1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index e990052e09..24482aa19a 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -945,6 +945,8 @@ module ActiveRecord
           case exception.message
           when /duplicate key value violates unique constraint/
             RecordNotUnique.new(message)
+          when /violates foreign key constraint/
+            InvalidForeignKey.new(message)
           else
             super
           end