Annotation of embedaddon/sqlite3/test/view.test, revision 1.1
1.1 ! misho 1: # 2002 February 26
! 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 VIEW statements.
! 13: #
! 14: # $Id: view.test,v 1.39 2008/12/14 14:45:21 danielk1977 Exp $
! 15: set testdir [file dirname $argv0]
! 16: source $testdir/tester.tcl
! 17:
! 18: # Omit this entire file if the library is not configured with views enabled.
! 19: ifcapable !view {
! 20: finish_test
! 21: return
! 22: }
! 23:
! 24: do_test view-1.0 {
! 25: execsql {
! 26: CREATE TABLE t1(a,b,c);
! 27: INSERT INTO t1 VALUES(1,2,3);
! 28: INSERT INTO t1 VALUES(4,5,6);
! 29: INSERT INTO t1 VALUES(7,8,9);
! 30: SELECT * FROM t1;
! 31: }
! 32: } {1 2 3 4 5 6 7 8 9}
! 33:
! 34: do_test view-1.1 {
! 35: execsql {
! 36: BEGIN;
! 37: CREATE VIEW IF NOT EXISTS v1 AS SELECT a,b FROM t1;
! 38: SELECT * FROM v1 ORDER BY a;
! 39: }
! 40: } {1 2 4 5 7 8}
! 41: do_test view-1.2 {
! 42: catchsql {
! 43: ROLLBACK;
! 44: SELECT * FROM v1 ORDER BY a;
! 45: }
! 46: } {1 {no such table: v1}}
! 47: do_test view-1.3 {
! 48: execsql {
! 49: CREATE VIEW v1 AS SELECT a,b FROM t1;
! 50: SELECT * FROM v1 ORDER BY a;
! 51: }
! 52: } {1 2 4 5 7 8}
! 53: do_test view-1.3.1 {
! 54: db close
! 55: sqlite3 db test.db
! 56: execsql {
! 57: SELECT * FROM v1 ORDER BY a;
! 58: }
! 59: } {1 2 4 5 7 8}
! 60: do_test view-1.4 {
! 61: catchsql {
! 62: DROP VIEW IF EXISTS v1;
! 63: SELECT * FROM v1 ORDER BY a;
! 64: }
! 65: } {1 {no such table: v1}}
! 66: do_test view-1.5 {
! 67: execsql {
! 68: CREATE VIEW v1 AS SELECT a,b FROM t1;
! 69: SELECT * FROM v1 ORDER BY a;
! 70: }
! 71: } {1 2 4 5 7 8}
! 72: do_test view-1.6 {
! 73: catchsql {
! 74: DROP TABLE t1;
! 75: SELECT * FROM v1 ORDER BY a;
! 76: }
! 77: } {1 {no such table: main.t1}}
! 78: do_test view-1.7 {
! 79: execsql {
! 80: CREATE TABLE t1(x,a,b,c);
! 81: INSERT INTO t1 VALUES(1,2,3,4);
! 82: INSERT INTO t1 VALUES(4,5,6,7);
! 83: INSERT INTO t1 VALUES(7,8,9,10);
! 84: SELECT * FROM v1 ORDER BY a;
! 85: }
! 86: } {2 3 5 6 8 9}
! 87: do_test view-1.8 {
! 88: db close
! 89: sqlite3 db test.db
! 90: execsql {
! 91: SELECT * FROM v1 ORDER BY a;
! 92: }
! 93: } {2 3 5 6 8 9}
! 94:
! 95: do_test view-2.1 {
! 96: execsql {
! 97: CREATE VIEW v2 AS SELECT * FROM t1 WHERE a>5
! 98: }; # No semicolon
! 99: execsql2 {
! 100: SELECT * FROM v2;
! 101: }
! 102: } {x 7 a 8 b 9 c 10}
! 103: do_test view-2.2 {
! 104: catchsql {
! 105: INSERT INTO v2 VALUES(1,2,3,4);
! 106: }
! 107: } {1 {cannot modify v2 because it is a view}}
! 108: do_test view-2.3 {
! 109: catchsql {
! 110: UPDATE v2 SET a=10 WHERE a=5;
! 111: }
! 112: } {1 {cannot modify v2 because it is a view}}
! 113: do_test view-2.4 {
! 114: catchsql {
! 115: DELETE FROM v2;
! 116: }
! 117: } {1 {cannot modify v2 because it is a view}}
! 118: do_test view-2.5 {
! 119: execsql {
! 120: INSERT INTO t1 VALUES(11,12,13,14);
! 121: SELECT * FROM v2 ORDER BY x;
! 122: }
! 123: } {7 8 9 10 11 12 13 14}
! 124: do_test view-2.6 {
! 125: execsql {
! 126: SELECT x FROM v2 WHERE a>10
! 127: }
! 128: } {11}
! 129:
! 130: # Test that column name of views are generated correctly.
