disallow undef in versions

[dbsrgits/DBIx-Class-DeploymentHandler.git] / lib / DBIx / Class / DeploymentHandler / VersionHandler / DatabaseToSchemaVersions.pm

diff --git a/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm b/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm
index 1762553..de34af0 100644 (file)
--- a/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm
+++ b/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm
@@ -21,8 +21,8 @@ has database_version => (
 
 has to_version => ( # configuration
   is         => 'ro',
-  lazy_build => 1, # builder comes from another role...
-                   # which is... probably not how we want it
+  isa        => 'Str',
+  lazy_build => 1,
 );
 
 sub _build_to_version { $_[0]->schema_version }