1*c5c4113dSnw141292 2*c5c4113dSnw141292#pragma ident "%Z%%M% %I% %E% SMI" 3*c5c4113dSnw141292 4*c5c4113dSnw141292# 2001 September 15 5*c5c4113dSnw141292# 6*c5c4113dSnw141292# The author disclaims copyright to this source code. In place of 7*c5c4113dSnw141292# a legal notice, here is a blessing: 8*c5c4113dSnw141292# 9*c5c4113dSnw141292# May you do good and not evil. 10*c5c4113dSnw141292# May you find forgiveness for yourself and forgive others. 11*c5c4113dSnw141292# May you share freely, never taking more than you give. 12*c5c4113dSnw141292# 13*c5c4113dSnw141292#*********************************************************************** 14*c5c4113dSnw141292# This file implements regression tests for SQLite library. The 15*c5c4113dSnw141292# focus of this script is in-memory database backend. 16*c5c4113dSnw141292# 17*c5c4113dSnw141292# $Id: memdb.test,v 1.6 2003/08/05 13:13:39 drh Exp $ 18*c5c4113dSnw141292 19*c5c4113dSnw141292 20*c5c4113dSnw141292set testdir [file dirname $argv0] 21*c5c4113dSnw141292source $testdir/tester.tcl 22*c5c4113dSnw141292 23*c5c4113dSnw141292# In the following sequence of tests, compute the MD5 sum of the content 24*c5c4113dSnw141292# of a table, make lots of modifications to that table, then do a rollback. 25*c5c4113dSnw141292# Verify that after the rollback, the MD5 checksum is unchanged. 26*c5c4113dSnw141292# 27*c5c4113dSnw141292# These tests were browed from trans.tcl. 28*c5c4113dSnw141292# 29*c5c4113dSnw141292do_test memdb-1.1 { 30*c5c4113dSnw141292 db close 31*c5c4113dSnw141292 sqlite db :memory: 32*c5c4113dSnw141292 # sqlite db test.db 33*c5c4113dSnw141292 execsql { 34*c5c4113dSnw141292 BEGIN; 35*c5c4113dSnw141292 CREATE TABLE t3(x TEXT); 36*c5c4113dSnw141292 INSERT INTO t3 VALUES(randstr(10,400)); 37*c5c4113dSnw141292 INSERT INTO t3 VALUES(randstr(10,400)); 38*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 39*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 40*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 41*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 42*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 43*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 44*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 45*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 46*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3; 47*c5c4113dSnw141292 COMMIT; 48*c5c4113dSnw141292 SELECT count(*) FROM t3; 49*c5c4113dSnw141292 } 50*c5c4113dSnw141292} {1024} 51*c5c4113dSnw141292 52*c5c4113dSnw141292# The following procedure computes a "signature" for table "t3". If 53*c5c4113dSnw141292# T3 changes in any way, the signature should change. 54*c5c4113dSnw141292# 55*c5c4113dSnw141292# This is used to test ROLLBACK. We gather a signature for t3, then 56*c5c4113dSnw141292# make lots of changes to t3, then rollback and take another signature. 57*c5c4113dSnw141292# The two signatures should be the same. 58*c5c4113dSnw141292# 59*c5c4113dSnw141292proc signature {{fn {}}} { 60*c5c4113dSnw141292 set rx [db eval {SELECT x FROM t3}] 61*c5c4113dSnw141292 # set r1 [md5 $rx\n] 62*c5c4113dSnw141292 if {$fn!