From 5742175dfe2f94d7dd971d58b775277b99ac05f8 Mon Sep 17 00:00:00 2001
From: Frank Cizmich <frank.cizmich@percona.com>
Date: Tue, 31 Mar 2015 13:07:22 -0300
Subject: [PATCH] pt-table-sync avoid error when closing auxiliary db handles

---
 bin/pt-table-sync | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bin/pt-table-sync b/bin/pt-table-sync
index 36da0d28..588ddf34 100755
--- a/bin/pt-table-sync
+++ b/bin/pt-table-sync
@@ -11039,6 +11039,12 @@ sub disconnect {
          my $dbh = $host->{$thing};
          next unless $dbh;
          delete $dsn_for{$dbh};
+         # The following is for when misc_dbh loses
+         # connection due to timeout. Since it has nothing 
+         # to commit we avoid reporting an error.
+         if ( $thing eq 'misc_dbh' &&  !$dbh->ping() ) {
+           next; 
+         }
          $dbh->commit() unless $dbh->{AutoCommit};
          $dbh->disconnect();
          PTDEBUG && _d('Disconnected dbh', $dbh);