~drizzle-trunk/drizzle/development

# Copyright (C) 2008-2009 Sun Microsystems, Inc. All rights reserved.

# Use is subject to license terms.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; version 2 of the License.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301

# USA

use strict;

use lib 'lib';

use lib '../lib';

use DBI;

use GenTest::Constants;

use GenTest::Executor::MySQL;

use GenTest::Simplifier::SQL;

use GenTest::Simplifier::Test;

#

# Please modify those settings to fit your environment before you run this script

#

my $basedir = '/build/bzr/mysql-6.0-codebase-bugfixing';

my $vardir = $basedir.'/mysql-test/var';

my $dsn = 'dbi:mysql:host=127.0.0.1:port=19306:user=root:database=test';

my $original_query = ' 

	SELECT 1 FROM DUAL

';

# Maximum number of seconds a query will be allowed to proceed. It is assumed that most crashes will happen immediately after takeoff

my $timeout = 10;

my @mtr_options = (

#	'--mysqld=--innodb',

	'--mysqld=--log-output=file',	# Prevents excessively long CSV recovery on each startup

	'--start-and-exit',

	'--start-dirty',

	"--vardir=$vardir",

	"--master_port=19306",

	'--skip-ndbcluster',

	'--mysqld=--loose-core-file-size=1',

	'--fast',

	'1st'	# Required for proper operation of MTR --start-and-exit

);

my $orig_database = 'test';

my $new_database = 'crash';

my $executor;

start_server();

my $simplifier = GenTest::Simplifier::SQL->new(

	oracle => sub {

		my $oracle_query = shift;

		my $dbh = $executor->dbh();

		my $connection_id = $dbh->selectrow_array("SELECT CONNECTION_ID()");

		$dbh->do("CREATE EVENT timeout ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL $timeout SECOND DO KILL QUERY $connection_id");

		$executor->execute($oracle_query);

		# Or, alternatively, execute as a prepared statement

		# $executor->execute("PREPARE prep_stmt FROM \"$oracle_query\"");

		# $executor->execute("EXECUTE prep_stmt");

		# $executor->execute("EXECUTE prep_stmt");

		# $executor->execute("DEALLOCATE PREPARE prep_stmt");

		$dbh->do("DROP EVENT IF EXISTS timeout");

		if (!$executor->dbh()->ping()) {

			start_server();

			return ORACLE_ISSUE_STILL_REPEATABLE;

		} else {

			return ORACLE_ISSUE_NO_LONGER_REPEATABLE;

		}

	}

);

my $simplified_query = $simplifier->simplify($original_query);

print "Simplified query:\n$simplified_query;\n\n";

my $simplifier_test = GenTest::Simplifier::Test->new(

	executors => [ $executor ],

	queries => [ $simplified_query , $original_query ]

);

my $simplified_test = $simplifier_test->simplify();

print "Simplified test\n\n";

print $simplified_test;

sub start_server {

	chdir($basedir.'/mysql-test') or die $!;

	system("MTR_VERSION=1 perl mysql-test-run.pl ".join(" ", @mtr_options));

	$executor = GenTest::Executor::MySQL->new( dsn => $dsn );

	$executor->init();

	my $dbh = $executor->dbh();

	$dbh->do("SET GLOBAL EVENT_SCHEDULER = ON");

}