From b7223e74fffabce4b5a5d8d38095ecf8a2a8f8b6 Mon Sep 17 00:00:00 2001
From: alresvor <alresvor@gmail.com>
Date: Wed, 11 Nov 2020 02:27:13 +0800
Subject: [PATCH] cache converted name
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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BenchmarkToName-8     	  2322307	       521 ns/op	      88 B/op	       5 allocs/op
↓
BenchmarkToName-8     	19997366	        55.0 ns/op	       0 B/op	       0 allocs/op
---
 schema/naming.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/schema/naming.go b/schema/naming.go
index dbc71e04..e3b2104a 100644
--- a/schema/naming.go
+++ b/schema/naming.go
@@ -95,7 +95,7 @@ func toDBName(name string) string {
 	if name == "" {
 		return ""
 	} else if v, ok := smap.Load(name); ok {
-		return fmt.Sprint(v)
+		return v.(string)
 	}
 
 	var (
@@ -134,6 +134,7 @@ func toDBName(name string) string {
 	} else {
 		buf.WriteByte(value[len(value)-1])
 	}
-
-	return buf.String()
+	ret := buf.String()
+	smap.Store(name, ret)
+	return ret
 }