address comments

Signed-off-by: 5kbpers <tangminghua@pingcap.com>

pkg/restore/db.go

@@ -92,7 +92,10 @@ func (db *DB) CreateTable(ctx context.Context, table *utils.Table) error {
 			zap.Error(err))
 		return errors.Trace(err)
 	}
-	alterAutoIncIDSQL := fmt.Sprintf("alter table %s auto_increment = %d", schema.Name, schema.AutoIncID)
+	alterAutoIncIDSQL := fmt.Sprintf(
+		"alter table %s auto_increment = %d",
+		escapeTableName(schema.Name),
+		schema.AutoIncID)
 	_, err = db.se.Execute(ctx, alterAutoIncIDSQL)
 	if err != nil {
 		log.Error("alter AutoIncID failed",

pkg/restore/util.go

@@ -368,3 +368,12 @@ func encodeKeyPrefix(key []byte) []byte {
 	encodedPrefix = append(encodedPrefix, codec.EncodeBytes([]byte{}, key[:len(key)-ungroupedLen])...)
 	return append(encodedPrefix[:len(encodedPrefix)-9], key[len(key)-ungroupedLen:]...)
 }
+
+// escape the identifier for pretty-printing.
+// For instance, the identifier "foo `bar`" will become "`foo ``bar```".
+// The sqlMode controls whether to escape with backquotes (`) or double quotes
+// (`"`) depending on whether mysql.ModeANSIQuotes is enabled.
+func escapeTableName(cis model.CIStr) string {
+	quote := `"`
+	return quote + strings.Replace(cis.O, quote, quote+quote, -1) + quote
+}