dbt_utils macro interact with --Empty

macros/sql/get_column_values.sql

@@ -13,8 +13,11 @@
 
     {# Not all relations are tables. Renaming for internal clarity without breaking functionality for anyone using named arguments #}
     {# TODO: Change the method signature in a future 0.x.0 release #}
-    {%- set target_relation = table -%}
-
+    {%- set target_relation = table -%} 
+    {% if table is string %}
+        {{ log("target_relation" ~ target_relation ~ "is not in the valid database.schema.table format. Returning the default value: " ~ default, info=True) }}
+        {{ return(default) }}
+    {% endif %}
     {# adapter.load_relation is a convenience wrapper to avoid building a Relation when we already have one #}
     {% set relation_exists = (load_relation(target_relation)) is not none %}
 

macros/sql/get_query_results_as_dict.sql

@@ -17,7 +17,14 @@
     {%- if execute -%}
         {% set sql_results_table = load_result('get_query_results').table.columns %}
         {% for column_name, column in sql_results_table.items() %}
-            {% do sql_results.update({column_name: column.values()}) %}
+            {% if column.values() %}
+                {% do sql_results.update({column_name: column.values()}) %}
+            {% else %}
+                {# If column is empty, assign a dummy value#}
+                {% do sql_results.update({column_name: ' '}) %}
+                {{ log('Column ' ~ column_name ~ ' has no values. Assigning empty value', info=True) }}
+            {% endif %}
+
         {% endfor %}
     {%- endif -%}
 

macros/sql/pivot.sql

@@ -65,22 +65,32 @@ Arguments:
                else_value=0,
                quote_identifiers=True,
                distinct=False) %}
-  {% for value in values %}
-    {{ agg }}(
-      {% if distinct %} distinct {% endif %}
-      case
-      when {{ column }} {{ cmp }} '{{ dbt.escape_single_quotes(value) }}'
-        then {{ then_value }}
-      else {{ else_value }}
-      end
-    )
-    {% if alias %}
-      {% if quote_identifiers %}
-            as {{ adapter.quote(prefix ~ value ~ suffix) }}
-      {% else %}
-        as {{ dbt_utils.slugify(prefix ~ value ~ suffix) }}
+
+  {# Check if values are empty or None #}
+  {% if values is none or values == [] %}
+    {{ log('Pivot: No values to pivot. Creating an empty column with the default then_value.', info=True) }}
+    {% set empty_column = prefix ~ 'empty' ~ suffix %}
+    {{ then_value }} as {{ adapter.quote(empty_column) }}
+
+  {% else %}
+    {# Regular pivot behavior with provided values #}
+    {% for value in values %}
+      {{ agg }}(
+        {% if distinct %} distinct {% endif %}
+        case
+        when {{ column }} {{ cmp }} '{{ dbt.escape_single_quotes(value) }}'
+          then {{ then_value }}
+        else {{ else_value }}
+        end
+      )
+      {% if alias %}
+        {% if quote_identifiers %}
+              as {{ adapter.quote(prefix ~ value ~ suffix) }}
+        {% else %}
+          as {{ dbt_utils.slugify(prefix ~ value ~ suffix) }}
+        {% endif %}
       {% endif %}
-    {% endif %}
-    {% if not loop.last %},{% endif %}
-  {% endfor %}
+      {% if not loop.last %},{% endif %}
+    {% endfor %}
+  {% endif %}
 {% endmacro %}