Hi, Sergei! Am 12.07.2017 um 12:49 schrieb serg@mariadb.org:

revision-id: be55bbc2b206f2fe295ad4179b23791c3119fe02 (mariadb-5.5.56-39-gbe55bbc2b20) parent(s): c5975eaea174460e774e77717e972a8d32e6c8de author: Sergei Golubchik committer: Sergei Golubchik timestamp: 2017-07-12 12:49:29 +0200 message:

MDEV-7826 Server crashes in Item_subselect::enumerate_field_refs_processor

upper->item can be NULL if we're referring to an aggregate function

OK to push! [skip]