From b2cb95940ffc33e6d12c9b574737ae57b7b2ab6f Mon Sep 17 00:00:00 2001
From: Daniel Nichter <daniel@percona.com>
Date: Mon, 8 Oct 2012 12:53:54 -0600
Subject: [PATCH] Merge  partial-fix-1063912-ptc-pxc-slaves/ -r403..405

---
 bin/pt-table-checksum | 10 +++++++++-
 lib/Cxn.pm            |  4 +++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/bin/pt-table-checksum b/bin/pt-table-checksum
index c6a26d7a..4ee45a8c 100755
--- a/bin/pt-table-checksum
+++ b/bin/pt-table-checksum
@@ -3320,7 +3320,9 @@ sub is_cluster_node {
    PTDEBUG && _d($sql);
    my $row = $self->{dbh}->selectrow_arrayref($sql);
    PTDEBUG && _d(defined $row ? @$row : 'undef');
-   $self->{is_cluster_node} = $row && $row->[0] ? 1 : 0;
+   $self->{is_cluster_node} = $row && $row->[1]
+                            ? ($row->[1] eq 'ON' || $row->[1] eq '1')
+                            : 0;
   
    return $self->{is_cluster_node};
 }
@@ -11313,6 +11315,12 @@ nodes and regular replicas because nodes are not regular replicas so they
 cannot be detected automatically.  The lag check (see L<"REPLICA CHECKS">)
 is not performed for cluster nodes.
 
+Mixed replication setups are not currently supported.  For example, the tool
+does not work completely if the master host is replicating to a cluster,
+or if the cluster is replicating to another cluster.  In short, the only
+supported setup is a single cluster with nodes optionally having traditional
+replication slaves.
+
 =back
 
 =head1 BUGS
diff --git a/lib/Cxn.pm b/lib/Cxn.pm
index becaeb29..5efca626 100644
--- a/lib/Cxn.pm
+++ b/lib/Cxn.pm
@@ -203,7 +203,9 @@ sub is_cluster_node {
    PTDEBUG && _d($sql);
    my $row = $self->{dbh}->selectrow_arrayref($sql);
    PTDEBUG && _d(defined $row ? @$row : 'undef');
-   $self->{is_cluster_node} = $row && $row->[0] ? 1 : 0;
+   $self->{is_cluster_node} = $row && $row->[1]
+                            ? ($row->[1] eq 'ON' || $row->[1] eq '1')
+                            : 0;
   
    return $self->{is_cluster_node};
 }