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| 1 # 2005 Jan 24 |
| 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. |
| 12 # |
| 13 # This file tests the various conditions under which an SQLITE_SCHEMA |
| 14 # error should be returned. |
| 15 # |
| 16 # $Id: schema.test,v 1.9 2009/02/04 17:40:58 drh Exp $ |
| 17 |
| 18 #--------------------------------------------------------------------- |
| 19 # When any of the following types of SQL statements or actions are |
| 20 # executed, all pre-compiled statements are invalidated. An attempt |
| 21 # to execute an invalidated statement always returns SQLITE_SCHEMA. |
| 22 # |
| 23 # CREATE/DROP TABLE...................................schema-1.* |
| 24 # CREATE/DROP VIEW....................................schema-2.* |
| 25 # CREATE/DROP TRIGGER.................................schema-3.* |
| 26 # CREATE/DROP INDEX...................................schema-4.* |
| 27 # DETACH..............................................schema-5.* |
| 28 # Deleting a user-function............................schema-6.* |
| 29 # Deleting a collation sequence.......................schema-7.* |
| 30 # Setting or changing the authorization function......schema-8.* |
| 31 # Rollback of a DDL statement.........................schema-12.* |
| 32 # |
| 33 # Test cases schema-9.* and schema-10.* test some specific bugs |
| 34 # that came up during development. |
| 35 # |
| 36 # Test cases schema-11.* test that it is impossible to delete or |
| 37 # change a collation sequence or user-function while SQL statements |
| 38 # are executing. Adding new collations or functions is allowed. |
| 39 # |
| 40 |
| 41 set testdir [file dirname $argv0] |
| 42 source $testdir/tester.tcl |
| 43 |
| 44 do_test schema-1.1 { |
| 45 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 46 execsql { |
| 47 CREATE TABLE abc(a, b, c); |
| 48 } |
| 49 sqlite3_step $::STMT |
| 50 } {SQLITE_ERROR} |
| 51 do_test schema-1.2 { |
| 52 sqlite3_finalize $::STMT |
| 53 } {SQLITE_SCHEMA} |
| 54 do_test schema-1.3 { |
| 55 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 56 execsql { |
| 57 DROP TABLE abc; |
| 58 } |
| 59 sqlite3_step $::STMT |
| 60 } {SQLITE_ERROR} |
| 61 do_test schema-1.4 { |
| 62 sqlite3_finalize $::STMT |
| 63 } {SQLITE_SCHEMA} |
| 64 |
| 65 ifcapable view { |
| 66 do_test schema-2.1 { |
| 67 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 68 execsql { |
| 69 CREATE VIEW v1 AS SELECT * FROM sqlite_master; |
| 70 } |
| 71 sqlite3_step $::STMT |
| 72 } {SQLITE_ERROR} |
| 73 do_test schema-2.2 { |
| 74 sqlite3_finalize $::STMT |
| 75 } {SQLITE_SCHEMA} |
| 76 do_test schema-2.3 { |
| 77 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 78 execsql { |
| 79 DROP VIEW v1; |
| 80 } |
| 81 sqlite3_step $::STMT |
| 82 } {SQLITE_ERROR} |
| 83 do_test schema-2.4 { |
| 84 sqlite3_finalize $::STMT |
| 85 } {SQLITE_SCHEMA} |
| 86 } |
| 87 |
| 88 ifcapable trigger { |
| 89 do_test schema-3.1 { |
| 90 execsql { |
| 91 CREATE TABLE abc(a, b, c); |
| 92 } |
| 93 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 94 execsql { |
| 95 CREATE TRIGGER abc_trig AFTER INSERT ON abc BEGIN |
| 96 SELECT 1, 2, 3; |
| 97 END; |
