Merge 'connected_schema_leak' into 'trunk'

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

diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index c11dbab..2939f4a 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -2373,10 +2373,19 @@ sub deployment_statements {
     data => $schema,
   );
 
-  my $ret = $tr->translate
-    or $self->throw_exception( 'Unable to produce deployment statements: ' . $tr->error);
+  my @ret;
+  my $wa = wantarray;
+  if ($wa) {
+    @ret = $tr->translate;
+  }
+  else {
+    $ret[0] = $tr->translate;
+  }
 
-  return $ret;
+  $self->throw_exception( 'Unable to produce deployment statements: ' . $tr->error)
+    unless (@ret && defined $ret[0]);
+
+  return $wa ? @ret : $ret[0];
 }
 
 sub deploy {
@@ -2501,6 +2510,34 @@ sub lag_behind_master {
   sub _sqlt_minimum_version { $minimum_sqlt_version };
 }
 
+=head2 relname_to_table_alias
+
+=over 4
+
+=item Arguments: $relname, $join_count
+
+=back
+
+L<DBIx::Class> uses L<DBIx::Class::Relationship> names as table aliases in
+queries.
+
+This hook is to allow specific L<DBIx::Class::Storage> drivers to change the
+way these aliases are named.
+
+The default behavior is C<"$relname_$join_count" if $join_count > 1>, otherwise
+C<"$relname">.
+
+=cut
+
+sub relname_to_table_alias {
+  my ($self, $relname, $join_count) = @_;
+
+  my $alias = ($join_count && $join_count > 1 ?
+    join('_', $relname, $join_count) : $relname);
+
+  return $alias;
+}
+
 sub DESTROY {
   my $self = shift;