From 10fe056242781b880a0e88ed5e215e029cf91c06 Mon Sep 17 00:00:00 2001
From: Carlos Salguero <carlos.salguero@percona.com>
Date: Thu, 19 Sep 2019 14:29:55 -0300
Subject: [PATCH] WIP

---
 bin/pt-online-schema-change                    | 6 ++++++
 t/pt-online-schema-change/alter_active_table.t | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/bin/pt-online-schema-change b/bin/pt-online-schema-change
index 12af840f..d9fbda38 100755
--- a/bin/pt-online-schema-change
+++ b/bin/pt-online-schema-change
@@ -6697,10 +6697,16 @@ sub index_length {
    );
    my $sth = $cxn->dbh()->prepare($sql);
    PTDEBUG && _d($sth->{Statement}, 'params:', @$vals);
+   warn "====================================================================================================";
+   _d($sth->{Statement}, 'params:', @$vals);
+   warn "====================================================================================================";
    $sth->execute(@$vals);
    my $row = $sth->fetchrow_hashref();
    $sth->finish();
    PTDEBUG && _d('Range scan:', Dumper($row));
+   warn "====================================================================================================";
+   _d('Range scan:', Dumper($row));
+   warn "====================================================================================================";
    return $row->{key_len}, $row->{key};
 }
 
diff --git a/t/pt-online-schema-change/alter_active_table.t b/t/pt-online-schema-change/alter_active_table.t
index 1eaaf460..297acd58 100644
--- a/t/pt-online-schema-change/alter_active_table.t
+++ b/t/pt-online-schema-change/alter_active_table.t
@@ -170,6 +170,7 @@ $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();
+sleep(2);
 
 # Start inserting, updating, and deleting rows at random.
 start_query_table(qw(pt_osc t id));
@@ -179,7 +180,7 @@ start_query_table(qw(pt_osc t id));
    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)) },
+      qw(--print --execute --chunk-size 100 --alter ENGINE=InnoDB --no-check-plan)) },
    stderr => 1,
 );
 
@@ -234,6 +235,7 @@ start_query_table(qw(pt_osc t id));
    ) },
    stderr => 1,
 );
+diag($output);
 
 # Stop changing the table's data.
 stop_query_table();