0fc9f9d3e7
DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
33 lines
746 B
Ruby
33 lines
746 B
Ruby
# frozen_string_literal: true
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class EncryptWebHooksColumns < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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BATCH_SIZE = 10000
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RANGE_SIZE = 100
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MIGRATION = 'EncryptColumns'
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COLUMNS = [:token, :url]
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WebHook = ::Gitlab::BackgroundMigration::Models::EncryptColumns::WebHook
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disable_ddl_transaction!
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def up
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WebHook.each_batch(of: BATCH_SIZE) do |relation, index|
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delay = index * 2.minutes
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relation.each_batch(of: RANGE_SIZE) do |relation|
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range = relation.pluck('MIN(id)', 'MAX(id)').first
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args = [WebHook, COLUMNS, *range]
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BackgroundMigrationWorker.perform_in(delay, MIGRATION, args)
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end
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end
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end
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def down
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# noop
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end
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end
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