3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library.
13 # This file implements tests for foreign keys.
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
20 ifcapable {!foreignkey} {
26 PRAGMA foreign_keys = 1;
28 CREATE TABLE s1(a PRIMARY KEY, b);
29 CREATE TABLE par(a, b REFERENCES s1, c UNIQUE, PRIMARY KEY(a));
31 CREATE TABLE c1(a, b REFERENCES par);
32 CREATE TABLE c2(a, b REFERENCES par);
33 CREATE TABLE c3(a, b REFERENCES par(c));
36 proc auth {op tbl args} {
37 if {$op == "SQLITE_READ"} { set ::tbls($tbl) 1 }
42 proc do_tblsread_test {tn sql tbllist} {
44 uplevel [list execsql $sql]
45 uplevel [list do_test $tn {lsort [array names ::tbls]} $tbllist]
48 do_tblsread_test 1.2 { UPDATE par SET b=? WHERE a=? } {par s1}
49 do_tblsread_test 1.3 { UPDATE par SET a=? WHERE b=? } {c1 c2 par}
50 do_tblsread_test 1.4 { UPDATE par SET c=? WHERE b=? } {c3 par}
51 do_tblsread_test 1.5 { UPDATE par SET a=?,b=?,c=? WHERE b=? } {c1 c2 c3 par s1}
55 CREATE TABLE pX(x PRIMARY KEY);
56 CREATE TABLE cX(a INTEGER PRIMARY KEY, b REFERENCES pX);
59 do_catchsql_test 2.1 {
60 INSERT INTO cX VALUES(11, zeroblob(40));
61 } {1 {FOREIGN KEY constraint failed}}
64 set stmt [sqlite3_prepare_v2 db "INSERT INTO cX VALUES(11, ?)" -1]
65 sqlite3_bind_zeroblob $stmt 1 45
67 sqlite3_finalize $stmt
73 CREATE TABLE p4 (id INTEGER NOT NULL PRIMARY KEY);
74 INSERT INTO p4 VALUES(1), (2), (3);
76 CREATE TABLE c4(x INTEGER REFERENCES p4(id) DEFERRABLE INITIALLY DEFERRED);
77 CREATE INDEX c4_x ON c4(x);
78 INSERT INTO c4 VALUES(1), (2), (3);
81 INSERT INTO p4(id) VALUES(4);