From df9a003cf78aae319029e1872c2772467ccea722 Mon Sep 17 00:00:00 2001
From: sundy-li <543950155@qq.com>
Date: Thu, 1 Oct 2020 19:00:03 +0800
Subject: [PATCH] add docs

---
 docs/en/engines/table-engines/integrations/embedded-rocksdb.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/en/engines/table-engines/integrations/embedded-rocksdb.md b/docs/en/engines/table-engines/integrations/embedded-rocksdb.md
index 0bd4123c0cf..88a95ae7de7 100644
--- a/docs/en/engines/table-engines/integrations/embedded-rocksdb.md
+++ b/docs/en/engines/table-engines/integrations/embedded-rocksdb.md
@@ -42,3 +42,4 @@ PRIMARY KEY key
 
 - `primary key` must be specified, only support one primary key. The primary key will serializeBinary as rocksdb key.
 - Columns other than the primary key will be serializeBinary as rocksdb value in corresponding order.
+- Queries with key `equals` or `in` filtering will be optimized to multi keys look up from rocksdb.