1# 2009 August 06 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# 12# This file implements regression tests for SQLite library. This file 13# implements tests for range and LIKE constraints that use bound variables 14# instead of literal constant arguments. 15# 16 17set testdir [file dirname $argv0] 18source $testdir/tester.tcl 19 20ifcapable !stat4&&!stat3 { 21 finish_test 22 return 23} 24 25#---------------------------------------------------------------------- 26# Test Organization: 27# 28# analyze3-1.*: Test that the values of bound parameters are considered 29# in the same way as constants when planning queries that 30# use range constraints. 31# 32# analyze3-2.*: Test that the values of bound parameters are considered 33# in the same way as constants when planning queries that 34# use LIKE expressions in the WHERE clause. 35# 36# analyze3-3.*: Test that binding to a variable does not invalidate the 37# query plan when there is no way in which replanning the 38# query may produce a superior outcome. 39# 40# analyze3-4.*: Test that SQL or authorization callback errors occuring 41# within sqlite3Reprepare() are handled correctly. 42# 43# analyze3-5.*: Check that the query plans of applicable statements are 44# invalidated if the values of SQL parameter are modified 45# using the clear_bindings() or transfer_bindings() APIs. 46# 47# analyze3-6.*: Test that the problem fixed by commit [127a5b776d] is fixed. 48# 49 50proc getvar {varname} { uplevel #0 set $varname } 51db function var getvar 52 53proc eqp {sql {db db}} { 54 uplevel execsql [list "EXPLAIN QUERY PLAN $sql"] $db 55} 56 57proc sf_execsql {sql {db db}} { 58 set ::sqlite_search_count 0 59 set r [uplevel [list execsql $sql $db]] 60 61 concat $::sqlite_search_count [$db status step] $r 62} 63 64#------------------------------------------------------------------------- 65# 66# analyze3-1.1.1: 67# Create a table with two columns. Populate the first column (affinity 68# INTEGER) with integer values from 100 to 1100. Create an index on this 69# column. ANALYZE the table. 70# 71# analyze3-1.1.2 - 3.1.3 72# Show that there are two possible plans for querying the table with 73# a range constraint on the indexed column - "full table scan" or "use 74# the index". When the range is specified using literal values, SQLite 75# is able to pick the best plan based on the samples in sqlite_stat3. 76# 77# analyze3-1.1.4 - 3.1.9 78# Show that using SQL variables produces the same results as using 79# literal values to constrain the range scan. 80# 81# These tests also check that the compiler code considers column 82# affinities when estimating the number of rows scanned by the "use 83# index strategy". 84# 85do_test analyze3-1.1.1 { 86 execsql { 87 BEGIN; 88 CREATE TABLE t1(x INTEGER, y); 89 CREATE INDEX i1 ON t1(x); 90 } 91 for {set i 0} {$i < 1000} {incr i} { 92 execsql { INSERT INTO t1 VALUES($i+100, $i) } 93 } 94 execsql { 95 COMMIT; 96 ANALYZE; 97 } 98 99 ifcapable stat4 { 100 execsql { SELECT count(*)>0 FROM sqlite_stat4; } 101 } else { 102 execsql { SELECT count(*)>0 FROM sqlite_stat3; } 103 } 104} {1} 105 106do_execsql_test analyze3-1.1.x { 107 SELECT count(*) FROM t1 WHERE x>200 AND x<300; 108 SELECT count(*) FROM t1 WHERE x>0 AND x<1100; 109} {99 1000} 110 111# The first of the following two SELECT statements visits 99 rows. So 112# it is better to use the index. But the second visits every row in 113# the table (1000 in total) so it is better to do a full-table scan. 114# 115do_eqp_test analyze3-1.1.2 { 116 SELECT sum(y) FROM t1 WHERE x>200 AND x<300 117} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (x>? AND x<?)