mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-22 11:54:54 +00:00
102 lines
3.3 KiB
Perl
102 lines
3.3 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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my $sample = "t/pt-online-schema-change/samples/";
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1215587
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# Adding _ to constraints can create issues with constraint name length
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# ############################################################################
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$sb->load_file('master', "$sample/bug-1215587.sql");
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# run once: we expect constraint names to be prefixed with one underscore
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# note: We're running just a neutral no-op alter. We are only interested in constraint name
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# changes.
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=bug1215587,t=Table1",
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"--alter", "ENGINE=InnoDB",
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qw(--execute)) },
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);
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my $constraints = $master_dbh->selectall_hashref("SELECT CONSTRAINT_NAME, TABLE_NAME FROM information_schema.KEY_COLUMN_USAGE WHERE table_schema='bug1215587' and (TABLE_NAME='Table1' OR TABLE_NAME='Table2') and CONSTRAINT_NAME LIKE '%fkey%'", 'table_name');
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is(
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$constraints->{Table1}->{constraint_name},
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'_fkey1',
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"Altered table: constraint name prefixed one underscore after 1st run"
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);
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is(
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$constraints->{Table2}->{constraint_name},
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'_fkey2',
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"Child table : constraint name prefixed one underscore after 1st run"
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);
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# run second time
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# we expect underscores to be removed
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=bug1215587,t=Table1",
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"--alter", "ENGINE=InnoDB",
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qw(--execute)) },
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);
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$constraints = $master_dbh->selectall_hashref("SELECT CONSTRAINT_NAME, TABLE_NAME FROM information_schema.KEY_COLUMN_USAGE WHERE table_schema='bug1215587' and (TABLE_NAME='Table1' OR TABLE_NAME='Table2') and CONSTRAINT_NAME LIKE '%fkey%'", 'table_name');
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is(
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$constraints->{'Table1'}->{constraint_name},
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'fkey1',
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"Altered table: constraint name removed underscore after 2nd run"
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);
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is(
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$constraints->{'Table2'}->{constraint_name},
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'fkey2',
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"Child table : constraint name removed underscore after 2nd run"
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);
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# #############################################################################
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# Done.
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# #############################################################################
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$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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