db/post_migrate/20230705150100_recreate_type_migration_index_on_vulnerability_occurrences.rb


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# frozen_string_literal: true

class RecreateTypeMigrationIndexOnVulnerabilityOccurrences < Gitlab::Database::Migration[2.1]
  disable_ddl_transaction!

  INDEX_NAME = 'tmp_idx_vulns_on_converted_uuid'
  WHERE_CLAUSE = "uuid_convert_string_to_uuid = '00000000-0000-0000-0000-000000000000'::uuid"

  def up
    add_concurrent_index(
      :vulnerability_occurrences,
      %i[id uuid_convert_string_to_uuid],
      name: INDEX_NAME,
      where: WHERE_CLAUSE
    )
  end

  def down
    remove_concurrent_index_by_name(
      :vulnerability_occurrences,
      INDEX_NAME
    )
  end
end