Merge lp:~percona-toolkit-dev/percona-toolkit/fix-1079341-pt-osc-skip-myisam-fk-checks into lp:percona-toolkit/2.1

[Brian Fraser]

[Daniel Nichter (daniel-nichter)]

review: Approve

=== modified file 'bin/pt-online-schema-change'
--- bin/pt-online-schema-change	2012-11-13 15:22:01 +0000
+++ bin/pt-online-schema-change	2012-11-16 14:31:29 +0000
@@ -9129,6 +9129,11 @@
       die "I need a $arg argument" unless $args{$arg};
    }
    my ($tbl, $cxn, $q) = @args{@required_args};
+
+   if ( lc($tbl->{tbl_struct}->{engine} || '') eq 'myisam' ) {
+      PTDEBUG && _d(q{MyISAM table, not looking for child tables});
+      return;
+   }
    
    PTDEBUG && _d('Finding child tables');