From f0ca97d30968d2be060d00aff72b67aaf8ab01cf Mon Sep 17 00:00:00 2001
From: Sungyun Hur <lambert@daangn.com>
Date: Wed, 15 Dec 2021 02:14:04 +0900
Subject: [PATCH] doc/indexes: add storage key section (#2218)

---
 doc/md/schema-indexes.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/doc/md/schema-indexes.md b/doc/md/schema-indexes.md
index 8a85ff65d..6f3475150 100755
--- a/doc/md/schema-indexes.md
+++ b/doc/md/schema-indexes.md
@@ -212,3 +212,16 @@ CREATE INDEX `users_description` ON `users`(`description`(128))
 CREATE INDEX `users_c1_c2_c3` ON `users`(`c1`(100), `c2`(200), `c3`)
 ```
 
+## Storage Key
+
+Like Fields, custom index name can be configured using the `StorageKey` method.
+It's mapped to a index name in SQL dialects.
+
+```go
+func (User) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("field1", "field2").
+			StorageKey("custom_index"),
+	}
+}
+```