! 131: #
! 132: do_test view-3.1 {
! 133: execsql2 {
! 134: SELECT * FROM v1 LIMIT 1
! 135: }
! 136: } {a 2 b 3}
! 137: do_test view-3.2 {
! 138: execsql2 {
! 139: SELECT * FROM v2 LIMIT 1
! 140: }
! 141: } {x 7 a 8 b 9 c 10}
! 142: do_test view-3.3.1 {
! 143: execsql2 {
! 144: DROP VIEW v1;
! 145: CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1;
! 146: SELECT * FROM v1 LIMIT 1
! 147: }
! 148: } {xyz 2 pqr 7 c-b 1}
! 149: do_test view-3.3.2 {
! 150: execsql2 {
! 151: CREATE VIEW v1b AS SELECT t1.a, b+c, t1.c FROM t1;
! 152: SELECT * FROM v1b LIMIT 1
! 153: }
! 154: } {a 2 b+c 7 c 4}
! 155:
! 156: ifcapable compound {
! 157: do_test view-3.4 {
! 158: execsql2 {
! 159: CREATE VIEW v3 AS SELECT a FROM t1 UNION SELECT b FROM t1 ORDER BY b;
! 160: SELECT * FROM v3 LIMIT 4;
! 161: }
! 162: } {a 2 a 3 a 5 a 6}
! 163: do_test view-3.5 {
! 164: execsql2 {
! 165: CREATE VIEW v4 AS
! 166: SELECT a, b FROM t1
! 167: UNION
! 168: SELECT b AS 'x', a AS 'y' FROM t1
! 169: ORDER BY x, y;
! 170: SELECT b FROM v4 ORDER BY b LIMIT 4;
! 171: }
! 172: } {b 2 b 3 b 5 b 6}
! 173: } ;# ifcapable compound
! 174:
! 175:
! 176: do_test view-4.1 {
! 177: catchsql {
! 178: DROP VIEW t1;
! 179: }
! 180: } {1 {use DROP TABLE to delete table t1}}
! 181: do_test view-4.2 {
! 182: execsql {
! 183: SELECT 1 FROM t1 LIMIT 1;
! 184: }
! 185: } 1
! 186: do_test view-4.3 {
! 187: catchsql {
! 188: DROP TABLE v1;
! 189: }
! 190: } {1 {use DROP VIEW to delete view v1}}
! 191: do_test view-4.4 {
! 192: execsql {
! 193: SELECT 1 FROM v1 LIMIT 1;
! 194: }
! 195: } {1}
! 196: do_test view-4.5 {
! 197: catchsql {
! 198: CREATE INDEX i1v1 ON v1(xyz);
! 199: }
! 200: } {1 {views may not be indexed}}
! 201:
! 202: do_test view-5.1 {
! 203: execsql {
! 204: CREATE TABLE t2(y,a);
! 205: INSERT INTO t2 VALUES(22,2);
! 206: INSERT INTO t2 VALUES(33,3);
! 207: INSERT INTO t2 VALUES(44,4);
! 208: INSERT INTO t2 VALUES(55,5);
! 209: SELECT * FROM t2;
! 210: }
! 211: } {22 2 33 3 44 4 55 5}
! 212: do_test view-5.2 {
! 213: execsql {
! 214: CREATE VIEW v5 AS
! 215: SELECT t1.x AS v, t2.y AS w FROM t1 JOIN t2 USING(a);
! 216: SELECT * FROM v5;
! 217: }
! 218: } {1 22 4 55}
! 219:
! 220: # Verify that the view v5 gets flattened. see sqliteFlattenSubquery().
! 221: # This will only work if EXPLAIN is enabled.
