diff of 63beb4e54cb74f594bba43293bb65f057fd0493f

63beb4e54cb74f594bba43293bb65f057fd0493f
diff --git a/resources/sql/post-fns.sql b/resources/sql/post-fns.sql
index 3eec83b..a0be523 100644
--- a/resources/sql/post-fns.sql
+++ b/resources/sql/post-fns.sql
@@ -173,7 +173,7 @@ set hidden = $2
 where id = $1;
 
 -- name: link-previously
-INSERT INTO blog.Previously_Link VALUES ($1, $2);
+INSERT INTO blog.Previously_Link VALUES ($1, $2) ON CONFLICT DO NOTHING;
 
 -- name: search-posts
 -- returns: :array-hash