diff --git a/src/calibre/db/legacy.py b/src/calibre/db/legacy.py
index 5f04dd18b2..4c825247e9 100644
--- a/src/calibre/db/legacy.py
+++ b/src/calibre/db/legacy.py
@@ -73,6 +73,14 @@ class LibraryDatabase(object):
             setattr(self, func, partial(self.field_id_map, field))
         self.all_tags = lambda : list(self.all_tag_names())
 
+        for func in (
+            'standard_field_keys', 'custom_field_keys', 'all_field_keys',
+            'searchable_fields', 'sortable_field_keys',
+            'search_term_to_field_key', 'custom_field_metadata',
+            'all_metadata'):
+            setattr(self, func, getattr(self.field_metadata, func))
+        self.metadata_for_field = self.field_metadata.get
+
         self.last_update_check = self.last_modified()
 
     def close(self):
@@ -273,6 +281,11 @@ class LibraryDatabase(object):
         return list(self.new_api.get_ids_for_custom_book_data(name))
     # }}}
 
+    def get_field(self, index, key, default=None, index_is_id=False):
+        book_id = index if index_is_id else self.data.index_to_id(index)
+        mi = self.new_api.get_metadata(book_id, get_cover=key == 'cover')
+        return mi.get(key, default)
+
     # Private interface {{{
 
     def __iter__(self):
diff --git a/src/calibre/db/tests/legacy.py b/src/calibre/db/tests/legacy.py
index b7fd99378a..6413dc0d8f 100644
--- a/src/calibre/db/tests/legacy.py
+++ b/src/calibre/db/tests/legacy.py
@@ -149,7 +149,15 @@ class LegacyTest(BaseTest):
             'all_publishers':[()],
             'all_titles':[()],
             'all_series':[()],
+            'standard_field_keys':[()],
+            'all_field_keys':[()],
+            'searchable_fields':[()],
+            'search_term_to_field_key':[('author',), ('tag',)],
+            'metadata_for_field':[('title',), ('tags',)],
+            'sortable_field_keys':[()],
+            'custom_field_keys':[(True,), (False,)],
             'get_usage_count_by_id':[('authors',), ('tags',), ('series',), ('publisher',), ('#tags',), ('languages',)],
+            'get_field':[(1, 'title'), (2, 'tags'), (0, 'rating'), (1, 'authors'), (2, 'series'), (1, '#tags')],
         }.iteritems():
             for a in args:
                 fmt = lambda x: x
diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index 0540e8ede4..bd3f155c9d 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -776,10 +776,10 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         return self.field_metadata.sortable_field_keys()
 
     def searchable_fields(self):
-        return self.field_metadata.searchable_field_keys()
+        return self.field_metadata.searchable_fields()
 
     def search_term_to_field_key(self, term):
-        return self.field_metadata.search_term_to_key(term)
+        return self.field_metadata.search_term_to_field_key(term)
 
     def custom_field_metadata(self, include_composites=True):
         return self.field_metadata.custom_field_metadata(include_composites)