https://www.redmine.org/issues/21398#note-19

root@ubuntu:/usr/share/redmine# RAILS_ENV=production bundle exec rake db:migrate --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
== 20191014134254 EncodingConvertion: migrating ===============================
-- execute("ALTER DATABASE `redmine_default` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.0014s
-- execute("ALTER TABLE `attachments` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.8099s
-- execute("ALTER TABLE `attachments` MODIFY `container_type` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0320s
-- execute("ALTER TABLE `attachments` MODIFY `filename` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.0352s
-- execute("ALTER TABLE `attachments` MODIFY `disk_filename` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.0300s
-- execute("ALTER TABLE `attachments` MODIFY `content_type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0355s
-- execute("ALTER TABLE `attachments` MODIFY `digest` VARCHAR(40) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.0357s
-- execute("ALTER TABLE `attachments` MODIFY `description` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0422s
-- execute("ALTER TABLE `attachments` MODIFY `disk_directory` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0351s
-- execute("ALTER TABLE `auth_sources` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5144s
-- execute("ALTER TABLE `auth_sources` MODIFY `type` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.0616s
-- execute("ALTER TABLE `auth_sources` MODIFY `name` VARCHAR(60) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.0298s
-- execute("ALTER TABLE `auth_sources` MODIFY `host` VARCHAR(60) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0301s
-- execute("ALTER TABLE `auth_sources` MODIFY `account` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0292s
-- execute("ALTER TABLE `auth_sources` MODIFY `account_password` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0300s
-- execute("ALTER TABLE `auth_sources` MODIFY `base_dn` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0290s
-- execute("ALTER TABLE `auth_sources` MODIFY `attr_login` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0297s
-- execute("ALTER TABLE `auth_sources` MODIFY `attr_firstname` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0298s
-- execute("ALTER TABLE `auth_sources` MODIFY `attr_lastname` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0301s
-- execute("ALTER TABLE `auth_sources` MODIFY `attr_mail` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.0295s
-- execute("ALTER TABLE `auth_sources` MODIFY `filter` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6944s
-- execute("ALTER TABLE `boards` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5202s
-- execute("ALTER TABLE `boards` MODIFY `name` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7860s
-- execute("ALTER TABLE `boards` MODIFY `description` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.9671s
-- execute("ALTER TABLE `changes` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6898s
-- execute("ALTER TABLE `changes` MODIFY `action` VARCHAR(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 1.1586s
-- execute("ALTER TABLE `changes` MODIFY `path` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL")
   -> 0.6880s
-- execute("ALTER TABLE `changes` MODIFY `from_path` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6578s
-- execute("ALTER TABLE `changes` MODIFY `from_revision` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7778s
-- execute("ALTER TABLE `changes` MODIFY `revision` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6643s
-- execute("ALTER TABLE `changes` MODIFY `branch` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7471s
-- execute("ALTER TABLE `changeset_parents` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5042s
-- execute("ALTER TABLE `changesets` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6271s
-- execute("ALTER TABLE `changesets` MODIFY `revision` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8025s
-- execute("ALTER TABLE `changesets` MODIFY `committer` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8494s
-- execute("ALTER TABLE `changesets` MODIFY `comments` LONGTEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7777s
-- execute("ALTER TABLE `changesets` MODIFY `scmid` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8615s
-- execute("ALTER TABLE `changesets_issues` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.3590s
-- execute("ALTER TABLE `comments` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6384s
-- execute("ALTER TABLE `comments` MODIFY `commented_type` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.6312s
-- execute("ALTER TABLE `comments` MODIFY `comments` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.8362s
-- execute("ALTER TABLE `custom_field_enumerations` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.3661s
-- execute("ALTER TABLE `custom_field_enumerations` MODIFY `name` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.5058s
-- execute("ALTER TABLE `custom_fields` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4260s
-- execute("ALTER TABLE `custom_fields` MODIFY `type` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.5215s
-- execute("ALTER TABLE `custom_fields` MODIFY `name` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7120s
