connection: Document rawConn

Co-Authored-By: vmg <vicent@github.com>
go-sql-driver · Mar 20, 2019 · 7932df6 · 7932df6
1 parent 899a670
commit 7932df6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/connection.go b/connection.go
@@ -22,7 +22,7 @@ import (
 type mysqlConn struct {
 	buf              buffer
 	netConn          net.Conn
-	rawConn          net.Conn
+	rawConn          net.Conn  // underlying connection when netConn is TLS connection.
 	affectedRows     uint64
 	insertId         uint64
 	cfg              *Config