From e640448474000a999590abbc8caa0ac60f8a3c87 Mon Sep 17 00:00:00 2001
From: NathanPB <nathan.pbombana@gmail.com>
Date: Tue, 18 Feb 2020 00:00:53 -0300
Subject: [PATCH] Added warnings when omitted columnKeys are found in a column
 reorderable DataTable

---
 src/components/datatable/DataTable.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/components/datatable/DataTable.js b/src/components/datatable/DataTable.js
index 3b85d15c42..79c7191fa8 100644
--- a/src/components/datatable/DataTable.js
+++ b/src/components/datatable/DataTable.js
@@ -230,6 +230,10 @@ export class DataTable extends Component {
         this.onColumnDrop = this.onColumnDrop.bind(this);
         this.onVirtualScroll = this.onVirtualScroll.bind(this);
         this.frozenSelectionMode = null;
+
+        if (this.props.reorderableColumns && !this.props.children.every(it => it.columnKey)) {
+            console.warn('Omitting columnKey property of Column child in a column reorderable DataTable may imply in duplication of the Columns if they have the same field.')
+        }
     }
 
     getFirst() {