From 3ebb1e5ded0246629889fceaae93725aa6698de5 Mon Sep 17 00:00:00 2001
From: Keke Yi <40977455+yikeke@users.noreply.github.com>
Date: Mon, 22 Jun 2020 12:51:15 +0800
Subject: [PATCH] cherry pick #2978 to release-3.1

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
---
 tidb-lightning/tidb-lightning-tidb-backend.md | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/tidb-lightning/tidb-lightning-tidb-backend.md b/tidb-lightning/tidb-lightning-tidb-backend.md
index e6bed893e882a..ce435788f35f5 100644
--- a/tidb-lightning/tidb-lightning-tidb-backend.md
+++ b/tidb-lightning/tidb-lightning-tidb-backend.md
@@ -227,6 +227,29 @@ password = ""
 #sql-mode = ""
 ```
 
+</td></tr>
+<tr><td>
+
+```toml
+# [[route-rules]]
+# Table routes
+# pattern-schema = "shard_db_*"
+# pattern-table = "shard_table_*"
+# target-schema = "shard_db"
+# target-table = "shard_table"
+```
+
+</td><td>
+
+```toml
+# [[routes]]
+# Table routes
+# pattern-schema = "shard_db_*"
+# pattern-table = "shard_table_*"
+# target-schema = "shard_db"
+# target-table = "shard_table"
+```
+
 </td></tr>
 </tbody>
 </table>