drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 1 | # 2009 August 13 |
| 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 WHERE clause conditions with |
| 13 | # subtle affinity issues. |
| 14 | # |
| 15 | |
| 16 | set testdir [file dirname $argv0] |
| 17 | source $testdir/tester.tcl |
| 18 | |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 19 | # For this set of tests: |
| 20 | # |
| 21 | # * t1.y holds an integer value with affinity NONE |
| 22 | # * t2.b holds a text value with affinity TEXT |
| 23 | # |
| 24 | # These values are not equal and because neither affinity is NUMERIC |
| 25 | # no type conversion occurs. |
| 26 | # |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 27 | do_test whereB-1.1 { |
| 28 | db eval { |
| 29 | CREATE TABLE t1(x,y); -- affinity of t1.y is NONE |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 30 | INSERT INTO t1 VALUES(1,99); |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 31 | |
| 32 | CREATE TABLE t2(a, b TEXT); -- affinity of t2.b is TEXT |
| 33 | CREATE INDEX t2b ON t2(b); |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 34 | INSERT INTO t2 VALUES(2,99); |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 35 | |
| 36 | SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a; |
| 37 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 38 | } {1 2 0} |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 39 | do_test whereB-1.2 { |
| 40 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 41 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 42 | } |
| 43 | } {} |
| 44 | do_test whereB-1.3 { |
| 45 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 46 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 47 | } |
| 48 | } {} |
| 49 | do_test whereB-1.4 { |
| 50 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 51 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 52 | } |
| 53 | } {} |
| 54 | do_test whereB-1.100 { |
| 55 | db eval { |
| 56 | DROP INDEX t2b; |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 57 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 58 | } |
| 59 | } {} |
| 60 | do_test whereB-1.101 { |
| 61 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 62 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 63 | } |
| 64 | } {} |
| 65 | do_test whereB-1.102 { |
| 66 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 67 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 68 | } |
| 69 | } {} |
| 70 | |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 71 | # For this set of tests: |
| 72 | # |
| 73 | # * t1.y holds a text value with affinity TEXT |
| 74 | # * t2.b holds an integer value with affinity NONE |
| 75 | # |
| 76 | # These values are not equal and because neither affinity is NUMERIC |
| 77 | # no type conversion occurs. |
| 78 | # |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 79 | do_test whereB-2.1 { |
| 80 | db eval { |
| 81 | DROP TABLE t1; |
| 82 | DROP TABLE t2; |
| 83 | |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 84 | CREATE TABLE t1(x, y TEXT); -- affinity of t1.y is TEXT |
| 85 | INSERT INTO t1 VALUES(1,99); |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 86 | |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 87 | CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 88 | CREATE INDEX t2b ON t2(b); |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 89 | INSERT INTO t2 VALUES(2,99); |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 90 | |
| 91 | SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a; |
| 92 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 93 | } {1 2 0} |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 94 | do_test whereB-2.2 { |
| 95 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 96 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 97 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 98 | } {} |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 99 | do_test whereB-2.3 { |
| 100 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 101 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 102 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 103 | } {} |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 104 | do_test whereB-2.4 { |
| 105 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 106 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 107 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 108 | } {} |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 109 | do_test whereB-2.100 { |
| 110 | db eval { |
