PT-1528 [WIP] Proposed solution

bin/pt-online-schema-change

@@ -8387,6 +8387,7 @@ package pt_online_schema_change;
 
 use strict;
 use warnings FATAL => 'all';
+use utf8;
 use English qw(-no_match_vars);
 
 use Percona::Toolkit;
@@ -8474,7 +8475,7 @@ sub main {
    @drop_trigger_sqls    = ();
    @triggers_not_dropped = ();
    $dont_interrupt_now   = 0;
-   %ignore_code = (1592 => 1, 1062 => 1);
+   %ignore_code = (1592 => 1, 1062 => 1, 1300 => 1);
 
    my %stats = (
       INSERT => 0,

t/pt-online-schema-change/pt-1528.t

@@ -0,0 +1,105 @@
+#!/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 threads;
+use threads::shared;
+use Thread::Semaphore;
+
+use English qw(-no_match_vars);
+use Test::More;
+
+use Data::Dumper;
+use PerconaTest;
+use Sandbox;
+use SqlModes;
+use File::Temp qw/ tempdir /;
+
+if ($sandbox_version lt '5.7') {
+    plan skip_all => 'This test needs MySQL 5.7+';
+} else {
+    plan tests => 5;
+}    
+
+require "$trunk/bin/pt-online-schema-change";
+
+my $dp = new DSNParser(opts=>$dsn_opts);
+my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
+
+my $dbh = $sb->get_dbh_for('master');
+my $dsn = $sb->dsn_for("master");
+
+# The sandbox servers run with lock_wait_timeout=3 and it's not dynamic
+# so we need to specify --set-vars innodb_lock_wait_timeout=3 else the
+# tool will die.
+my @args = (qw(--set-vars innodb_lock_wait_timeout=3));
+my $output;
+my $exit_status;
+
+$sb->load_file('master', "t/pt-online-schema-change/samples/pt-1574.sql");
+
+# TODO WRITE A PROPER TEST
+# It should: 
+# 1. import the data from the jira ticket
+# 2. run pt-osc with --no-drop-old table
+# 3. compare old and new table. they should have the same info 
+#
+die('incomplete test');
+
+# ($output, $exit_status) = full_output(
+#     sub { pt_online_schema_change::main(@args, "$dsn,D=test,t=t1",
+#             '--execute', "--chunk-index", "idx_id", "--chunk-size", "1", 
+#             "--nocheck-plan", '--alter', "engine=innodb",
+#         ),
+#     },
+#     stderr => 1,
+# );
+#
+# my $sql_mode = $dbh->selectcol_arrayref('SELECT @@sql_mode');
+# 
+# isnt(
+#     $exit_status,
+#     0,
+#     "PT-1574, PT-1590 There is no unique index exit status",
+# );
+# 
+# like(
+#     $output,
+#     qr/at least one UNIQUE and NOT NULLABLE index/s,
+#     "PT-1574, PT-1590 Message you need an unique index.",
+# );
+# 
+# ($output, $exit_status) = full_output(
+#     sub { pt_online_schema_change::main(@args, "$dsn,D=test,t=t2",
+#             '--execute', "--chunk-index", "idx_id", "--chunk-size", "1", 
+#             "--nocheck-plan", '--alter', "engine=innodb",
+#         ),
+#     },
+#     stderr => 1,
+# );
+# diag($output);
+# 
+# is(
+#     $exit_status,
+#     0,
+#     "PT-1574, PT-1590 Exit status 0 with null fields, got $exit_status",
+# );
+# 
+# like(
+#     $output,
+#     qr/Successfully altered `test`.`t2`/s,
+#     "PT-1574, PT-1590 Successfully altered `test`.`t2`",
+# );
+
+# #############################################################################
+# Done.
+# #############################################################################
+$sb->wipe_clean($dbh);
+ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
+done_testing;