mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-06 20:38:22 +00:00
684 lines
21 KiB
Perl
684 lines
21 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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use SqlModes;
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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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my $slave_dbh = $sb->get_dbh_for('slave1');
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if ( !$master_dbh ) {
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plan skip_all => 'Cannot connect to sandbox master';
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}
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elsif ( !$slave_dbh ) {
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plan skip_all => 'Cannot connect to sandbox slave1';
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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));
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my $output;
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my $exit_status;
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my $sample = "t/pt-online-schema-change/samples/";
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1336734
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# pt-online-schema-change 2.2.17 adds --null-to-not-null feature
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# ############################################################################
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$sb->load_file('master', "$sample/bug-1336734.sql");
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=test,t=lp1336734",
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"--execute",
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"--null-to-not-null",
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# notice we are not using a DEFAULT value, to also
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# test if the "default default" value for datatype
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# is used
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"--alter", "MODIFY COLUMN name VARCHAR(20) NOT NULL",
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qw(--chunk-size 2 --print)) },
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);
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my $test_rows = $master_dbh->selectall_arrayref("SELECT id, name FROM test.lp1336734 ORDER BY id");
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ok (!$exit_status,
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"--null-to-not-null exit status = 0"
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);
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is_deeply(
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$test_rows,
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[
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[
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'1',
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'curly'
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],
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[
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'2',
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'larry'
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],
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[
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'3',
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''
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],
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[
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'4',
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'moe'
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]
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],
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"--null-to-not-null default value good"
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);
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/994002
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# pt-online-schema-change 2.1.1 doesn't choose the PRIMARY KEY
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# ############################################################################
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$sb->load_file('master', "$sample/pk-bug-994002.sql");
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=test,t=t",
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"--alter", "add column (foo int)",
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qw(--chunk-size 2 --dry-run --print)) },
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);
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# Must chunk the table to detect the next test correctly.
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like(
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$output,
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qr/next chunk boundary/,
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"Bug 994002: chunks the table"
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);
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unlike(
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$output,
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qr/FORCE INDEX\(`guest_language`\)/,
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"Bug 994002: doesn't choose non-PK"
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);
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1002448
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# ############################################################################
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$sb->load_file('master', "$sample/bug-1002448.sql");
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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=test1002448,t=table_name",
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"--alter", "add column (foo int)",
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qw(--chunk-size 2 --dry-run --print)) },
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);
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unlike(
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$output,
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qr/\QThe new table `test1002448`.`_table_name_new` does not have a PRIMARY KEY or a unique index which is required for the DELETE trigger/,
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"Bug 1002448: mistakenly uses indexes instead of keys"
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);
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1003315
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# ############################################################################
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$sb->load_file('master', "$sample/bug-1003315.sql");
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# Have to use full_output here, because the error message may happen during
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# cleanup, and so won't be caught by output().
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=test1003315,t=A",
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"--alter", "ENGINE=InnoDB",
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"--alter-foreign-keys-method", "auto",
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"--dry-run",
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qw(--chunk-size 2 --dry-run --print))
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},
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);
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is(
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$exit_status,
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0,
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"Bug 1003315: Correct exit value for a dry run"
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);
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unlike(
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$output,
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qr/\QError updating foreign key constraints: Invalid --alter-foreign-keys-method:/,
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"Bug 1003315: No error when combining --alter-foreign-keys-method auto and --dry-run"
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);
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like(
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$output,
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qr/\QNot updating foreign key constraints because this is a dry run./,
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"Bug 1003315: But now we do get an explanation from --dry-run"
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);
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# ############################################################################
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# This fakes the conditions to trigger the chunk index error
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# ############################################################################
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{
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my $o = new OptionParser(file => "$trunk/bin/pt-table-checksum");
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$o->get_specs();
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$o->set('check-plan', 1); # check-plan is true by default
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no warnings;
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local *pt_online_schema_change::explain_statement = sub {
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return { key => 'some_key' }
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};
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{
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package PerconaTest::Fake::NibbleIterator;
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sub AUTOLOAD {
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our $AUTOLOAD = $AUTOLOAD;
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return if $AUTOLOAD =~ /one_nibble/;