| 98 } |
| 99 sqlite3_step $::STMT |
| 100 } {SQLITE_ERROR} |
| 101 do_test schema-3.2 { |
| 102 sqlite3_finalize $::STMT |
| 103 } {SQLITE_SCHEMA} |
| 104 do_test schema-3.3 { |
| 105 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 106 execsql { |
| 107 DROP TRIGGER abc_trig; |
| 108 } |
| 109 sqlite3_step $::STMT |
| 110 } {SQLITE_ERROR} |
| 111 do_test schema-3.4 { |
| 112 sqlite3_finalize $::STMT |
| 113 } {SQLITE_SCHEMA} |
| 114 } |
| 115 |
| 116 do_test schema-4.1 { |
| 117 catchsql { |
| 118 CREATE TABLE abc(a, b, c); |
| 119 } |
| 120 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 121 execsql { |
| 122 CREATE INDEX abc_index ON abc(a); |
| 123 } |
| 124 sqlite3_step $::STMT |
| 125 } {SQLITE_ERROR} |
| 126 do_test schema-4.2 { |
| 127 sqlite3_finalize $::STMT |
| 128 } {SQLITE_SCHEMA} |
| 129 do_test schema-4.3 { |
| 130 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 131 execsql { |
| 132 DROP INDEX abc_index; |
| 133 } |
| 134 sqlite3_step $::STMT |
| 135 } {SQLITE_ERROR} |
| 136 do_test schema-4.4 { |
| 137 sqlite3_finalize $::STMT |
| 138 } {SQLITE_SCHEMA} |
| 139 |
| 140 #--------------------------------------------------------------------- |
| 141 # Tests 5.1 to 5.4 check that prepared statements are invalidated when |
| 142 # a database is DETACHed (but not when one is ATTACHed). |
| 143 # |
| 144 ifcapable attach { |
| 145 do_test schema-5.1 { |
| 146 set sql {SELECT * FROM abc;} |
| 147 set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] |
| 148 execsql { |
| 149 ATTACH 'test2.db' AS aux; |
| 150 } |
| 151 sqlite3_step $::STMT |
| 152 } {SQLITE_DONE} |
| 153 do_test schema-5.2 { |
| 154 sqlite3_reset $::STMT |
| 155 } {SQLITE_OK} |
| 156 do_test schema-5.3 { |
| 157 execsql { |
| 158 DETACH aux; |
| 159 } |
| 160 sqlite3_step $::STMT |
| 161 } {SQLITE_ERROR} |
| 162 do_test schema-5.4 { |
| 163 sqlite3_finalize $::STMT |
| 164 } {SQLITE_SCHEMA} |
| 165 } |
| 166 |
| 167 #--------------------------------------------------------------------- |
| 168 # Tests 6.* check that prepared statements are invalidated when |
| 169 # a user-function is deleted (but not when one is added). |
| 170 do_test schema-6.1 { |
| 171 set sql {SELECT * FROM abc;} |
| 172 set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] |
| 173 db function hello_function {} |
| 174 sqlite3_step $::STMT |
| 175 } {SQLITE_DONE} |
| 176 do_test schema-6.2 { |
| 177 sqlite3_reset $::STMT |
| 178 } {SQLITE_OK} |
| 179 do_test schema-6.3 { |
| 180 sqlite_delete_function $::DB hello_function |
| 181 sqlite3_step $::STMT |
| 182 } {SQLITE_ERROR} |
| 183 do_test schema-6.4 { |
| 184 sqlite3_finalize $::STMT |
| 185 } {SQLITE_SCHEMA} |
| 186 |
| 187 #--------------------------------------------------------------------- |
| 188 # Tests 7.* check that prepared statements are invalidated when |
| 189 # a collation sequence is deleted (but not when one is added). |
| 190 # |
| 191 ifcapable utf16 { |
| 192 do_test schema-7.1 { |
| 193 set sql {SELECT * FROM abc;} |
| 194 set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] |
| 195 add_test_collate $::DB 1 1 1 |
| 196 sqlite3_step $::STMT |
| 197 } {SQLITE_DONE} |
| 198 do_test schema-7.2 { |