! 222: # Ticket #272
! 223: #
! 224: ifcapable {explain} {
! 225: do_test view-5.3 {
! 226: lsearch [execsql {
! 227: EXPLAIN SELECT * FROM v5;
! 228: }] OpenEphemeral
! 229: } {-1}
! 230: do_test view-5.4 {
! 231: execsql {
! 232: SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
! 233: }
! 234: } {1 22 22 2 4 55 55 5}
! 235: do_test view-5.5 {
! 236: lsearch [execsql {
! 237: EXPLAIN SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
! 238: }] OpenEphemeral
! 239: } {-1}
! 240: do_test view-5.6 {
! 241: execsql {
! 242: SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
! 243: }
! 244: } {22 2 1 22 55 5 4 55}
! 245: do_test view-5.7 {
! 246: lsearch [execsql {
! 247: EXPLAIN SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
! 248: }] OpenEphemeral
! 249: } {-1}
! 250: do_test view-5.8 {
! 251: execsql {
! 252: SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
! 253: }
! 254: } {1 2 3 4 1 22 22 2 4 5 6 7 4 55 55 5}
! 255: do_test view-5.9 {
! 256: lsearch [execsql {
! 257: EXPLAIN SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
! 258: }] OpenEphemeral
! 259: } {-1}
! 260: } ;# endif explain
! 261:
! 262: do_test view-6.1 {
! 263: execsql {
! 264: SELECT min(x), min(a), min(b), min(c), min(a+b+c) FROM v2;
! 265: }
! 266: } {7 8 9 10 27}
! 267: do_test view-6.2 {
! 268: execsql {
! 269: SELECT max(x), max(a), max(b), max(c), max(a+b+c) FROM v2;
! 270: }
! 271: } {11 12 13 14 39}
! 272:
! 273: do_test view-7.1 {
! 274: execsql {
! 275: CREATE TABLE test1(id integer primary key, a);
! 276: CREATE TABLE test2(id integer, b);
! 277: INSERT INTO test1 VALUES(1,2);
! 278: INSERT INTO test2 VALUES(1,3);
! 279: CREATE VIEW test AS
! 280: SELECT test1.id, a, b
! 281: FROM test1 JOIN test2 ON test2.id=test1.id;
! 282: SELECT * FROM test;
! 283: }
! 284: } {1 2 3}
! 285: do_test view-7.2 {
! 286: db close
! 287: sqlite3 db test.db
! 288: execsql {
! 289: SELECT * FROM test;
! 290: }
! 291: } {1 2 3}
! 292: do_test view-7.3 {
! 293: execsql {
! 294: DROP VIEW test;
! 295: CREATE VIEW test AS
! 296: SELECT test1.id, a, b
! 297: FROM test1 JOIN test2 USING(id);
! 298: SELECT * FROM test;
! 299: }
! 300: } {1 2 3}
! 301: do_test view-7.4 {
! 302: db close
! 303: sqlite3 db test.db
! 304: execsql {
! 305: SELECT * FROM test;
! 306: }
! 307: } {1 2 3}
! 308: do_test view-7.5 {
! 309: execsql {
! 310: DROP VIEW test;
! 311: CREATE VIEW test AS
! 312: SELECT test1.id, a, b
! 313: FROM test1 NATURAL JOIN test2;
! 314: SELECT * FROM test;
! 315: }
! 316: } {1 2 3}
! 317: do_test view-7.6 {
! 318: db close
! 319: sqlite3 db test.db
! 320: execsql {
! 321: SELECT * FROM test;
! 322: }
! 323: } {1 2 3}
! 324:
! 325: do_test view-8.1 {
! 326: execsql {
! 327: CREATE VIEW v6 AS SELECT pqr, xyz FROM v1;
! 328: SELECT * FROM v6 ORDER BY xyz;
! 329: }
! 330: } {7 2 13 5 19 8 27 12}
! 331: do_test view-8.2 {
! 332: db close
! 333: sqlite3 db test.db
! 334: execsql {
! 335: SELECT * FROM v6 ORDER BY xyz;
! 336: }
! 337: } {7 2 13 5 19 8 27 12}
! 338: do_test view-8.3 {
! 339: execsql {
! 340: CREATE VIEW v7 AS SELECT pqr+xyz AS a FROM v6;
! 341: SELECT * FROM v7 ORDER BY a;
! 342: }
! 343: } {9 18 27 39}
! 344:
! 345: ifcapable subquery {
! 346: do_test view-8.4 {
! 347: execsql {
! 348: CREATE VIEW v8 AS SELECT max(cnt) AS mx FROM
! 349: (SELECT a%2 AS eo, count(*) AS cnt FROM t1 GROUP BY eo);
! 350: SELECT * FROM v8;
! 351: }
! 352: } 3
! 353: do_test view-8.5 {
! 354: execsql {
! 355: SELECT mx+10, mx*2 FROM v8;
! 356: }
! 357: } {13 6}
! 358: do_test view-8.6 {
! 359: execsql {
! 360: SELECT mx+10, pqr FROM v6, v8 WHERE xyz=2;
! 361: }
! 362: } {13 7}
! 363: do_test view-8.7 {
! 364: execsql {
! 365: SELECT mx+10, pqr FROM v6, v8 WHERE xyz>2;
! 366: }
! 367: } {13 13 13 19 13 27}
! 368: } ;# ifcapable subquery
! 369:
! 370: # Tests for a bug found by Michiel de Wit involving ORDER BY in a VIEW.