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return { lower => [], upper => [] }
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}
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}
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eval {
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pt_online_schema_change::nibble_is_safe(
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Cxn => 1,
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tbl => {qw( db some_db tbl some_table )},
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NibbleIterator => bless({}, "PerconaTest::Fake::NibbleIterator"),
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OptionParser => $o,
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);
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};
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like(
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$EVAL_ERROR,
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qr/Error copying rows at chunk.*because MySQL chose/,
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"Dies if MySQL isn't using the chunk index"
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);
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$o->set('quiet', 1);
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eval {
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pt_online_schema_change::nibble_is_safe(
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Cxn => 1,
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tbl => {qw( db some_db tbl some_table )},
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NibbleIterator => bless({}, "PerconaTest::Fake::NibbleIterator"),
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OptionParser => $o,
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);
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};
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like(
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$EVAL_ERROR,
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qr/Error copying rows at chunk.*because MySQL chose/,
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"...even if --quiet was specified",
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);
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}
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# ############################################################################
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# Bug 1041372: ptc-osc and long table names
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# https://bugs.launchpad.net/percona-toolkit/+bug/1041372
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# ############################################################################
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my $orig_tbl = 'very_very_very_very_very_very_very_very_very_long_table_name';
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$master_dbh->do(q{DROP DATABASE IF EXISTS `bug_1041372`});
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$master_dbh->do(q{CREATE DATABASE `bug_1041372`});
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for my $i ( 0..4 ) {
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my $tbl = $orig_tbl . ("a" x $i);
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$master_dbh->do(qq{create table `bug_1041372`.$tbl (a INT NOT NULL AUTO_INCREMENT PRIMARY KEY )});
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$master_dbh->do(qq{insert into `bug_1041372`.$tbl values (1), (2), (3), (4), (5)});
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($output) = full_output(sub {
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pt_online_schema_change::main(@args,
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'--alter', "ADD COLUMN ptosc INT",
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'--execute', "$master_dsn,D=bug_1041372,t=$tbl")
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});
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like(
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$output,
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qr/\QSuccessfully altered `bug_1041372`.`$tbl`/,
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"pt-osc works on long table names (length " . length($tbl) . ")"
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);
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}
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my $triggers = $master_dbh->selectall_arrayref(qq{SHOW TRIGGERS FROM `bug_1041372`});
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is_deeply(
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$triggers,
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[],
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"No triggers left for long table names"
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) or diag(Dumper($triggers));
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$master_dbh->do(q{DROP DATABASE IF EXISTS `bug_1041372`});
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1062324
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# pt-online-schema-change sets bad DELETE trigger when changing Primary Key
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# ############################################################################
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$sb->load_file('master', "$sample/del-trg-bug-1062324.sql");
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{
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# pt-osc has no --no-drop-triggers option, so we hijack its sub.
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no warnings;
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local *pt_online_schema_change::drop_triggers = sub { return };
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# Run the tool but leave the original and new tables as-is,
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# and leave the triggers.
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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=test,t=t1",
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"--alter", "drop key 2bpk, drop key c3, drop primary key, drop c1, add primary key (c2, c3(4)), add key (c3(4))",
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qw(--no-check-alter --execute --no-drop-new-table --no-swap-tables)) },
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);
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# Since _t1_new no longer has the c1 column, the bug caused this
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# query to throw "ERROR 1054 (42S22): Unknown column 'test._t1_new.c1'
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# in 'where clause'".
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eval {
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$master_dbh->do("DELETE FROM test.t1 WHERE c1=1");
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};
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is(
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$EVAL_ERROR,
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"",
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"No delete trigger error after altering PK (bug 1062324)"
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) or diag($output);
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# The original row was (c1,c2,c3) = (1,1,1). We deleted where c1=1,
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# so the row where c2=1 AND c3=1 should no longer exist.
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my $row = $master_dbh->selectrow_arrayref("SELECT * FROM test._t1_new WHERE c2=1 AND c3=1");
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is(
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$row,
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undef,
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"Delete trigger works after altering PK (bug 1062324)"
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);
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# Another instance of this bug:
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# https://bugs.launchpad.net/percona-toolkit/+bug/1103672
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$sb->load_file('master', "$sample/del-trg-bug-1103672.sql");
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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=test,t=t1",
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"--alter", "drop primary key, add column _id int unsigned not null primary key auto_increment FIRST",
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qw(--no-check-alter --execute --no-drop-new-table --no-swap-tables)) },
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);
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eval {
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$master_dbh->do("DELETE FROM test.t1 WHERE id=1");
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};
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is(
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$EVAL_ERROR,
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"",
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"No delete trigger error after altering PK (bug 1103672)"
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) or diag($output);
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$row = $master_dbh->selectrow_arrayref("SELECT * FROM test._t1_new WHERE id=1");
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is(
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$row,
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undef,
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"Delete trigger works after altering PK (bug 1103672)"
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);
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}
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# #############################################################################
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# Something like http://bugs.mysql.com/bug.php?id=45694 means we should not
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# use LOCK IN SHARE MODE with MySQL 5.0.
