SQLite

Artifact 42f88d6048d8dc079e2a8cf7baad1cc1483a7620:

• File test/fkey3.test — part of check-in [edff3500] at 2009-10-01 16:09:04 on branch trunk — If an update does not modify any child or parent key columns, omit foreign key processing for the statement. (user: dan size: 1759) [more...]

# 2009 September 15
#
# 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 implements tests for foreign keys.
#

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 fkey3-1.1 {
  execsql {
    PRAGMA foreign_keys=ON;
    CREATE TABLE t1(x INTEGER PRIMARY KEY);
    INSERT INTO t1 VALUES(100);
    INSERT INTO t1 VALUES(101);
    CREATE TABLE t2(y INTEGER REFERENCES t1 (x));
    INSERT INTO t2 VALUES(100);
    INSERT INTO t2 VALUES(101);
    SELECT 1, x FROM t1;
    SELECT 2, y FROM t2;
  }
} {1 100 1 101 2 100 2 101}

do_test fkey3-1.2 {
  catchsql {
    DELETE FROM t1 WHERE x=100;
  }
} {1 {foreign key constraint failed}}

do_test fkey3-1.3 {
  catchsql {
    DROP TABLE t1;
  }
} {1 {foreign key constraint failed}}

do_test fkey3-1.4 {
  execsql {
    DROP TABLE t2;
  }
} {}

do_test fkey3-1.5 {
  execsql {
    DROP TABLE t1;
  }
} {}

do_test fkey3-2.1 {
  execsql {
    PRAGMA foreign_keys=ON;
    CREATE TABLE t1(x INTEGER PRIMARY KEY);
    INSERT INTO t1 VALUES(100);
    INSERT INTO t1 VALUES(101);
    CREATE TABLE t2(y INTEGER PRIMARY KEY REFERENCES t1 (x) ON UPDATE SET NULL);
  }
  execsql {
    INSERT INTO t2 VALUES(100);
    INSERT INTO t2 VALUES(101);
    SELECT 1, x FROM t1;
    SELECT 2, y FROM t2;
  }
} {1 100 1 101 2 100 2 101}

finish_test