Incorrectly quoted migration

Summary

While trying to migrate the Haskell installation to 12.3.2 I encountered a failing migration seemingly caused by incorrect quoting.

Steps to reproduce

gitlab-rails db:migrate

Example Project

Sadly I can't produce one.

What is the current bug behavior?

$ gitlab-rake db:migrate
...

StandardError: An error has occurred, all later migrations canceled:

PG::UndefinedColumn: ERROR:  column "lower(extern_uid), provider" does not exist
: CREATE  INDEX CONCURRENTLY 
  "index_on_identities_lower_extern_uid_and_provider" 
  ON "identities"  ("lower(extern_uid), provider" )

Looking carefully at the SQL reported in the message it seems clear that the problem is that the fields are incorrectly quoted. The command should be:

CREATE  INDEX CONCURRENTLY 
  "index_on_identities_lower_extern_uid_and_provider" 
  ON "identities"  ( lower(extern_uid), provider )

Note the lack of parens quotes within the parens. This issue is odd given that this statement is seemingly generated by ActiveRecord.

What is the expected correct behavior?

The migration completes successfully.

Relevant logs and/or screenshots

== 20190723105753 AddIndexOnIdentitiesLowerExternUidAndProvider: migrating ====
-- transaction_open?()
   -> 0.0000s
-- index_exists?(:identities, "lower(extern_uid), provider", {:name=>"index_on_identities_lower_extern_uid_and_provider", :algorithm=>:concurrently})
   -> 0.0019s
-- execute("SET statement_timeout TO 0")
   -> 0.0002s
-- add_index(:identities, "lower(extern_uid), provider", {:name=>"index_on_identities_lower_extern_uid_and_provider", :algorithm=>:concurrently})
-- execute("RESET ALL")
   -> 0.0002s
rails aborted!
StandardError: An error has occurred, all later migrations canceled:

