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# 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
package GenTest::Validator::ExplainMatch;
require Exporter;
@ISA = qw(GenTest::Validator GenTest);
use strict;
use GenTest;
use GenTest::Constants;
use GenTest::Result;
use GenTest::Validator;
use GenTest::Simplifier::Test;
use Data::Dumper;
my $match_string = 'unique row not found';
1;
sub validate {
my ($validator, $executors, $results) = @_;
my $executor = $executors->[0];
my $query = $results->[0]->query();
return STATUS_WONT_HANDLE if $query !~ m{^\s*SELECT}sio;
my $explain_output = $executor->dbh()->selectall_arrayref("EXPLAIN $query");
my $explain_string = Dumper $explain_output;
if ($explain_string =~ m{$match_string}sio) {
say("EXPLAIN $query matches $match_string");
my $simplifier_test = GenTest::Simplifier::Test->new(
executors => [ $executor ],
queries => [ $query , "EXPLAIN $query" ]
);
my $simplified_test = $simplifier_test->simplify();
say("Simplified test:");
print $simplified_test;
return STATUS_CUSTOM_OUTCOME;
} else {
return STATUS_OK;
}
}
1;
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