revision-id: a2d1ca0264ac93982ba1aca45877562e4c2cc00c (mariadb-10.2.40-235-ga2d1ca0264a) parent(s): aa2a6b2f9bccbac97830aa30f0db13bd2cbe211c author: Sergei Petrunia committer: Sergei Petrunia timestamp: 2022-01-20 22:57:02 +0300 message: Make Explain_node::children protected