1# 2010 July 14 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. Specifically, 12# it tests that ticket [80e031a00f45dca877ed92b225209cfa09280f4f] has been 13# resolved. That ticket is about IN and NOT IN operators with empty-set 14# right-hand sides. Such expressions should always return TRUE or FALSE 15# even if the left-hand side is NULL. 16# 17 18set testdir [file dirname $argv0] 19source $testdir/tester.tcl 20source $testdir/lock_common.tcl 21source $testdir/malloc_common.tcl 22 23# EVIDENCE-OF: R-52275-55503 When the right operand is an empty set, the 24# result of IN is false and the result of NOT IN is true, regardless of 25# the left operand and even if the left operand is NULL. 26# 27# EVIDENCE-OF: R-64309-54027 Note that SQLite allows the parenthesized 28# list of scalar values on the right-hand side of an IN or NOT IN 29# operator to be an empty list but most other SQL database engines and 30# the SQL92 standard require the list to contain at least one element. 31# 32do_execsql_test tkt-80e031a00f.1 {SELECT 1 IN ()} 0 33do_execsql_test tkt-80e031a00f.1b {SELECT 1 IN (2)} 0 34do_execsql_test tkt-80e031a00f.1c {SELECT 1 IN (2,3,4,5,6,7,8,9)} 0 35do_execsql_test tkt-80e031a00f.2 {SELECT 1 NOT IN ()} 1 36do_execsql_test tkt-80e031a00f.2b {SELECT 1 NOT IN (2)} 1 37do_execsql_test tkt-80e031a00f.2c {SELECT 1 NOT IN (2,3,4,5,6,7,8,9)} 1 38do_execsql_test tkt-80e031a00f.3 {SELECT null IN ()} 0 39do_execsql_test tkt-80e031a00f.4 {SELECT null NOT IN ()} 1 40do_execsql_test tkt-80e031a00f.5 { 41 CREATE TABLE t1(x); 42 SELECT 1 IN t1; 43} 0 44do_execsql_test tkt-80e031a00f.6 {SELECT 1 NOT IN t1} 1 45do_execsql_test tkt-80e031a00f.7 {SELECT null IN t1} 0 46do_execsql_test tkt-80e031a00f.8 {SELECT null NOT IN t1} 1 47do_execsql_test tkt-80e031a00f.9 { 48 CREATE TABLE t2(y INTEGER PRIMARY KEY); 49 SELECT 1 IN t2; 50} 0 51do_execsql_test tkt-80e031a00f.10 {SELECT 1 NOT IN t2} 1 52do_execsql_test tkt-80e031a00f.11 {SELECT null IN t2} 0 53do_execsql_test tkt-80e031a00f.12 {SELECT null NOT IN t2} 1 54do_execsql_test tkt-80e031a00f.13 { 55 CREATE TABLE t3(z INT UNIQUE); 56 SELECT 1 IN t3; 57} 0 58do_execsql_test tkt-80e031a00f.14 {SELECT 1 NOT IN t3} 1 59do_execsql_test tkt-80e031a00f.15 {SELECT null IN t3} 0 60do_execsql_test tkt-80e031a00f.16 {SELECT null NOT IN t3} 1 61do_execsql_test tkt-80e031a00f.17 {SELECT 1 IN (SELECT x+y FROM t1, t2)} 0 62do_execsql_test tkt-80e031a00f.18 {SELECT 1 NOT IN (SELECT x+y FROM t1,t2)} 1 63do_execsql_test tkt-80e031a00f.19 {SELECT null IN (SELECT x+y FROM t1,t2)} 0 