-- execute("ALTER TABLE `custom_fields` MODIFY `field_format` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.5677s
-- execute("ALTER TABLE `custom_fields` MODIFY `possible_values` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6763s
-- execute("ALTER TABLE `custom_fields` MODIFY `regexp` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6634s
-- execute("ALTER TABLE `custom_fields` MODIFY `default_value` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7841s
-- execute("ALTER TABLE `custom_fields` MODIFY `format_store` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6935s
-- execute("ALTER TABLE `custom_fields` MODIFY `description` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7358s
-- execute("ALTER TABLE `custom_fields_projects` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4313s
-- execute("ALTER TABLE `custom_fields_roles` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5005s
-- execute("ALTER TABLE `custom_fields_trackers` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4356s
-- execute("ALTER TABLE `custom_values` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4700s
-- execute("ALTER TABLE `custom_values` MODIFY `customized_type` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7569s
-- execute("ALTER TABLE `custom_values` MODIFY `value` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6338s
-- execute("ALTER TABLE `documents` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5329s
-- execute("ALTER TABLE `documents` MODIFY `title` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8276s
-- execute("ALTER TABLE `documents` MODIFY `description` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.8377s
-- execute("ALTER TABLE `email_addresses` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6286s
-- execute("ALTER TABLE `email_addresses` MODIFY `address` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7806s
-- execute("ALTER TABLE `enabled_modules` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5565s
-- execute("ALTER TABLE `enabled_modules` MODIFY `name` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.9247s
-- execute("ALTER TABLE `enumerations` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.7662s
-- execute("ALTER TABLE `enumerations` MODIFY `name` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7925s
-- execute("ALTER TABLE `enumerations` MODIFY `type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.9574s
-- execute("ALTER TABLE `enumerations` MODIFY `position_name` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 1.0763s
-- execute("ALTER TABLE `groups_users` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4372s
-- execute("ALTER TABLE `import_items` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4955s
-- execute("ALTER TABLE `import_items` MODIFY `message` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6432s
-- execute("ALTER TABLE `imports` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4552s
-- execute("ALTER TABLE `imports` MODIFY `type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6189s
-- execute("ALTER TABLE `imports` MODIFY `filename` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6694s
-- execute("ALTER TABLE `imports` MODIFY `settings` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6583s
-- execute("ALTER TABLE `issue_categories` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5214s
-- execute("ALTER TABLE `issue_categories` MODIFY `name` VARCHAR(60) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7454s
-- execute("ALTER TABLE `issue_relations` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.9750s
-- execute("ALTER TABLE `issue_relations` MODIFY `relation_type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8408s
-- execute("ALTER TABLE `issue_statuses` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6946s
-- execute("ALTER TABLE `issue_statuses` MODIFY `name` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8050s
-- execute("ALTER TABLE `issues` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 1.5025s
-- execute("ALTER TABLE `issues` MODIFY `subject` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 1.1138s
-- execute("ALTER TABLE `issues` MODIFY `description` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 1.1300s
-- execute("ALTER TABLE `journal_details` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.7473s
-- execute("ALTER TABLE `journal_details` MODIFY `property` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7336s
-- execute("ALTER TABLE `journal_details` MODIFY `prop_key` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.9329s
-- execute("ALTER TABLE `journal_details` MODIFY `old_value` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7344s
-- execute("ALTER TABLE `journal_details` MODIFY `value` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7880s
-- execute("ALTER TABLE `journals` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.8564s
-- execute("ALTER TABLE `journals` MODIFY `journalized_type` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8874s
-- execute("ALTER TABLE `journals` MODIFY `notes` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.9786s
-- execute("ALTER TABLE `member_roles` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4834s
-- execute("ALTER TABLE `members` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5715s
-- execute("ALTER TABLE `messages` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6249s