| 199 sqlite3_reset $::STMT |
| 200 } {SQLITE_OK} |
| 201 do_test schema-7.3 { |
| 202 add_test_collate $::DB 0 0 0 |
| 203 sqlite3_step $::STMT |
| 204 } {SQLITE_ERROR} |
| 205 do_test schema-7.4 { |
| 206 sqlite3_finalize $::STMT |
| 207 } {SQLITE_SCHEMA} |
| 208 } |
| 209 |
| 210 #--------------------------------------------------------------------- |
| 211 # Tests 8.1 and 8.2 check that prepared statements are invalidated when |
| 212 # the authorization function is set. |
| 213 # |
| 214 ifcapable auth { |
| 215 do_test schema-8.1 { |
| 216 set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] |
| 217 db auth {} |
| 218 sqlite3_step $::STMT |
| 219 } {SQLITE_ERROR} |
| 220 do_test schema-8.3 { |
| 221 sqlite3_finalize $::STMT |
| 222 } {SQLITE_SCHEMA} |
| 223 } |
| 224 |
| 225 #--------------------------------------------------------------------- |
| 226 # schema-9.1: Test that if a table is dropped by one database connection, |
| 227 # other database connections are aware of the schema change. |
| 228 # schema-9.2: Test that if a view is dropped by one database connection, |
| 229 # other database connections are aware of the schema change. |
| 230 # |
| 231 do_test schema-9.1 { |
| 232 sqlite3 db2 test.db |
| 233 execsql { |
| 234 DROP TABLE abc; |
| 235 } db2 |
| 236 db2 close |
| 237 catchsql { |
| 238 SELECT * FROM abc; |
| 239 } |
| 240 } {1 {no such table: abc}} |
| 241 execsql { |
| 242 CREATE TABLE abc(a, b, c); |
| 243 } |
| 244 ifcapable view { |
| 245 do_test schema-9.2 { |
| 246 execsql { |
| 247 CREATE VIEW abcview AS SELECT * FROM abc; |
| 248 } |
| 249 sqlite3 db2 test.db |
| 250 execsql { |
| 251 DROP VIEW abcview; |
| 252 } db2 |
| 253 db2 close |
| 254 catchsql { |
| 255 SELECT * FROM abcview; |
| 256 } |
| 257 } {1 {no such table: abcview}} |
| 258 } |
| 259 |
| 260 #--------------------------------------------------------------------- |
| 261 # Test that if a CREATE TABLE statement fails because there are other |
| 262 # btree cursors open on the same database file it does not corrupt |
| 263 # the sqlite_master table. |
| 264 # |
| 265 # 2007-05-02: These tests have been overcome by events. Open btree |
| 266 # cursors no longer block CREATE TABLE. But there is no reason not |
| 267 # to keep the tests in the test suite. |
| 268 # |
| 269 do_test schema-10.1 { |
| 270 execsql { |
| 271 INSERT INTO abc VALUES(1, 2, 3); |
| 272 } |
| 273 set sql {SELECT * FROM abc} |
| 274 set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] |
| 275 sqlite3_step $::STMT |
| 276 } {SQLITE_ROW} |
| 277 do_test schema-10.2 { |
| 278 catchsql { |
| 279 CREATE TABLE t2(a, b, c); |
| 280 } |
| 281 } {0 {}} |
| 282 do_test schema-10.3 { |
| 283 sqlite3_finalize $::STMT |
| 284 } {SQLITE_OK} |
| 285 do_test schema-10.4 { |
| 286 sqlite3 db2 test.db |
| 287 execsql { |
| 288 SELECT * FROM abc |
| 289 } db2 |
| 290 } {1 2 3} |
| 291 do_test schema-10.5 { |
| 292 db2 close |
| 293 } {} |
| 294 |
| 295 #--------------------------------------------------------------------- |
| 296 # Attempting to delete or replace a user-function or collation sequence |
| 297 # while there are active statements returns an SQLITE_BUSY error. |