! 371: #
! 372: do_test view-9.1 {
! 373: execsql {
! 374: INSERT INTO t2 SELECT * FROM t2 WHERE a<5;
! 375: INSERT INTO t2 SELECT * FROM t2 WHERE a<4;
! 376: INSERT INTO t2 SELECT * FROM t2 WHERE a<3;
! 377: SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1;
! 378: }
! 379: } {1 2 4 8}
! 380: do_test view-9.2 {
! 381: execsql {
! 382: SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
! 383: }
! 384: } {1 2 4}
! 385: do_test view-9.3 {
! 386: execsql {
! 387: CREATE VIEW v9 AS
! 388: SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
! 389: SELECT * FROM v9;
! 390: }
! 391: } {1 2 4}
! 392: do_test view-9.4 {
! 393: execsql {
! 394: SELECT * FROM v9 ORDER BY 1 DESC;
! 395: }
! 396: } {4 2 1}
! 397: do_test view-9.5 {
! 398: execsql {
! 399: CREATE VIEW v10 AS
! 400: SELECT DISTINCT a, count(*) FROM t2 GROUP BY a ORDER BY 2 LIMIT 3;
! 401: SELECT * FROM v10;
! 402: }
! 403: } {5 1 4 2 3 4}
! 404: do_test view-9.6 {
! 405: execsql {
! 406: SELECT * FROM v10 ORDER BY 1;
! 407: }
! 408: } {3 4 4 2 5 1}
! 409:
! 410: # Tables with columns having peculiar quoted names used in views
! 411: # Ticket #756.
! 412: #
! 413: do_test view-10.1 {
! 414: execsql {
! 415: CREATE TABLE t3("9" integer, [4] text);
! 416: INSERT INTO t3 VALUES(1,2);
! 417: CREATE VIEW v_t3_a AS SELECT a.[9] FROM t3 AS a;
! 418: CREATE VIEW v_t3_b AS SELECT "4" FROM t3;
! 419: SELECT * FROM v_t3_a;
! 420: }
! 421: } {1}
! 422: do_test view-10.2 {
! 423: execsql {
! 424: SELECT * FROM v_t3_b;
! 425: }
! 426: } {2}
! 427:
! 428: do_test view-11.1 {
! 429: execsql {
! 430: CREATE TABLE t4(a COLLATE NOCASE);
! 431: INSERT INTO t4 VALUES('This');
! 432: INSERT INTO t4 VALUES('this');
! 433: INSERT INTO t4 VALUES('THIS');
! 434: SELECT * FROM t4 WHERE a = 'THIS';
! 435: }
! 436: } {This this THIS}
! 437: ifcapable subquery {
! 438: do_test view-11.2 {
! 439: execsql {
! 440: SELECT * FROM (SELECT * FROM t4) WHERE a = 'THIS';
! 441: }
! 442: } {This this THIS}
! 443: }
! 444: do_test view-11.3 {
! 445: execsql {
! 446: CREATE VIEW v11 AS SELECT * FROM t4;
! 447: SELECT * FROM v11 WHERE a = 'THIS';
! 448: }
! 449: } {This this THIS}
! 450:
! 451: # Ticket #1270: Do not allow parameters in view definitions.
! 452: #
! 453: do_test view-12.1 {
! 454: catchsql {
! 455: CREATE VIEW v12 AS SELECT a FROM t1 WHERE b=?