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# #############################################################################
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$sb->load_file('master', "$sample/basic_no_fks_innodb.sql");
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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=pt_osc,t=t",
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"--alter", "add column (foo int)",
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qw(--execute --print))
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},
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);
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if ( $sandbox_version eq '5.0' ) {
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unlike(
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$output,
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qr/LOCK IN SHARE MODE/,
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"No LOCK IN SHARE MODE for MySQL $sandbox_version"
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);
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}
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else {
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like(
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$output,
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qr/LOCK IN SHARE MODE/,
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"LOCK IN SHARE MODE for MySQL $sandbox_version",
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);
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}
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# ############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1171653
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#
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# ############################################################################
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$sb->load_file('master', "$sample/utf8_charset_tbl.sql");
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($output, $exit_status) = full_output(
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sub { pt_online_schema_change::main(@args,
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"$master_dsn,D=test1171653,t=t",
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"--alter", "drop column foo",
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qw(--execute --print))
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},
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);
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my $row = $master_dbh->selectrow_arrayref("SHOW CREATE TABLE test1171653.t");
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like(
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$row->[1],
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qr/DEFAULT CHARSET=utf8/,
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"Bug 1171653: table charset is not preserved"
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);
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# #############################################################################
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# https://bugs.launchpad.net/percona-toolkit/+bug/1188264
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# pt-online-schema-change error copying rows: Undefined subroutine
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# &pt_online_schema_change::get
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# #############################################################################
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# In exec_nibble() we had:
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# if ( get('statistics') ) {
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# $err .= "but further occurrences will be reported "
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# . "by --statistics when the tool finishes.\n";
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# }
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# which is called when copying rows causes a MySQL warning
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# for the first time. So to test this code path, we need to
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# cause a MySQL warning while copying rows.
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$sb->load_file('master', "$sample/basic_no_fks_innodb.sql");
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#This string will be too long after we modify the table so it will cause a warning about the value being truncated in the new table. The other column values are a single character. Note: if STRICT_TRANS or STRICT_ALL is set , an error is raised instead of a warning. STRICT_TRANS is default in 5.7+
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$master_dbh->do("INSERT INTO pt_osc.t VALUES (null, 'This string will be too long.', NOW())");
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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=pt_osc,t=t",
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"--alter", "modify c varchar(8)",
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qw(--execute --print))
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},
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);
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is(
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$exit_status,
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0,
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"Bug 1188264: 0 exit"
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);
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unlike(
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$output,
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qr/Undefined subroutine/i,
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"Bug 1188264: no undefined subroutine"
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);
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like(
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$output,
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qr/error 1265/, # Data truncated for column 'c' at row 21
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"Bug 1188264: warning about expected MySQL error 1265"
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);
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# #############################################################################
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# Issue 1315130
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# Failed to detect child tables in other schema, and falsely identified
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# child tables in own schema
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# #############################################################################
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$sb->load_file('master', "$sample/bug-1315130_cleanup.sql");
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$sb->load_file('master', "$sample/bug-1315130.sql");
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$output = output(
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sub { pt_online_schema_change::main(@args, "$master_dsn,D=bug_1315130_a,t=parent_table",
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'--dry-run',
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'--alter', "add column c varchar(16)",
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'--alter-foreign-keys-method', 'auto'),
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},
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);
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like(
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$output,
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qr/Child tables:\s*`bug_1315130_a`\.`child_table_in_same_schema` \(approx\. 1 rows\)\s*`bug_1315130_b`\.`child_table_in_second_schema` \(approx\. 1 rows\)[^`]*?Will/s,
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"Identify child tables in other schemas and ignore child tables from same schema referencing same named parent in other schema.",
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);
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# clear databases with their foreign keys
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$sb->load_file('master', "$sample/bug-1315130_cleanup.sql");
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# #############################################################################
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# Issue 1340728
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# fails when no index is returned in EXPLAIN, even though --nocheck-plan is set
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# (happens on HASH indexes)
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# #############################################################################
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$sb->load_file('master', "$sample/bug-1340728_cleanup.sql");
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$sb->load_file('master', "$sample/bug-1340728.sql");
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# insert a few thousand rows (else test isn't valid)
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# will make a big string to do an extended insert because it's much faster
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my $big_insert = 'INSERT INTO bug_1340728.test VALUES ';
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my $rows = 4999;
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for (my $i = 0; $i < $rows; $i++) {
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$big_insert .= "(NULL, 'xx'),";
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}
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$big_insert .= "(NULL, 'xx')";
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$master_dbh->do($big_insert);
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$output = output(
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sub { pt_online_schema_change::main(@args, "$master_dsn,D=bug_1340728,t=test",
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'--execute',
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'--alter', "ADD COLUMN c INT",
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'--nocheck-plan',
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),
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},
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);
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like(
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$output,
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qr/Successfully altered/s,
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"--nocheck-plan ignores plans without index",
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);
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# clear databases
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$sb->load_file('master', "$sample/bug-1340728_cleanup.sql");
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# #############################################################################
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# Issue LP 1446928
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# Avoids an error trapping loop when --alter option contains an invalid
