34 lines
1,005 B
Ruby
34 lines
1,005 B
Ruby
# frozen_string_literal: true
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# 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 CleanUpNoteableIdForNotesOnCommits < ActiveRecord::Migration[5.0]
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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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TEMP_INDEX_NAME = 'index_notes_on_commit_with_null_noteable_id'
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disable_ddl_transaction!
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def up
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remove_concurrent_index_by_name(:notes, TEMP_INDEX_NAME)
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add_concurrent_index(:notes, :id, where: "noteable_type = 'Commit' AND noteable_id IS NOT NULL", name: TEMP_INDEX_NAME)
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# rubocop:disable Migration/UpdateLargeTable
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update_column_in_batches(:notes, :noteable_id, nil, batch_size: 300) do |table, query|
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query.where(
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table[:noteable_type].eq('Commit').and(table[:noteable_id].not_eq(nil))
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)
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end
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remove_concurrent_index_by_name(:notes, TEMP_INDEX_NAME)
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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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