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| 1 # 2001 September 27 | |
| 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 CREATE UNIQUE INDEX statement, | |
| 13 # and primary keys, and the UNIQUE constraint on table columns | |
| 14 # | |
| 15 # $Id: unique.test,v 1.9 2009/05/02 15:46:47 drh Exp $ | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 | |
| 20 # Try to create a table with two primary keys. | |
| 21 # (This is allowed in SQLite even that it is not valid SQL) | |
| 22 # | |
| 23 do_test unique-1.1 { | |
| 24 catchsql { | |
| 25 CREATE TABLE t1( | |
| 26 a int PRIMARY KEY, | |
| 27 b int PRIMARY KEY, | |
| 28 c text | |
| 29 ); | |
| 30 } | |
| 31 } {1 {table "t1" has more than one primary key}} | |
| 32 do_test unique-1.1b { | |
| 33 catchsql { | |
| 34 CREATE TABLE t1( | |
| 35 a int PRIMARY KEY, | |
| 36 b int UNIQUE, | |
| 37 c text | |
| 38 ); | |
| 39 } | |
| 40 } {0 {}} | |
| 41 do_test unique-1.2 { | |
| 42 catchsql { | |
| 43 INSERT INTO t1(a,b,c) VALUES(1,2,3) | |
| 44 } | |
| 45 } {0 {}} | |
| 46 do_test unique-1.3 { | |
| 47 catchsql { | |
| 48 INSERT INTO t1(a,b,c) VALUES(1,3,4) | |
| 49 } | |
| 50 } {1 {UNIQUE constraint failed: t1.a}} | |
| 51 verify_ex_errcode unique-1.3b SQLITE_CONSTRAINT_PRIMARYKEY | |
| 52 do_test unique-1.4 { | |
| 53 execsql { | |
| 54 SELECT * FROM t1 ORDER BY a; | |
| 55 } | |
| 56 } {1 2 3} | |
| 57 do_test unique-1.5 { | |
| 58 catchsql { | |
| 59 INSERT INTO t1(a,b,c) VALUES(3,2,4) | |
| 60 } | |
| 61 } {1 {UNIQUE constraint failed: t1.b}} | |
| 62 verify_ex_errcode unique-1.5b SQLITE_CONSTRAINT_UNIQUE | |
| 63 do_test unique-1.6 { | |
| 64 execsql { | |
| 65 SELECT * FROM t1 ORDER BY a; | |
| 66 } | |
| 67 } {1 2 3} | |
| 68 do_test unique-1.7 { | |
| 69 catchsql { | |
| 70 INSERT INTO t1(a,b,c) VALUES(3,4,5) | |
| 71 } | |
| 72 } {0 {}} | |
| 73 do_test unique-1.8 { | |
| 74 execsql { | |
| 75 SELECT * FROM t1 ORDER BY a; | |
| 76 } | |
| 77 } {1 2 3 3 4 5} | |
| 78 integrity_check unique-1.9 | |
| 79 | |
| 80 do_test unique-2.0 { | |
| 81 execsql { | |
| 82 DROP TABLE t1; | |
| 83 CREATE TABLE t2(a int, b int); | |
| 84 INSERT INTO t2(a,b) VALUES(1,2); | |
| 85 INSERT INTO t2(a,b) VALUES(3,4); | |
| 86 SELECT * FROM t2 ORDER BY a; | |
| 87 } | |
| 88 } {1 2 3 4} | |
| 89 do_test unique-2.1 { | |
| 90 catchsql { | |
| 91 CREATE UNIQUE INDEX i2 ON t2(a) | |
| 92 } | |
| 93 } {0 {}} | |
| 94 do_test unique-2.2 { | |
| 95 catchsql { | |
| 96 SELECT * FROM t2 ORDER BY a | |
| 97 } | |
| 98 } {0 {1 2 3 4}} | |
| 99 do_test unique-2.3 { | |
| 100 catchsql { | |
| 101 INSERT INTO t2 VALUES(1,5); | |