}} 118do_eqp_test analyze3-1.1.3 { 119 SELECT sum(y) FROM t1 WHERE x>0 AND x<1100 120} {0 0 0 {SCAN TABLE t1}} 121 122do_test analyze3-1.1.4 { 123 sf_execsql { SELECT sum(y) FROM t1 WHERE x>200 AND x<300 } 124} {199 0 14850} 125do_test analyze3-1.1.5 { 126 set l [string range "200" 0 end] 127 set u [string range "300" 0 end] 128 sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u } 129} {199 0 14850} 130do_test analyze3-1.1.6 { 131 set l [expr int(200)] 132 set u [expr int(300)] 133 sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u } 134} {199 0 14850} 135do_test analyze3-1.1.7 { 136 sf_execsql { SELECT sum(y) FROM t1 WHERE x>0 AND x<1100 } 137} {999 999 499500} 138do_test analyze3-1.1.8 { 139 set l [string range "0" 0 end] 140 set u [string range "1100" 0 end] 141 sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u } 142} {999 999 499500} 143do_test analyze3-1.1.9 { 144 set l [expr int(0)] 145 set u [expr int(1100)] 146 sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u } 147} {999 999 499500} 148 149 150# The following tests are similar to the block above. The difference is 151# that the indexed column has TEXT affinity in this case. In the tests 152# above the affinity is INTEGER. 153# 154do_test analyze3-1.2.1 { 155 execsql { 156 BEGIN; 157 CREATE TABLE t2(x TEXT, y); 158 INSERT INTO t2 SELECT * FROM t1; 159 CREATE INDEX i2 ON t2(x); 160 COMMIT; 161 ANALYZE; 162 } 163} {} 164do_execsql_test analyze3-2.1.x { 165 SELECT count(*) FROM t2 WHERE x>1 AND x<2; 166 SELECT count(*) FROM t2 WHERE x>0 AND x<99; 167} {200 990} 168do_eqp_test analyze3-1.2.2 { 169 SELECT sum(y) FROM t2 WHERE x>1 AND x<2 170} {0 0 0 {SEARCH TABLE t2 USING INDEX i2 (x>? AND x<?)}} 171do_eqp_test analyze3-1.2.3 { 172 SELECT sum(y) FROM t2 WHERE x>0 AND x<99 173} {0 0 0 {SCAN TABLE t2}} 174 175do_test analyze3-1.2.4 { 176 sf_execsql { SELECT sum(y) FROM t2 WHERE x>12 AND x<20 } 177} {161 0 4760} 178do_test analyze3-1.2.5 { 179 set l [string range "12" 0 end] 180 set u [string range "20" 0 end] 181 sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u} 182} {161 0 text text 4760} 183do_test analyze3-1.2.6 { 184 set l [expr int(12)] 185 set u [expr int(20)] 186 sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u} 187} {161 0 integer integer 4760} 188do_test analyze3-1.2.7 { 189 sf_execsql { SELECT sum(y) FROM t2 WHERE x>0 AND x<99 } 190} {999 999 490555} 191do_test analyze3-1.2.8 { 192 set l [string range "0" 0 end] 193 set u [string range "99" 0 end] 194 sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u} 195} {999 999 text text 490555} 196do_test analyze3-1.2.9 { 197 set l [expr int(0)] 198 set u [expr int(99)] 199 sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u} 200} {999 999 integer integer 490555} 201 202# Same tests a third time. This time, column x has INTEGER affinity and 203# is not the leftmost column of the table. This triggered a bug causing 204# SQLite to use sub-optimal query plans in 3.6.18 and earlier. 