45 lines
1.4 KiB
Ruby
45 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module BackgroundMigration
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# Fixes notes with NULL discussion_ids due to a bug when importing from GitHub
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# Bug was fixed in https://gitlab.com/gitlab-org/gitlab/-/merge_requests/76517
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class BackfillNoteDiscussionId
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SUB_BATCH_SIZE = 300
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# Migration only version of notes model
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class Note < ApplicationRecord
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include EachBatch
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self.table_name = 'notes'
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# Based on https://gitlab.com/gitlab-org/gitlab/blob/117c14d0c79403e169cf52922b48f69d1dcf6a85/app/models/discussion.rb#L62-74
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def generate_discussion_id
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Digest::SHA1.hexdigest(
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[:discussion, noteable_type.try(:underscore), noteable_id || commit_id, SecureRandom.hex].join('-')
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)
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end
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end
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def perform(start_id, stop_id)
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notes = Note.select(:id, :noteable_type, :noteable_id, :commit_id)
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.where(discussion_id: nil, id: start_id..stop_id)
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notes.each_batch(of: SUB_BATCH_SIZE) do |relation|
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update_discussion_ids(relation)
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end
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end
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private
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def update_discussion_ids(notes)
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mapping = notes.each_with_object({}) do |note, hash|
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hash[note] = { discussion_id: note.generate_discussion_id }
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end
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Gitlab::Database::BulkUpdate.execute(%i(discussion_id), mapping)
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end
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end
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end
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end
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