64do_execsql_test tkt-80e031a00f.20 {SELECT null NOT IN (SELECT x+y FROM t1,t2)} 1 65do_execsql_test tkt-80e031a00f.21 {SELECT 1.23 IN ()} 0 66do_execsql_test tkt-80e031a00f.22 {SELECT 1.23 NOT IN ()} 1 67do_execsql_test tkt-80e031a00f.23 {SELECT 1.23 IN t1} 0 68do_execsql_test tkt-80e031a00f.24 {SELECT 1.23 NOT IN t1} 1 69do_execsql_test tkt-80e031a00f.25 {SELECT 'hello' IN ()} 0 70do_execsql_test tkt-80e031a00f.26 {SELECT 'hello' NOT IN ()} 1 71do_execsql_test tkt-80e031a00f.27 {SELECT 'hello' IN t1} 0 72do_execsql_test tkt-80e031a00f.28 {SELECT 'hello' NOT IN t1} 1 73do_execsql_test tkt-80e031a00f.29 {SELECT x'303132' IN ()} 0 74do_execsql_test tkt-80e031a00f.30 {SELECT x'303132' NOT IN ()} 1 75do_execsql_test tkt-80e031a00f.31 {SELECT x'303132' IN t1} 0 76do_execsql_test tkt-80e031a00f.32 {SELECT x'303132' NOT IN t1} 1 77 78# EVIDENCE-OF: R-50221-42915 The result of an IN or NOT IN operator is 79# determined by the following matrix: Left operand is NULL Right operand 80# contains NULL Right operand is an empty set Left operand found within 81# right operand Result of IN operator Result of NOT IN operator no no no 82# no false true does not matter no yes no false true no does not matter 83# no yes true false no yes no no NULL NULL yes does not matter no does 84# not matter NULL NULL 85# 86# Row 1: 87do_execsql_test tkt-80e031a00f.100 {SELECT 1 IN (2,3,4)} 0 88do_execsql_test tkt-80e031a00f.101 {SELECT 1 NOT IN (2,3,4)} 1 89do_execsql_test tkt-80e031a00f.102 {SELECT 'a' IN ('b','c','d')} 0 90do_execsql_test tkt-80e031a00f.103 {SELECT 'a' NOT IN ('b','c','d')} 1 91do_test tkt-80e031a00f.104 { 92 db eval { 93 CREATE TABLE t4(a UNIQUE); 94 CREATE TABLE t5(b INTEGER PRIMARY KEY); 95 CREATE TABLE t6(c); 96 INSERT INTO t4 VALUES(2); 97 INSERT INTO t4 VALUES(3); 98 INSERT INTO t4 VALUES(4); 99 INSERT INTO t5 SELECT * FROM t4; 100 INSERT INTO t6 SELECT * FROM t4; 101 CREATE TABLE t4n(a UNIQUE); 102 CREATE TABLE t6n(c); 103 INSERT INTO t4n SELECT * FROM t4; 104 INSERT INTO t4n VALUES(null); 105 INSERT INTO t6n SELECT * FROM t4n; 106 CREATE TABLE t7(a UNIQUE); 107 CREATE TABLE t8(c); 108 INSERT INTO t7 VALUES('b'); 109 INSERT INTO t7 VALUES('c'); 110 INSERT INTO t7 VALUES('d'); 111 INSERT INTO t8 SELECT * FROM t7; 112 CREATE TABLE t7n(a UNIQUE); 113 CREATE TABLE t8n(c); 114 INSERT INTO t7n SELECT * FROM t7; 115 INSERT INTO t7n VALUES(null); 116 INSERT INTO t8n SELECT * FROM t7n; 117 } 118 execsql {SELECT 1 IN t4} 119} 0 120do_execsql_test tkt-80e031a00f.105 {SELECT 1 NOT IN t4} 1 121do_execsql_test tkt-80e031a00f.106 {SELECT 1 IN t5} 0 122do_execsql_test tkt-80e031a00f.107 {SELECT 1 NOT IN t5} 1 123do_execsql_test tkt-80e031a00f.108 {SELECT 1 IN t6} 0 124do_execsql_test tkt-80e031a00f.109 {SELECT 1 NOT IN t6} 1 125do_execsql_test tkt-80e031a00f.110 {SELECT 'a' IN t7} 0 126do_execsql_test tkt-80e031a00f.111 {SELECT 'a' NOT IN t7} 1 127do_execsql_test tkt-80e031a00f.112 {SELECT 'a' IN t8} 0 128do_execsql_test tkt-80e031a00f.113 {SELECT 'a' NOT IN t8} 1 129# 130# Row 2 is tested by cases 1-32 above. 131# Row 3: 132do_execsql_test tkt-80e031a00f.300 {SELECT 2 IN (2,3,4,null)} 1 133do_execsql_test tkt-80e031a00f.301 {SELECT 3 NOT IN (2,3,4,null)} 0 134do_execsql_test tkt-80e031a00f.302 {SELECT 4 IN (2,3,4)} 1 135do_execsql_test tkt-80e031a00f.303 {SELECT 2 NOT IN (2,3,4)} 0 136do_execsql_test tkt-80e031a00f.304 {SELECT 'b' IN ('b','c','d')} 1 137do_execsql_test tkt-80e031a00f.305 {SELECT 'c' NOT IN ('b','c','d')} 0 138do_execsql_test tkt-80e031a00f.306 {SELECT 'd' IN ('b','c',null,'d')} 1 139do_execsql_test tkt-80e031a00f.307 {SELECT 'b' NOT IN (null,'b','c','d')} 0 140do_execsql_test tkt-80e031a00f.308 {SELECT 2 IN t4} 1 141do_execsql_test tkt-80e031a00f.309 {SELECT 3 NOT IN t4} 0 142do_execsql_test tkt-80e031a00f.310 {SELECT 4 IN t4n} 1 143do_execsql_test tkt-80e031a00f.311 {SELECT 2 NOT IN t4n} 0 144do_execsql_test tkt-80e031a00f.312 {SELECT 2 IN t5} 1 145do_execsql_test tkt-80e031a00f.313 {SELECT 3 NOT IN t5} 0 146do_execsql_test tkt-80e031a00f.314 {SELECT 2 IN t6} 1 147do_execsql_test tkt-80e031a00f.315 {SELECT 3 NOT IN t6} 0 148do_execsql_test tkt-80e031a00f.316 {SELECT 4 IN t6n} 1 149do_execsql_test tkt-80e031a00f.317 {SELECT 2 NOT IN t6n} 0 150do_execsql_test tkt-80e031a00f.318 {SELECT 'b' IN t7} 1 151do_execsql_test tkt-80e031a00f.319 {SELECT 'c' NOT IN t7} 0 152do_execsql_test tkt-80e031a00f.320 {SELECT 'c' IN t7n} 1 153do_execsql_test tkt-80e031a00f.321 {SELECT 'd' NOT IN t7n} 0 154do_execsql_test tkt-80e031a00f.322 {SELECT 'b' IN t8} 1 155do_execsql_test tkt-80e031a00f.323 {SELECT 'c' NOT IN t8} 0 156do_execsql_test tkt-80e031a00f.324 {SELECT 'c' IN t8n} 1 157do_execsql_test tkt-80e031a00f.325 {SELECT 'd' NOT IN t8n} 0 158do_execsql_test tkt-80e031a00f.326 {SELECT 'a' IN (NULL,'a')} 1 159do_execsql_test tkt-80e031a00f.327 {SELECT 'a' IN (NULL,'b')} {{}} 160do_execsql_test tkt-80e031a00f.328 {SELECT 'a' NOT IN (NULL,'a')} 0 161do_execsql_test tkt-80e031a00f.329 {SELECT 'a' NOT IN (NULL,'b')} {{}} 162# 163# Row 4: 164do_execsql_test tkt-80e031a00f.400 {SELECT 1 IN (2,3,4,null)} {{}} 165do_execsql_test