECT * FROM t1 WHERE 99=w OR 100=w ORDER BY +w | |
| 229 } | |
| 230 } [list 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx] | |
| 231 do_test where2-6.2 { | |
| 232 queryplan { | |
| 233 SELECT * FROM t1 WHERE w=99 OR w=100 OR 6=w ORDER BY +w | |
| 234 } | |
| 235 } [list 6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx] | |
| 236 | |
| 237 do_test where2-6.3 { | |
| 238 queryplan { | |
| 239 SELECT * FROM t1 WHERE w=99 OR w=100 OR 6=+w ORDER BY +w | |
| 240 } | |
| 241 } {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 {}} | |
| 242 do_test where2-6.4 { | |
| 243 queryplan { | |
| 244 SELECT * FROM t1 WHERE w=99 OR +w=100 OR 6=w ORDER BY +w | |
| 245 } | |
| 246 } {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 {}} | |
| 247 | |
| 248 set ::idx {} | |
| 249 ifcapable subquery {set ::idx i1zyx} | |
| 250 do_test where2-6.5 { | |
| 251 queryplan { | |
| 252 SELECT b.* FROM t1 a, t1 b | |
| 253 WHERE a.w=1 AND (a.y=b.z OR b.z=10) | |
| 254 ORDER BY +b.w | |
| 255 } | |
| 256 } [list 1 0 4 4 2 1 9 10 sort a i1w b $::idx] | |
| 257 do_test where2-6.6 { | |
| 258 queryplan { | |
| 259 SELECT b.* FROM t1 a, t1 b | |
| 260 WHERE a.w=1 AND (b.z=10 OR a.y=b.z OR b.z=10) | |
| 261 ORDER BY +b.w | |
| 262 } | |
| 263 } [list 1 0 4 4 2 1 9 10 sort a i1w b $::idx] | |
| 264 | |
| 265 # Ticket #2249. Make sure the OR optimization is not attempted if | |
| 266 # comparisons between columns of different affinities are needed. | |
| 267 # | |
| 268 do_test where2-6.7 { | |
| 269 execsql { | |
| 270 CREATE TABLE t2249a(a TEXT UNIQUE); | |
| 271 CREATE TABLE t2249b(b INTEGER); | |
| 272 INSERT INTO t2249a VALUES('0123'); | |
| 273 INSERT INTO t2249b VALUES(123); | |
| 274 } | |
| 275 queryplan { | |
| 276 -- Because a is type TEXT and b is type INTEGER, both a and b | |
| 277 -- will attempt to convert to NUMERIC before the comparison. | |
| 278 -- They will thus compare equal. | |
| 279 -- | |
| 280 SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=b; | |
| 281 } | |
| 282 } {123 0123 nosort t2249b {} t2249a {}} | |
| 283 do_test where2-6.9 { | |
| 284 queryplan { | |
| 285 -- The + operator removes affinity from the rhs. No conversions | |
| 286 -- occur and the comparison is false. The result is an empty set. | |
| 287 -- | |
| 288 SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b; | |
| 289 } | |
| 290 } {nosort t2249b {} {} sqlite_autoindex_t2249a_1} | |
| 291 do_test where2-6.9.2 { | |
| 292 # The same thing but with the expression flipped around. | |
| 293 queryplan { | |
| 294 SELECT * FROM t2249b CROSS JOIN t2249a WHERE +b=a | |
| 295 } | |
| 296 } {nosort t2249b {} {} sqlite_autoindex_t2249a_1} | |
| 297 do_test where2-6.10 { | |
| 298 queryplan { | |
| 299 -- Use + on both sides of the comparison to disable indices | |
| 300 -- completely. Make sure we get the same result. | |
| 301 -- | |
| 302 SELECT * FROM t2249b CROSS JOIN t2249a WHERE +a=+b; | |
| 303 } | |
| 304 } {nosort t2249b {} t2249a {}} | |
| 305 do_test where2-6.11 { | |
| 306 # This will not attempt the OR optimization because of the a=b | |
| 307 # comparison. | |
| 308 queryplan { | |
| 309 SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=b OR a='hello'; | |
| 310 } | |
| 311 } {123 0123 nosort t2249b {} t2249a {}} | |
| 312 do_test where2-6.11.2 { | |
| 313 # Permutations of the expression terms. | |
| 314 queryplan { | |
| 315 SELECT * FROM t2249b CROSS JOIN t2249a WHERE b=a OR a='hello'; | |
| 316 } | |
| 317 } {123 0123 nosort t2249b {} t2249a {}} | |
| 318 do_test where2-6.11.3 { | |
| 319 # Permutations of the expression terms. | |
| 320 queryplan { | |
| 321 SELECT * FROM t2249b CROSS JOIN t2249a WHERE 'hello'=a OR b=a; | |
| 322 } | |
| 323 } {123 0123 nosort t2249b {} t2249a {}} | |
| 324 do_test where2-6.11.4 { | |
| 325 # Permutations of the expression terms. | |
