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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 $source_dbh = $sb->get_dbh_for('source');
my $replica_dbh = $sb->get_dbh_for('replica1');
if ( !$source_dbh ) {
plan skip_all => 'Cannot connect to sandbox source';
}
elsif ( !$replica_dbh ) {
plan skip_all => 'Cannot connect to sandbox replica';
}
my $source_dsn = $sb->dsn_for('source');
my $replica1_dsn = $sb->dsn_for('replica1');
# #############################################################################
# Issue 410: mk-table-sync doesn't have --float-precision
# #############################################################################
$sb->create_dbs($source_dbh, ['test']);
$source_dbh->do('create table test.fl (id int not null primary key, f float(12,10), d double)');
$source_dbh->do('insert into test.fl values (1, 1.0000012, 2.0000012)');
$sb->wait_for_replicas();
$replica_dbh->do('update test.fl set d = 2.0000013 where id = 1');
# The columns really are different at this point so we should
# get a REPLACE without using --float-precision.
$output = `$trunk/bin/pt-table-sync --sync-to-source h=127.1,P=12346,u=msandbox,p=msandbox,D=test,t=fl --print 2>&1`;
$output = remove_traces($output);
is(
$output,
"REPLACE INTO `test`.`fl`(`id`, `f`, `d`) VALUES ('1', 1.0000011921, 2.0000012);
",
'No --float-precision so double col diff at high precision (issue 410)'
);
# Now use --float-precision to roundoff the differing columns.
# We have 2.0000012
# vs. 2.0000013, so if we round at 6 places, they should be the same.
$output = `$trunk/bin/pt-table-sync --sync-to-source h=127.1,P=12346,u=msandbox,p=msandbox,D=test,t=fl --print --float-precision 6 2>&1`;
is(
$output,
'',
'--float-precision so no more diff (issue 410)'
);
# Although the SQL statement contains serialized values with more than necessary decimal digits
# we produce the expected value on execution
$output = `$trunk/bin/pt-table-sync --sync-to-source h=127.1,P=12346,u=msandbox,p=msandbox,D=test,t=fl --execute 2>&1`;
is(
$output,
'',
'REPLACE statement can be successfully applied'
);
$sb->wait_for_replicas();
my @rows = $replica_dbh->selectrow_array('SELECT `d` FROM `test`.`fl` WHERE `d` = 2.0000012');
is_deeply(
\@rows,
[2.0000012],
'Floating point values are set correctly in round trip'
);
# #############################################################################
# pt-table-sync quotes floats, prevents syncing
# https://bugs.launchpad.net/percona-toolkit/+bug/1229861
# #############################################################################
$sb->load_file('source', "t/pt-table-sync/samples/sync-float.sql");
$replica_dbh->do("INSERT INTO sync_float_1229861.t (`c1`, `c2`, `c3`, `snrmin`, `snrmax`, `snravg`) VALUES (1,1,1,29.5,33.5,31.6)");
$output = output(sub {
pt_table_sync::main(
"$source_dsn,D=sync_float_1229861,t=t",
"$replica1_dsn",
qw(--no-check-replica --print --execute))
},
stderr => 1,
);
my $rows = $replica_dbh->selectall_arrayref("SELECT * FROM sync_float_1229861.t");
is_deeply(
$rows,
[],
"Sync rows with float values (bug 1229861)"
) or diag(Dumper($rows), $output);
# #############################################################################
# Done.
# #############################################################################
$sb->wipe_clean($source_dbh);
$sb->wipe_clean($replica_dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
done_testing;
|
