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 test deferred foreign key constraint processing to make
14 # sure that when a statement not within BEGIN...END fails a constraint,
15 # that statement doesn't hold the transaction open thus allowing
16 # a subsequent statement to fail a deferred constraint with impunity.
19 set testdir [file dirname $argv0]
20 source $testdir/tester.tcl
22 ifcapable {!foreignkey||!trigger} {
27 # Create a table and some data to work with.
31 PRAGMA foreign_keys = ON;
32 CREATE TABLE t1(a PRIMARY KEY, b);
33 CREATE TABLE t2(c REFERENCES t1 DEFERRABLE INITIALLY DEFERRED, d);
34 INSERT INTO t1 VALUES(1,2);
35 INSERT INTO t2 VALUES(1,3);
40 set ::DB [sqlite3_connection_pointer db]
41 set ::SQL {INSERT INTO t2 VALUES(2,4)}
42 set ::STMT1 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
45 verify_ex_errcode fkey4-1.2b SQLITE_CONSTRAINT_FOREIGNKEY
47 set ::STMT2 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
50 verify_ex_errcode fkey4-1.3b SQLITE_CONSTRAINT_FOREIGNKEY
52 db eval {SELECT * FROM t2}
54 sqlite3_finalize $::STMT1
55 sqlite3_finalize $::STMT2