-- execute("ALTER TABLE `messages` MODIFY `subject` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8776s
-- execute("ALTER TABLE `messages` MODIFY `content` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.9928s
-- execute("ALTER TABLE `news` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.9450s
-- execute("ALTER TABLE `news` MODIFY `title` VARCHAR(60) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 1.1221s
-- execute("ALTER TABLE `news` MODIFY `summary` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8017s
-- execute("ALTER TABLE `news` MODIFY `description` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.8495s
-- execute("ALTER TABLE `open_id_authentication_associations` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4067s
-- execute("ALTER TABLE `open_id_authentication_associations` MODIFY `handle` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.5975s
-- execute("ALTER TABLE `open_id_authentication_associations` MODIFY `assoc_type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.5798s
-- execute("ALTER TABLE `open_id_authentication_nonces` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4012s
-- execute("ALTER TABLE `open_id_authentication_nonces` MODIFY `server_url` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7148s
-- execute("ALTER TABLE `open_id_authentication_nonces` MODIFY `salt` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8855s
-- execute("ALTER TABLE `projects` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6280s
-- execute("ALTER TABLE `projects` MODIFY `name` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 1.0958s
-- execute("ALTER TABLE `projects` MODIFY `description` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7402s
-- execute("ALTER TABLE `projects` MODIFY `homepage` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.9336s
-- execute("ALTER TABLE `projects` MODIFY `identifier` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.9739s
-- execute("ALTER TABLE `projects_trackers` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.7184s
-- execute("ALTER TABLE `queries` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5121s
-- execute("ALTER TABLE `queries` MODIFY `name` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7619s
-- execute("ALTER TABLE `queries` MODIFY `filters` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.8440s
-- execute("ALTER TABLE `queries` MODIFY `column_names` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.9089s
-- execute("ALTER TABLE `queries` MODIFY `sort_criteria` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7778s
-- execute("ALTER TABLE `queries` MODIFY `group_by` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8494s
-- execute("ALTER TABLE `queries` MODIFY `type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8023s
-- execute("ALTER TABLE `queries` MODIFY `options` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.9015s
-- execute("ALTER TABLE `queries_roles` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4960s
-- execute("ALTER TABLE `repositories` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5490s
-- execute("ALTER TABLE `repositories` MODIFY `url` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.6359s
-- execute("ALTER TABLE `repositories` MODIFY `login` VARCHAR(60) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6823s
-- execute("ALTER TABLE `repositories` MODIFY `password` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7825s
-- execute("ALTER TABLE `repositories` MODIFY `root_url` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7959s
-- execute("ALTER TABLE `repositories` MODIFY `type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7527s
-- execute("ALTER TABLE `repositories` MODIFY `path_encoding` VARCHAR(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7477s
-- execute("ALTER TABLE `repositories` MODIFY `log_encoding` VARCHAR(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6514s
-- execute("ALTER TABLE `repositories` MODIFY `extra_info` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.7414s
-- execute("ALTER TABLE `repositories` MODIFY `identifier` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7283s
-- execute("ALTER TABLE `roles` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5636s
-- execute("ALTER TABLE `roles` MODIFY `name` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7680s
-- execute("ALTER TABLE `roles` MODIFY `permissions` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.8613s
-- execute("ALTER TABLE `roles` MODIFY `issues_visibility` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT 'default' NOT NULL;")
   -> 0.8845s
-- execute("ALTER TABLE `roles` MODIFY `users_visibility` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT 'all' NOT NULL;")
   -> 0.8368s
-- execute("ALTER TABLE `roles` MODIFY `time_entries_visibility` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT 'all' NOT NULL;")
   -> 0.6993s
-- execute("ALTER TABLE `roles_managed_roles` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4731s
-- execute("ALTER TABLE `schema_migrations` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6022s
-- execute("ALTER TABLE `schema_migrations` MODIFY `version` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.6666s
-- execute("ALTER TABLE `settings` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.7362s
-- execute("ALTER TABLE `settings` MODIFY `name` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8109s
