use strict; use warnings; use DBI; use Test::More; use vars qw($test_dsn $test_user $test_password); use lib 't', '.'; require 'lib.pl'; my ($dbh, $sth); $dbh = DbiTestConnect($test_dsn, $test_user, $test_password, { RaiseError => 1, PrintError => 0, AutoCommit => 0 }); plan tests => 9; ok $dbh->do("DROP TABLE IF EXISTS dbd_mysql_t40nulls"), "DROP TABLE IF EXISTS dbd_mysql_t40nulls"; my $create= <do($create), "create table $create"; ok $dbh->do("INSERT INTO dbd_mysql_t40nulls VALUES ( NULL, 'NULL-valued id' )"), "inserting nulls"; ok ($sth = $dbh->prepare("SELECT * FROM dbd_mysql_t40nulls WHERE id IS NULL")); do $sth->execute; ok (my $aref = $sth->fetchrow_arrayref); ok !defined($$aref[0]); ok defined($$aref[1]); ok $dbh->do("DROP TABLE dbd_mysql_t40nulls"); ok $dbh->disconnect;