Heads up: redmine:load_default_data fails in MariaDB 10.0.10, Table 'enumerations' is specified twice
On my production server, running Ubuntu server 14.04 and MariaDB 10.0.10
redmine@andromeda:~/redmine-3.3$ ruby bin/about /home/redmine/.rvm/gems/ruby-2.3.0/gems/htmlentities-4.3.1/lib/htmlentities/mappings/expanded.rb:465: warning: key "inodot" is duplicated and overwritten on line 466 sh: darcs: command not found sh: cvs: command not found sh: bzr: command not found Environment: Redmine version 3.3.1.stable.16076 Ruby version 2.3.0-p0 (2015-12-25) [x86_64-linux] Rails version 126.96.36.199 Environment production Database adapter Mysql2 SCM: Subversion 1.8.8 Mercurial 2.8.2 Git 1.9.1 Filesystem Redmine plugins: no plugin installed redmine@andromeda:~/redmine-3.3$ RAILS_ENV=production bundle exec rake redmine:load_default_data /home/redmine/.rvm/gems/ruby-2.3.0/gems/htmlentities-4.3.1/lib/htmlentities/mappings/expanded.rb:465: warning: key "inodot" is duplicated and overwritten on line 466 Select language: ar, az, bg, bs, ca, cs, da, de, el, en, en-GB, es, es-PA, et, eu, fa, fi, fr, gl, he, hr, hu, id, it, ja, ko, lt, lv, mk, mn, nl, no, pl, pt, pt-BR, ro, ru, sk, sl, sq, sr, sr-YU, sv, th, tr, uk, vi, zh, zh-TW [en] ==================================== Error: Mysql2::Error: Table 'enumerations' is specified twice, both as a target for 'UPDATE' and as a separate source for data: UPDATE `enumerations` SET position = coalesce(( select position from (select id, position from enumerations) as parent where parent_id = parent.id), 1) WHERE `enumerations`.`type` IN ('IssuePriority') AND (`enumerations`.`parent_id` IS NOT NULL) ORDER BY `enumerations`.`position` ASC Default configuration data was not loaded.
In trying to replicate this on my VM, I found that the redmine:load_default_data task completed successfully. My VM is Ubuntu 16.04 with MariaDB 10.0.28
I believe it has something to do with this MariaDB bug report:
which was fixed in 10.0.12
Obviously the straightforward answer is to upgrade my production server, which I will at some point (when it is least inconvenient for the 900 people online using it at any given time), but I'm betting I'm not the only one who could run into this who may for whatever reason be stuck (if even temporarily) at 10.0.10.
Would it be possible to fix the offending query, or is there a minimum MariaDB version required for newer versions of Redmine? This may be good information to post on relevant wiki pages.