| 326 queryplan { | |
| 327 SELECT * FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR b=a; | |
| 328 } | |
| 329 } {123 0123 nosort t2249b {} t2249a {}} | |
| 330 ifcapable explain&&subquery { | |
| 331 # These tests are not run if subquery support is not included in the | |
| 332 # build. This is because these tests test the "a = 1 OR a = 2" to | |
| 333 # "a IN (1, 2)" optimisation transformation, which is not enabled if | |
| 334 # subqueries and the IN operator is not available. | |
| 335 # | |
| 336 do_test where2-6.12 { | |
| 337 # In this case, the +b disables the affinity conflict and allows | |
| 338 # the OR optimization to be used again. The result is now an empty | |
| 339 # set, the same as in where2-6.9. | |
| 340 queryplan { | |
| 341 SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b OR a='hello'; | |
| 342 } | |
| 343 } {nosort t2249b {} {} sqlite_autoindex_t2249a_1} | |
| 344 do_test where2-6.12.2 { | |
| 345 # In this case, the +b disables the affinity conflict and allows | |
| 346 # the OR optimization to be used again. The result is now an empty | |
| 347 # set, the same as in where2-6.9. | |
| 348 queryplan { | |
| 349 SELECT * FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR +b=a; | |
| 350 } | |
| 351 } {nosort t2249b {} {} sqlite_autoindex_t2249a_1} | |
| 352 do_test where2-6.12.3 { | |
| 353 # In this case, the +b disables the affinity conflict and allows | |
| 354 # the OR optimization to be used again. The result is now an empty | |
| 355 # set, the same as in where2-6.9. | |
| 356 queryplan { | |
| 357 SELECT * FROM t2249b CROSS JOIN t2249a WHERE +b=a OR a='hello'; | |
| 358 } | |
| 359 } {nosort t2249b {} {} sqlite_autoindex_t2249a_1} | |
| 360 do_test where2-6.13 { | |
| 361 # The addition of +a on the second term disabled the OR optimization. | |
| 362 # But we should still get the same empty-set result as in where2-6.9. | |
| 363 queryplan { | |
| 364 SELECT * FROM t2249b CROSS JOIN t2249a WHERE a=+b OR +a='hello'; | |
| 365 } | |
| 366 } {nosort t2249b {} t2249a {}} | |
| 367 } | |
| 368 | |
| 369 # Variations on the order of terms in a WHERE clause in order | |
| 370 # to make sure the OR optimizer can recognize them all. | |
| 371 do_test where2-6.20 { | |
| 372 queryplan { | |
| 373 SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE x.a=y.a | |
| 374 } | |
| 375 } {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1} | |
| 376 ifcapable explain&&subquery { | |
| 377 # These tests are not run if subquery support is not included in the | |
| 378 # build. This is because these tests test the "a = 1 OR a = 2" to | |
| 379 # "a IN (1, 2)" optimisation transformation, which is not enabled if | |
| 380 # subqueries and the IN operator is not available. | |
| 381 # | |
| 382 do_test where2-6.21 { | |
| 383 queryplan { | |
| 384 SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE x.a=y.a OR y.a='hello' | |
| 385 } | |
| 386 } {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1} | |
| 387 do_test where2-6.22 { | |
| 388 queryplan { | |
| 389 SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE y.a=x.a OR y.a='hello' | |
| 390 } | |
| 391 } {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1} | |
| 392 do_test where2-6.23 { | |
| 393 queryplan { | |
| 394 SELECT * FROM t2249a x CROSS JOIN t2249a y WHERE y.a='hello' OR x.a=y.a | |
| 395 } | |
| 396 } {0123 0123 nosort x {} {} sqlite_autoindex_t2249a_1} | |
| 397 } | |
| 398 | |
| 399 # Unique queries (queries that are guaranteed to return only a single | |
| 400 # row of result) do not call the sorter. But all tables must give | |
| 401 # a unique result. If any one table in the join does not give a unique | |
| 402 # result then sorting is necessary. | |
| 403 # | |
| 404 do_test where2-7.1 { | |
| 405 cksort { | |
