From 1e29294230ae6d4927a5f90c4add73cda677e88b Mon Sep 17 00:00:00 2001
From: Eduardo <279828+sezaru@users.noreply.github.com>
Date: Tue, 31 Oct 2023 17:38:08 -0300
Subject: [PATCH] fix: Fix missing nulls_distinct field in old snapshots

Old snapshots can come without the `nulls_distinct` field, because of
that we return null if the key doesn't exists
---
 lib/migration_generator/operation.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/migration_generator/operation.ex b/lib/migration_generator/operation.ex
index edec453c..1eb0f03c 100644
--- a/lib/migration_generator/operation.ex
+++ b/lib/migration_generator/operation.ex
@@ -944,7 +944,7 @@ defmodule AshPostgres.MigrationGenerator.Operation do
           option(:name, index.name),
           option(:unique, index.unique),
           option(:concurrently, index.concurrently),
-          non_nullable_option(:nulls_distinct, index.nulls_distinct),
+          non_nullable_option(:nulls_distinct, index[:nulls_distinct]),
           option(:using, index.using),
           option(:prefix, index.prefix),
           option(:where, index.where),