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| 1 # 2001 October 7 |
| 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 implements tests for temporary tables and indices. |
| 14 # |
| 15 # $Id: temptable.test,v 1.21 2009/06/16 17:49:36 drh Exp $ |
| 16 |
| 17 set testdir [file dirname $argv0] |
| 18 source $testdir/tester.tcl |
| 19 |
| 20 ifcapable !tempdb { |
| 21 finish_test |
| 22 return |
| 23 } |
| 24 |
| 25 # Create an alternative connection to the database |
| 26 # |
| 27 do_test temptable-1.0 { |
| 28 sqlite3 db2 ./test.db |
| 29 set dummy {} |
| 30 } {} |
| 31 |
| 32 # Create a permanent table. |
| 33 # |
| 34 do_test temptable-1.1 { |
| 35 execsql {CREATE TABLE t1(a,b,c);} |
| 36 execsql {INSERT INTO t1 VALUES(1,2,3);} |
| 37 execsql {SELECT * FROM t1} |
| 38 } {1 2 3} |
| 39 do_test temptable-1.2 { |
| 40 catch {db2 eval {SELECT * FROM sqlite_master}} |
| 41 db2 eval {SELECT * FROM t1} |
| 42 } {1 2 3} |
| 43 do_test temptable-1.3 { |
| 44 execsql {SELECT name FROM sqlite_master} |
| 45 } {t1} |
| 46 do_test temptable-1.4 { |
| 47 db2 eval {SELECT name FROM sqlite_master} |
| 48 } {t1} |
| 49 |
| 50 # Create a temporary table. Verify that only one of the two |
| 51 # processes can see it. |
| 52 # |
| 53 do_test temptable-1.5 { |
| 54 db2 eval { |
| 55 CREATE TEMP TABLE t2(x,y,z); |
| 56 INSERT INTO t2 VALUES(4,5,6); |
| 57 } |
| 58 db2 eval {SELECT * FROM t2} |
| 59 } {4 5 6} |
| 60 do_test temptable-1.6 { |
| 61 catch {execsql {SELECT * FROM sqlite_master}} |
| 62 catchsql {SELECT * FROM t2} |
| 63 } {1 {no such table: t2}} |
| 64 do_test temptable-1.7 { |
| 65 catchsql {INSERT INTO t2 VALUES(8,9,0);} |
| 66 } {1 {no such table: t2}} |
| 67 do_test temptable-1.8 { |
| 68 db2 eval {INSERT INTO t2 VALUES(8,9,0);} |
| 69 db2 eval {SELECT * FROM t2 ORDER BY x} |
| 70 } {4 5 6 8 9 0} |
| 71 do_test temptable-1.9 { |
| 72 db2 eval {DELETE FROM t2 WHERE x==8} |
| 73 db2 eval {SELECT * FROM t2 ORDER BY x} |
| 74 } {4 5 6} |
| 75 do_test temptable-1.10 { |
| 76 db2 eval {DELETE FROM t2} |
| 77 db2 eval {SELECT * FROM t2} |
| 78 } {} |
| 79 do_test temptable-1.11 { |
| 80 db2 eval { |
| 81 INSERT INTO t2 VALUES(7,6,5); |
| 82 INSERT INTO t2 VALUES(4,3,2); |
| 83 SELECT * FROM t2 ORDER BY x; |
| 84 } |
| 85 } {4 3 2 7 6 5} |
| 86 do_test temptable-1.12 { |
| 87 db2 eval {DROP TABLE t2;} |
| 88 set r [catch {db2 eval {SELECT * FROM t2}} msg] |
| 89 lappend r $msg |
| 90 } {1 {no such table: t2}} |
| 91 |
| 92 # Make sure temporary tables work with transactions |
| 93 # |
| 94 do_test temptable-2.1 { |
| 95 execsql { |
| 96 BEGIN TRANSACTION; |
| 97 CREATE TEMPORARY TABLE t2(x,y); |
| 98 INSERT INTO t2 VALUES(1,2); |
| 99 SELECT * FROM t2; |
| 100 } |
| 101 } {1 2} |
| 102 do_test temptable-2.2 { |
| 103 execsql {ROLLBACK} |
| 104 catchsql {SELECT * FROM t2} |
| 105 } {1 {no such table: t2}} |
| 106 do_test temptable-2.3 { |
| 107 execsql { |
| 108 BEGIN TRANSACTION; |
| 109 CREATE TEMPORARY TABLE t2(x,y); |
| 110 INSERT INTO t2 VALUES(1,2); |
| 111 SELECT * FROM t2; |
| 112 } |
| 113 } {1 2} |