| 406 create table t8(a unique, b, c); | |
| 407 insert into t8 values(1,2,3); | |
| 408 insert into t8 values(2,3,4); | |
| 409 create table t9(x,y); | |
| 410 insert into t9 values(2,4); | |
| 411 insert into t9 values(2,3); | |
| 412 select y from t8, t9 where a=1 order by a, y; | |
| 413 } | |
| 414 } {3 4 sort} | |
| 415 do_test where2-7.2 { | |
| 416 cksort { | |
| 417 select * from t8 where a=1 order by b, c | |
| 418 } | |
| 419 } {1 2 3 nosort} | |
| 420 do_test where2-7.3 { | |
| 421 cksort { | |
| 422 select * from t8, t9 where a=1 and y=3 order by b, x | |
| 423 } | |
| 424 } {1 2 3 2 3 sort} | |
| 425 do_test where2-7.4 { | |
| 426 cksort { | |
| 427 create unique index i9y on t9(y); | |
| 428 select * from t8, t9 where a=1 and y=3 order by b, x | |
| 429 } | |
| 430 } {1 2 3 2 3 nosort} | |
| 431 | |
| 432 # Ticket #1807. Using IN constrains on multiple columns of | |
| 433 # a multi-column index. | |
| 434 # | |
| 435 ifcapable subquery { | |
| 436 do_test where2-8.1 { | |
| 437 execsql { | |
| 438 SELECT * FROM t1 WHERE x IN (20,21) AND y IN (1,2) | |
| 439 } | |
| 440 } {} | |
| 441 do_test where2-8.2 { | |
| 442 execsql { | |
| 443 SELECT * FROM t1 WHERE x IN (1,2) AND y IN (-5,-6) | |
| 444 } | |
| 445 } {} | |
| 446 execsql {CREATE TABLE tx AS SELECT * FROM t1} | |
| 447 do_test where2-8.3 { | |
| 448 execsql { | |
| 449 SELECT w FROM t1 | |
| 450 WHERE x IN (SELECT x FROM tx WHERE rowid<0) | |
| 451 AND +y IN (SELECT y FROM tx WHERE rowid=1) | |
| 452 } | |
| 453 } {} | |
| 454 do_test where2-8.4 { | |
| 455 execsql { | |
| 456 SELECT w FROM t1 | |
| 457 WHERE x IN (SELECT x FROM tx WHERE rowid=1) | |
| 458 AND y IN (SELECT y FROM tx WHERE rowid<0) | |
| 459 } | |
| 460 } {} | |
| 461 #set sqlite_where_trace 1 | |
| 462 do_test where2-8.5 { | |
| 463 execsql { | |
| 464 CREATE INDEX tx_xyz ON tx(x, y, z, w); | |
| 465 SELECT w FROM tx | |
| 466 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 467 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 468 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 12 AND 14) | |
| 469 } | |
| 470 } {12 13 14} | |
| 471 do_test where2-8.6 { | |
| 472 execsql { | |
| 473 SELECT w FROM tx | |
| 474 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 475 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 12 AND 14) | |
| 476 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 477 } | |
| 478 } {12 13 14} | |
| 479 do_test where2-8.7 { | |
| 480 execsql { | |
| 481 SELECT w FROM tx | |
| 482 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 12 AND 14) | |
| 483 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 484 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 485 } | |
| 486 } {10 11 12 13 14 15} | |
| 487 do_test where2-8.8 { | |
| 488 execsql { | |
| 489 SELECT w FROM tx | |
| 490 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 491 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 492 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 493 } | |
| 494 } {10 11 12 13 14 15 16 17 18 19 20} | |
| 495 do_test where2-8.9 { | |
| 496 execsql { | |
| 497 SELECT w FROM tx | |
| 498 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 499 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 500 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 2 AND 4) | |
| 501 } | |
| 502 } {} | |
| 503 do_test where2-8.10 { | |
| 504 execsql { | |
| 505 SELECT w FROM tx | |
| 506 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 507 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 2 AND 4) | |
| 508 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 509 } | |
| 510 } {} | |
| 511 do_test where2-8.11 { | |
| 512 execsql { | |
| 513 SELECT w FROM tx | |
| 514 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 2 AND 4) | |
