Class: Gitlab::BackgroundMigration::MigrateUsersBioToUserDetails

Inherits:
Object
  • Object
show all
Defined in:
lib/gitlab/background_migration/migrate_users_bio_to_user_details.rb

Defined Under Namespace

Classes: User, UserDetails

Instance Method Summary collapse

Instance Method Details

#perform(start_id, stop_id) ⇒ Object


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# File 'lib/gitlab/background_migration/migrate_users_bio_to_user_details.rb', line 15

def perform(start_id, stop_id)
  return if Feature.disabled?(:migrate_bio_to_user_details, default_enabled: true)

  relation = User
    .select("id AS user_id", "substring(COALESCE(bio, '') from 1 for 255) AS bio")
    .where("(COALESCE(bio, '') IS DISTINCT FROM '')")
    .where(id: (start_id..stop_id))

  ActiveRecord::Base.connection.execute <<-EOF.strip_heredoc
    INSERT INTO user_details
    (user_id, bio)
    #{relation.to_sql}
    ON CONFLICT (user_id)
    DO UPDATE SET
      "bio" = EXCLUDED."bio";
  EOF
end