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
31 lines
719 B
Ruby
31 lines
719 B
Ruby
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class CleanUpForMembers < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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# Set this constant to true if this migration requires downtime.
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DOWNTIME = false
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disable_ddl_transaction!
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class Member < ActiveRecord::Base
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include EachBatch
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self.table_name = 'members'
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end
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def up
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condition = <<~EOF.squish
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invite_token IS NULL AND
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NOT EXISTS (SELECT 1 FROM users WHERE users.id = members.user_id)
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EOF
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Member.each_batch(of: 10_000) do |batch|
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batch.where(condition).delete_all
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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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