add error class util (#628)

Lingyu Song · kennytm · commit 3d7cdc10593c · 2019-11-08T20:13:43.000+08:00
diff --git a/terror/terror.go b/terror/terror.go
@@ -83,6 +83,7 @@ const (
 	ClassTiKV
 	ClassSession
 	ClassPlugin
+	ClassUtil
 	// Add more as needed.
 )
 
@@ -111,6 +112,7 @@ var errClz2Str = map[ErrClass]string{
 	ClassTiKV:       "tikv",
 	ClassSession:    "session",
 	ClassPlugin:     "plugin",
+	ClassUtil:       "util",
 }
 
 // String implements fmt.Stringer interface.

Original file line number	Diff line number	Diff line change
`@@ -83,6 +83,7 @@ const (`
`83`	`83`	`ClassTiKV`
`84`	`84`	`ClassSession`
`85`	`85`	`ClassPlugin`
	`86`	`+ ClassUtil`
`86`	`87`	`// Add more as needed.`
`87`	`88`	`)`
`88`	`89`
`@@ -111,6 +112,7 @@ var errClz2Str = map[ErrClass]string{`
`111`	`112`	`ClassTiKV: "tikv",`
`112`	`113`	`ClassSession: "session",`
`113`	`114`	`ClassPlugin: "plugin",`
	`115`	`+ ClassUtil: "util",`
`114`	`116`	`}`
`115`	`117`
`116`	`118`	`// String implements fmt.Stringer interface.`