=""} { 63*c5c4113dSnw141292 # set fd [open $fn w] 64*c5c4113dSnw141292 # puts $fd $rx 65*c5c4113dSnw141292 # close $fd 66*c5c4113dSnw141292 } 67*c5c4113dSnw141292 # set r [db eval {SELECT count(*), md5sum(x) FROM t3}] 68*c5c4113dSnw141292 # puts "SIG($fn)=$r1" 69*c5c4113dSnw141292 return [list [string length $rx] $rx] 70*c5c4113dSnw141292} 71*c5c4113dSnw141292 72*c5c4113dSnw141292# Do rollbacks. Make sure the signature does not change. 73*c5c4113dSnw141292# 74*c5c4113dSnw141292set limit 10 75*c5c4113dSnw141292for {set i 2} {$i<=$limit} {incr i} { 76*c5c4113dSnw141292 set ::sig [signature one] 77*c5c4113dSnw141292 # puts "sig=$sig" 78*c5c4113dSnw141292 set cnt [lindex $::sig 0] 79*c5c4113dSnw141292 set ::journal_format [expr {($i%3)+1}] 80*c5c4113dSnw141292 if {$i%2==0} { 81*c5c4113dSnw141292 execsql {PRAGMA synchronous=FULL} 82*c5c4113dSnw141292 } else { 83*c5c4113dSnw141292 execsql {PRAGMA synchronous=NORMAL} 84*c5c4113dSnw141292 } 85*c5c4113dSnw141292 do_test memdb-1.$i.1-$cnt { 86*c5c4113dSnw141292 execsql { 87*c5c4113dSnw141292 BEGIN; 88*c5c4113dSnw141292 DELETE FROM t3 WHERE random()%10!=0; 89*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3; 90*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3; 91*c5c4113dSnw141292 ROLLBACK; 92*c5c4113dSnw141292 } 93*c5c4113dSnw141292 set sig2 [signature two] 94*c5c4113dSnw141292 } $sig 95*c5c4113dSnw141292 # puts "sig2=$sig2" 96*c5c4113dSnw141292 # if {$sig2!=$sig} exit 97*c5c4113dSnw141292 do_test memdb-1.$i.2-$cnt { 98*c5c4113dSnw141292 execsql { 99*c5c4113dSnw141292 BEGIN; 100*c5c4113dSnw141292 DELETE FROM t3 WHERE random()%10!=0; 101*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3; 102*c5c4113dSnw141292 DELETE FROM t3 WHERE random()%10!=0; 103*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3; 104*c5c4113dSnw141292 ROLLBACK; 105*c5c4113dSnw141292 } 106*c5c4113dSnw141292 signature 107*c5c4113dSnw141292 } $sig 108*c5c4113dSnw141292 if {$i<$limit} { 109*c5c4113dSnw141292 do_test memdb-1.$i.9-$cnt { 110*c5c4113dSnw141292 execsql { 111*c5c4113dSnw141292 INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0; 112*c5c4113dSnw141292 } 113*c5c4113dSnw141292 } {} 114*c5c4113dSnw141292 } 115*c5c4113dSnw141292 set ::pager_old_format 0 116*c5c4113dSnw141292} 117*c5c4113dSnw141292 118*c5c4113dSnw141292do_test memdb-2.1 { 119*c5c4113dSnw141292 execsql { 120*c5c4113dSnw141292 PRAGMA integrity_check 121*c5c4113dSnw141292 } 122*c5c4113dSnw141292} {ok} 123*c5c4113dSnw141292 124*c5c4113dSnw141292do_test memdb-3.1 { 125*c5c4113dSnw141292 execsql { 126*c5c4113dSnw141292 CREATE TABLE t4(a,b,c,d); 127*c5c4113dSnw141292 BEGIN; 128*c5c4113dSnw141292 INSERT INTO t4 VALUES(1,2,3,4); 129*c5c4113dSnw141292 SELECT * FROM t4; 130*c5c4113dSnw141292 } 131*c5c4113dSnw141292} {1 2 3 4} 132*c5c4113dSnw141292do_test memdb-3.2 { 133*c5c4113dSnw141292 execsql { 134*c5c4113dSnw141292 SELECT name FROM sqlite_master WHERE type='table'; 