Git commits in Moodle x.x.x by Srdjan

commit 99e536fc4c9eb5f161a8759e9ff1bfc3f4edf319
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Wed, 10 Mar 2021 09:34:31 +0800
Tag:    v3.11.0-beta

MDL-70965 core_dml: read_slave - mock db handles as resources

commit 317432cacc6c4ee6af4f5132d85630aa9248f587
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Tue, 19 May 2020 16:09:14 +0800
Tag:    v3.9.0-beta

MDL-19711 dml: call mysqli::real_connect() with @

commit 3612d0b8b9647056f590a719fdb9aac11e7a73df
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Tue, 19 May 2020 14:21:48 +0800
Tag:    v3.9.0-beta

MDL-19711 dml: Fix undefined $dberr

commit 46cfde3d9501f22304390bfe32d96d023c2b0fe4
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Thu, 07 May 2020 12:14:29 +0800
Tag:    v3.9.0-beta

MDL-19711 dml: Enable use of readonly slave database handles