| 515 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 516 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 517 } | |
| 518 } {} | |
| 519 do_test where2-8.12 { | |
| 520 execsql { | |
| 521 SELECT w FROM tx | |
| 522 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 523 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 524 AND z IN (SELECT z FROM t1 WHERE w BETWEEN -4 AND -2) | |
| 525 } | |
| 526 } {} | |
| 527 do_test where2-8.13 { | |
| 528 execsql { | |
| 529 SELECT w FROM tx | |
| 530 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 531 AND y IN (SELECT y FROM t1 WHERE w BETWEEN -4 AND -2) | |
| 532 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 533 } | |
| 534 } {} | |
| 535 do_test where2-8.14 { | |
| 536 execsql { | |
| 537 SELECT w FROM tx | |
| 538 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN -4 AND -2) | |
| 539 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 540 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 541 } | |
| 542 } {} | |
| 543 do_test where2-8.15 { | |
| 544 execsql { | |
| 545 SELECT w FROM tx | |
| 546 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 547 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 548 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 200 AND 300) | |
| 549 } | |
| 550 } {} | |
| 551 do_test where2-8.16 { | |
| 552 execsql { | |
| 553 SELECT w FROM tx | |
| 554 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 555 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 200 AND 300) | |
| 556 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 557 } | |
| 558 } {} | |
| 559 do_test where2-8.17 { | |
| 560 execsql { | |
| 561 SELECT w FROM tx | |
| 562 WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 200 AND 300) | |
| 563 AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 564 AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20) | |
| 565 } | |
| 566 } {} | |
| 567 do_test where2-8.18 { | |
| 568 execsql { | |
| 569 SELECT w FROM tx | |
| 570 WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 10 AND 20) | |
| 571 AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 10 AND 20) | |
| 572 AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 200 AND 300) | |
| 573 } | |
| 574 } {} | |
| 575 do_test where2-8.19 { | |
| 576 execsql { | |
| 577 SELECT w FROM tx | |
| 578 WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 10 AND 20) | |
| 579 AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 200 AND 300) | |
| 580 AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 10 AND 20) | |
| 581 } | |
| 582 } {} | |
| 583 do_test where2-8.20 { | |
| 584 execsql { | |
| 585 SELECT w FROM tx | |
| 586 WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 200 AND 300) | |
| 587 AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 10 AND 20) | |
| 588 AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 10 AND 20) | |
| 589 } | |
| 590 } {} | |
| 591 } | |
| 592 | |
| 593 # Make sure WHERE clauses of the form A=1 AND (B=2 OR B=3) are optimized | |
| 594 # when we have an index on A and B. | |
| 595 # | |
| 596 ifcapable or_opt&&tclvar { | |
| 597 do_test where2-9.1 { | |
| 598 execsql { | |
| 599 BEGIN; | |
| 600 CREATE TABLE t10(a,b,c); | |
| 601 INSERT INTO t10 VALUES(1,1,1); | |
| 602 INSERT INTO t10 VALUES(1,2,2); | |
| 603 INSERT INTO t10 VALUES(1,3,3); | |
| 604 } | |
| 605 for {set i 4} {$i<=1000} {incr i} { | |
| 606 execsql {INSERT INTO t10 VALUES(1,$i,$i)} | |
| 607 } | |
| 608 execsql { | |
| 609 CREATE INDEX i10 ON t10(a,b); | |
| 610 COMMIT; | |
| 611 SELECT count(*) FROM t10; | |
| 612 } | |
| 613 } 1000 | |
| 614 ifcapable subquery { | |
| 615 do_test where2-9.2 { | |
| 616 count { | |
| 617 SELECT * FROM t10 WHERE a=1 AND (b=2 OR b=3) | |
| 618 } | |
| 619 } {1 2 2 1 3 3 7} | |
| 620 } | |
| 621 } | |
| 622 | |
| 623 finish_test | |
| OLD | NEW |