Error with migrations when updating from 8.13 to 8.14

@yorickpeterse problem looks related to this migration: https://gitlab.com/gitlab-org/gitlab-ce/blob/5c6d3a99efa1d29291f0b58655d9fc7febb970f8/db/migrate/20161117114805_remove_undeleted_groups.rb#L8-17

Zendesk issue: https://gitlab.zendesk.com/agent/tickets/50703

Backtrace:

[root@gitlab gitlab]# sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production --trace
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Invoke db:load_config (first_time)
** Execute db:load_config
** Execute db:migrate
== 20161117114805 RemoveUndeletedGroups: migrating ============================
-- execute("DELETE FROM projects\nWHERE namespace_id IN (\n  SELECT id FROM (\n    SELECT id\n    FROM namespaces\n    WHERE deleted_at IS NOT NULL\n  ) namespace_ids\n);\n")
   -> 0.0030s
-- execute("DELETE FROM protected_branch_push_access_levels\nWHERE group_id IN (\n  SELECT id FROM (\n    SELECT id\n    FROM namespaces\n    WHERE deleted_at IS NOT NULL\n  ) namespace_ids\n);\n")
   -> 0.0010s
-- execute("DELETE FROM protected_branch_merge_access_levels\nWHERE group_id IN (\n  SELECT id FROM (\n    SELECT id\n    FROM namespaces\n    WHERE deleted_at IS NOT NULL\n  ) namespace_ids\n);\n")
   -> 0.0009s
-- execute("DELETE FROM namespaces WHERE deleted_at IS NOT NULL;")
rake aborted!
StandardError: An error has occurred, this and all later migrations canceled:

PG::ForeignKeyViolation: ERROR:  update or delete on table "labels" violates foreign key constraint "fk_rails_7a5553d60f" on table "lists"
DETAIL:  Key (id)=(2679) is still referenced from table "lists".
: DELETE FROM namespaces WHERE deleted_at IS NOT NULL;/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:155:in `async_exec'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:155:in `block in execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb:484:in `block in log'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb:478:in `log'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:154:in `execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:665:in `block in method_missing'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:634:in `block in say_with_time'
/usr/local/lib/ruby/2.3.0/benchmark.rb:293:in `measure'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:634:in `say_with_time'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:654:in `method_missing'
/home/git/gitlab/db/migrate/20161117114805_remove_undeleted_groups.rb:49:in `up'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:611:in `exec_migration'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:592:in `block (2 levels) in migrate'
/usr/local/lib/ruby/2.3.0/benchmark.rb:293:in `measure'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:591:in `block in migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:292:in `with_connection'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:590:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:768:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:998:in `block in execute_migration_in_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:1044:in `block in ddl_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in `block in transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/transaction.rb:184:in `within_new_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in `transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb:220:in `transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:1044:in `ddl_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:997:in `execute_migration_in_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:959:in `block in migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:955:in `each'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:955:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:823:in `up'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:801:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/tasks/database_tasks.rb:137:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/railties/databases.rake:44:in `block (2 levels) in <top (required)>'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:240:in `block in execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:235:in `each'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:235:in `execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:179:in `block in invoke_with_call_chain'
/usr/local/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:172:in `invoke_with_call_chain'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:165:in `invoke'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:150:in `invoke_task'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:106:in `block (2 levels) in top_level'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:106:in `each'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:106:in `block in top_level'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:115:in `run_with_threads'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:100:in `top_level'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:78:in `block in run'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:176:in `standard_exception_handling'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:75:in `run'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/bin/rake:33:in `<top (required)>'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/bin/rake:23:in `load'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/bin/rake:23:in `<top (required)>'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli/exec.rb:74:in `load'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli/exec.rb:74:in `kernel_load'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli/exec.rb:27:in `run'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli.rb:332:in `exec'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor.rb:359:in `dispatch'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli.rb:20:in `dispatch'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor/base.rb:440:in `start'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli.rb:11:in `start'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/exe/bundle:34:in `block in <top (required)>'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/friendly_errors.rb:100:in `with_friendly_errors'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/exe/bundle:26:in `<top (required)>'
/usr/bin/bundle:23:in `load'
/usr/bin/bundle:23:in `<main>'
ActiveRecord::InvalidForeignKey: PG::ForeignKeyViolation: ERROR:  update or delete on table "labels" violates foreign key constraint "fk_rails_7a5553d60f" on table "lists"
DETAIL:  Key (id)=(2679) is still referenced from table "lists".
: DELETE FROM namespaces WHERE deleted_at IS NOT NULL;
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:155:in `async_exec'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:155:in `block in execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb:484:in `block in log'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb:478:in `log'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:154:in `execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:665:in `block in method_missing'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:634:in `block in say_with_time'
/usr/local/lib/ruby/2.3.0/benchmark.rb:293:in `measure'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:634:in `say_with_time'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:654:in `method_missing'
/home/git/gitlab/db/migrate/20161117114805_remove_undeleted_groups.rb:49:in `up'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:611:in `exec_migration'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:592:in `block (2 levels) in migrate'
/usr/local/lib/ruby/2.3.0/benchmark.rb:293:in `measure'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:591:in `block in migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:292:in `with_connection'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:590:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:768:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:998:in `block in execute_migration_in_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:1044:in `block in ddl_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in `block in transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/transaction.rb:184:in `within_new_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in `transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb:220:in `transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:1044:in `ddl_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:997:in `execute_migration_in_transaction'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:959:in `block in migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:955:in `each'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:955:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:823:in `up'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:801:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/tasks/database_tasks.rb:137:in `migrate'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/railties/databases.rake:44:in `block (2 levels) in <top (required)>'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:240:in `block in execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:235:in `each'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:235:in `execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:179:in `block in invoke_with_call_chain'
/usr/local/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:172:in `invoke_with_call_chain'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/task.rb:165:in `invoke'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:150:in `invoke_task'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:106:in `block (2 levels) in top_level'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:106:in `each'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:106:in `block in top_level'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:115:in `run_with_threads'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:100:in `top_level'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:78:in `block in run'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:176:in `standard_exception_handling'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/lib/rake/application.rb:75:in `run'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/rake-10.5.0/bin/rake:33:in `<top (required)>'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/bin/rake:23:in `load'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/bin/rake:23:in `<top (required)>'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli/exec.rb:74:in `load'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli/exec.rb:74:in `kernel_load'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli/exec.rb:27:in `run'
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/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor.rb:359:in `dispatch'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli.rb:20:in `dispatch'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/vendor/thor/lib/thor/base.rb:440:in `start'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/cli.rb:11:in `start'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/exe/bundle:34:in `block in <top (required)>'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/lib/bundler/friendly_errors.rb:100:in `with_friendly_errors'
/usr/local/lib/ruby/gems/2.3.0/gems/bundler-1.13.6/exe/bundle:26:in `<top (required)>'
/usr/bin/bundle:23:in `load'
/usr/bin/bundle:23:in `<main>'
PG::ForeignKeyViolation: ERROR:  update or delete on table "labels" violates foreign key constraint "fk_rails_7a5553d60f" on table "lists"
DETAIL:  Key (id)=(2679) is still referenced from table "lists".
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:155:in `async_exec'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:155:in `block in execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb:484:in `block in log'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb:478:in `log'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/postgresql/database_statements.rb:154:in `execute'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:665:in `block in method_missing'
/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:634:in `block in say_with_time'
/usr/local/lib/ruby/2.3.0/benchmark.rb:293:in `measure'
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/home/git/gitlab/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/migration.rb:654:in `method_missing'
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Tasks: TOP => db:migrate

@rdavila Bah, seems there are more tables with orphaned data. We'd have to remove data from those tables prior to removing the projects rows.

Reassigned to @yorickpeterse

Added database label

Mentioned in commit 7d1d6c04

Mentioned in merge request !7841 (merged)

Mentioned in commit dab0bdd4

Milestone changed to %8.14

mentioned in commit 3c5b6659

mentioned in commit 4c473b3d

mentioned in commit ad33cee0

changed milestone to %8.16

mentioned in commit 63bd4969

closed via merge request !7841 (merged)

mentioned in commit maxraab/gitlab-ce@6688d695

mentioned in merge request !14785