# 2011 Feb 04 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. # # This file test deferred foreign key constraint processing to make # sure that when a statement not within BEGIN...END fails a constraint, # that statement doesn't hold the transaction open thus allowing # a subsequent statement to fail a deferred constraint with impunity. # set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable {!foreignkey||!trigger} { finish_test return } # Create a table and some data to work with. # do_test fkey4-1.1 { execsql { PRAGMA foreign_keys = ON; CREATE TABLE t1(a PRIMARY KEY, b); CREATE TABLE t2(c REFERENCES t1 DEFERRABLE INITIALLY DEFERRED, d); INSERT INTO t1 VALUES(1,2); INSERT INTO t2 VALUES(1,3); } } {} do_test fkey4-1.2 { set ::DB [sqlite3_connection_pointer db] set ::SQL {INSERT INTO t2 VALUES(2,4)} set ::STMT1 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL] sqlite3_step $::STMT1 } {SQLITE_CONSTRAINT} do_test fkey4-1.3 { set ::STMT2 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL] sqlite3_step $::STMT2 } {SQLITE_CONSTRAINT} do_test fkey4-1.4 { db eval {SELECT * FROM t2} } {1 3} sqlite3_finalize $::STMT1 sqlite3_finalize $::STMT2 finish_test