135*c5c4113dSnw141292 } 136*c5c4113dSnw141292} {t3 t4} 137*c5c4113dSnw141292do_test memdb-3.3 { 138*c5c4113dSnw141292 execsql { 139*c5c4113dSnw141292 DROP TABLE t4; 140*c5c4113dSnw141292 SELECT name FROM sqlite_master WHERE type='table'; 141*c5c4113dSnw141292 } 142*c5c4113dSnw141292} {t3} 143*c5c4113dSnw141292do_test memdb-3.4 { 144*c5c4113dSnw141292 execsql { 145*c5c4113dSnw141292 ROLLBACK; 146*c5c4113dSnw141292 SELECT name FROM sqlite_master WHERE type='table'; 147*c5c4113dSnw141292 } 148*c5c4113dSnw141292} {t3 t4} 149*c5c4113dSnw141292 150*c5c4113dSnw141292# Create tables for the first group of tests. 151*c5c4113dSnw141292# 152*c5c4113dSnw141292do_test memdb-4.0 { 153*c5c4113dSnw141292 execsql { 154*c5c4113dSnw141292 CREATE TABLE t1(a, b, c, UNIQUE(a,b)); 155*c5c4113dSnw141292 CREATE TABLE t2(x); 156*c5c4113dSnw141292 SELECT c FROM t1 ORDER BY c; 157*c5c4113dSnw141292 } 158*c5c4113dSnw141292} {} 159*c5c4113dSnw141292 160*c5c4113dSnw141292# Six columns of configuration data as follows: 161*c5c4113dSnw141292# 162*c5c4113dSnw141292# i The reference number of the test 163*c5c4113dSnw141292# conf The conflict resolution algorithm on the BEGIN statement 164*c5c4113dSnw141292# cmd An INSERT or REPLACE command to execute against table t1 165*c5c4113dSnw141292# t0 True if there is an error from $cmd 166*c5c4113dSnw141292# t1 Content of "c" column of t1 assuming no error in $cmd 167*c5c4113dSnw141292# t2 Content of "x" column of t2 168*c5c4113dSnw141292# 169*c5c4113dSnw141292foreach {i conf cmd t0 t1 t2} { 170*c5c4113dSnw141292 1 {} INSERT 1 {} 1 171*c5c4113dSnw141292 2 {} {INSERT OR IGNORE} 0 3 1 172*c5c4113dSnw141292 3 {} {INSERT OR REPLACE} 0 4 1 173*c5c4113dSnw141292 4 {} REPLACE 0 4 1 174*c5c4113dSnw141292 5 {} {INSERT OR FAIL} 1 {} 1 175*c5c4113dSnw141292 6 {} {INSERT OR ABORT} 1 {} 1 176*c5c4113dSnw141292 7 {} {INSERT OR ROLLBACK} 1 {} {} 177*c5c4113dSnw141292 8 IGNORE INSERT 0 3 1 178*c5c4113dSnw141292 9 IGNORE {INSERT OR IGNORE} 0 3 1 179*c5c4113dSnw141292 10 IGNORE {INSERT OR REPLACE} 0 4 1 180*c5c4113dSnw141292 11 IGNORE REPLACE 0 4 1 181*c5c4113dSnw141292 12 IGNORE {INSERT OR FAIL} 1 {} 1 182*c5c4113dSnw141292 13 IGNORE {INSERT OR ABORT} 1 {} 1 183*c5c4113dSnw141292 14 IGNORE {INSERT OR ROLLBACK} 1 {} {} 184*c5c4113dSnw141292 15 REPLACE INSERT 0 4 1 185*c5c4113dSnw141292 16 FAIL INSERT 1 {} 1 186*c5c4113dSnw141292 17 ABORT INSERT 1 {} 1 187*c5c4113dSnw141292 18 ROLLBACK INSERT 1 {} {} 188*c5c4113dSnw141292} { 189*c5c4113dSnw141292 do_test memdb-4.$i { 190*c5c4113dSnw141292 if {$conf!=""} {set conf "ON CONFLICT $conf"} 191*c5c4113dSnw141292 set r0 [catch {execsql [subst { 192*c5c4113dSnw141292 DELETE FROM t1; 193*c5c4113dSnw141292 DELETE FROM t2; 194*c5c4113dSnw141292 INSERT INTO t1 VALUES(1,2,3); 195*c5c4113dSnw141292 BEGIN $conf; 196*c5c4113dSnw141292 INSERT INTO t2 VALUES(1); 197*c5c4113dSnw141292 $cmd INTO t1 VALUES(1,2,4); 198*c5c4113dSnw141292 }]} r1] 199*c5c4113dSnw141292 catch {execsql {COMMIT}} 200*c5c4113dSnw141292 