fix: ensure field names defaults to the field of the constraint

ash-project · Feb 17, 2025 · 72170bd · 72170bd
1 parent f66c743
commit 72170bd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/data_layer.ex b/lib/data_layer.ex
@@ -2400,7 +2400,7 @@ defmodule AshPostgres.DataLayer do
               "#{table}_#{identity.name}_index" == constraint
             end)
 
-          field_names = if identity, do: identity.field_names, else: [field]
+          field_names = if identity, do: identity.field_names || [field], else: [field]
 
           Enum.map(field_names, fn field_name ->
             Ash.Error.Changes.InvalidAttribute.exception(