| 114 do_test temptable-2.4 { |
| 115 execsql {COMMIT} |
| 116 catchsql {SELECT * FROM t2} |
| 117 } {0 {1 2}} |
| 118 do_test temptable-2.5 { |
| 119 set r [catch {db2 eval {SELECT * FROM t2}} msg] |
| 120 lappend r $msg |
| 121 } {1 {no such table: t2}} |
| 122 |
| 123 # Make sure indices on temporary tables are also temporary. |
| 124 # |
| 125 do_test temptable-3.1 { |
| 126 execsql { |
| 127 CREATE INDEX i2 ON t2(x); |
| 128 SELECT name FROM sqlite_master WHERE type='index'; |
| 129 } |
| 130 } {} |
| 131 do_test temptable-3.2 { |
| 132 execsql { |
| 133 SELECT y FROM t2 WHERE x=1; |
| 134 } |
| 135 } {2} |
| 136 do_test temptable-3.3 { |
| 137 execsql { |
| 138 DROP INDEX i2; |
| 139 SELECT y FROM t2 WHERE x=1; |
| 140 } |
| 141 } {2} |
| 142 do_test temptable-3.4 { |
| 143 execsql { |
| 144 CREATE INDEX i2 ON t2(x); |
| 145 DROP TABLE t2; |
| 146 } |
| 147 catchsql {DROP INDEX i2} |
| 148 } {1 {no such index: i2}} |
| 149 |
| 150 # Check for correct name collision processing. A name collision can |
| 151 # occur when process A creates a temporary table T then process B |
| 152 # creates a permanent table also named T. The temp table in process A |
| 153 # hides the existance of the permanent table. |
| 154 # |
| 155 do_test temptable-4.1 { |
| 156 execsql { |
| 157 CREATE TEMP TABLE t2(x,y); |
| 158 INSERT INTO t2 VALUES(10,20); |
| 159 SELECT * FROM t2; |
| 160 } db2 |
| 161 } {10 20} |
| 162 do_test temptable-4.2 { |
| 163 execsql { |
| 164 CREATE TABLE t2(x,y,z); |
| 165 INSERT INTO t2 VALUES(9,8,7); |
| 166 SELECT * FROM t2; |
| 167 } |
| 168 } {9 8 7} |
| 169 do_test temptable-4.3 { |
| 170 catchsql { |
| 171 SELECT * FROM t2; |
| 172 } db2 |
| 173 } {0 {10 20}} |
| 174 do_test temptable-4.4.1 { |
| 175 catchsql { |
| 176 SELECT * FROM temp.t2; |
| 177 } db2 |
| 178 } {0 {10 20}} |
| 179 do_test temptable-4.4.2 { |
| 180 catchsql { |
| 181 SELECT * FROM main.t2; |
| 182 } db2 |
| 183 } {0 {9 8 7}} |
| 184 #do_test temptable-4.4.3 { |
| 185 # catchsql { |
| 186 # SELECT name FROM main.sqlite_master WHERE type='table'; |
| 187 # } db2 |
| 188 #} {1 {database schema has changed}} |
| 189 do_test temptable-4.4.4 { |
| 190 catchsql { |
| 191 SELECT name FROM main.sqlite_master WHERE type='table'; |
| 192 } db2 |
| 193 } {0 {t1 t2}} |
| 194 do_test temptable-4.4.5 { |
| 195 catchsql { |
| 196 SELECT * FROM main.t2; |
| 197 } db2 |
| 198 } {0 {9 8 7}} |
| 199 do_test temptable-4.4.6 { |
| 200 # TEMP takes precedence over MAIN |
| 201 catchsql { |
| 202 SELECT * FROM t2; |
| 203 } db2 |
| 204 } {0 {10 20}} |
| 205 do_test temptable-4.5 { |
| 206 catchsql { |
| 207 DROP TABLE t2; -- should drop TEMP |
| 208 SELECT * FROM t2; -- data should be from MAIN |
| 209 } db2 |
| 210 } {0 {9 8 7}} |
| 211 do_test temptable-4.6 { |
| 212 db2 close |
| 213 sqlite3 db2 ./test.db |
| 214 catchsql { |
| 215 SELECT * FROM t2; |
| 216 } db2 |
| 217 } {0 {9 8 7}} |
| 218 do_test temptable-4.7 { |
| 219 catchsql { |
| 220 DROP TABLE t2; |
| 221 SELECT * FROM t2; |
| 222 } |
| 223 } {1 {no such table: t2}} |
| 224 do_test temptable-4.8 { |
