39 lines
801 B
Ruby
39 lines
801 B
Ruby
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# frozen_string_literal: true
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class BackfillDesignsRelativePosition < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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INTERVAL = 2.minutes
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BATCH_SIZE = 1000
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MIGRATION = 'BackfillDesignsRelativePosition'
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disable_ddl_transaction!
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class Issue < ActiveRecord::Base
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include EachBatch
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self.table_name = 'issues'
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has_many :designs
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end
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class Design < ActiveRecord::Base
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self.table_name = 'design_management_designs'
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end
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def up
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issues_with_designs = Issue.where(id: Design.select(:issue_id))
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issues_with_designs.each_batch(of: BATCH_SIZE) do |relation, index|
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issue_ids = relation.pluck(:id)
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delay = INTERVAL * index
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migrate_in(delay, MIGRATION, [issue_ids])
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end
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end
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def down
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end
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end
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