From f8e996ee8e332b0ef05660dc84736aae00a019a5 Mon Sep 17 00:00:00 2001
From: Leo <clinyong@gmail.com>
Date: Thu, 8 Feb 2018 10:26:03 +0800
Subject: [PATCH] fix type of column dataIndex (#9298)

---
 components/table/Table.tsx     | 2 +-
 components/table/interface.tsx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/table/Table.tsx b/components/table/Table.tsx
index f761ac0047fe..e1f8ff5a7221 100755
--- a/components/table/Table.tsx
+++ b/components/table/Table.tsx
@@ -696,7 +696,7 @@ export default class Table<T> extends React.Component<TableProps<T>, TableState<
     const { prefixCls, dropdownPrefixCls } = this.props;
     const { sortOrder } = this.state;
     return treeMap(columns, (originColumn, i) => {
-      let column = { ...originColumn };
+      let column: ColumnProps<T> = { ...originColumn };
       let key = this.getColumnKey(column, i) as string;
       let filterDropdown;
       let sortButton;
diff --git a/components/table/interface.tsx b/components/table/interface.tsx
index d059c7471115..3d3dbf354a86 100644
--- a/components/table/interface.tsx
+++ b/components/table/interface.tsx
@@ -9,7 +9,7 @@ export type ColumnFilterItem = { text: string; value: string, children?: ColumnF
 export interface ColumnProps<T> {
   title?: React.ReactNode;
   key?: React.Key;
-  dataIndex?: string;
+  dataIndex?: keyof T;
   render?: (text: any, record: T, index: number) => React.ReactNode;
   filters?: ColumnFilterItem[];
   onFilter?: (value: any, record: T) => boolean;