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1 | 1 | set enable_seqscan=off;
|
| 2 | +/* |
| 3 | + * Complete checks for int2[]. |
| 4 | + */ |
2 | 5 | CREATE TABLE test_array (
|
3 | 6 | i int2[]
|
4 | 7 | );
|
@@ -288,3 +291,224 @@ SELECT * FROM test_array WHERE i <@ '{100}';
|
288 | 291 | {}
|
289 | 292 | (1 row)
|
290 | 293 |
|
| 294 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i % '{}'; |
| 295 | + QUERY PLAN |
| 296 | +------------------------------------------ |
| 297 | + Index Scan using idx_array on test_array |
| 298 | + Index Cond: (i % '{}'::smallint[]) |
| 299 | +(2 rows) |
| 300 | + |
| 301 | +SELECT * FROM test_array WHERE i % '{}'; |
| 302 | + i |
| 303 | +--- |
| 304 | +(0 rows) |
| 305 | + |
| 306 | +SELECT * FROM test_array WHERE i % '{1}'; |
| 307 | + i |
| 308 | +----------- |
| 309 | + {1,2,3,4} |
| 310 | + {1,2,3} |
| 311 | + {1,2} |
| 312 | + {1} |
| 313 | +(4 rows) |
| 314 | + |
| 315 | +SELECT * FROM test_array WHERE i % '{2}'; |
| 316 | + i |
| 317 | +----------- |
| 318 | + {1,2,3,4} |
| 319 | + {1,2,3} |
| 320 | + {1,2} |
| 321 | +(3 rows) |
| 322 | + |
| 323 | +SELECT * FROM test_array WHERE i % '{1,2}'; |
| 324 | + i |
| 325 | +----------- |
| 326 | + {1,2,3,4} |
| 327 | + {1,2,3} |
| 328 | + {1,2} |
| 329 | + {1} |
| 330 | +(4 rows) |
| 331 | + |
| 332 | +SELECT * FROM test_array WHERE i % '{1,2,4}'; |
| 333 | + i |
| 334 | +----------- |
| 335 | + {1,2,3,4} |
| 336 | + {1,2,3} |
| 337 | + {1,2} |
| 338 | + {1} |
| 339 | +(4 rows) |
| 340 | + |
| 341 | +SELECT * FROM test_array WHERE i % '{1,2,3,4}'; |
| 342 | + i |
| 343 | +----------- |
| 344 | + {1,2,3,4} |
| 345 | + {1,2,3} |
| 346 | + {1,2} |
| 347 | + {1} |
| 348 | +(4 rows) |
| 349 | + |
| 350 | +SELECT * FROM test_array WHERE i % '{4,3,2,1}'; |
| 351 | + i |
| 352 | +----------- |
| 353 | + {1,2,3,4} |
| 354 | + {1,2,3} |
| 355 | + {1,2} |
| 356 | + {1} |
| 357 | +(4 rows) |
| 358 | + |
| 359 | +SELECT * FROM test_array WHERE i % '{1,2,3,4,5}'; |
| 360 | + i |
| 361 | +----------- |
| 362 | + {1,2,3,4} |
| 363 | + {1,2,3} |
| 364 | + {1,2} |
| 365 | +(3 rows) |
| 366 | + |
| 367 | +SELECT * FROM test_array WHERE i % '{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}'; |
| 368 | + i |
| 369 | +----------- |
| 370 | + {1,2,3,4} |
| 371 | +(1 row) |
| 372 | + |
| 373 | +SELECT * FROM test_array WHERE i % '{1,10,20,30,40,50}'; |
| 374 | + i |
| 375 | +--- |
| 376 | +(0 rows) |
| 377 | + |
| 378 | +SELECT * FROM test_array WHERE i % '{1,10,20,30}'; |
| 379 | + i |
| 380 | +----- |
| 381 | + {1} |
| 382 | +(1 row) |
| 383 | + |
| 384 | +SELECT * FROM test_array WHERE i % '{1,1,1,1,1}'; |
| 385 | + i |
| 386 | +----------- |
| 387 | + {1,2,3,4} |
| 388 | + {1,2,3} |
| 389 | + {1,2} |
| 390 | + {1} |
| 391 | +(4 rows) |
| 392 | + |
| 393 | +SELECT * FROM test_array WHERE i % '{0,0}'; |
| 394 | + i |
| 395 | +----- |
| 396 | + {0} |
| 397 | +(1 row) |
| 398 | + |
| 399 | +SELECT * FROM test_array WHERE i % '{100}'; |
| 400 | + i |
| 401 | +--- |
| 402 | +(0 rows) |
| 403 | + |
| 404 | +/* |
| 405 | + * Sanity checks for popular array types. |
| 406 | + */ |
| 407 | +ALTER TABLE test_array ALTER COLUMN i TYPE int4[]; |
| 408 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i = '{}'; |
| 409 | + QUERY PLAN |
| 410 | +------------------------------------------ |
| 411 | + Index Scan using idx_array on test_array |
| 412 | + Index Cond: (i = '{}'::integer[]) |
| 413 | +(2 rows) |
| 414 | + |
| 415 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i && '{}'; |
| 416 | + QUERY PLAN |
| 417 | +------------------------------------------ |
| 418 | + Index Scan using idx_array on test_array |
| 419 | + Index Cond: (i && '{}'::integer[]) |
| 420 | +(2 rows) |
| 421 | + |
