mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-03 19:15:54 +00:00
141 lines
4.4 KiB
Perl
141 lines
4.4 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 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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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 $master_dbh = $sb->get_dbh_for('master');
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if ( !$master_dbh ) {
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plan skip_all => 'Cannot connect to sandbox master';
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}
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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 $master_dsn = 'h=127.1,P=12345,u=msandbox,p=msandbox';
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my @args = (qw(--set-vars innodb_lock_wait_timeout=3 --alter-foreign-keys-method rebuild_constraints));
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my $output;
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my $exit_status;
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1632522
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# pt-online-schema-change fails with duplicate key in table for self-referencing FK
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# ############################################################################
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diag("Before loading sql");
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$sb->load_file('master', "t/pt-online-schema-change/samples/bug-1632522.sql");
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diag("after loading sql");
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# run once: we expect the constraint name to be appended with one underscore
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# but the self-referencing constraint will have 2 underscore
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=bug1632522,t=test_table",
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"--alter", "ENGINE=InnoDB",
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qw(--execute)) },
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);
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my $query = <<"END";
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SELECT TABLE_NAME, CONSTRAINT_NAME
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FROM information_schema.KEY_COLUMN_USAGE
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WHERE table_schema='bug1632522'
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AND (TABLE_NAME='test_table' OR TABLE_NAME='person')
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AND CONSTRAINT_NAME LIKE '%fk_%'
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ORDER BY TABLE_NAME, CONSTRAINT_NAME
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END
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my $constraints = $master_dbh->selectall_arrayref($query);
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my @constraints = sort { @$a[0].@$a[1] cmp @$b[0].@$b[1] } @$constraints;
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is_deeply(
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$constraints,
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[
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['person', 'fk_testId'],
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['test_table', 'fk_person'],
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['test_table', 'fk_refId'],
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],
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"First run adds or removes underscore from constraint names, accordingly"
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);
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# run second time: we expect constraint names to be prefixed with one underscore
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# if they havre't one, and to remove 2 if they have 2
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=bug1632522,t=test_table",
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"--alter", "ENGINE=InnoDB",
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qw(--execute)) },
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);
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$query = <<"END";
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SELECT TABLE_NAME, CONSTRAINT_NAME
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FROM information_schema.KEY_COLUMN_USAGE
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WHERE table_schema='bug1632522'
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AND (TABLE_NAME='test_table' OR TABLE_NAME='person')
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AND CONSTRAINT_NAME LIKE '%fk_%'
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ORDER BY TABLE_NAME, CONSTRAINT_NAME
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END
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$constraints = $master_dbh->selectall_arrayref($query);
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@constraints = sort { @$a[0].@$a[1] cmp @$b[0].@$b[1] } @$constraints;
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is_deeply(
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\@constraints,
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[
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['person', 'fk_testId'],
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['test_table', 'fk_person'],
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['test_table', 'fk_refId'],
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],
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"Second run self-referencing will be one due to rebuild_constraints"
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);
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# run third time: we expect constraints to be the same as we started (toggled back)
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=bug1632522,t=test_table",
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"--alter", "ENGINE=InnoDB",
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qw(--execute)) },
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);
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$query = <<"END";
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SELECT TABLE_NAME, CONSTRAINT_NAME
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FROM information_schema.KEY_COLUMN_USAGE
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WHERE table_schema='bug1632522'
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and (TABLE_NAME='test_table' OR TABLE_NAME='person')
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and CONSTRAINT_NAME LIKE '%fk_%'
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ORDER BY TABLE_NAME, CONSTRAINT_NAME
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END
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$constraints = $master_dbh->selectall_arrayref($query);
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is_deeply(
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$constraints,
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[
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['person', 'fk_testId'],
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['test_table', 'fk_person'],
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['test_table', 'fk_refId'],
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],
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"Third run toggles constraint names back to how they were"
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);
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# #############################################################################
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# Done.
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# #############################################################################
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$sb->wipe_clean($master_dbh);
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ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
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done_testing;
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