AryaWu/sqlite

1# 2001 September 152#3# The author disclaims copyright to this source code.  In place of4# 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 foreign keys.14#15 16set testdir [file dirname $argv0]17source $testdir/tester.tcl18set testprefix fkey819 20ifcapable {!foreignkey} {21  finish_test22  return23}24do_execsql_test 1.0 { PRAGMA foreign_keys = 1; }25 26 27foreach {tn use_stmt sql schema} {28  1   1 "DELETE FROM p1" {29    CREATE TABLE p1(a PRIMARY KEY);30    CREATE TABLE c1(b REFERENCES p1);31  }32 33  2.1     0 "DELETE FROM p1" {34    CREATE TABLE p1(a PRIMARY KEY);35    CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE);36  }37  2.2   0 "DELETE FROM p1" {38    CREATE TABLE p1(a PRIMARY KEY);39    CREATE TABLE c1(b REFERENCES p1 ON DELETE SET NULL);40  }41  2.3   1 "DELETE FROM p1" {42    CREATE TABLE p1(a PRIMARY KEY);43    CREATE TABLE c1(b REFERENCES p1 ON DELETE SET DEFAULT);44  }45 46  3   1 "DELETE FROM p1" {47    CREATE TABLE p1(a PRIMARY KEY);48    CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE);49    CREATE TRIGGER ct1 AFTER DELETE ON c1 BEGIN50      INSERT INTO p1 VALUES('x');51    END;52  }53 54  4   1 "DELETE FROM p1" {55    CREATE TABLE p1(a PRIMARY KEY);56    CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);57    CREATE TABLE cc1(d REFERENCES c1);58  }59 60  5.1   0 "DELETE FROM p1" {61    CREATE TABLE p1(a PRIMARY KEY);62    CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);63    CREATE TABLE cc1(d REFERENCES c1 ON DELETE CASCADE);64  }65  5.2   0 "DELETE FROM p1" {66    CREATE TABLE p1(a PRIMARY KEY);67    CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);68    CREATE TABLE cc1(d REFERENCES c1 ON DELETE SET NULL);69  }70  5.3   1 "DELETE FROM p1" {71    CREATE TABLE p1(a PRIMARY KEY);72    CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);73    CREATE TABLE cc1(d REFERENCES c1 ON DELETE SET DEFAULT);74  }75 76  6.1   1 "UPDATE p1 SET a = ?" {77    CREATE TABLE p1(a PRIMARY KEY);78    CREATE TABLE c1(b REFERENCES p1 ON UPDATE SET NULL, c);79  }80  6.2   0 "UPDATE OR IGNORE p1 SET a = ?" {81    CREATE TABLE p1(a PRIMARY KEY);82    CREATE TABLE c1(b REFERENCES p1 ON UPDATE SET NULL, c);83  }84  6.3   1 "UPDATE OR IGNORE p1 SET a = ?" {85    CREATE TABLE p1(a PRIMARY KEY);86    CREATE TABLE c1(b REFERENCES p1 ON UPDATE CASCADE, c);87  }88  6.4   1 "UPDATE OR IGNORE p1 SET a = ?" {89    CREATE TABLE p1(a PRIMARY KEY);90    CREATE TABLE c1(b NOT NULL REFERENCES p1 ON UPDATE SET NULL, c);91  }92 93} {94  drop_all_tables95  do_test 1.$tn {96    execsql $schema97    set stmt [sqlite3_prepare_v2 db $sql -1 dummy]98    set ret [uses_stmt_journal $stmt]99    sqlite3_finalize $stmt100    set ret101  } $use_stmt102}103 104#-------------------------------------------------------------------------105# The following tests check that foreign key constaint counters are106# correctly updated for any implicit DELETE operations that occur107# when a REPLACE command is executed against a WITHOUT ROWID table108# that has no triggers or auxiliary indexes.109#110reset_db111do_execsql_test 2.1.0 {112  PRAGMA foreign_keys = on;113  CREATE TABLE p1(a PRIMARY KEY, b) WITHOUT ROWID;114  CREATE TABLE c1(x REFERENCES p1 DEFERRABLE INITIALLY DEFERRED);115 116  INSERT INTO p1 VALUES(1, 'one');117  INSERT INTO p1 VALUES(2, 'two');118  INSERT INTO c1 