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#!/usr/bin/perl -w -I./t
# $Id: rt_null_nvarchar.t 13028 2009-07-09 18:53:25Z mjevans $
#
# test varbinary(MAX) and varchar(MAX) types in SQL Server
# Mostly rt_38977 with additional:
# test you can insert NULL into VARxxx(MAX) types.
#
use Test::More;
use strict;
$| = 1;
my $has_test_nowarnings = 1;
eval "require Test::NoWarnings";
$has_test_nowarnings = undef if $@;
my $tests = 8;
$tests += 1 if $has_test_nowarnings;
plan tests => $tests;
# can't seem to get the imports right this way
use DBI qw(:sql_types);
my $dbh;
BEGIN {
if (!defined $ENV{DBI_DSN}) {
plan skip_all => "DBI_DSN is undefined";
}
}
END {
if ($dbh) {
eval {
local $dbh->{PrintWarn} = 0;
local $dbh->{PrintError} = 0;
$dbh->do(q/drop table PERL_DBD_rt_NLVC/);
};
}
Test::NoWarnings::had_no_warnings()
if ($has_test_nowarnings);
}
$dbh = DBI->connect();
unless($dbh) {
BAIL_OUT("Unable to connect to the database $DBI::errstr\nTests skipped.\n");
exit 0;
}
$dbh->{RaiseError} = 1;
my $dbms_name = $dbh->get_info(17);
ok($dbms_name, "got DBMS name: $dbms_name"); # 1
my $dbms_version = $dbh->get_info(18);
ok($dbms_version, "got DBMS version: $dbms_version"); # 2
my $driver_name = $dbh->get_info(6);
ok($driver_name, "got DRIVER name: $driver_name"); # 3
my $driver_version = $dbh->get_info(7);
ok($driver_version, "got DRIVER version $driver_version"); # 4
my ($ev, $sth);
SKIP: {
skip "not SQL Server", 4 if $dbms_name !~ /Microsoft SQL Server/;
skip "Easysoft OOB", 4 if $driver_name =~ /esoobclient/;
my $major_version = $dbms_version;
$major_version =~ s/^(\d+)\..*$/$1/;
#diag("Major Version: $major_version\n");
skip "SQL Server version too old", 4 if $major_version < 9;
eval {
local $dbh->{PrintWarn} = 0;
local $dbh->{PrintError} = 0;
$dbh->do('drop table PERL_DBD_rt_NLVC');
};
eval {
$dbh->do('create table PERL_DBD_rt_NLVC (a NVARCHAR(MAX) NULL)');
};
$ev = $@;
ok(!$ev, 'create test table with nvarchar(max)'); # 5
SKIP: {
skip "Failed to create test table", 2 if ($ev);
eval {
$sth = $dbh->prepare('INSERT into PERL_DBD_rt_NLVC VALUES (?)');
};
$ev = $@;
ok($sth && !$@, "prepare insert"); # 6
SKIP: {
skip "Failed to prepare", 2 if ($ev);
my $x = 'x' x 500000;
eval {
$sth->execute($x);
};
$ev = $@;
ok(!$ev, "execute insert"); # 7
if ($ev) {
diag("Execute for insert into varchar(max) failed with $ev");
diag(q/Some SQL Server drivers such as the native client 09.00.1399 / .
q/driver fail this test with a HY104, "Invalid precision error". / .
qq/You have driver $driver_name at version $driver_version. / .
q/There is a free upgrade from Microsoft of the native client driver /.
q/to 10.00.1600 which you will need if you intend to insert / .
q/into varchar(max) columns./);
}
eval {
$sth->execute(undef);
};
ok(!$ev, 'insert NULL into VARCHAR(MAX)') ||
diag($ev); # 8
};
};
eval {
local $dbh->{PrintWarn} = 0;
local $dbh->{PrintError} = 0;
$dbh->do('drop table PERL_DBD_rt_NLVC');
};
};
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