Files
percona-toolkit/t/pt-online-schema-change/alter_active_table.t

263 lines
6.9 KiB
Perl

#!/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-online-schema-change";
require VersionParser;
use Time::HiRes qw(sleep);
use Data::Dumper;
$Data::Dumper::Indent = 1;
$Data::Dumper::Sortkeys = 1;
$Data::Dumper::Quotekeys = 0;
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 $output;
my $master_dsn = "h=127.1,P=12345,u=msandbox,p=msandbox";
my $sample = "t/pt-online-schema-change/samples";
my $exit;
my $rows;
my $query_table_stop = "/tmp/query_table.$PID.stop";
my $query_table_pid = "/tmp/query_table.$PID.pid";
my $query_table_output = "/tmp/query_table.$PID.output";
sub start_query_table {
my ($db, $tbl, $pkcol) = @_;
diag(`rm -rf $query_table_stop`);
diag(`echo > $query_table_output`);
my $cmd = "$trunk/$sample/query_table.pl";
system("$cmd 127.1 12345 $db $tbl $pkcol $query_table_stop $query_table_pid >$query_table_output &");
wait_until(sub{-e $query_table_pid});
return;
}
sub stop_query_table {
diag(`touch $query_table_stop`);
open my $fh, '<', $query_table_pid or die $OS_ERROR;
my ($p) = <$fh>;
close $fh;
chomp $p;
wait_until(sub{!kill 0, $p});
return;
}
sub get_ids {
open my $fh, '<', $query_table_output
or die "Cannot open $query_table_output: $OS_ERROR";
my @lines = <$fh>;
close $fh;
my %ids = (
updated => '',
deleted => '',
inserted => '',
);
foreach my $line ( @lines ) {
my ($stmt, $ids) = split(':', $line);
chomp $ids;
$ids{$stmt} = $ids || '';
}
return \%ids;
}
sub check_ids {
my ( $db, $tbl, $pkcol, $ids, $test ) = @_;
my $rows;
my $n_updated = $ids->{updated} ? ($ids->{updated} =~ tr/,//) : 0;
my $n_deleted = $ids->{deleted} ? ($ids->{deleted} =~ tr/,//) : 0;
my $n_inserted = $ids->{inserted} ?($ids->{inserted} =~ tr/,//) : 0;
# "1,1"=~tr/,// returns 1 but is 2 values
$n_updated++ if $n_updated;
$n_deleted++ if $n_deleted;
$n_inserted++;
$rows = $master_dbh->selectrow_arrayref(
"SELECT COUNT($pkcol) FROM $db.$tbl");
is(
$rows->[0],
500 + $n_inserted - $n_deleted,
"$test: new table rows: 500 original + $n_inserted inserted - $n_deleted deleted"
) or diag(Dumper($rows));
$rows = $master_dbh->selectall_arrayref(
"SELECT $pkcol FROM $db.$tbl WHERE $pkcol > 500 AND $pkcol NOT IN ($ids->{inserted})");
is_deeply(
$rows,
[],
"$test: no extra rows inserted in new table"
) or diag(Dumper($rows));
if ( $n_deleted ) {
$rows = $master_dbh->selectall_arrayref(
"SELECT $pkcol FROM $db.$tbl WHERE $pkcol IN ($ids->{deleted})");
is_deeply(
$rows,
[],
"$test: no deleted rows present in new table"
) or diag(Dumper($rows));
}
else {
ok(
1,
"$test: no rows deleted"
);
};
if ( $n_updated ) {
my $sql = "SELECT $pkcol FROM $db.$tbl WHERE $pkcol IN ($ids->{updated}) "
. "AND c NOT LIKE 'updated%'";
$rows = $master_dbh->selectall_arrayref($sql);
is_deeply(
$rows,
[],
"$test: updated rows correct in new table"
) or diag(Dumper($rows));
}
else {
ok(
1,
"$test: no rows updated"
);
}
return;
}
# #############################################################################
# Attempt to alter a table while another process is changing it.
# #############################################################################
my $db_flavor = VersionParser->new($master_dbh)->flavor();
if ( $db_flavor =~ m/XtraDB Cluster/ ) {
$sb->load_file('master', "$sample/basic_no_fks_innodb.sql");
}
else {
$sb->load_file('master', "$sample/basic_no_fks.sql");
}
$master_dbh->do("USE pt_osc");
$master_dbh->do("TRUNCATE TABLE t");
$master_dbh->do("LOAD DATA INFILE '$trunk/t/pt-online-schema-change/samples/basic_no_fks.data' INTO TABLE t");
$master_dbh->do("ANALYZE TABLE t");
$sb->wait_for_slaves();
# Start inserting, updating, and deleting rows at random.
start_query_table(qw(pt_osc t id));
# While that's ^ happening, alter the table.
($output, $exit) = full_output(
sub { pt_online_schema_change::main(
"$master_dsn,D=pt_osc,t=t",
qw(--set-vars innodb_lock_wait_timeout=5),
qw(--print --execute --chunk-size 100 --alter ENGINE=InnoDB)) },
stderr => 1,
);
# Stop changing the table's data.
stop_query_table();
like(
$output,
qr/Successfully altered `pt_osc`.`t`/,
'Change engine: altered OK'
);
$rows = $master_dbh->selectall_hashref('SHOW TABLE STATUS FROM pt_osc', 'name');
is(
$rows->{t}->{engine},
'InnoDB',
"Change engine: new table ENGINE=InnoDB"
) or warn Dumper($rows);
is(
scalar keys %$rows,
1,
"Change engine: dropped old table"
);
is(
$exit,
0,
"Change engine: exit status 0"
);
# #############################################################################
# Check that triggers work when renaming a column
# #############################################################################
$master_dbh->do("USE pt_osc");
$master_dbh->do("TRUNCATE TABLE t");
$master_dbh->do("LOAD DATA INFILE '$trunk/t/pt-online-schema-change/samples/basic_no_fks.data' INTO TABLE t");
$master_dbh->do("ANALYZE TABLE t");
$sb->wait_for_slaves();
# Start inserting, updating, and deleting rows at random.
start_query_table(qw(pt_osc t id));
# While that's ^ happening, alter the table.
($output, $exit) = full_output(
sub { pt_online_schema_change::main(
"$master_dsn,D=pt_osc,t=t",
qw(--set-vars innodb_lock_wait_timeout=5),
qw(--print --execute --chunk-size 100 --no-check-alter),
'--alter', 'CHANGE COLUMN d q date',
) },
stderr => 1,
);
# Stop changing the table's data.
stop_query_table();
like(
$output,
qr/Successfully altered `pt_osc`.`t`/,
'Rename column: altered OK'
);
is(
$exit,
0,
"Rename columnn: exit status 0"
);
check_ids(qw(pt_osc t id), get_ids(), "Rename column");
# #############################################################################
# Done.
# #############################################################################
unlink $query_table_stop or warn $OS_ERROR;
unlink $query_table_output or warn $OS_ERROR;
unlink $query_table_pid or warn $OS_ERROR;
$sb->wipe_clean($master_dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
done_testing;
exit;