| 102 } | |
| 103 } {1 {UNIQUE constraint failed: t2.a}} | |
| 104 verify_ex_errcode unique-2.3b SQLITE_CONSTRAINT_UNIQUE | |
| 105 do_test unique-2.4 { | |
| 106 catchsql { | |
| 107 SELECT * FROM t2 ORDER BY a | |
| 108 } | |
| 109 } {0 {1 2 3 4}} | |
| 110 do_test unique-2.5 { | |
| 111 catchsql { | |
| 112 DROP INDEX i2; | |
| 113 SELECT * FROM t2 ORDER BY a; | |
| 114 } | |
| 115 } {0 {1 2 3 4}} | |
| 116 do_test unique-2.6 { | |
| 117 catchsql { | |
| 118 INSERT INTO t2 VALUES(1,5) | |
| 119 } | |
| 120 } {0 {}} | |
| 121 do_test unique-2.7 { | |
| 122 catchsql { | |
| 123 SELECT * FROM t2 ORDER BY a, b; | |
| 124 } | |
| 125 } {0 {1 2 1 5 3 4}} | |
| 126 do_test unique-2.8 { | |
| 127 catchsql { | |
| 128 CREATE UNIQUE INDEX i2 ON t2(a); | |
| 129 } | |
| 130 } {1 {UNIQUE constraint failed: t2.a}} | |
| 131 verify_ex_errcode unique-2.8b SQLITE_CONSTRAINT_UNIQUE | |
| 132 do_test unique-2.9 { | |
| 133 catchsql { | |
| 134 CREATE INDEX i2 ON t2(a); | |
| 135 } | |
| 136 } {0 {}} | |
| 137 integrity_check unique-2.10 | |
| 138 | |
| 139 # Test the UNIQUE keyword as used on two or more fields. | |
| 140 # | |
| 141 do_test unique-3.1 { | |
| 142 catchsql { | |
| 143 CREATE TABLE t3( | |
| 144 a int, | |
| 145 b int, | |
| 146 c int, | |
| 147 d int, | |
| 148 unique(a,c,d) | |
| 149 ); | |
| 150 } | |
| 151 } {0 {}} | |
| 152 do_test unique-3.2 { | |
| 153 catchsql { | |
| 154 INSERT INTO t3(a,b,c,d) VALUES(1,2,3,4); | |
| 155 SELECT * FROM t3 ORDER BY a,b,c,d; | |
| 156 } | |
| 157 } {0 {1 2 3 4}} | |
| 158 do_test unique-3.3 { | |
| 159 catchsql { | |
| 160 INSERT INTO t3(a,b,c,d) VALUES(1,2,3,5); | |
| 161 SELECT * FROM t3 ORDER BY a,b,c,d; | |
| 162 } | |
| 163 } {0 {1 2 3 4 1 2 3 5}} | |
| 164 do_test unique-3.4 { | |
| 165 catchsql { | |
| 166 INSERT INTO t3(a,b,c,d) VALUES(1,4,3,5); | |
| 167 SELECT * FROM t3 ORDER BY a,b,c,d; | |
| 168 } | |
| 169 } {1 {UNIQUE constraint failed: t3.a, t3.c, t3.d}} | |
| 170 verify_ex_errcode unique-3.4b SQLITE_CONSTRAINT_UNIQUE | |
| 171 integrity_check unique-3.5 | |
| 172 | |
| 173 # Make sure NULLs are distinct as far as the UNIQUE tests are | |
| 174 # concerned. | |
| 175 # | |
| 176 do_test unique-4.1 { | |
| 177 execsql { | |
| 178 CREATE TABLE t4(a UNIQUE, b, c, UNIQUE(b,c)); | |
| 179 INSERT INTO t4 VALUES(1,2,3); | |
| 180 INSERT INTO t4 VALUES(NULL, 2, NULL); | |
| 181 SELECT * FROM t4; | |
| 182 } | |
| 183 } {1 2 3 {} 2 {}} | |
| 184 do_test unique-4.2 { | |
| 185 catchsql { | |
| 186 INSERT INTO t4 VALUES(NULL, 3, 4); | |
| 187 } | |
| 188 } {0 {}} | |
| 189 do_test unique-4.3 { | |
