use min dbms_version for ::Replicated

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Storage / DBI / Replicated.pm

diff --git a/lib/DBIx/Class/Storage/DBI/Replicated.pm b/lib/DBIx/Class/Storage/DBI/Replicated.pm
index c21fe8a..37f13d7 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/Replicated.pm
+++ b/lib/DBIx/Class/Storage/DBI/Replicated.pm
@@ -306,7 +306,7 @@ has 'write_handler' => (
 
     backup
     is_datatype_numeric
-    can_insert_returning
+    _supports_insert_returning
     _count_select
     _subq_count_select
     _subq_update_delete
@@ -367,9 +367,11 @@ has 'write_handler' => (
     _dbh_sth
     _dbh_execute
     _prefetch_insert_auto_nextvals
+    _server_info_hash
   /],
 );
 
+
 has _master_connect_info_opts =>
   (is => 'rw', isa => HashRef, default => sub { {} });
 
@@ -1008,6 +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