From 80c39daa85c9be9e66a2e3cf2c9e2a8e5a74a8d6 Mon Sep 17 00:00:00 2001
From: Yongjie Zhao <yongjie.zhao@gmail.com>
Date: Wed, 1 Sep 2021 06:52:10 +0100
Subject: [PATCH] fix: can't drop column when name overlap (#16482)

---
 .../controls/DndColumnSelectControl/utils/optionSelector.ts     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts b/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts
index 6000d57039..4d0d76a641 100644
--- a/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts
+++ b/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts
@@ -64,7 +64,7 @@ export class OptionSelector {
   }
 
   has(value: string): boolean {
-    return !!this.getValues()?.includes(value);
+    return ensureIsArray(this.getValues()).includes(value);
   }
 
   getValues(): string[] | string | undefined {