30 lines
1.1 KiB
Ruby
30 lines
1.1 KiB
Ruby
# frozen_string_literal: true
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# rubocop:disable Style/Documentation
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module Gitlab
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module BackgroundMigration
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class ReplaceBlockedByLinks
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class IssueLink < ActiveRecord::Base
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self.table_name = 'issue_links'
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end
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def perform(start_id, stop_id)
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blocked_by_links = IssueLink.where(id: start_id..stop_id).where(link_type: 2)
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ActiveRecord::Base.transaction do
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# if there is duplicit bi-directional relation (issue2 is blocked by issue1
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# and issue1 already links issue2), then we can just delete 'blocked by'.
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# This should be rare as we have a pre-create check which checks if issues are
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# already linked
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blocked_by_links
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.joins('INNER JOIN issue_links as opposite_links ON issue_links.source_id = opposite_links.target_id AND issue_links.target_id = opposite_links.source_id')
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.where('opposite_links.link_type': 1)
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.delete_all
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blocked_by_links.update_all('source_id=target_id,target_id=source_id,link_type=1')
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end
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end
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end
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end
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end
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