-- execute("ALTER TABLE `settings` MODIFY `value` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.9216s
-- execute("ALTER TABLE `time_entries` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5931s
-- execute("ALTER TABLE `time_entries` MODIFY `comments` VARCHAR(1024) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 1.0249s
-- execute("ALTER TABLE `tokens` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.8274s
-- execute("ALTER TABLE `tokens` MODIFY `action` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 1.1569s
-- execute("ALTER TABLE `tokens` MODIFY `value` VARCHAR(40) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8556s
-- execute("ALTER TABLE `trackers` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5986s
-- execute("ALTER TABLE `trackers` MODIFY `name` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.6784s
-- execute("ALTER TABLE `user_preferences` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6172s
-- execute("ALTER TABLE `user_preferences` MODIFY `others` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.8289s
-- execute("ALTER TABLE `user_preferences` MODIFY `time_zone` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6340s
-- execute("ALTER TABLE `users` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.8623s
-- execute("ALTER TABLE `users` MODIFY `login` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7257s
-- execute("ALTER TABLE `users` MODIFY `hashed_password` VARCHAR(40) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7829s
-- execute("ALTER TABLE `users` MODIFY `firstname` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.9152s
-- execute("ALTER TABLE `users` MODIFY `lastname` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8319s
-- execute("ALTER TABLE `users` MODIFY `language` VARCHAR(5) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8309s
-- execute("ALTER TABLE `users` MODIFY `type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.9157s
-- execute("ALTER TABLE `users` MODIFY `identity_url` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8368s
-- execute("ALTER TABLE `users` MODIFY `mail_notification` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.8133s
-- execute("ALTER TABLE `users` MODIFY `salt` VARCHAR(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7596s
-- execute("ALTER TABLE `versions` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5274s
-- execute("ALTER TABLE `versions` MODIFY `name` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.6965s
-- execute("ALTER TABLE `versions` MODIFY `description` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8079s
-- execute("ALTER TABLE `versions` MODIFY `wiki_page_title` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7051s
-- execute("ALTER TABLE `versions` MODIFY `status` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT 'open' ;")
   -> 1.2270s
-- execute("ALTER TABLE `versions` MODIFY `sharing` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT 'none' NOT NULL;")
   -> 0.6575s
-- execute("ALTER TABLE `watchers` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.7486s
-- execute("ALTER TABLE `watchers` MODIFY `watchable_type` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.9113s
-- execute("ALTER TABLE `wiki_content_versions` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4493s
-- execute("ALTER TABLE `wiki_content_versions` MODIFY `compression` VARCHAR(6) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8405s
-- execute("ALTER TABLE `wiki_content_versions` MODIFY `comments` VARCHAR(1024) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8557s
-- execute("ALTER TABLE `wiki_contents` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.5335s
-- execute("ALTER TABLE `wiki_contents` MODIFY `text` LONGTEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ")
   -> 0.6601s
-- execute("ALTER TABLE `wiki_contents` MODIFY `comments` VARCHAR(1024) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.7543s
-- execute("ALTER TABLE `wiki_pages` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6169s
-- execute("ALTER TABLE `wiki_pages` MODIFY `title` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.7618s
-- execute("ALTER TABLE `wiki_redirects` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.4857s
-- execute("ALTER TABLE `wiki_redirects` MODIFY `title` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.8047s
-- execute("ALTER TABLE `wiki_redirects` MODIFY `redirects_to` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.6998s
-- execute("ALTER TABLE `wikis` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 0.6651s
-- execute("ALTER TABLE `wikis` MODIFY `start_page` VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  NOT NULL;")
   -> 0.9296s
-- execute("ALTER TABLE `workflows` ROW_FORMAT=DYNAMIC CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   -> 1.0128s
-- execute("ALTER TABLE `workflows` MODIFY `type` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 0.9832s
-- execute("ALTER TABLE `workflows` MODIFY `field_name` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 1.8117s
-- execute("ALTER TABLE `workflows` MODIFY `rule` VARCHAR(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci  ;")
   -> 1.1431s
== 20191014134254 EncodingConvertion: migrated (130.0542s) ====================

** Invoke db:_dump (first_time)
** Execute db:_dump
** Invoke db:schema:dump (first_time)
** Invoke environment
** Invoke db:load_config
** Execute db:schema:dump
root@ubuntu:/usr/share/redmine#