From c1af31e262f791f7a4d8fedf692f32e86880764c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 13 Jun 2026 14:01:39 +0000
Subject: [PATCH] Coerce FieldOrderedValuesTest tests for SQL Server NULL
 uniqueness

---
 test/cases/coerced_tests.rb | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/test/cases/coerced_tests.rb b/test/cases/coerced_tests.rb
index 348856828..74fea7df4 100644
--- a/test/cases/coerced_tests.rb
+++ b/test/cases/coerced_tests.rb
@@ -2458,6 +2458,39 @@ def test_in_order_of_with_array_values_with_nil_coerced
     Book.where(author_id: nil, name: nil).delete_all
     Book.lease_connection.add_index(:books, [:author_id, :name], unique: true)
   end
+
+  # Need to remove index as SQL Server considers NULLs on a unique-index to be equal unlike PostgreSQL/MySQL/SQLite.
+  coerce_tests! :test_in_order_of_with_out_of_bound_integer_does_not_match_nulls
+  def test_in_order_of_with_out_of_bound_integer_does_not_match_nulls_coerced
+    Book.lease_connection.remove_index(:books, column: [:author_id, :name])
+
+    original_test_in_order_of_with_out_of_bound_integer_does_not_match_nulls
+  ensure
+    Book.where(author_id: nil, name: nil).delete_all
+    Book.lease_connection.add_index(:books, [:author_id, :name], unique: true)
+  end
+
+  # Need to remove index as SQL Server considers NULLs on a unique-index to be equal unlike PostgreSQL/MySQL/SQLite.
+  coerce_tests! :test_in_order_of_with_only_unrepresentable_values_does_not_build_empty_case
+  def test_in_order_of_with_only_unrepresentable_values_does_not_build_empty_case_coerced
+    Book.lease_connection.remove_index(:books, column: [:author_id, :name])
+
+    original_test_in_order_of_with_only_unrepresentable_values_does_not_build_empty_case
+  ensure
+    Book.where(author_id: nil, name: nil).delete_all
+    Book.lease_connection.add_index(:books, [:author_id, :name], unique: true)
+  end
+
+  # Need to remove index as SQL Server considers NULLs on a unique-index to be equal unlike PostgreSQL/MySQL/SQLite.
+  coerce_tests! :test_in_order_of_with_unknown_enum_key_does_not_match_nulls
+  def test_in_order_of_with_unknown_enum_key_does_not_match_nulls_coerced
+    Book.lease_connection.remove_index(:books, column: [:author_id, :name])
+
+    original_test_in_order_of_with_unknown_enum_key_does_not_match_nulls
+  ensure
+    Book.where(author_id: nil, name: nil).delete_all
+    Book.lease_connection.add_index(:books, [:author_id, :name], unique: true)
+  end
 end
 
 class QueryLogsTest < ActiveRecord::TestCase