| 225 db2 close |
| 226 sqlite3 db2 ./test.db |
| 227 execsql { |
| 228 CREATE TEMP TABLE t2(x unique,y); |
| 229 INSERT INTO t2 VALUES(1,2); |
| 230 SELECT * FROM t2; |
| 231 } db2 |
| 232 } {1 2} |
| 233 do_test temptable-4.9 { |
| 234 execsql { |
| 235 CREATE TABLE t2(x unique, y); |
| 236 INSERT INTO t2 VALUES(3,4); |
| 237 SELECT * FROM t2; |
| 238 } |
| 239 } {3 4} |
| 240 do_test temptable-4.10.1 { |
| 241 catchsql { |
| 242 SELECT * FROM t2; |
| 243 } db2 |
| 244 } {0 {1 2}} |
| 245 # Update: The schema is reloaded in test temptable-4.10.1. And tclsqlite.c |
| 246 # handles it and retries the query anyway. |
| 247 # do_test temptable-4.10.2 { |
| 248 # catchsql { |
| 249 # SELECT name FROM sqlite_master WHERE type='table' |
| 250 # } db2 |
| 251 # } {1 {database schema has changed}} |
| 252 do_test temptable-4.10.3 { |
| 253 catchsql { |
| 254 SELECT name FROM sqlite_master WHERE type='table' |
| 255 } db2 |
| 256 } {0 {t1 t2}} |
| 257 do_test temptable-4.11 { |
| 258 execsql { |
| 259 SELECT * FROM t2; |
| 260 } db2 |
| 261 } {1 2} |
| 262 do_test temptable-4.12 { |
| 263 execsql { |
| 264 SELECT * FROM t2; |
| 265 } |
| 266 } {3 4} |
| 267 do_test temptable-4.13 { |
| 268 catchsql { |
| 269 DROP TABLE t2; -- drops TEMP.T2 |
| 270 SELECT * FROM t2; -- uses MAIN.T2 |
| 271 } db2 |
| 272 } {0 {3 4}} |
| 273 do_test temptable-4.14 { |
| 274 execsql { |
| 275 SELECT * FROM t2; |
| 276 } |
| 277 } {3 4} |
| 278 do_test temptable-4.15 { |
| 279 db2 close |
| 280 sqlite3 db2 ./test.db |
| 281 execsql { |
| 282 SELECT * FROM t2; |
| 283 } db2 |
| 284 } {3 4} |
| 285 |
| 286 # Now create a temporary table in db2 and a permanent index in db. The |
| 287 # temporary table in db2 should mask the name of the permanent index, |
| 288 # but the permanent index should still be accessible and should still |
| 289 # be updated when its corresponding table changes. |
| 290 # |
| 291 do_test temptable-5.1 { |
| 292 execsql { |
| 293 CREATE TEMP TABLE mask(a,b,c) |
| 294 } db2 |
| 295 execsql { |
| 296 CREATE INDEX mask ON t2(x); |
| 297 SELECT * FROM t2; |
| 298 } |
| 299 } {3 4} |
| 300 #do_test temptable-5.2 { |
| 301 # catchsql { |
| 302 # SELECT * FROM t2; |
| 303 # } db2 |
| 304 #} {1 {database schema has changed}} |
| 305 do_test temptable-5.3 { |
| 306 catchsql { |
| 307 SELECT * FROM t2; |
| 308 } db2 |
| 309 } {0 {3 4}} |
| 310 do_test temptable-5.4 { |
| 311 execsql { |
| 312 SELECT y FROM t2 WHERE x=3 |
| 313 } |
| 314 } {4} |
| 315 do_test temptable-5.5 { |
| 316 execsql { |
| 317 SELECT y FROM t2 WHERE x=3 |
| 318 } db2 |
| 319 } {4} |
| 320 do_test temptable-5.6 { |
| 321 execsql { |
| 322 INSERT INTO t2 VALUES(1,2); |
| 323 SELECT y FROM t2 WHERE x=1; |
| 324 } db2 |
| 325 } {2} |
| 326 do_test temptable-5.7 { |
| 327 execsql { |
| 328 SELECT y FROM t2 WHERE x=3 |
| 329 } db2 |
| 330 } {4} |
| 331 do_test temptable-5.8 { |
| 332 execsql { |
| 333 SELECT y FROM t2 WHERE x=1; |
| 334 } |
| 335 } {2} |
| 336 do_test temptable-5.9 { |
| 337 execsql { |
| 338 SELECT y FROM t2 WHERE x=3 |
| 339 } |