| 111 | DROP INDEX t2b; |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 112 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 113 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 114 | } {} |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 115 | do_test whereB-2.101 { |
| 116 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 117 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 118 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 119 | } {} |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 120 | do_test whereB-2.102 { |
| 121 | db eval { |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 122 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 123 | } |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 124 | } {} |
| 125 | |
| 126 | # For this set of tests: |
| 127 | # |
| 128 | # * t1.y holds a text value with affinity NONE |
| 129 | # * t2.b holds an integer value with affinity NONE |
| 130 | # |
| 131 | # These values are not equal and because neither affinity is NUMERIC |
| 132 | # no type conversion occurs. |
| 133 | # |
| 134 | do_test whereB-3.1 { |
| 135 | db eval { |
| 136 | DROP TABLE t1; |
| 137 | DROP TABLE t2; |
| 138 | |
| 139 | CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE |
drh | c4fa531 | 2009-08-13 19:54:26 +0000 | [diff] [blame] | 140 | INSERT INTO t1 VALUES(1,99); |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 141 | |
| 142 | CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE |
| 143 | CREATE INDEX t2b ON t2(b); |
drh | c4fa531 | 2009-08-13 19:54:26 +0000 | [diff] [blame] | 144 | INSERT INTO t2 VALUES(2,'99'); |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 145 | |
| 146 | SELECT x, a, y=b FROM t1, t2; |
| 147 | } |
drh | c4fa531 | 2009-08-13 19:54:26 +0000 | [diff] [blame] | 148 | } {1 2 0} |
drh | 320b3a7 | 2009-08-13 18:14:32 +0000 | [diff] [blame] | 149 | do_test whereB-3.2 { |
| 150 | db eval { |
| 151 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 152 | } |
| 153 | } {} |
| 154 | do_test whereB-3.3 { |
| 155 | db eval { |
| 156 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 157 | } |
| 158 | } {} |
| 159 | do_test whereB-3.4 { |
| 160 | db eval { |
| 161 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 162 | } |
| 163 | } {} |
| 164 | do_test whereB-3.100 { |
| 165 | db eval { |
| 166 | DROP INDEX t2b; |
| 167 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 168 | } |
| 169 | } {} |
| 170 | do_test whereB-3.101 { |
| 171 | db eval { |
| 172 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 173 | } |
| 174 | } {} |
| 175 | do_test whereB-3.102 { |
| 176 | db eval { |
| 177 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 178 | } |
| 179 | } {} |
| 180 | |
| 181 | |
| 182 | # For this set of tests: |
| 183 | # |
| 184 | # * t1.y holds a text value with affinity NONE |
| 185 | # * t2.b holds an integer value with affinity NUMERIC |
| 186 | # |
| 187 | # Because t2.b has a numeric affinity, type conversion should occur |
| 188 | # and the two fields should be equal. |
| 189 | # |
| 190 | do_test whereB-4.1 { |
| 191 | db eval { |
| 192 | DROP TABLE t1; |
| 193 | DROP TABLE t2; |
| 194 | |
| 195 | CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE |
| 196 | INSERT INTO t1 VALUES(1,'99'); |
| 197 | |
| 198 | CREATE TABLE t2(a, b NUMERIC); -- affinity of t2.b is NUMERIC |
| 199 | CREATE INDEX t2b ON t2(b); |
| 200 | INSERT INTO t2 VALUES(2,99); |
| 201 | |
| 202 | SELECT x, a, y=b FROM t1, t2; |
| 203 | } |
| 204 | } {1 2 1} |
| 205 | do_test whereB-4.2 { |
| 206 | db eval { |
| 207 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 208 | } |
| 209 | } {1 2 1} |
| 210 | do_test whereB-4.3 { |
| 211 | db eval { |
| 212 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 213 | } |
| 214 | } {1 2 1} |
| 215 | do_test whereB-4.4 { |
| 216 | # In this case the unary "+" operator removes the column affinity so |
| 217 | # the columns compare false |
| 218 | db eval { |
| 219 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 220 | } |
| 221 | } {} |
| 222 | do_test whereB-4.100 { |
| 223 | db eval { |
| 224 | DROP INDEX t2b; |
| 225 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 226 | } |
| 227 | } {1 2 1} |
| 228 | do_test whereB-4.101 { |
| 229 | db eval { |
| 230 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 231 | } |
| 232 | } {1 2 1} |
| 233 | do_test whereB-4.102 { |
| 234 | # In this case the unary "+" operator removes the column affinity so |
| 235 | # the columns compare false |
| 236 | db eval { |
| 237 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 238 | } |
| 239 | } {} |
| 240 | |
| 241 | |
| 242 | |
| 243 | # For this set of tests: |
| 244 | # |
| 245 | # * t1.y holds a text value with affinity NONE |
| 246 | # * t2.b holds an integer value with affinity INTEGER |
