Add schema_catalog::base_version() for completeness

2 files changed, 25 insertions, 0 deletions

diff --git a/odb/schema-catalog.cxx b/odb/schema-catalog.cxx
index bec13a7..7205ff6 100644
--- a/odb/schema-catalog.cxx
+++ b/odb/schema-catalog.cxx
@@ -283,6 +283,20 @@ namespace odb
   }
 
   schema_version schema_catalog::
+  base_version (database_id id, const string& name)
+  {
+    const schema_catalog_impl& c (*schema_catalog_init::catalog);
+    schema_map::const_iterator i (c.schema.find (key (id, name)));
+
+    if (i == c.schema.end ())
+      throw unknown_schema (name);
+
+    const version_map& vm (i->second.migrate);
+    assert (!vm.empty ());
+    return vm.begin ()->first;
+  }
+
+  schema_version schema_catalog::
   current_version (database_id id, const string& name)
   {
     const schema_catalog_impl& c (*schema_catalog_init::catalog);
diff --git a/odb/schema-catalog.hxx b/odb/schema-catalog.hxx
index 953f099..8b06a79 100644
--- a/odb/schema-catalog.hxx
+++ b/odb/schema-catalog.hxx
@@ -168,6 +168,17 @@ namespace odb
     // Schema version information.
     //
   public:
+    // Return the base model version.
+    //
+    static schema_version
+    base_version (const database& db, const std::string& name = "")
+    {
+      return base_version (db.id (), name);
+    }
+
+    static schema_version
+    base_version (database_id, const std::string& name = "");
+
     // Return the current model version.
     //
     static schema_version