| 340 } {4} |
| 341 |
| 342 db2 close |
| 343 |
| 344 # Test for correct operation of read-only databases |
| 345 # |
| 346 do_test temptable-6.1 { |
| 347 execsql { |
| 348 CREATE TABLE t8(x); |
| 349 INSERT INTO t8 VALUES('xyzzy'); |
| 350 SELECT * FROM t8; |
| 351 } |
| 352 } {xyzzy} |
| 353 do_test temptable-6.2 { |
| 354 db close |
| 355 catch {file attributes test.db -permissions 0444} |
| 356 catch {file attributes test.db -readonly 1} |
| 357 sqlite3 db test.db |
| 358 if {[file writable test.db]} { |
| 359 error "Unable to make the database file test.db readonly - rerun this test a
s an unprivileged user" |
| 360 } |
| 361 execsql { |
| 362 SELECT * FROM t8; |
| 363 } |
| 364 } {xyzzy} |
| 365 do_test temptable-6.3 { |
| 366 if {[file writable test.db]} { |
| 367 error "Unable to make the database file test.db readonly - rerun this test a
s an unprivileged user" |
| 368 } |
| 369 catchsql { |
| 370 CREATE TABLE t9(x,y); |
| 371 } |
| 372 } {1 {attempt to write a readonly database}} |
| 373 do_test temptable-6.4 { |
| 374 catchsql { |
| 375 CREATE TEMP TABLE t9(x,y); |
| 376 } |
| 377 } {0 {}} |
| 378 do_test temptable-6.5 { |
| 379 catchsql { |
| 380 INSERT INTO t9 VALUES(1,2); |
| 381 SELECT * FROM t9; |
| 382 } |
| 383 } {0 {1 2}} |
| 384 do_test temptable-6.6 { |
| 385 if {[file writable test.db]} { |
| 386 error "Unable to make the database file test.db readonly - rerun this test a
s an unprivileged user" |
| 387 } |
| 388 catchsql { |
| 389 INSERT INTO t8 VALUES('hello'); |
| 390 SELECT * FROM t8; |
| 391 } |
| 392 } {1 {attempt to write a readonly database}} |
| 393 do_test temptable-6.7 { |
| 394 catchsql { |
| 395 SELECT * FROM t8,t9; |
| 396 } |
| 397 } {0 {xyzzy 1 2}} |
| 398 do_test temptable-6.8 { |
| 399 db close |
| 400 sqlite3 db test.db |
| 401 catchsql { |
| 402 SELECT * FROM t8,t9; |
| 403 } |
| 404 } {1 {no such table: t9}} |
| 405 |
| 406 file delete -force test2.db test2.db-journal |
| 407 ifcapable attach { |
| 408 do_test temptable-7.1 { |
| 409 catchsql { |
| 410 ATTACH 'test2.db' AS two; |
| 411 CREATE TEMP TABLE two.abc(x,y); |
| 412 } |
| 413 } {1 {temporary table name must be unqualified}} |
| 414 } |
| 415 |
| 416 # Need to do the following for tcl 8.5 on mac. On that configuration, the |
| 417 # -readonly flag is taken so seriously that a subsequent [file delete -force] |
| 418 # (required before the next test file can be executed) will fail. |
| 419 # |
| 420 catch {file attributes test.db -readonly 0} |
| 421 |
| 422 do_test temptable-8.0 { |
| 423 db close |
| 424 catch {file delete -force test.db} |
| 425 sqlite3 db test.db |
| 426 } {} |
| 427 do_test temptable-8.1 { |
| 428 execsql { CREATE TEMP TABLE tbl2(a, b); } |
| 429 execsql { |
| 430 CREATE TABLE tbl(a, b); |
| 431 INSERT INTO tbl VALUES(1, 2); |
| 432 } |
| 433 execsql {SELECT * FROM tbl} |
| 434 } {1 2} |
| 435 do_test temptable-8.2 { |
| 436 execsql { CREATE TEMP TABLE tbl(a, b); } |
| 437 execsql {SELECT * FROM tbl} |
| 438 } {} |
| 439 |
| 440 finish_test |
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