|
|
# statement.
|
|
# If this test fails it might lead to "segmentation fault" or "out of memory"
|
|
# #############################################################################
|
|
|
|
$output = output(
|
|
sub { pt_online_schema_change::main(@args, "$master_dsn,D=sakila,t=actor",
|
|
'--execute',
|
|
'--alter-foreign-keys-method=drop_swap',
|
|
'--alter', "GIBBERISH",
|
|
'--nocheck-plan',
|
|
),
|
|
},
|
|
stderr => 1,
|
|
);
|
|
|
|
like(
|
|
$output,
|
|
qr/Error altering new table/s,
|
|
"Bug 1446928: Avoid error trapping loop when --alter is invalid",
|
|
);
|
|
|
|
# ############################################################################
|
|
# https://bugs.launchpad.net/percona-toolkit/+bug/1506748
|
|
# test that setting sql_mode via --set-vars works
|
|
# ############################################################################
|
|
|
|
# first we create a table with a valid default date
|
|
$sb->load_file('master', "$sample/sql_mode_issue_lp1506748.sql");
|
|
|
|
my $modes = new SqlModes($master_dbh, global =>1);
|
|
|
|
# We clear all modes. In this state, setting an invalid default date generates
|
|
# an error.
|
|
$modes->set_mode_string('');
|
|
|
|
# Now we run the command, but set sql_mode to allow invalid dates for
|
|
# the session.
|
|
# While we're at it, test that we can set more than one mode by double escaping
|
|
# the commas. (must be explained in docs)
|
|
($output, $exit_status) = full_output(
|
|
sub { pt_online_schema_change::main(@args,
|
|
"$master_dsn,D=test,t=lp1506748",
|
|
"--execute",
|
|
"--set-vars", "sql_mode=\'STRICT_ALL_TABLES\\,ALLOW_INVALID_DATES\'",
|
|
"--alter", "MODIFY COLUMN birthday DATE DEFAULT '1970-02-31'",
|
|
) },
|
|
);
|
|
|
|
ok ((!$exit_status && $output =~ /success/i) , "--set-vars sql_mode=\\'a\\\\,b\\' works" )
|
|
or diag("[$output][$exit_status]");
|
|
|
|
$master_dbh->do("drop database test");
|
|
$modes->restore_original_modes();
