1 files changed, 16 insertions, 1 deletions
diff --git a/archivist/peewee_ext.py b/archivist/peewee_ext.py
index 40fe5e7..ff03861 100644
--- a/archivist/peewee_ext.py
+++ b/archivist/peewee_ext.py
@@ -1,4 +1,4 @@
-from peewee import Field
+from peewee import Field, SQL
 
 from itertools import starmap
 from functools import reduce
@@ -42,3 +42,18 @@ class EnumField(Field):
     def python_value(self, value):
         return value if value is None else self._enum_value(value)
 
+class SQLIndex(SQL):
+    """Ugly hack to allow arbitrary index creation."""
+    def __init__(self, field, sql):
+        self.field = field
+        super().__init__(sql)
+
+    def clone_base(self):
+        return SQLWithField(field, self.value)
+
+    @property
+    def db_column(self):
+        return self.field
+
+    def as_entity(self):
+        return self