is_cached_plan_failure?

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 632
        def is_cached_plan_failure?(e)
          pgerror = e.cause
          code = pgerror.result.result_error_field(PGresult::PG_DIAG_SQLSTATE)
          code == FEATURE_NOT_SUPPORTED && pgerror.message.include?(CACHED_PLAN_HEURISTIC)
        rescue
          false
        end