tkt-80e031a00f.401 {SELECT 1 NOT IN (2,3,4,null)} {{}} 166do_execsql_test tkt-80e031a00f.402 {SELECT 'a' IN ('b','c',null,'d')} {{}} 167do_execsql_test tkt-80e031a00f.403 {SELECT 'a' NOT IN (null,'b','c','d')} {{}} 168do_execsql_test tkt-80e031a00f.404 {SELECT 1 IN t4n} {{}} 169do_execsql_test tkt-80e031a00f.405 {SELECT 5 NOT IN t4n} {{}} 170do_execsql_test tkt-80e031a00f.406 {SELECT 6 IN t6n} {{}} 171do_execsql_test tkt-80e031a00f.407 {SELECT 7 NOT IN t6n} {{}} 172do_execsql_test tkt-80e031a00f.408 {SELECT 'a' IN t7n} {{}} 173do_execsql_test tkt-80e031a00f.409 {SELECT 'e' NOT IN t7n} {{}} 174do_execsql_test tkt-80e031a00f.410 {SELECT 'f' IN t8n} {{}} 175do_execsql_test tkt-80e031a00f.411 {SELECT 'g' NOT IN t8n} {{}} 176# 177# Row 5: 178do_execsql_test tkt-80e031a00f.500 {SELECT null IN (2,3,4,null)} {{}} 179do_execsql_test tkt-80e031a00f.501 {SELECT null NOT IN (2,3,4,null)} {{}} 180do_execsql_test tkt-80e031a00f.502 {SELECT null IN (2,3,4)} {{}} 181do_execsql_test tkt-80e031a00f.503 {SELECT null NOT IN (2,3,4)} {{}} 182do_execsql_test tkt-80e031a00f.504 {SELECT null IN ('b','c','d')} {{}} 183do_execsql_test tkt-80e031a00f.505 {SELECT null NOT IN ('b','c','d')} {{}} 184do_execsql_test tkt-80e031a00f.506 {SELECT null IN ('b','c',null,'d')} {{}} 185do_execsql_test tkt-80e031a00f.507 {SELECT null NOT IN (null,'b','c','d')} {{}} 186do_execsql_test tkt-80e031a00f.508 {SELECT null IN t4} {{}} 187do_execsql_test tkt-80e031a00f.509 {SELECT null NOT IN t4} {{}} 188do_execsql_test tkt-80e031a00f.510 {SELECT null IN t4n} {{}} 189do_execsql_test tkt-80e031a00f.511 {SELECT null NOT IN t4n} {{}} 190do_execsql_test tkt-80e031a00f.512 {SELECT null IN t5} {{}} 191do_execsql_test tkt-80e031a00f.513 {SELECT null NOT IN t5} {{}} 192do_execsql_test tkt-80e031a00f.514 {SELECT null IN t6} {{}} 193do_execsql_test tkt-80e031a00f.515 {SELECT null NOT IN t6} {{}} 194do_execsql_test tkt-80e031a00f.516 {SELECT null IN t6n} {{}} 195do_execsql_test tkt-80e031a00f.517 {SELECT null NOT IN t6n} {{}} 196do_execsql_test tkt-80e031a00f.518 {SELECT null IN t7} {{}} 197do_execsql_test tkt-80e031a00f.519 {SELECT null NOT IN t7} {{}} 198do_execsql_test tkt-80e031a00f.520 {SELECT null IN t7n} {{}} 199do_execsql_test tkt-80e031a00f.521 {SELECT null NOT IN t7n} {{}} 200do_execsql_test tkt-80e031a00f.522 {SELECT null IN t8} {{}} 201do_execsql_test tkt-80e031a00f.523 {SELECT null NOT IN t8} {{}} 202do_execsql_test tkt-80e031a00f.524 {SELECT null IN t8n} {{}} 203do_execsql_test tkt-80e031a00f.525 {SELECT null NOT IN t8n} {{}} 204 205finish_test 206