! 456: }
! 457: } {1 {parameters are not allowed in views}}
! 458:
! 459: ifcapable attach {
! 460: do_test view-13.1 {
! 461: forcedelete test2.db
! 462: catchsql {
! 463: ATTACH 'test2.db' AS two;
! 464: CREATE TABLE two.t2(x,y);
! 465: CREATE VIEW v13 AS SELECT y FROM two.t2;
! 466: }
! 467: } {1 {view v13 cannot reference objects in database two}}
! 468: }
! 469:
! 470: # Ticket #1658
! 471: #
! 472: do_test view-14.1 {
! 473: catchsql {
! 474: CREATE TEMP VIEW t1 AS SELECT a,b FROM t1;
! 475: SELECT * FROM temp.t1;
! 476: }
! 477: } {1 {view t1 is circularly defined}}
! 478:
! 479: # Tickets #1688, #1709
! 480: #
! 481: do_test view-15.1 {
! 482: execsql2 {
! 483: CREATE VIEW v15 AS SELECT a AS x, b AS y FROM t1;
! 484: SELECT * FROM v15 LIMIT 1;
! 485: }
! 486: } {x 2 y 3}
! 487: do_test view-15.2 {
! 488: execsql2 {
! 489: SELECT x, y FROM v15 LIMIT 1
! 490: }
! 491: } {x 2 y 3}
! 492:
! 493: do_test view-16.1 {
! 494: catchsql {
! 495: CREATE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1;
! 496: }
! 497: } {0 {}}
! 498: do_test view-16.2 {
! 499: execsql {
! 500: SELECT sql FROM sqlite_master WHERE name='v1'
! 501: }
! 502: } {{CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1}}
! 503: do_test view-16.3 {
! 504: catchsql {
! 505: DROP VIEW IF EXISTS nosuchview
! 506: }
! 507: } {0 {}}
! 508:
! 509: # correct error message when attempting to drop a view that does not
! 510: # exist.
! 511: #
! 512: do_test view-17.1 {
! 513: catchsql {
! 514: DROP VIEW nosuchview
! 515: }
! 516: } {1 {no such view: nosuchview}}
! 517: do_test view-17.2 {
! 518: catchsql {
! 519: DROP VIEW main.nosuchview
! 520: }
! 521: } {1 {no such view: main.nosuchview}}
! 522:
! 523: do_test view-18.1 {
! 524: execsql {
! 525: DROP VIEW t1;
! 526: DROP TABLE t1;
! 527: CREATE TABLE t1(a, b, c);
! 528: INSERT INTO t1 VALUES(1, 2, 3);
! 529: INSERT INTO t1 VALUES(4, 5, 6);
! 530:
! 531: CREATE VIEW vv1 AS SELECT * FROM t1;
! 532: CREATE VIEW vv2 AS SELECT * FROM vv1;
! 533: CREATE VIEW vv3 AS SELECT * FROM vv2;
! 534: CREATE VIEW vv4 AS SELECT * FROM vv3;
! 535: CREATE VIEW vv5 AS SELECT * FROM vv4;
! 536:
! 537: SELECT * FROM vv5;
! 538: }
! 539: } {1 2 3 4 5 6}
! 540:
! 541: # Ticket #3308
! 542: # Make sure "rowid" columns in a view are named correctly.
! 543: #
! 544: do_test view-19.1 {
! 545: execsql {
! 546: CREATE VIEW v3308a AS SELECT rowid, * FROM t1;
! 547: }
! 548: execsql2 {
! 549: SELECT * FROM v3308a
! 550: }
! 551: } {rowid 1 a 1 b 2 c 3 rowid 2 a 4 b 5 c 6}
! 552: do_test view-19.2 {
! 553: execsql {
! 554: CREATE VIEW v3308b AS SELECT t1.rowid, t1.a, t1.b+t1.c FROM t1;
! 555: }
! 556: execsql2 {
! 557: SELECT * FROM v3308b
! 558: }
! 559: } {rowid 1 a 1 t1.b+t1.c 5 rowid 2 a 4 t1.b+t1.c 11}
! 560: do_test view-19.3 {
! 561: execsql {
! 562: CREATE VIEW v3308c AS SELECT t1.oid, A, t1.b+t1.c AS x FROM t1;
! 563: }
! 564: execsql2 {
! 565: SELECT * FROM v3308c
! 566: }
! 567: } {rowid 1 a 1 x 5 rowid 2 a 4 x 11}
! 568:
! 569: # Ticket #3539 had this crashing (see commit [5940]).
! 570: do_test view-20.1 {
! 571: execsql {
! 572: DROP TABLE IF EXISTS t1;
! 573: DROP VIEW IF EXISTS v1;
! 574: CREATE TABLE t1(c1);
! 575: CREATE VIEW v1 AS SELECT c1 FROM (SELECT t1.c1 FROM t1);
! 576: }
! 577: } {}
! 578:
! 579: finish_test
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