From: Rafael Kitover <rkitover@cpan.org>
Date: Thu, 8 Apr 2010 16:38:59 +0000 (+0000)
Subject: use min dbms_version for ::Replicated
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=fecb38cba68186d579ef96f89bf6ce557e55ab1c;p=dbsrgits%2FDBIx-Class-Historic.git

use min dbms_version for ::Replicated
---

diff --git a/lib/DBIx/Class/Storage/DBI/Replicated.pm b/lib/DBIx/Class/Storage/DBI/Replicated.pm
index afd8d5c..37f13d7 100644
--- a/lib/DBIx/Class/Storage/DBI/Replicated.pm
+++ b/lib/DBIx/Class/Storage/DBI/Replicated.pm
@@ -367,12 +367,6 @@ has 'write_handler' => (
     _dbh_sth
     _dbh_execute
     _prefetch_insert_auto_nextvals
-  /,
-
-  # TODO these need to be spread out to ALL servers not just the master
-  qw/
-    _get_server_version
-    _server_info
     _server_info_hash
   /],
 );
@@ -1016,6 +1010,33 @@ sub _ping {
   return min map $_->_ping, $self->all_storages;
 }
 
+sub _server_info {
+  my $self = shift;
+
+  if (not $self->_server_info_hash) {
+    no warnings 'numeric'; # in case dbms_version doesn't normalize
+
+    my @infos = 
+      map $_->[1],
+      sort { $a->[0] <=> $b->[0] } 
+      map [ (defined $_->{normalized_dbms_version} ? $_->{normalized_dbms_version}
+              : $_->{dbms_version}), $_ ],
+      map $_->_server_info, $self->all_storages;
+
+    my $min_version_info = $infos[0];
+
+    $self->_server_info_hash($min_version_info); # on master
+  }
+
+  return $self->_server_info_hash;
+}
+
+sub _get_server_version {
+  my $self = shift;
+
+  return $self->_server_info->{dbms_version};
+}
+
 =head1 GOTCHAS
 
 Due to the fact that replicants can lag behind a master, you must take care to