if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]} 201*c5c4113dSnw141292 set r2 [execsql {SELECT x FROM t2}] 202*c5c4113dSnw141292 list $r0 $r1 $r2 203*c5c4113dSnw141292 } [list $t0 $t1 $t2] 204*c5c4113dSnw141292} 205*c5c4113dSnw141292 206*c5c4113dSnw141292do_test memdb-5.0 { 207*c5c4113dSnw141292 execsql { 208*c5c4113dSnw141292 DROP TABLE t2; 209*c5c4113dSnw141292 DROP TABLE t3; 210*c5c4113dSnw141292 CREATE TABLE t2(a,b,c); 211*c5c4113dSnw141292 INSERT INTO t2 VALUES(1,2,1); 212*c5c4113dSnw141292 INSERT INTO t2 VALUES(2,3,2); 213*c5c4113dSnw141292 INSERT INTO t2 VALUES(3,4,1); 214*c5c4113dSnw141292 INSERT INTO t2 VALUES(4,5,4); 215*c5c4113dSnw141292 SELECT c FROM t2 ORDER BY b; 216*c5c4113dSnw141292 CREATE TABLE t3(x); 217*c5c4113dSnw141292 INSERT INTO t3 VALUES(1); 218*c5c4113dSnw141292 } 219*c5c4113dSnw141292} {1 2 1 4} 220*c5c4113dSnw141292 221*c5c4113dSnw141292# Six columns of configuration data as follows: 222*c5c4113dSnw141292# 223*c5c4113dSnw141292# i The reference number of the test 224*c5c4113dSnw141292# conf1 The conflict resolution algorithm on the UNIQUE constraint 225*c5c4113dSnw141292# conf2 The conflict resolution algorithm on the BEGIN statement 226*c5c4113dSnw141292# cmd An UPDATE command to execute against table t1 227*c5c4113dSnw141292# t0 True if there is an error from $cmd 228*c5c4113dSnw141292# t1 Content of "b" column of t1 assuming no error in $cmd 229*c5c4113dSnw141292# t2 Content of "x" column of t3 230*c5c4113dSnw141292# 231*c5c4113dSnw141292foreach {i conf1 conf2 cmd t0 t1 t2} { 232*c5c4113dSnw141292 1 {} {} UPDATE 1 {6 7 8 9} 1 233*c5c4113dSnw141292 2 REPLACE {} UPDATE 0 {7 6 9} 1 234*c5c4113dSnw141292 3 IGNORE {} UPDATE 0 {6 7 3 9} 1 235*c5c4113dSnw141292 4 FAIL {} UPDATE 1 {6 7 3 4} 1 236*c5c4113dSnw141292 5 ABORT {} UPDATE 1 {1 2 3 4} 1 237*c5c4113dSnw141292 6 ROLLBACK {} UPDATE 1 {1 2 3 4} 0 238*c5c4113dSnw141292 7 REPLACE {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1 239*c5c4113dSnw141292 8 IGNORE {} {UPDATE OR REPLACE} 0 {7 6 9} 1 240*c5c4113dSnw141292 9 FAIL {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1 241*c5c4113dSnw141292 10 ABORT {} {UPDATE OR REPLACE} 0 {7 6 9} 1 242*c5c4113dSnw141292 11 ROLLBACK {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1 243*c5c4113dSnw141292 12 {} {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1 244*c5c4113dSnw141292 13 {} {} {UPDATE OR REPLACE} 0 {7 6 9} 1 245*c5c4113dSnw141292 14 {} {} {UPDATE OR FAIL} 1 {6 7 3 4} 1 246*c5c4113dSnw141292 15 {} {} {UPDATE OR ABORT} 1 {1 2 3 4} 1 247*c5c4113dSnw141292 16 {} {} {UPDATE OR ROLLBACK} 1 {1 2 3 4} 0 248*c5c4113dSnw141292 17 {} IGNORE UPDATE 0 {6 7 3 9} 1 249*c5c4113dSnw141292 18 {} REPLACE UPDATE 0 {7 6 9} 1 250*c5c4113dSnw141292 19 {} FAIL UPDATE 1 {6 7 3 4} 1 251*c5c4113dSnw141292 20 {} ABORT UPDATE 1 {1 2 3 4} 1 252*c5c4113dSnw141292 21 {} ROLLBACK UPDATE 1 {1 2 3 4} 0 253*c5c4113dSnw141292 22 REPLACE IGNORE UPDATE 0 {6 7 3 9} 1 254*c5c4113dSnw141292 23 IGNORE REPLACE UPDATE 0 {7 6 9} 1 255*c5c4113dSnw141292 24 REPLACE FAIL UPDATE 1 {6 7 3 4} 1 256*c5c4113dSnw141292 25 IGNORE ABORT UPDATE 1 {1 2 3 4} 1 257*c5c4113dSnw141292 26 REPLACE ROLLBACK UPDATE 1 {1 2 3 4} 0 258*c5c4113dSnw141292} { 259*c5c4113dSnw141292 if {$t0} {set t1 {column a is not unique}} 260*c5c4113dSnw141292 do_test memdb-5.