Index: scripts/ddl.sql
===================================================================
--- scripts/ddl.sql	(revision 23cd88b16adec9007a2c123f2550544aa2e7a4f1)
+++ scripts/ddl.sql	(revision c7f743ddc0794c113f37db50b6a5180c694d2da9)
@@ -96,5 +96,5 @@
  
     CONSTRAINT contributions_order_positive
-        CHECK (contribution_order > 0),
+        CHECK (contribution_order > 0)
 );