|
|
|
|
# ############################################################################
|
|
# https://bugs.launchpad.net/percona-toolkit/+bug/1526105
|
|
# Not necessarily a bug, but more of an enhancement.
|
|
# ############################################################################
|
|
|
|
# We will run pt-osc more than 10 times using --no-drop-old-table and expect
|
|
# no errors.
|
|
|
|
$sb->load_file('master', "$sample/simple_test_table.sql");
|
|
|
|
my $errors = 0;
|
|
my $successes = 0;
|
|
for (1..12) {
|
|
($output, $exit_status) = full_output(
|
|
sub { pt_online_schema_change::main(@args,
|
|
"$master_dsn,D=test,t=test",
|
|
"--execute",
|
|
"--no-drop-old-table",
|
|
"--alter", "ENGINE=InnoDB",
|
|
) },
|
|
);
|
|
if ($exit_status) {
|
|
$errors++;
|
|
}
|
|
if ( $output =~ /Successfully/i ) {
|
|
$successes++;
|
|
}
|
|
}
|
|
|
|
ok ( (!$errors && $successes == 12), "Issue #1526105 - no-drop-old-table fails after 10 tries" );
|
|
|
|
$master_dbh->do("DROP DATABASE IF EXISTS test");
|
|
|
|
$sb->load_file('master', "$sample/bug-1613915.sql");
|
|
$output = output(
|
|
sub { pt_online_schema_change::main(@args, "$master_dsn,D=test,t=o1",
|
|
'--execute',
|
|
'--alter', "ADD COLUMN c INT",
|
|
'--chunk-size', '10',
|
|
),
|
|
},
|
|
);
|
|
|
|
like(
|
|
$output,
|
|
qr/Successfully altered/s,
|
|
"bug-1613915 enum field in primary key",
|
|
);
|
|
|
|
$rows = $master_dbh->selectrow_arrayref(
|
|
"SELECT COUNT(*) FROM test.o1");
|
|
is(
|
|
$rows->[0],
|
|
100,
|
|
"bug-1613915 correct rows count"
|
|
) or diag(Dumper($rows));
|
|
|
|
$master_dbh->do("DROP DATABASE IF EXISTS test");
|
|
|
|
|
|
|
|
|
|
|
|
$sb->load_file('master', "$sample/bug-1613915.sql");
|
|
$output = output(
|
|
sub { pt_online_schema_change::main(@args, "$master_dsn,D=test,t=o1",
|
|
'--execute',
|
|
'--alter', "ADD COLUMN c INT COMMENT 'change \"plus\" more than one word'",
|
|
'--chunk-size', '10', '--no-check-alter',
|
|
),
|
|
},
|
|
);
|
|
|
|
like(
|
|
$output,
|
|
qr/Successfully altered/s,
|
|
"recognize comments",
|
|
);
|
|
|
|
$rows = $master_dbh->selectrow_arrayref(
|
|
"SELECT COUNT(*) FROM test.o1");
|
|
is(
|
|
$rows->[0],
|
|
100,
|
|
"recognize comments fields count"
|
|
) or diag(Dumper($rows));
|
|
|
|
$rows = $master_dbh->selectrow_arrayref("SHOW CREATE TABLE test.o1");
|
|
like(
|
|
$rows->[1],
|
|
qr/COMMENT 'change "plus" more than one word'/,
|
|
"recognize comments",
|
|
);
|
|
|
|
$master_dbh->do("DROP DATABASE IF EXISTS test");
|
|
|
|
# Test for --skip-check-slave-lag
|
|
# Use the same files from previous test because for this test we are going to
|
|
# run a nonop so, any file will work
|
|
$master_dbh->do("DROP DATABASE IF EXISTS test");
|
|
|
|
$sb->load_file('master', "$sample/bug-1613915.sql");
|
|
$output = output(
|
|
sub { pt_online_schema_change::main(@args, "$master_dsn,D=test,t=o1",
|
|
'--execute',
|
|
'--alter', "ENGINE=INNODB",
|
|
'--skip-check-slave-lag', "h=127.0.0.1,P=".$sb->port_for('slave1'),
|
|
),
|
|
},
|
|
);
|
|
|
|
my $skipping_str = "Skipping.*".$sb->port_for('slave1');
|
|
like(
|
|
$output,
|
|
qr/$skipping_str/s,
|
|
"--skip-check-slave-lag",
|
|
);
|
|
|
|
# Use the same data than the previous test
|
|
$master_dbh->do("DROP DATABASE IF EXISTS test");
|
|
|
|
$sb->load_file('master', "$sample/bug-1613915.sql");
|
|
$output = output(
|
|
sub { pt_online_schema_change::main(@args, "$master_dsn,D=test,t=o1",
|
|
'--execute',
|
|
'--alter', "ADD COLUMN c INT",
|
|
'--chunk-size', '10',
|
|
'--skip-check-slave-lag', "h=127.0.0.1,P=".$sb->port_for('slave1'),
|
|
),
|
|
},
|
|
);
|
|
|
|
# #############################################################################
|
|
# Done.
|
|
# #############################################################################
|
|
$sb->wipe_clean($master_dbh);
|
|
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
|
|
done_testing;
|