PG::UndefinedColumn: ERROR:  column "lower(extern_uid), provider" does not exist
: CREATE  INDEX CONCURRENTLY "index_on_identities_lower_extern_uid_and_provider" ON "identities"  ("lower(extern_uid), provider" )
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql/database_statements.rb:75:in `async_exec'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql/database_statements.rb:75:in `block (2 levels) in execute'
/nix/store/acrnaqnibcqfr9n4x5zdfpvbiyc9g4nd-ruby2.5.5-activesupport-5.2.3/lib/ruby/gems/2.5.0/gems/activesupport-5.2.3/lib/active_support/dependencies/interlock.rb:48:in `block in permit_concurrent_loads'
/nix/store/acrnaqnibcqfr9n4x5zdfpvbiyc9g4nd-ruby2.5.5-activesupport-5.2.3/lib/ruby/gems/2.5.0/gems/activesupport-5.2.3/lib/active_support/concurrency/share_lock.rb:187:in `yield_shares'
/nix/store/acrnaqnibcqfr9n4x5zdfpvbiyc9g4nd-ruby2.5.5-activesupport-5.2.3/lib/ruby/gems/2.5.0/gems/activesupport-5.2.3/lib/active_support/dependencies/interlock.rb:47:in `permit_concurrent_loads'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql/database_statements.rb:74:in `block in execute'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract_adapter.rb:581:in `block (2 levels) in log'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract_adapter.rb:580:in `block in log'
/nix/store/acrnaqnibcqfr9n4x5zdfpvbiyc9g4nd-ruby2.5.5-activesupport-5.2.3/lib/ruby/gems/2.5.0/gems/activesupport-5.2.3/lib/active_support/notifications/instrumenter.rb:23:in `instrument'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract_adapter.rb:571:in `log'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql/database_statements.rb:73:in `execute'
/nix/store/ph31hylpcjdziv17iif1qjgnwy97hw8b-gitlab-ee-12.3.2/share/gitlab/config/initializers/postgresql_opclasses_support.rb:149:in `add_index'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:871:in `block in method_missing'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:840:in `block in say_with_time'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:840:in `say_with_time'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:860:in `method_missing'
/nix/store/ph31hylpcjdziv17iif1qjgnwy97hw8b-gitlab-ee-12.3.2/share/gitlab/lib/gitlab/database/migration_helpers.rb:93:in `block in add_concurrent_index'
/nix/store/ph31hylpcjdziv17iif1qjgnwy97hw8b-gitlab-ee-12.3.2/share/gitlab/lib/gitlab/database/migration_helpers.rb:252:in `disable_statement_timeout'
/nix/store/ph31hylpcjdziv17iif1qjgnwy97hw8b-gitlab-ee-12.3.2/share/gitlab/lib/gitlab/database/migration_helpers.rb:92:in `add_concurrent_index'
/nix/store/ph31hylpcjdziv17iif1qjgnwy97hw8b-gitlab-ee-12.3.2/share/gitlab/db/post_migrate/20190723105753_add_index_on_identities_lower_extern_uid_and_provider.rb:13:in `up'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:817:in `exec_migration'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:798:in `block (2 levels) in migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:797:in `block in migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:416:in `with_connection'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:796:in `migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:977:in `migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1292:in `block in execute_migration_in_transaction'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1345:in `ddl_transaction'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1291:in `execute_migration_in_transaction'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1263:in `block in migrate_without_lock'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1262:in `each'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1262:in `migrate_without_lock'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1210:in `block in migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1363:in `with_advisory_lock'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1210:in `migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1036:in `up'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/migration.rb:1011:in `migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/tasks/database_tasks.rb:172:in `migrate'
/nix/store/zd58a2q1455milpnyq2dzqk7q3nbc01g-ruby2.5.5-activerecord-5.2.3/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/railties/databases.rake:60:in `block (2 levels) in <top (required)>'
/nix/store/ihx2vzc5qnzlq31m4wm2x4drpr8v88jn-ruby2.5.5-railties-5.2.3/lib/ruby/gems/2.5.0/gems/railties-5.2.3/lib/rails/commands/rake/rake_command.rb:23:in `block in perform'
/nix/store/ihx2vzc5qnzlq31m4wm2x4drpr8v88jn-ruby2.5.5-railties-5.2.3/lib/ruby/gems/2.5.0/gems/railties-5.2.3/lib/rails/commands/rake/rake_command.rb:20:in `perform'
/nix/store/ihx2vzc5qnzlq31m4wm2x4drpr8v88jn-ruby2.5.5-railties-5.2.3/lib/ruby/gems/2.5.0/gems/railties-5.2.3/lib/rails/command.rb:48:in `invoke'
/nix/store/ihx2vzc5qnzlq31m4wm2x4drpr8v88jn-ruby2.5.5-railties-5.2.3/lib/ruby/gems/2.5.0/gems/railties-5.2.3/lib/rails/commands.rb:18:in `<top (required)>'
bin/rails:4:in `require'
bin/rails:4:in `<main>'

Output of checks

(If you are reporting a bug on GitLab.com, write: This bug happens on GitLab.com)

Results of GitLab environment info

Expand for output related to GitLab environment info 
System information
System:		
Proxy:		no
Current User:	root
Using RVM:	no
Ruby Version:	unknown
Gem Version:	
Bundler Version:1.17.3
Rake Version:	12.3.2
Redis Version:	unknown
Git Version:	2.22.0
Sidekiq Version:5.2.7
Go Version:	unknown

GitLab information
Version:	12.3.2-ee
Revision:	Unknown
Directory:	/nix/store/ph31hylpcjdziv17iif1qjgnwy97hw8b-gitlab-ee-12.3.2/share/gitlab
DB Adapter:	PostgreSQL
DB Version:	11.4
URL:		https://gitlab.haskell.org
HTTP Clone URL:	https://gitlab.haskell.org/some-group/some-project.git
SSH Clone URL:	git@gitlab.haskell.org:some-group/some-project.git
Elasticsearch:	yes
Geo:		no
Using LDAP:	no
Using Omniauth:	yes
Omniauth Providers: github