| 298 # |
| 299 # schema-11.1 - 11.4: User function. |
| 300 # schema-11.5 - 11.8: Collation sequence. |
| 301 # |
| 302 do_test schema-11.1 { |
| 303 db function tstfunc {} |
| 304 set sql {SELECT * FROM abc} |
| 305 set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] |
| 306 sqlite3_step $::STMT |
| 307 } {SQLITE_ROW} |
| 308 do_test schema-11.2 { |
| 309 sqlite_delete_function $::DB tstfunc |
| 310 } {SQLITE_BUSY} |
| 311 do_test schema-11.3 { |
| 312 set rc [catch { |
| 313 db function tstfunc {} |
| 314 } msg] |
| 315 list $rc $msg |
| 316 } {1 {unable to delete/modify user-function due to active statements}} |
| 317 do_test schema-11.4 { |
| 318 sqlite3_finalize $::STMT |
| 319 } {SQLITE_OK} |
| 320 do_test schema-11.5 { |
| 321 db collate tstcollate {} |
| 322 set sql {SELECT * FROM abc} |
| 323 set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] |
| 324 sqlite3_step $::STMT |
| 325 } {SQLITE_ROW} |
| 326 do_test schema-11.6 { |
| 327 sqlite_delete_collation $::DB tstcollate |
| 328 } {SQLITE_BUSY} |
| 329 do_test schema-11.7 { |
| 330 set rc [catch { |
| 331 db collate tstcollate {} |
| 332 } msg] |
| 333 list $rc $msg |
| 334 } {1 {unable to delete/modify collation sequence due to active statements}} |
| 335 do_test schema-11.8 { |
| 336 sqlite3_finalize $::STMT |
| 337 } {SQLITE_OK} |
| 338 |
| 339 # The following demonstrates why statements need to be expired whenever |
| 340 # there is a rollback (explicit or otherwise). |
| 341 # |
| 342 do_test schema-12.1 { |
| 343 # Begin a transaction and create a table. This increments |
| 344 # the schema cookie. Then compile an SQL statement, using |
| 345 # the current (incremented) value of the cookie. |
| 346 execsql { |
| 347 BEGIN; |
| 348 CREATE TABLE t3(a, b, c); |
| 349 } |
| 350 set ::STMT [sqlite3_prepare $::DB "CREATE TABLE t4(a,b,c)" -1 TAIL] |
| 351 |
| 352 # Rollback the transaction, resetting the schema cookie to the value |
| 353 # it had at the start of this test case. Then create a table, |
| 354 # incrementing the schema cookie. |
| 355 execsql { |
| 356 ROLLBACK; |
| 357 CREATE TABLE t4(a, b, c); |
| 358 } |
| 359 |
| 360 # The schema cookie now has the same value as it did when SQL statement |
| 361 # $::STMT was prepared. So unless it has been expired, it would be |
| 362 # possible to run the "CREATE TABLE t4" statement and create a |
| 363 # duplicate table. |
| 364 list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT] |
| 365 } {SQLITE_ERROR SQLITE_SCHEMA} |
| 366 |
| 367 ifcapable {auth} { |
| 368 |
| 369 do_test schema-13.1 { |
| 370 set S [sqlite3_prepare_v2 db "SELECT * FROM sqlite_master" -1 dummy] |
| 371 db function hello hello |
| 372 db function hello {} |
| 373 db auth auth |
| 374 proc auth {args} { |
| 375 if {[lindex $args 0] == "SQLITE_READ"} {return SQLITE_DENY} |
| 376 return SQLITE_OK |
| 377 } |
| 378 sqlite3_step $S |
| 379 } {SQLITE_AUTH} |
| 380 |
| 381 do_test schema-13.2 { |
| 382 sqlite3_step $S |
| 383 } {SQLITE_AUTH} |
| 384 |
| 385 do_test schema-13.3 { |
| 386 sqlite3_finalize $S |
| 387 } {SQLITE_AUTH} |
| 388 |
| 389 } |
| 390 |
| 391 finish_test |
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