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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 PerconaTest;
use Sandbox;
require "$trunk/bin/pt-table-checksum";
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';
}
else {
plan tests => 8;
}
# The sandbox servers run with lock_wait_timeout=3 and it's not dynamic
# so we need to specify --set-vars innodb_lock_wait_timeout=3 else the tool will die.
# And --max-load "" prevents waiting for status variables.
my $master_dsn = 'h=127.1,P=12345,u=msandbox,p=msandbox';
my @args = ($master_dsn, qw(--set-vars innodb_lock_wait_timeout=3), '--max-load', '');
my $row;
my $output;
my $exit_status;
# --chunk-size is dynamic; it varies according to --chunk-time and
# however fast the server happens to be. So test this is difficult
# because it's inherently nondeterministic. However, with one table,
# the first chunk should equal the chunk size, and the 2nd chunk should
# larger, unless it takes your machine > 0.5s to select 100 rows.
pt_table_checksum::main(@args, qw(--quiet -t sakila.rental));
$row = $master_dbh->selectrow_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='rental' and chunk=1");
is_deeply(
$row,
[1, 1001],
"First chunk is default size"
);
$row = $master_dbh->selectrow_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='rental' and chunk=2");
is(
$row->[0],
1002,
"2nd chunk lower boundary"
);
cmp_ok(
$row->[1] - $row->[0],
'>',
1000,
"2nd chunk is larger"
);
# ############################################################################
# Explicit --chunk-size should override auto-sizing.
# ############################################################################
pt_table_checksum::main(@args, qw(--quiet --chunk-size 100 -t sakila.city));
# There's 600 rows in sakila.city so there should be 6 chunks.
$row = $master_dbh->selectall_arrayref("select lower_boundary, upper_boundary from percona.checksums where db='sakila' and tbl='city'");
is_deeply(
$row,
[
[ 1, 100],
[101, 200],
[201, 300],
[301, 400],
[401, 500],
[501, 600],
[undef, 1], # lower oob
[600, undef], # upper oob
],
"Explicit --chunk-size disables auto chunk sizing"
);
# ############################################################################
# Sub-second chunk-time.
# ############################################################################
SKIP: {
skip "Too slow", 1;
$output = output(
sub { pt_table_checksum::main(@args,
qw(--quiet --chunk-time .001 -d mysql)) },
stderr => 1,
);
unlike(
$output,
qr/Cannot checksum table/,
"Very small --chunk-time doesn't cause zero --chunk-size"
);
}
# #############################################################################
# Bug 921700: pt-table-checksum doesn't add --where to chunk-oversize test
# on replicas
# #############################################################################
$sb->load_file('master', 't/pt-table-checksum/samples/600cities.sql');
$master_dbh->do("LOAD DATA LOCAL INFILE '$trunk/t/pt-table-checksum/samples/600cities.data' INTO TABLE test.t");
$master_dbh->do("SET SQL_LOG_BIN=0");
$master_dbh->do("DELETE FROM test.t WHERE id > 100");
$master_dbh->do("SET SQL_LOG_BIN=1");
# Now there are 100 rows on the master and 600 on the slave.
$output = output(
sub { $exit_status = pt_table_checksum::main(@args,
qw(-t test.t --chunk-size 100 --where id<=100)); },
stderr => 1,
);
is(
$exit_status,
0,
"Zero exit status (bug 185734)"
);
like(
$output,
qr/test.t$/,
"Checksummed table (bug 185734)"
);
# #############################################################################
# Done.
# #############################################################################
$sb->wipe_clean($master_dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
exit;
|
