column "projects.mirror" must appear in the GROUP BY clause or be used in an aggregate function
Just upgraded to GitLab 9.3.2 and see these errors:
2017-06-28_16:48:28.13690 2017-06-28 16:48:28 - PG::GroupingError - ERROR: column "projects.mirror" must appear in the GROUP BY clause or be used in an aggregate function
2017-06-28_16:48:28.13691 LINE 4: projects.mirror,
2017-06-28_16:48:28.13692 ^
2017-06-28_16:48:28.13692 :
2017-06-28_16:48:28.13692 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/database/ci_builds.rb:100:in `exec'
2017-06-28_16:48:28.13692 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/database/ci_builds.rb:100:in `get_per_runner'
2017-06-28_16:48:28.13693 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/database/ci_builds.rb:91:in `run'
2017-06-28_16:48:28.13693 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/database/ci_builds.rb:173:in `probe_db'
2017-06-28_16:48:28.13693 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/prober.rb:17:in `block (3 levels) in probe_all'
2017-06-28_16:48:28.13694 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/prober.rb:16:in `each'
2017-06-28_16:48:28.13694 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/prober.rb:16:in `block (2 levels) in probe_all'
2017-06-28_16:48:28.13694 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/prober.rb:14:in `each'
2017-06-28_16:48:28.13694 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/prober.rb:14:in `block in probe_all'
2017-06-28_16:48:28.13694 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/prober.rb:13:in `each'
2017-06-28_16:48:28.13695 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/prober.rb:13:in `probe_all'
2017-06-28_16:48:28.13695 /opt/gitlab/embedded/lib/ruby/gems/2.3.0/gems/gitlab-monitor-1.8.0/lib/gitlab_monitor/web_exporter.rb:32:in `block (2 levels) in setup_probes'/cc: @ahmadsherif, @bjk-gitlab