| 422 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i @> '{}'; |
| 423 | + QUERY PLAN |
| 424 | +------------------------------------------ |
| 425 | + Index Scan using idx_array on test_array |
| 426 | + Index Cond: (i @> '{}'::integer[]) |
| 427 | +(2 rows) |
| 428 | + |
| 429 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i <@ '{}'; |
| 430 | + QUERY PLAN |
| 431 | +------------------------------------------ |
| 432 | + Index Scan using idx_array on test_array |
| 433 | + Index Cond: (i <@ '{}'::integer[]) |
| 434 | +(2 rows) |
| 435 | + |
| 436 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i % '{}'; |
| 437 | + QUERY PLAN |
| 438 | +------------------------------------------ |
| 439 | + Index Scan using idx_array on test_array |
| 440 | + Index Cond: (i % '{}'::integer[]) |
| 441 | +(2 rows) |
| 442 | + |
| 443 | +ALTER TABLE test_array ALTER COLUMN i TYPE int8[]; |
| 444 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i = '{}'; |
| 445 | + QUERY PLAN |
| 446 | +------------------------------------------ |
| 447 | + Index Scan using idx_array on test_array |
| 448 | + Index Cond: (i = '{}'::bigint[]) |
| 449 | +(2 rows) |
| 450 | + |
| 451 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i && '{}'; |
| 452 | + QUERY PLAN |
| 453 | +------------------------------------------ |
| 454 | + Index Scan using idx_array on test_array |
| 455 | + Index Cond: (i && '{}'::bigint[]) |
| 456 | +(2 rows) |
| 457 | + |
| 458 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i @> '{}'; |
| 459 | + QUERY PLAN |
| 460 | +------------------------------------------ |
| 461 | + Index Scan using idx_array on test_array |
| 462 | + Index Cond: (i @> '{}'::bigint[]) |
| 463 | +(2 rows) |
| 464 | + |
| 465 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i <@ '{}'; |
| 466 | + QUERY PLAN |
| 467 | +------------------------------------------ |
| 468 | + Index Scan using idx_array on test_array |
| 469 | + Index Cond: (i <@ '{}'::bigint[]) |
| 470 | +(2 rows) |
| 471 | + |
| 472 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i % '{}'; |
| 473 | + QUERY PLAN |
| 474 | +------------------------------------------ |
| 475 | + Index Scan using idx_array on test_array |
| 476 | + Index Cond: (i % '{}'::bigint[]) |
| 477 | +(2 rows) |
| 478 | + |
| 479 | +ALTER TABLE test_array ALTER COLUMN i TYPE text[]; |
| 480 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i = '{}'; |
| 481 | + QUERY PLAN |
| 482 | +------------------------------------------ |
| 483 | + Index Scan using idx_array on test_array |
| 484 | + Index Cond: (i = '{}'::text[]) |
| 485 | +(2 rows) |
| 486 | + |
| 487 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i && '{}'; |
| 488 | + QUERY PLAN |
| 489 | +------------------------------------------ |
| 490 | + Index Scan using idx_array on test_array |
| 491 | + Index Cond: (i && '{}'::text[]) |
| 492 | +(2 rows) |
| 493 | + |
| 494 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i @> '{}'; |
| 495 | + QUERY PLAN |
| 496 | +------------------------------------------ |
| 497 | + Index Scan using idx_array on test_array |
| 498 | + Index Cond: (i @> '{}'::text[]) |
| 499 | +(2 rows) |
| 500 | + |
| 501 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i <@ '{}'; |
| 502 | + QUERY PLAN |
| 503 | +------------------------------------------ |
| 504 | + Index Scan using idx_array on test_array |
| 505 | + Index Cond: (i <@ '{}'::text[]) |
| 506 | +(2 rows) |
| 507 | + |
| 508 | +EXPLAIN (COSTS OFF) SELECT * FROM test_array WHERE i % '{}'; |
| 509 | + QUERY PLAN |
| 510 | +------------------------------------------ |
| 511 | + Index Scan using idx_array on test_array |
| 512 | + Index Cond: (i % '{}'::text[]) |
| 513 | +(2 rows) |
| 514 | + |
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