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-rw-r--r--db/post_migrate/20210105030125_cleanup_projects_with_bad_has_external_wiki_data.rb88
1 files changed, 0 insertions, 88 deletions
diff --git a/db/post_migrate/20210105030125_cleanup_projects_with_bad_has_external_wiki_data.rb b/db/post_migrate/20210105030125_cleanup_projects_with_bad_has_external_wiki_data.rb
deleted file mode 100644
index bc90a5f48ea..00000000000
--- a/db/post_migrate/20210105030125_cleanup_projects_with_bad_has_external_wiki_data.rb
+++ /dev/null
@@ -1,88 +0,0 @@
-# frozen_string_literal: true
-
-class CleanupProjectsWithBadHasExternalWikiData < ActiveRecord::Migration[6.0]
- include Gitlab::Database::MigrationHelpers
-
- DOWNTIME = false
- TMP_INDEX_NAME = 'tmp_index_projects_on_id_where_has_external_wiki_is_true'
- BATCH_SIZE = 100
-
- disable_ddl_transaction!
-
- class Service < ActiveRecord::Base
- include EachBatch
- belongs_to :project
-
- self.table_name = 'services'
- self.inheritance_column = :_type_disabled
- end
-
- class Project < ActiveRecord::Base
- include EachBatch
-
- self.table_name = 'projects'
- end
-
- def up
- update_projects_with_active_external_wikis
- update_projects_without_active_external_wikis
- end
-
- def down
- # no-op : can't go back to incorrect data
- end
-
- private
-
- def update_projects_with_active_external_wikis
- # 11 projects are scoped in this query on GitLab.com.
- scope = Service.where(active: true, type: 'ExternalWikiService').where.not(project_id: nil)
-
- scope.each_batch(of: BATCH_SIZE) do |relation|
- scope_with_projects = relation
- .joins(:project)
- .select('project_id')
- .merge(Project.where(has_external_wiki: false).where(pending_delete: false).where(archived: false))
-
- execute(<<~SQL)
- WITH project_ids_to_update (id) AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (
- #{scope_with_projects.to_sql}
- )
- UPDATE projects SET has_external_wiki = true WHERE id IN (SELECT id FROM project_ids_to_update)
- SQL
- end
- end
-
- def update_projects_without_active_external_wikis
- # Add a temporary index to speed up the scoping of projects.
- index_where = <<~SQL
- (
- "projects"."has_external_wiki" = TRUE
- )
- AND "projects"."pending_delete" = FALSE
- AND "projects"."archived" = FALSE
- SQL
-
- add_concurrent_index(:projects, :id, where: index_where, name: TMP_INDEX_NAME)
-
- services_sub_query = Service
- .select('1')
- .where('services.project_id = projects.id')
- .where(type: 'ExternalWikiService')
- .where(active: true)
-
- # 322 projects are scoped in this query on GitLab.com.
- Project.where(index_where).each_batch(of: BATCH_SIZE) do |relation|
- relation_with_exists_query = relation.where('NOT EXISTS (?)', services_sub_query)
- execute(<<~SQL)
- WITH project_ids_to_update (id) AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (
- #{relation_with_exists_query.select(:id).to_sql}
- )
- UPDATE projects SET has_external_wiki = false WHERE id IN (SELECT id FROM project_ids_to_update)
- SQL
- end
-
- # Drop the temporary index.
- remove_concurrent_index_by_name(:projects, TMP_INDEX_NAME)
- end
-end