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Add and test --[no]check-child-tables.

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This commit is contained in:
Daniel Nichter
2013-12-13 19:31:30 -08:00
parent c2fecb1679
commit 39c020020c
4 changed files with 191 additions and 2 deletions
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88
t/pt-table-sync/safety_checks.t Normal file
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#!/usr/bin/env perl
BEGIN {
die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
};
use strict;
use warnings FATAL => 'all';
use English qw(-no_match_vars);
use Test::More;
use Data::Dumper;
use PerconaTest;
use Sandbox;
require "$trunk/bin/pt-table-sync";
my $output;
my $dp = new DSNParser(opts=>$dsn_opts);
my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
my $master_dbh = $sb->get_dbh_for('master');
my $slave_dbh = $sb->get_dbh_for('slave1');
if ( !$master_dbh ) {
plan skip_all => 'Cannot connect to sandbox master';
}
elsif ( !$slave_dbh ) {
plan skip_all => 'Cannot connect to sandbox slave';
}
my $master_dsn = $sb->dsn_for('master');
my $slave1_dsn = $sb->dsn_for('slave1');
# #############################################################################
# --[no]check-child-tables
# pt-table-sync deletes child table rows Edit
# https://bugs.launchpad.net/percona-toolkit/+bug/1223458
# #############################################################################
$sb->load_file('master', 't/pt-table-sync/samples/on_del_cas.sql');
$master_dbh->do("INSERT INTO on_del_cas.parent VALUES (1), (2)");
$master_dbh->do("INSERT INTO on_del_cas.child1 VALUES (null, 1)");
$master_dbh->do("INSERT INTO on_del_cas.child2 VALUES (null, 1)");
$sb->wait_for_slaves();
$output = output(
sub {
pt_table_sync::main($slave1_dsn, qw(--sync-to-master),
qw(--execute -d on_del_cas))
},
stderr => 1,
);
like(
$output,
qr/on on_del_cas.parent can adversely affect child table `on_del_cas`.`child2` because it has an ON DELETE CASCADE/,
"check-child-tables: error message"
);
my $rows = $slave_dbh->selectall_arrayref("select * from on_del_cas.child2");
is_deeply(
$rows,
[ [1,1] ],
"check-child-tables: child2 row not deleted"
) or diag(Dumper($rows));
$output = output(
sub {
pt_table_sync::main($slave1_dsn, qw(--sync-to-master),
qw(--print -d on_del_cas))
},
stderr => 1,
);
unlike(
$output,
qr/on on_del_cas.parent can adversely affect child table `on_del_cas`.`child2` because it has an ON DELETE CASCADE/,
"check-child-tables: no error message with --print"
);
# #############################################################################
# Done.
# #############################################################################
$sb->wipe_clean($master_dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
done_testing;