| 190 execsql { | |
| 191 SELECT * FROM t4 | |
| 192 } | |
| 193 } {1 2 3 {} 2 {} {} 3 4} | |
| 194 do_test unique-4.4 { | |
| 195 catchsql { | |
| 196 INSERT INTO t4 VALUES(2, 2, NULL); | |
| 197 } | |
| 198 } {0 {}} | |
| 199 do_test unique-4.5 { | |
| 200 execsql { | |
| 201 SELECT * FROM t4 | |
| 202 } | |
| 203 } {1 2 3 {} 2 {} {} 3 4 2 2 {}} | |
| 204 | |
| 205 # Ticket #1301. Any NULL value in a set of unique columns should | |
| 206 # cause the rows to be distinct. | |
| 207 # | |
| 208 do_test unique-4.6 { | |
| 209 catchsql { | |
| 210 INSERT INTO t4 VALUES(NULL, 2, NULL); | |
| 211 } | |
| 212 } {0 {}} | |
| 213 do_test unique-4.7 { | |
| 214 execsql {SELECT * FROM t4} | |
| 215 } {1 2 3 {} 2 {} {} 3 4 2 2 {} {} 2 {}} | |
| 216 do_test unique-4.8 { | |
| 217 catchsql {CREATE UNIQUE INDEX i4a ON t4(a,b)} | |
| 218 } {0 {}} | |
| 219 do_test unique-4.9 { | |
| 220 catchsql {CREATE UNIQUE INDEX i4b ON t4(a,b,c)} | |
| 221 } {0 {}} | |
| 222 do_test unique-4.10 { | |
| 223 catchsql {CREATE UNIQUE INDEX i4c ON t4(b)} | |
| 224 } {1 {UNIQUE constraint failed: t4.b}} | |
| 225 verify_ex_errcode unique-4.10b SQLITE_CONSTRAINT_UNIQUE | |
| 226 integrity_check unique-4.99 | |
| 227 | |
| 228 # Test the error message generation logic. In particular, make sure we | |
| 229 # do not overflow the static buffer used to generate the error message. | |
| 230 # | |
| 231 do_test unique-5.1 { | |
| 232 execsql { | |
| 233 CREATE TABLE t5( | |
| 234 first_column_with_long_name, | |
| 235 second_column_with_long_name, | |
| 236 third_column_with_long_name, | |
| 237 fourth_column_with_long_name, | |
| 238 fifth_column_with_long_name, | |
| 239 sixth_column_with_long_name, | |
| 240 UNIQUE( | |
| 241 first_column_with_long_name, | |
| 242 second_column_with_long_name, | |
| 243 third_column_with_long_name, | |
| 244 fourth_column_with_long_name, | |
| 245 fifth_column_with_long_name, | |
| 246 sixth_column_with_long_name | |
| 247 ) | |
| 248 ); | |
| 249 INSERT INTO t5 VALUES(1,2,3,4,5,6); | |
| 250 SELECT * FROM t5; | |
| 251 } | |
| 252 } {1 2 3 4 5 6} | |
| 253 do_test unique-5.2 { | |
| 254 catchsql { | |
| 255 INSERT INTO t5 VALUES(1,2,3,4,5,6); | |
| 256 } | |
| 257 } {1 {UNIQUE constraint failed: t5.first_column_with_long_name, t5.second_column
_with_long_name, t5.third_column_with_long_name, t5.fourth_column_with_long_name
, t5.fifth_column_with_long_name, t5.sixth_column_with_long_name}} | |
| 258 verify_ex_errcode unique-5.2b SQLITE_CONSTRAINT_UNIQUE | |
| 259 | |
| 260 | |
| 261 finish_test | |
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