issue with snapshot when source table has a new column about dbt-synapse HOT 2 CLOSED

{% macro default__alter_relation_add_remove_columns(relation, add_columns, remove_columns) %}
  
  {% if add_columns is none %}
    {% set add_columns = [] %}
  {% endif %}
  {% if remove_columns is none %}
    {% set remove_columns = [] %}
  {% endif %}
  
  {% set sql -%}
     
     alter {{ relation.type }} {{ relation }}
       
            {% for column in add_columns %}
               add column {{ column.name }} {{ column.data_type }}{{ ',' if not loop.last }}
            {% endfor %}{{ ',' if remove_columns | length > 0 }}
            
            {% for column in remove_columns %}
                drop column {{ column.name }}{{ ',' if not loop.last }}
            {% endfor %}
  
  {%- endset -%}

  {% do run_query(sql) %}

{% endmacro %}