handle constraints with no name

diff --git a/lib/SQL/Translator/Object/Table.pm b/lib/SQL/Translator/Object/Table.pm
index 8686884..bb7aa13 100644 (file)
--- a/lib/SQL/Translator/Object/Table.pm
+++ b/lib/SQL/Translator/Object/Table.pm
@@ -85,8 +85,16 @@ class SQL::Translator::Object::Table extends SQL::Translator::Object {
 
     around add_column(Column $column) { $self->$orig($column->name, $column) }
     around add_index(Index $index) { $self->$orig($index->name, $index) }
-    around add_constraint(Constraint $constraint) { $self->$orig($constraint->name, $constraint) }
     around add_sequence(Sequence $sequence) { $self->$orig($sequence->name, $sequence) }
+    around add_constraint(Constraint $constraint) {
+        my $name = $constraint->name;
+        if ($name eq '') {
+            my $index = 0;
+            while ($self->exists_constraint('ANON' . $index)) { $index++ }
+            $name = 'ANON' . $index;
+        }
+        $self->$orig($name, $constraint)
+    }
 
     multi method primary_key(Any $) { grep /^PRIMARY KEY$/, $_->type for $self->get_constraints }
     multi method primary_key(Str $column) { $self->get_column($column)->is_primary_key(1) }