db/post_migrate/20230822125256_drop_temporary_index_on_vulnerability_reads_dismissal_reason.rb


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# frozen_string_literal: true

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

  INDEX_NAME = "tmp_idx_vuln_reads_where_dismissal_reason_null"
  DISMISSED_STATE = 2

  def up
    remove_concurrent_index_by_name(
      :vulnerability_reads,
      INDEX_NAME
    )
  end

  def down
    add_concurrent_index(
      :vulnerability_reads,
      %i[id],
      where: "state = #{DISMISSED_STATE} AND dismissal_reason IS NULL",
      name: INDEX_NAME
    )
  end
end