From 688df55642d2a57d6a7ef4e0f728fac0151984de Mon Sep 17 00:00:00 2001
From: Dan Harrin <git@danharrin.com>
Date: Sat, 6 Mar 2021 01:31:57 +0000
Subject: [PATCH] Add primaryColumn to default relation manager

---
 src/Resources/RelationManager.php | 2 +-
 stubs/RelationManager.stub        | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Resources/RelationManager.php b/src/Resources/RelationManager.php
index 839f139e5e4..fea7e6afaa7 100644
--- a/src/Resources/RelationManager.php
+++ b/src/Resources/RelationManager.php
@@ -70,7 +70,7 @@ class RelationManager extends Component
 
     public static function getPrimaryColumn()
     {
-        return property_exists(static::class, 'primaryColumn') ?
+        return property_exists(static::class, 'primaryColumn') && static::$primaryColumn !== '' ?
             static::$primaryColumn :
             null;
     }
diff --git a/stubs/RelationManager.stub b/stubs/RelationManager.stub
index 948354a4b3a..a4d768c9d7f 100644
--- a/stubs/RelationManager.stub
+++ b/stubs/RelationManager.stub
@@ -11,6 +11,8 @@ use Filament\Resources\Tables\Table;
 
 class {{ managerClass }} extends RelationManager
 {
+    public static $primaryColumn = '';
+
     public static $relationship = '{{ relationship }}';
 
     public static function form(Form $form)