$i { 261*c5c4113dSnw141292 if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"} 262*c5c4113dSnw141292 if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"} 263*c5c4113dSnw141292 set r0 [catch {execsql [subst { 264*c5c4113dSnw141292 DROP TABLE t1; 265*c5c4113dSnw141292 CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1); 266*c5c4113dSnw141292 INSERT INTO t1 SELECT * FROM t2; 267*c5c4113dSnw141292 UPDATE t3 SET x=0; 268*c5c4113dSnw141292 BEGIN $conf2; 269*c5c4113dSnw141292 $cmd t3 SET x=1; 270*c5c4113dSnw141292 $cmd t1 SET b=b*2; 271*c5c4113dSnw141292 $cmd t1 SET a=c+5; 272*c5c4113dSnw141292 }]} r1] 273*c5c4113dSnw141292 catch {execsql {COMMIT}} 274*c5c4113dSnw141292 if {!$r0} {set r1 [execsql {SELECT a FROM t1 ORDER BY b}]} 275*c5c4113dSnw141292 set r2 [execsql {SELECT x FROM t3}] 276*c5c4113dSnw141292 list $r0 $r1 $r2 277*c5c4113dSnw141292 } [list $t0 $t1 $t2] 278*c5c4113dSnw141292} 279*c5c4113dSnw141292 280*c5c4113dSnw141292do_test memdb-6.1 { 281*c5c4113dSnw141292 execsql { 282*c5c4113dSnw141292 SELECT * FROM t2; 283*c5c4113dSnw141292 } 284*c5c4113dSnw141292} {1 2 1 2 3 2 3 4 1 4 5 4} 285*c5c4113dSnw141292do_test memdb-6.2 { 286*c5c4113dSnw141292 execsql { 287*c5c4113dSnw141292 BEGIN; 288*c5c4113dSnw141292 DROP TABLE t2; 289*c5c4113dSnw141292 SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1; 290*c5c4113dSnw141292 } 291*c5c4113dSnw141292} {t1 t3 t4} 292*c5c4113dSnw141292do_test memdb-6.3 { 293*c5c4113dSnw141292 execsql { 294*c5c4113dSnw141292 ROLLBACK; 295*c5c4113dSnw141292 SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1; 296*c5c4113dSnw141292 } 297*c5c4113dSnw141292} {t1 t2 t3 t4} 298*c5c4113dSnw141292do_test memdb-6.4 { 299*c5c4113dSnw141292 execsql { 300*c5c4113dSnw141292 SELECT * FROM t2; 301*c5c4113dSnw141292 } 302*c5c4113dSnw141292} {1 2 1 2 3 2 3 4 1 4 5 4} 303*c5c4113dSnw141292do_test memdb-6.5 { 304*c5c4113dSnw141292 execsql { 305*c5c4113dSnw141292 SELECT a FROM t2 UNION SELECT b FROM t2 ORDER BY 1; 306*c5c4113dSnw141292 } 307*c5c4113dSnw141292} {1 2 3 4 5} 308*c5c4113dSnw141292do_test memdb-6.6 { 309*c5c4113dSnw141292 execsql { 310*c5c4113dSnw141292 CREATE INDEX i2 ON t2(c); 311*c5c4113dSnw141292 SELECT a FROM t2 ORDER BY c; 312*c5c4113dSnw141292 } 313*c5c4113dSnw141292} {1 3 2 4} 314*c5c4113dSnw141292do_test memdb-6.6 { 315*c5c4113dSnw141292 execsql { 316*c5c4113dSnw141292 SELECT a FROM t2 ORDER BY c DESC; 317*c5c4113dSnw141292 } 318*c5c4113dSnw141292} {4 2 3 1} 319*c5c4113dSnw141292do_test memdb-6.7 { 320*c5c4113dSnw141292 execsql { 321*c5c4113dSnw141292 BEGIN; 322*c5c4113dSnw141292 CREATE TABLE t5(x,y); 323*c5c4113dSnw141292 INSERT INTO t5 VALUES(1,2); 324*c5c4113dSnw141292 SELECT * FROM t5; 325*c5c4113dSnw141292 } 326*c5c4113dSnw141292} {1 2} 