205# 206do_test analyze3-1.3.1 { 207 execsql { 208 BEGIN; 209 CREATE TABLE t3(y TEXT, x INTEGER); 210 INSERT INTO t3 SELECT y, x FROM t1; 211 CREATE INDEX i3 ON t3(x); 212 COMMIT; 213 ANALYZE; 214 } 215} {} 216do_execsql_test analyze3-1.3.x { 217 SELECT count(*) FROM t3 WHERE x>200 AND x<300; 218 SELECT count(*) FROM t3 WHERE x>0 AND x<1100 219} {99 1000} 220do_eqp_test analyze3-1.3.2 { 221 SELECT sum(y) FROM t3 WHERE x>200 AND x<300 222} {0 0 0 {SEARCH TABLE t3 USING INDEX i3 (x>? AND x<?)}} 223do_eqp_test analyze3-1.3.3 { 224 SELECT sum(y) FROM t3 WHERE x>0 AND x<1100 225} {0 0 0 {SCAN TABLE t3}} 226 227do_test analyze3-1.3.4 { 228 sf_execsql { SELECT sum(y) FROM t3 WHERE x>200 AND x<300 } 229} {199 0 14850} 230do_test analyze3-1.3.5 { 231 set l [string range "200" 0 end] 232 set u [string range "300" 0 end] 233 sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u } 234} {199 0 14850} 235do_test analyze3-1.3.6 { 236 set l [expr int(200)] 237 set u [expr int(300)] 238 sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u } 239} {199 0 14850} 240do_test analyze3-1.3.7 { 241 sf_execsql { SELECT sum(y) FROM t3 WHERE x>0 AND x<1100 } 242} {999 999 499500} 243do_test analyze3-1.3.8 { 244 set l [string range "0" 0 end] 245 set u [string range "1100" 0 end] 246 sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u } 247} {999 999 499500} 248do_test analyze3-1.3.9 { 249 set l [expr int(0)] 250 set u [expr int(1100)] 251 sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u } 252} {999 999 499500} 253 254#------------------------------------------------------------------------- 255# Test that the values of bound SQL variables may be used for the LIKE 256# optimization. 257# 258drop_all_tables 259do_test analyze3-2.1 { 260 execsql { 261 PRAGMA case_sensitive_like=off; 262 BEGIN; 263 CREATE TABLE t1(a, b TEXT COLLATE nocase); 264 CREATE INDEX i1 ON t1(b); 265 } 266 for {set i 0} {$i < 1000} {incr i} { 267 set t "" 268 append t [lindex {a b c d e f g h i j} [expr $i/100]] 269 append t [lindex {a b c d e f g h i j} [expr ($i/10)%10]] 270 append t [lindex {a b c d e f g h i j} [expr ($i%10)]] 271 execsql { INSERT INTO t1 VALUES($i, $t) } 272 } 273 execsql COMMIT 274} {} 275do_eqp_test analyze3-2.2 { 276 SELECT count(a) FROM t1 WHERE b LIKE 'a%' 277} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b>? AND b<?)}} 278do_eqp_test analyze3-2.3 { 279 SELECT count(a) FROM t1 WHERE b LIKE '%a' 280} {0 0 0 {SCAN TABLE t1}} 281 282do_test analyze3-2.4 { 283 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE 'a%' } 284} {101 0 100} 285do_test analyze3-2.5 { 286 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE '%a' } 287} {999 999 100} 288 289do_test analyze3-2.4 { 290 set like "a%" 291 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like } 292} {101 0 100} 293do_test analyze3-2.5 { 294 set like "%a" 295 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like } 296} {999 999 100} 297do_test analyze3-2.6 { 298 set like "a" 299 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like } 300} {101 0 0} 301do_test analyze3-2.7 { 302 set like "ab" 303 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like } 304} {11 0 0} 305do_test analyze3-2.8 { 306 set like "abc" 307 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like } 308} {2 0 1} 309do_test analyze3-2.9 { 310 set like "a_c" 311 sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like } 312} {101 0 10} 313 314 315#------------------------------------------------------------------------- 316# This block of tests checks that statements are correctly marked as 317# expired when the values bound to any parameters that may affect the 318# query plan are modified. 319# 320drop_all_tables 321db auth auth 322proc auth {args} { 323 set ::auth 1 324 return SQLITE_OK 325} 326 327do_test analyze3-3.1 { 328 execsql { 329 BEGIN; 330 CREATE TABLE t1(a, b, c); 331 CREATE INDEX i1 ON t1(b); 332 } 333 for {set i 0} {$i < 100} {incr i} { 334 execsql { INSERT INTO t1 VALUES($i, $i, $i) } 335 } 336 execsql COMMIT 337 execsql ANALYZE 338} {} 339do_test analyze3-3.2.1 { 340 set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE b>?" -1 dummy] 341 sqlite3_expired $S 342} {0} 343do_test analyze3-3.2.2 { 344 sqlite3_bind_text $S 1 "abc" 3 345 sqlite3_expired $S 346} {1} 347do_test analyze3-3.2.4 { 348 sqlite3_finalize $S 349} {SQLITE_OK} 350 351do_test analyze3-3.2.5 { 352 set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE b=?" -1 dummy] 353 sqlite3_expired $S 354} {0} 355do_test analyze3-3.2.6 { 356 sqlite3_bind_text $S 1 "abc" 3 357 sqlite3_expired $S 358} {1} 359do_test analyze3-3.2.7 { 360 sqlite3_finalize $S 361} {SQLITE_OK} 362 363do_test analyze3-3.4.1 { 364 set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy] 365 sqlite3_expired $S 366} {0} 367do_test analyze3-3.4.2 { 368 sqlite3_bind_text $S 1 "abc" 3 369 sqlite3_expired $S 370} {0} 371do_test analyze3-3.4.3 { 372 sqlite3_bind_text $S 2 "def" 3 373 sqlite3_expired $S 374} {1} 375do_test analyze3-3.4.4 { 376 sqlite3_bind_text $S 2 "ghi" 3 377 sqlite3_expired $S 378} {1} 379do_test analyze3-3.4.5 { 380 sqlite3_expired $S 381} {1} 382do_test analyze3-3.4.6 { 383 sqlite3_finalize $S 384} {SQLITE_OK} 385 386do_test analyze3-3.5.1 { 387 set S [sqlite3_prepare_v2 db { 388 SELECT * FROM t1 WHERE a IN ( 389 ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, 390 ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20, 391 ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31 392 ) AND b>?32; 393 } -1 dummy] 394 sqlite3_expired $S 395} {0} 396do_test analyze3-3.5.2 { 397 sqlite3_bind_text $S 31 "abc" 3 398 sqlite3_expired $S 399} {0} 400do_test analyze3-3.5.3 { 401 sqlite3_bind_text $S 32 "def" 3 402 sqlite3_expired $S 403} {1} 404do_test analyze3-3.5.5 { 405 sqlite3_finalize $S 406} {SQLITE_OK} 407 408do_test analyze3-3.6.1 { 409 set S [sqlite3_prepare_v2 db { 410 SELECT * FROM t1 WHERE a IN ( 411 ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, 412 ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20, 413 ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32 414 ) AND b>?33; 415 } -1 dummy] 416 sqlite3_expired $S 417} {0} 418do_test analyze3-3.6.2 { 419 sqlite3_bind_text $S 32 "abc" 3 420 sqlite3_expired $S 421} {1} 422do_test analyze3-3.6.3 { 423 sqlite3_bind_text $S 33 "def" 3 424 sqlite3_expired $S 425} {1} 426do_test analyze3-3.6.5 { 427 sqlite3_finalize $S 428} {SQLITE_OK} 429 430do_test analyze3-3.7.1 { 431 set S [sqlite3_prepare_v2 db { 432 SELECT * FROM t1 WHERE a IN ( 433 ?