From 29e4717fe3346b61cb3e59cbf3f4bd8271f226f3 Mon Sep 17 00:00:00 2001
From: Wei Zhu <yesmeck@gmail.com>
Date: Fri, 30 Dec 2016 13:50:11 +0800
Subject: [PATCH] Fallback table record key to data index. (#4397)

In last PR #4185, we removed data index from record key, it
leads to inconformity behavior.
---
 components/table/Table.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/table/Table.tsx b/components/table/Table.tsx
index 4c69b6e8ab..41deb248a8 100755
--- a/components/table/Table.tsx
+++ b/components/table/Table.tsx
@@ -560,7 +560,7 @@ export default class Table<T> extends React.Component<TableProps<T>, any> {
     warning(recordKey !== undefined,
       'Each record in table should have a unique `key` prop, or set `rowKey` to an unique primary key.'
     );
-    return recordKey;
+    return recordKey === undefined ? index : recordKey;
   }
 
   renderRowSelection() {