327*c5c4113dSnw141292do_test memdb-6.8 { 328*c5c4113dSnw141292 execsql { 329*c5c4113dSnw141292 SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1; 330*c5c4113dSnw141292 } 331*c5c4113dSnw141292} {t1 t2 t3 t4 t5} 332*c5c4113dSnw141292do_test memdb-6.9 { 333*c5c4113dSnw141292 execsql { 334*c5c4113dSnw141292 ROLLBACK; 335*c5c4113dSnw141292 SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1; 336*c5c4113dSnw141292 } 337*c5c4113dSnw141292} {t1 t2 t3 t4} 338*c5c4113dSnw141292do_test memdb-6.10 { 339*c5c4113dSnw141292 execsql { 340*c5c4113dSnw141292 CREATE TABLE t5(x PRIMARY KEY, y UNIQUE); 341*c5c4113dSnw141292 SELECT * FROM t5; 342*c5c4113dSnw141292 } 343*c5c4113dSnw141292} {} 344*c5c4113dSnw141292do_test memdb-6.11 { 345*c5c4113dSnw141292 execsql { 346*c5c4113dSnw141292 SELECT * FROM t5 ORDER BY y DESC; 347*c5c4113dSnw141292 } 348*c5c4113dSnw141292} {} 349*c5c4113dSnw141292do_test memdb-6.12 { 350*c5c4113dSnw141292 execsql { 351*c5c4113dSnw141292 INSERT INTO t5 VALUES(1,2); 352*c5c4113dSnw141292 INSERT INTO t5 VALUES(3,4); 353*c5c4113dSnw141292 REPLACE INTO t5 VALUES(1,4); 354*c5c4113dSnw141292 SELECT rowid,* FROM t5; 355*c5c4113dSnw141292 } 356*c5c4113dSnw141292} {3 1 4} 357*c5c4113dSnw141292do_test memdb-6.13 { 358*c5c4113dSnw141292 execsql { 359*c5c4113dSnw141292 DELETE FROM t5 WHERE x>5; 360*c5c4113dSnw141292 SELECT * FROM t5; 361*c5c4113dSnw141292 } 362*c5c4113dSnw141292} {1 4} 363*c5c4113dSnw141292do_test memdb-6.14 { 364*c5c4113dSnw141292 execsql { 365*c5c4113dSnw141292 DELETE FROM t5 WHERE y<3; 366*c5c4113dSnw141292 SELECT * FROM t5; 367*c5c4113dSnw141292 } 368*c5c4113dSnw141292} {1 4} 369*c5c4113dSnw141292do_test memdb-6.15 { 370*c5c4113dSnw141292 execsql { 371*c5c4113dSnw141292 DELETE FROM t5 WHERE x>0; 372*c5c4113dSnw141292 SELECT * FROM t5; 373*c5c4113dSnw141292 } 374*c5c4113dSnw141292} {} 375*c5c4113dSnw141292 376*c5c4113dSnw141292do_test memdb-7.1 { 377*c5c4113dSnw141292 execsql { 378*c5c4113dSnw141292 CREATE TABLE t6(x); 379*c5c4113dSnw141292 INSERT INTO t6 VALUES(1); 380*c5c4113dSnw141292 INSERT INTO t6 SELECT x+1 FROM t6; 381*c5c4113dSnw141292 INSERT INTO t6 SELECT x+2 FROM t6; 382*c5c4113dSnw141292 INSERT INTO t6 SELECT x+4 FROM t6; 383*c5c4113dSnw141292 INSERT INTO t6 SELECT x+8 FROM t6; 384*c5c4113dSnw141292 INSERT INTO t6 SELECT x+16 FROM t6; 385*c5c4113dSnw141292 INSERT INTO t6 SELECT x+32 FROM t6; 386*c5c4113dSnw141292 INSERT INTO t6 SELECT x+64 FROM t6; 387*c5c4113dSnw141292 INSERT INTO t6 SELECT x+128 FROM t6; 388*c5c4113dSnw141292 SELECT count(*) FROM (SELECT DISTINCT x FROM t6); 389*c5c4113dSnw141292 } 390*c5c4113dSnw141292} {256} 391*c5c4113dSnw141292for {set i 1} {$i<=256} {incr i} { 392*c5c4113dSnw141292 do_test memdb-7.2.$i { 393*c5c4113dSnw141292 execsql "DELETE FROM t6 WHERE x=\ 394*c5c4113dSnw141292 (SELECT x FROM t6 ORDER BY random() LIMIT 1)" 395*c5c4113dSnw141292 execsql {SELECT count(*) FROM t6} 396*c5c4113dSnw141292 } [expr {256-$i}] 397*c5c4113dSnw141292} 398*c5c4113dSnw141292 399*c5c4113dSnw141292finish_test 400