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?33, 434 ?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20, 435 ?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32 436 ) AND b>?10; 437 } -1 dummy] 438 sqlite3_expired $S 439} {0} 440do_test analyze3-3.7.2 { 441 sqlite3_bind_text $S 32 "abc" 3 442 sqlite3_expired $S 443} {0} 444do_test analyze3-3.7.3 { 445 sqlite3_bind_text $S 33 "def" 3 446 sqlite3_expired $S 447} {0} 448do_test analyze3-3.7.4 { 449 sqlite3_bind_text $S 10 "def" 3 450 sqlite3_expired $S 451} {1} 452do_test analyze3-3.7.6 { 453 sqlite3_finalize $S 454} {SQLITE_OK} 455 456do_test analyze3-3.8.1 { 457 execsql { 458 CREATE TABLE t4(x, y TEXT COLLATE NOCASE); 459 CREATE INDEX i4 ON t4(y); 460 } 461} {} 462do_test analyze3-3.8.2 { 463 set S [sqlite3_prepare_v2 db { 464 SELECT * FROM t4 WHERE x != ? AND y LIKE ? 465 } -1 dummy] 466 sqlite3_expired $S 467} {0} 468do_test analyze3-3.8.3 { 469 sqlite3_bind_text $S 1 "abc" 3 470 sqlite3_expired $S 471} {0} 472do_test analyze3-3.8.4 { 473 sqlite3_bind_text $S 2 "def" 3 474 sqlite3_expired $S 475} {1} 476do_test analyze3-3.8.7 { 477 sqlite3_bind_text $S 2 "ghi%" 4 478 sqlite3_expired $S 479} {1} 480do_test analyze3-3.8.8 { 481 sqlite3_expired $S 482} {1} 483do_test analyze3-3.8.9 { 484 sqlite3_bind_text $S 2 "ghi%def" 7 485 sqlite3_expired $S 486} {1} 487do_test analyze3-3.8.10 { 488 sqlite3_expired $S 489} {1} 490do_test analyze3-3.8.11 { 491 sqlite3_bind_text $S 2 "%ab" 3 492 sqlite3_expired $S 493} {1} 494do_test analyze3-3.8.12 { 495 sqlite3_expired $S 496} {1} 497do_test analyze3-3.8.12 { 498 sqlite3_bind_text $S 2 "%de" 3 499 sqlite3_expired $S 500} {1} 501do_test analyze3-3.8.13 { 502 sqlite3_expired $S 503} {1} 504do_test analyze3-3.8.14 { 505 sqlite3_finalize $S 506} {SQLITE_OK} 507 508#------------------------------------------------------------------------- 509# These tests check that errors encountered while repreparing an SQL 510# statement within sqlite3Reprepare() are handled correctly. 511# 512 513# Check a schema error. 514# 515do_test analyze3-4.1.1 { 516 set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy] 517 sqlite3_step $S 518} {SQLITE_DONE} 519do_test analyze3-4.1.2 { 520 sqlite3_reset $S 521 sqlite3_bind_text $S 2 "abc" 3 522 execsql { DROP TABLE t1 } 523 sqlite3_step $S 524} {SQLITE_ERROR} 525do_test analyze3-4.1.3 { 526 sqlite3_finalize $S 527} {SQLITE_ERROR} 528 529# Check an authorization error. 530# 531do_test analyze3-4.2.1 { 532 execsql { 533 BEGIN; 534 CREATE TABLE t1(a, b, c); 535 CREATE INDEX i1 ON t1(b); 536 } 537 for {set i 0} {$i < 100} {incr i} { 538 execsql { INSERT INTO t1 VALUES($i, $i, $i) } 539 } 540 execsql COMMIT 541 execsql ANALYZE 542 set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy] 543 sqlite3_step $S 544} {SQLITE_DONE} 545db auth auth 546proc auth {args} { 547 if {[lindex $args 0] == "SQLITE_READ"} {return SQLITE_DENY} 548 return SQLITE_OK 549} 550do_test analyze3-4.2.2 { 551 sqlite3_reset $S 552 sqlite3_bind_text $S 2 "abc" 3 553 sqlite3_step $S 554} {SQLITE_AUTH} 555do_test analyze3-4.2.4 { 556 sqlite3_finalize $S 557} {SQLITE_AUTH} 558 559# Check the effect of an authorization error that occurs in a re-prepare 560# performed by sqlite3_step() is the same as one that occurs within 561# sqlite3Reprepare(). 