| 247 | # |
| 248 | # Because t2.b has a numeric affinity, type conversion should occur |
| 249 | # and the two fields should be equal. |
| 250 | # |
| 251 | do_test whereB-5.1 { |
| 252 | db eval { |
| 253 | DROP TABLE t1; |
| 254 | DROP TABLE t2; |
| 255 | |
| 256 | CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE |
| 257 | INSERT INTO t1 VALUES(1,'99'); |
| 258 | |
| 259 | CREATE TABLE t2(a, b INT); -- affinity of t2.b is INTEGER |
| 260 | CREATE INDEX t2b ON t2(b); |
| 261 | INSERT INTO t2 VALUES(2,99); |
| 262 | |
| 263 | SELECT x, a, y=b FROM t1, t2; |
| 264 | } |
| 265 | } {1 2 1} |
| 266 | do_test whereB-5.2 { |
| 267 | db eval { |
| 268 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 269 | } |
| 270 | } {1 2 1} |
| 271 | do_test whereB-5.3 { |
| 272 | db eval { |
| 273 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 274 | } |
| 275 | } {1 2 1} |
| 276 | do_test whereB-5.4 { |
| 277 | # In this case the unary "+" operator removes the column affinity so |
| 278 | # the columns compare false |
| 279 | db eval { |
| 280 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 281 | } |
| 282 | } {} |
| 283 | do_test whereB-5.100 { |
| 284 | db eval { |
| 285 | DROP INDEX t2b; |
| 286 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 287 | } |
| 288 | } {1 2 1} |
| 289 | do_test whereB-5.101 { |
| 290 | db eval { |
| 291 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 292 | } |
| 293 | } {1 2 1} |
| 294 | do_test whereB-5.102 { |
| 295 | # In this case the unary "+" operator removes the column affinity so |
| 296 | # the columns compare false |
| 297 | db eval { |
| 298 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 299 | } |
| 300 | } {} |
| 301 | |
| 302 | |
| 303 | # For this set of tests: |
| 304 | # |
| 305 | # * t1.y holds a text value with affinity NONE |
| 306 | # * t2.b holds an integer value with affinity REAL |
| 307 | # |
| 308 | # Because t2.b has a numeric affinity, type conversion should occur |
| 309 | # and the two fields should be equal. |
| 310 | # |
| 311 | do_test whereB-6.1 { |
| 312 | db eval { |
| 313 | DROP TABLE t1; |
| 314 | DROP TABLE t2; |
| 315 | |
| 316 | CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE |
| 317 | INSERT INTO t1 VALUES(1,'99'); |
| 318 | |
| 319 | CREATE TABLE t2(a, b REAL); -- affinity of t2.b is REAL |
| 320 | CREATE INDEX t2b ON t2(b); |
| 321 | INSERT INTO t2 VALUES(2,99.0); |
| 322 | |
| 323 | SELECT x, a, y=b FROM t1, t2; |
| 324 | } |
| 325 | } {1 2 1} |
| 326 | do_test whereB-6.2 { |
| 327 | db eval { |
| 328 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 329 | } |
| 330 | } {1 2 1} |
| 331 | do_test whereB-6.3 { |
| 332 | db eval { |
| 333 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 334 | } |
| 335 | } {1 2 1} |
| 336 | do_test whereB-6.4 { |
| 337 | # In this case the unary "+" operator removes the column affinity so |
| 338 | # the columns compare false |
| 339 | db eval { |
| 340 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 341 | } |
| 342 | } {} |
| 343 | do_test whereB-6.100 { |
| 344 | db eval { |
| 345 | DROP INDEX t2b; |
| 346 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 347 | } |
| 348 | } {1 2 1} |
| 349 | do_test whereB-6.101 { |
| 350 | db eval { |
| 351 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 352 | } |
| 353 | } {1 2 1} |
| 354 | do_test whereB-6.102 { |
| 355 | # In this case the unary "+" operator removes the column affinity so |
| 356 | # the columns compare false |
| 357 | db eval { |
| 358 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 359 | } |
| 360 | } {} |
| 361 | |
| 362 | |
| 363 | # For this set of tests: |
| 364 | # |
| 365 | # * t1.y holds an integer value with affinity NUMERIC |
| 366 | # * t2.b holds a text value with affinity NONE |
| 367 | # |
| 368 | # Because t1.y has a numeric affinity, type conversion should occur |
| 369 | # and the two fields should be equal. |
| 370 | # |
| 371 | do_test whereB-7.1 { |
| 372 | db eval { |
| 373 | DROP TABLE t1; |
| 374 | DROP TABLE t2; |
| 375 | |
| 376 | CREATE TABLE t1(x, y NUMERIC); -- affinity of t1.y is NUMERIC |
| 377 | INSERT INTO t1 VALUES(1,99); |
| 378 | |
| 379 | CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE |
| 380 | CREATE INDEX t2b ON t2(b); |
| 381 | INSERT INTO t2 VALUES(2,'99'); |
| 382 | |
| 383 | SELECT x, a, y=b FROM t1, t2; |
| 384 | } |
| 385 | } {1 2 1} |
| 386 | do_test whereB-7.2 { |
| 387 | db eval { |
| 388 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 389 | } |
| 390 | } {1 2 1} |
| 391 | do_test whereB-7.3 { |
| 392 | db eval { |
| 393 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 394 | } |
| 395 | } {1 2 1} |
