mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-03 02:55:57 +00:00
76c1202cb5
- Updated modules and tests for pt-online-schema-change - Removed typo from lib/MasterSlave.pm
97 lines
3.1 KiB
Perl
97 lines
3.1 KiB
Perl
#!/usr/bin/env perl
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BEGIN {
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die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
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unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
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unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
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};
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use strict;
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use warnings FATAL => 'all';
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use threads;
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use threads::shared;
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use Thread::Semaphore;
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use English qw(-no_match_vars);
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use Test::More;
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use Data::Dumper;
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use PerconaTest;
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use Sandbox;
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use SqlModes;
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use File::Temp qw/ tempdir /;
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if ($sandbox_version lt '5.7') {
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plan skip_all => 'This test needs MySQL 5.7+';
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} else {
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plan tests => 3;
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}
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require "$trunk/bin/pt-online-schema-change";
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my $dp = new DSNParser(opts=>$dsn_opts);
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my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
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my $dbh = $sb->get_dbh_for('source');
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my $dsn = $sb->dsn_for("source");
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my $replica_dbh = $sb->get_dbh_for('replica1');
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# The sandbox servers run with lock_wait_timeout=3 and it's not dynamic
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# so we need to specify --set-vars innodb_lock_wait_timeout=3 else the
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# tool will die.
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my @args = (qw(--set-vars innodb_lock_wait_timeout=3));
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my $output;
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my $exit_status;
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my $source_port = $sb->port_for('source');
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my $num_rows = 5000;
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$sb->load_file('source', "t/pt-online-schema-change/samples/pt-1757.sql");
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diag(`util/mysql_random_data_load --host=127.0.0.1 --port=$source_port --user=msandbox --password=msandbox test t1 $num_rows`);
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# Let's alter the stats to force this scenario:
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# 1) On source, we are going to put 100 as the number of rows in the table. This will make osc to try to run in one chunk
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# 2) On the replica, we are going to put the real number of rows. This will cause a fallback to nibble and pt-osc should call
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# NibbleIterator->switch_to_nibble()
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$dbh->do('SET @@SESSION.sql_log_bin=0');
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$dbh->do('update mysql.innodb_table_stats set n_rows=100 where table_name="t1"');
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$dbh->do('update mysql.innodb_index_stats set stat_value=100 where stat_description in("id") and table_name="t1"');
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$dbh->do('SET @@SESSION.sql_log_bin=1');
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$replica_dbh->do('SET @@SESSION.sql_log_bin=0');
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$replica_dbh->do("update mysql.innodb_table_stats set n_rows=$num_rows where table_name='t1'");
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$replica_dbh->do("update mysql.innodb_index_stats set stat_value=$num_rows where stat_description in('id') and table_name='t1'");
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$replica_dbh->do('SET @@SESSION.sql_log_bin=1');
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args, "$dsn,D=test,t=t1",
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'--execute', '--alter', "ADD COLUMN new_col INT NOT NULL DEFAULT 1",
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'--chunk-size', '25',
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),
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},
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stderr => 1,
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);
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is(
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$exit_status,
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0,
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"Altered OK status",
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);
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# The WHERE clause here is important as a double check that the table was altered and new_col exists
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my $rows = $dbh->selectrow_arrayref("SELECT COUNT(*) FROM test.t1 WHERE new_col = 1");
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is(
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$rows->[0],
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$num_rows,
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"Correct rows count"
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) or diag(Dumper($rows));
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# #############################################################################
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# Done.
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# #############################################################################
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$sb->wipe_clean($dbh);
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ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
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done_testing;
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