562# 563do_test analyze3-4.3.1 { 564 db auth {} 565 set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy] 566 execsql { CREATE TABLE t2(d, e, f) } 567 db auth auth 568 sqlite3_step $S 569} {SQLITE_AUTH} 570do_test analyze3-4.3.2 { 571 sqlite3_finalize $S 572} {SQLITE_AUTH} 573db auth {} 574 575#------------------------------------------------------------------------- 576# Test that modifying bound variables using the clear_bindings() or 577# transfer_bindings() APIs works. 578# 579# analyze3-5.1.*: sqlite3_clear_bindings() 580# analyze3-5.2.*: sqlite3_transfer_bindings() 581# 582do_test analyze3-5.1.1 { 583 drop_all_tables 584 execsql { 585 CREATE TABLE t1(x TEXT COLLATE NOCASE); 586 CREATE INDEX i1 ON t1(x); 587 INSERT INTO t1 VALUES('aaa'); 588 INSERT INTO t1 VALUES('abb'); 589 INSERT INTO t1 VALUES('acc'); 590 INSERT INTO t1 VALUES('baa'); 591 INSERT INTO t1 VALUES('bbb'); 592 INSERT INTO t1 VALUES('bcc'); 593 } 594 595 set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE x LIKE ?" -1 dummy] 596 sqlite3_bind_text $S 1 "a%" 2 597 set R [list] 598 while { "SQLITE_ROW" == [sqlite3_step $S] } { 599 lappend R [sqlite3_column_text $S 0] 600 } 601 concat [sqlite3_reset $S] $R 602} {SQLITE_OK aaa abb acc} 603do_test analyze3-5.1.2 { 604 sqlite3_clear_bindings $S 605 set R [list] 606 while { "SQLITE_ROW" == [sqlite3_step $S] } { 607 lappend R [sqlite3_column_text $S 0] 608 } 609 concat [sqlite3_reset $S] $R 610} {SQLITE_OK} 611do_test analyze3-5.1.3 { 612 sqlite3_finalize $S 613} {SQLITE_OK} 614 615do_test analyze3-5.1.1 { 616 set S1 [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE x LIKE ?" -1 dummy] 617 sqlite3_bind_text $S1 1 "b%" 2 618 set R [list] 619 while { "SQLITE_ROW" == [sqlite3_step $S1] } { 620 lappend R [sqlite3_column_text $S1 0] 621 } 622 concat [sqlite3_reset $S1] $R 623} {SQLITE_OK baa bbb bcc} 624 625do_test analyze3-5.1.2 { 626 set S2 [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE x = ?" -1 dummy] 627 sqlite3_bind_text $S2 1 "a%" 2 628 sqlite3_transfer_bindings $S2 $S1 629 set R [list] 630 while { "SQLITE_ROW" == [sqlite3_step $S1] } { 631 lappend R [sqlite3_column_text $S1 0] 632 } 633 concat [sqlite3_reset $S1] $R 634} {SQLITE_OK aaa abb acc} 635do_test analyze3-5.1.3 { 636 sqlite3_finalize $S2 637 sqlite3_finalize $S1 638} {SQLITE_OK} 639 640#------------------------------------------------------------------------- 641 642do_test analyze3-6.1 { 643 execsql { DROP TABLE IF EXISTS t1 } 644 execsql BEGIN 645 execsql { CREATE TABLE t1(a, b, c) } 646 for {set i 0} {$i < 1000} {incr i} { 647 execsql "INSERT INTO t1 VALUES([expr $i/100], 'x', [expr $i/10])" 648 } 649 execsql { 650 CREATE INDEX i1 ON t1(a, b); 651 CREATE INDEX i2 ON t1(c); 652 } 653 execsql COMMIT 654 execsql ANALYZE 655} {} 656 657do_eqp_test analyze3-6-3 { 658 SELECT * FROM t1 WHERE a = 5 AND c = 13; 659} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (c=?)}} 660 661do_eqp_test analyze3-6-2 { 662 SELECT * FROM t1 WHERE a = 5 AND b > 'w' AND c = 13; 663} {0 0 0 {SEARCH TABLE t1 USING INDEX i2 (c=?)}} 664 665finish_test 666