| 396 | do_test whereB-7.4 { |
| 397 | # In this case the unary "+" operator removes the column affinity so |
| 398 | # the columns compare false |
| 399 | db eval { |
| 400 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 401 | } |
| 402 | } {} |
| 403 | do_test whereB-7.100 { |
| 404 | db eval { |
| 405 | DROP INDEX t2b; |
| 406 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 407 | } |
| 408 | } {1 2 1} |
| 409 | do_test whereB-7.101 { |
| 410 | db eval { |
| 411 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 412 | } |
| 413 | } {1 2 1} |
| 414 | do_test whereB-7.102 { |
| 415 | # In this case the unary "+" operator removes the column affinity so |
| 416 | # the columns compare false |
| 417 | db eval { |
| 418 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 419 | } |
| 420 | } {} |
| 421 | |
| 422 | # For this set of tests: |
| 423 | # |
| 424 | # * t1.y holds an integer value with affinity INTEGER |
| 425 | # * t2.b holds a text value with affinity NONE |
| 426 | # |
| 427 | # Because t1.y has a numeric affinity, type conversion should occur |
| 428 | # and the two fields should be equal. |
| 429 | # |
| 430 | do_test whereB-8.1 { |
| 431 | db eval { |
| 432 | DROP TABLE t1; |
| 433 | DROP TABLE t2; |
| 434 | |
| 435 | CREATE TABLE t1(x, y INT); -- affinity of t1.y is INTEGER |
| 436 | INSERT INTO t1 VALUES(1,99); |
| 437 | |
| 438 | CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE |
| 439 | CREATE INDEX t2b ON t2(b); |
| 440 | INSERT INTO t2 VALUES(2,'99'); |
| 441 | |
| 442 | SELECT x, a, y=b FROM t1, t2; |
| 443 | } |
| 444 | } {1 2 1} |
| 445 | do_test whereB-8.2 { |
| 446 | db eval { |
| 447 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 448 | } |
| 449 | } {1 2 1} |
| 450 | do_test whereB-8.3 { |
| 451 | db eval { |
| 452 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 453 | } |
| 454 | } {1 2 1} |
| 455 | do_test whereB-8.4 { |
| 456 | # In this case the unary "+" operator removes the column affinity so |
| 457 | # the columns compare false |
| 458 | db eval { |
| 459 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 460 | } |
| 461 | } {} |
| 462 | do_test whereB-8.100 { |
| 463 | db eval { |
| 464 | DROP INDEX t2b; |
| 465 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 466 | } |
| 467 | } {1 2 1} |
| 468 | do_test whereB-8.101 { |
| 469 | db eval { |
| 470 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 471 | } |
| 472 | } {1 2 1} |
| 473 | do_test whereB-8.102 { |
| 474 | # In this case the unary "+" operator removes the column affinity so |
| 475 | # the columns compare false |
| 476 | db eval { |
| 477 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 478 | } |
| 479 | } {} |
| 480 | |
| 481 | # For this set of tests: |
| 482 | # |
| 483 | # * t1.y holds an integer value with affinity REAL |
| 484 | # * t2.b holds a text value with affinity NONE |
| 485 | # |
| 486 | # Because t1.y has a numeric affinity, type conversion should occur |
| 487 | # and the two fields should be equal. |
| 488 | # |
| 489 | do_test whereB-9.1 { |
| 490 | db eval { |
| 491 | DROP TABLE t1; |
| 492 | DROP TABLE t2; |
| 493 | |
| 494 | CREATE TABLE t1(x, y REAL); -- affinity of t1.y is REAL |
| 495 | INSERT INTO t1 VALUES(1,99.0); |
| 496 | |
| 497 | CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE |
| 498 | CREATE INDEX t2b ON t2(b); |
| 499 | INSERT INTO t2 VALUES(2,'99'); |
| 500 | |
| 501 | SELECT x, a, y=b FROM t1, t2; |
| 502 | } |
| 503 | } {1 2 1} |
| 504 | do_test whereB-9.2 { |
| 505 | db eval { |
| 506 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 507 | } |
| 508 | } {1 2 1} |
| 509 | do_test whereB-9.3 { |
| 510 | db eval { |
| 511 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 512 | } |
| 513 | } {1 2 1} |
| 514 | do_test whereB-9.4 { |
| 515 | # In this case the unary "+" operator removes the column affinity so |
| 516 | # the columns compare false |
| 517 | db eval { |
| 518 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 519 | } |
| 520 | } {} |
| 521 | do_test whereB-9.100 { |
| 522 | db eval { |
| 523 | DROP INDEX t2b; |
| 524 | SELECT x, a, y=b FROM t1, t2 WHERE y=b; |
| 525 | } |
| 526 | } {1 2 1} |
| 527 | do_test whereB-9.101 { |
| 528 | db eval { |
| 529 | SELECT x, a, y=b FROM t1, t2 WHERE b=y; |
| 530 | } |
| 531 | } {1 2 1} |
| 532 | do_test whereB-9.102 { |
| 533 | # In this case the unary "+" operator removes the column affinity so |
| 534 | # the columns compare false |
| 535 | db eval { |
| 536 | SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; |
| 537 | } |
| 538 | } {} |
| 539 | |
drh | 9fa7207 | 2009-08-13 17:14:59 +0000 | [diff] [blame] | 540 | |
| 541 | |
| 542 | |
| 543 | finish_test |