85 lines
2.6 KiB
Ruby
85 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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class CleanupProjectsWithBadHasExternalIssueTrackerData < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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TMP_INDEX_NAME = 'tmp_idx_projects_on_id_where_has_external_issue_tracker_is_true'
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BATCH_SIZE = 100
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disable_ddl_transaction!
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class Service < ActiveRecord::Base
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include EachBatch
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belongs_to :project
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self.table_name = 'services'
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self.inheritance_column = :_type_disabled
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end
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class Project < ActiveRecord::Base
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include EachBatch
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self.table_name = 'projects'
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end
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def up
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update_projects_with_active_external_issue_trackers
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update_projects_without_active_external_issue_trackers
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end
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def down
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# no-op : can't go back to incorrect data
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end
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private
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def update_projects_with_active_external_issue_trackers
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scope = Service.where(active: true, category: 'issue_tracker').where.not(project_id: nil).distinct(:project_id)
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scope.each_batch(of: BATCH_SIZE) do |relation|
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scope_with_projects = relation
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.joins(:project)
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.select('project_id')
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.merge(Project.where(has_external_issue_tracker: false).where(pending_delete: false))
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execute(<<~SQL)
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WITH project_ids_to_update (id) AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (
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#{scope_with_projects.to_sql}
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)
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UPDATE projects SET has_external_issue_tracker = true WHERE id IN (SELECT id FROM project_ids_to_update)
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SQL
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end
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end
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def update_projects_without_active_external_issue_trackers
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# Add a temporary index to speed up the scoping of projects.
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index_where = <<~SQL
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"projects"."has_external_issue_tracker" = TRUE
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AND "projects"."pending_delete" = FALSE
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SQL
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add_concurrent_index(:projects, :id, where: index_where, name: TMP_INDEX_NAME)
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services_sub_query = Service
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.select('1')
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.where('services.project_id = projects.id')
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.where(category: 'issue_tracker')
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.where(active: true)
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# 322 projects are scoped in this query on GitLab.com.
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Project.where(index_where).each_batch(of: BATCH_SIZE) do |relation|
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relation_with_exists_query = relation.where('NOT EXISTS (?)', services_sub_query)
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execute(<<~SQL)
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WITH project_ids_to_update (id) AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (
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#{relation_with_exists_query.select(:id).to_sql}
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)
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UPDATE projects SET has_external_issue_tracker = false WHERE id IN (SELECT id FROM project_ids_to_update)
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SQL
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end
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# Drop the temporary index.
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remove_concurrent_index_by_name(:projects, TMP_INDEX_NAME)
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end
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end
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