{% if submit_attribute is defined and submit_attribute != false %}
{% set attribute = submit_attribute %}
{# MariaDB has additional parentheses #}
{% elseif column_meta['Extra'] is defined
and ('on update current_timestamp' in column_meta['Extra'] or 'on update current_timestamp()' in column_meta['Extra']|lower) %}
{% set attribute = 'on update CURRENT_TIMESTAMP' %}
{% elseif extracted_columnspec['attribute'] is defined %}
{% set attribute = extracted_columnspec['attribute'] %}
{% else %}
{% set attribute = '' %}
{% endif %}
{% set attribute = attribute|upper %}