VALUES(1);119  INSERT INTO c1 VALUES(2);120}121 122do_catchsql_test 2.1.2 {123  BEGIN;124    DELETE FROM p1 WHERE a=1;125    INSERT OR REPLACE INTO p1 VALUES(2, 'two');126  COMMIT;127} {1 {FOREIGN KEY constraint failed}}128 129reset_db130do_execsql_test 2.2.0 {131  PRAGMA foreign_keys = on;132  CREATE TABLE p2(a PRIMARY KEY, b);133  CREATE TABLE c2(134    x PRIMARY KEY,135    y REFERENCES p2 DEFERRABLE INITIALLY DEFERRED136  ) WITHOUT ROWID;137}138 139do_catchsql_test 2.2.1 {140  BEGIN;141    INSERT INTO c2 VALUES(13, 13);142    INSERT OR REPLACE INTO c2 VALUES(13, 13);143    DELETE FROM c2;144  COMMIT;145} {0 {}}146 147reset_db148do_execsql_test 2.3.0 {149  PRAGMA foreign_keys = on;150  CREATE TABLE p3(a PRIMARY KEY, b) WITHOUT ROWID;151  CREATE TABLE c3(x REFERENCES p3);152 153  INSERT INTO p3 VALUES(1, 'one');154  INSERT INTO p3 VALUES(2, 'two');155  INSERT INTO c3 VALUES(1);156  INSERT INTO c3 VALUES(2);157 158  CREATE TRIGGER p3d AFTER DELETE ON p3 WHEN old.a=1 BEGIN159    INSERT OR REPLACE INTO p3 VALUES(2, 'three');160  END;161}162 163do_catchsql_test 2.3.1 {164  DELETE FROM p3 WHERE a=1165} {1 {FOREIGN KEY constraint failed}}166 167 168do_execsql_test 3.0 {169  PRAGMA foreign_keys=ON;170  CREATE TABLE t2(171    a PRIMARY KEY, b, c, d, e,172      FOREIGN KEY(b, c) REFERENCES t2(d, e)173  ) WITHOUT ROWID;174  CREATE UNIQUE INDEX idx ON t2(d, e);175 176  INSERT INTO t2 VALUES(1, 'one', 'one', 'one', 'one'); -- row is parent of self177  INSERT INTO t2 VALUES(2, 'one', 'one', 'one', NULL);  -- parent is row 1178}179 180do_catchsql_test 3.1 {181  DELETE FROM t2 WHERE a=1;182} {1 {FOREIGN KEY constraint failed}}183 184do_execsql_test 4.0 {185  CREATE TABLE t1 (186      c1 PRIMARY KEY,187      c2 NUMERIC,188      FOREIGN KEY(c1) REFERENCES t1(c2)189      ) WITHOUT ROWID ;190  CREATE INDEX t1c1 ON t1(c1);191  CREATE UNIQUE INDEX t1c1unique ON t1(c2);192}193do_catchsql_test 4.1 {194  INSERT OR REPLACE INTO t1 VALUES(10000, 20000);195} {1 {FOREIGN KEY constraint failed}}196do_execsql_test 4.2 {197  INSERT OR REPLACE INTO t1 VALUES(20000, 20000);198}199 200#-------------------------------------------------------------------------201reset_db202do_execsql_test 5.0 {203  PRAGMA foreign_keys = true;204  CREATE TABLE parent(205    p TEXT PRIMARY KEY206  );207  CREATE TABLE child(208    c INTEGER UNIQUE, 209    FOREIGN KEY(c) REFERENCES parent(p) DEFERRABLE INITIALLY DEFERRED210  );211  BEGIN;212    INSERT INTO child VALUES(123);213    INSERT INTO parent VALUES('123');214  COMMIT;215}216do_execsql_test 5.1 {217  PRAGMA integrity_check;218} {ok}219 220do_execsql_test 5.2 {221  INSERT INTO parent VALUES(1200);222  BEGIN;223    INSERT INTO child VALUES(456);224    UPDATE parent SET p = '456' WHERE p=1200;225  COMMIT;226}227do_execsql_test 5.3 {228  PRAGMA integrity_check;229} {ok}230 231#-------------------------------------------------------------------------232reset_db233forcedelete test.db2234do_execsql_test 6.1 {235  PRAGMA foreign_keys = on;236  CREATE TABLE c1(b);237  INSERT INTO c1 VALUES(123);238}239 240do_execsql_test 6.2 {241  ATTACH 'test.db2' AS aux;242  CREATE TABLE aux.p1(a INTEGER PRIMARY KEY);243  CREATE TABLE aux.c1(b REFERENCES p1(a) ON DELETE RESTRICT);244 245  INSERT INTO aux.p1 VALUES(123);246}247 248do_execsql_test 6.3 {249  DELETE FROM aux.p1 WHERE a=123;250}251 252 253finish_test254