GitLab Shell
Version:	10.0.0
Repository storage paths:
  • default: /var/gitlab/state/repositories GitLab Shell path: /nix/store/gf77rs23mnzgcly12mnvp811pgvh60p5-gitlab-shell-10.0.0 Git: git

Results of GitLab application Check

Expand for output related to the GitLab application check 
Warning
You are running as user root, we hope you know what you are doing.
Things may work/fail for the wrong reasons.
For correct results you should run this as user git.


Checking GitLab subtasks ...


Checking GitLab Shell ...


GitLab Shell: ... GitLab Shell version >= 10.0.0 ? ... OK (10.0.0)
Running /nix/store/gf77rs23mnzgcly12mnvp811pgvh60p5-gitlab-shell-10.0.0/bin/check
Check GitLab API access: FAILED: Failed to connect to internal API
gitlab-shell self-check failed
Try fixing it:
Make sure GitLab is running;
Check the gitlab-shell configuration file:
sudo -u git -H editor /nix/store/gf77rs23mnzgcly12mnvp811pgvh60p5-gitlab-shell-10.0.0/config.yml
Please fix the error above and rerun the checks.


Checking GitLab Shell ... Finished


Checking Gitaly ...


Gitaly: ... default ... OK


Checking Gitaly ... Finished


Checking Sidekiq ...


Sidekiq: ... Running? ... no
Try fixing it:
sudo -u git -H RAILS_ENV=production bin/background_jobs start
For more information see:
doc/install/installation.md in section "Install Init Script"
see log/sidekiq.log for possible errors
Please fix the error above and rerun the checks.


Checking Sidekiq ... Finished


Checking Incoming Email ...


Incoming Email: ... Reply by email is disabled in config/gitlab.yml


Checking Incoming Email ... Finished


Checking LDAP ...


LDAP: ... LDAP is disabled in config/gitlab.yml


Checking LDAP ... Finished


Checking GitLab App ...


Git configured correctly? ... yes
Database config exists? ... yes
All migrations up? ... yes
Database contains orphaned GroupMembers? ... no
GitLab config exists? ... yes
GitLab config up to date? ... yes
Log directory writable? ... yes
Tmp directory writable? ... yes
Uploads directory exists? ... yes
Uploads directory has correct permissions? ... yes
Uploads directory tmp has correct permissions? ... no
Try fixing it:
sudo chown -R git /var/gitlab/state/uploads
sudo find /var/gitlab/state/uploads -type f -exec chmod 0644 {} ;
sudo find /var/gitlab/state/uploads -type d -not -path /var/gitlab/state/uploads -exec chmod 0700 {} ;
For more information see:
doc/install/installation.md in section "GitLab"
Please fix the error above and rerun the checks.
Init script exists? ... no
Try fixing it:
Install the init script
For more information see:
doc/install/installation.md in section "Install Init Script"
Please fix the error above and rerun the checks.
Init script up-to-date? ... can't check because of previous errors
Projects have namespace: ...
2/1 ... yes
2/4 ... yes
2/5 ... yes
2/6 ... yes
2/8 ... yes
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4062/426 ... yes
Redis version >= 2.8.0? ... no
Try fixing it:
Update your redis server to a version >= 2.8.0
For more information see:
gitlab-public-wiki/wiki/Trouble-Shooting-Guide in section sidekiq
Please fix the error above and rerun the checks.
Ruby version >= 2.5.3 ? ... yes (2.5.5)
Git version >= 2.22.0 ? ... yes (2.22.0)
Git user has default SSH configuration? ... yes
Active users: ... 4307
Is authorized keys file accessible? ... yes
Elasticsearch version 5.6 - 6.x? ... yes (6.7.2)


Checking GitLab App ... Finished


Checking GitLab subtasks ... Finished

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)

Edited by Ben Gamari