cast day_of attributes to bigint on Redshift

macros/calendar_date/day_of_month.sql

@@ -2,3 +2,6 @@
 {{ dbt_date.date_part('day', date) }}
 {%- endmacro %}
 
+{%- macro redshift__day_of_month(date) -%}
+cast({{ dbt_date.date_part('day', date) }} as {{ dbt_utils.type_bigint() }})
+{%- endmacro %}

macros/calendar_date/day_of_week.sql

@@ -25,14 +25,14 @@
         {{ dbt_date.date_part(dow_part, date) }}
     {%- else -%}
         {%- set dow_part = 'dayofweek' -%}
-        case 
+        case
             when {{ dbt_date.date_part(dow_part, date) }} = 7 then 1
             else {{ dbt_date.date_part(dow_part, date) }} + 1
         end
     {%- endif -%}
 
-    
-    
+
+
 {%- endmacro %}
 
 {%- macro bigquery__day_of_week(date, isoweek) -%}
@@ -65,3 +65,20 @@
     {%- endif -%}
 
 {%- endmacro %}
+
+
+{%- macro redshift__day_of_week(date, isoweek) -%}
+
+    {%- set dow = dbt_date.date_part('dayofweek', date) -%}
+
+    {%- if isoweek -%}
+    case
+        -- Shift start of week from Sunday (0) to Monday (1)
+        when {{ dow }} = 0 then 7
+        else cast({{ dow }} as {{ dbt_utils.type_bigint() }})
+    end
+    {%- else -%}
+    cast({{ dow }} + 1 as {{ dbt_utils.type_bigint() }})
+    {%- endif -%}
+
+{%- endmacro %}

macros/calendar_date/day_of_year.sql

@@ -9,3 +9,7 @@
 {%- macro postgres__day_of_year(date) -%}
     {{ dbt_date.date_part('doy', date) }}
 {%- endmacro %}
+
+{%- macro redshift__day_of_year(date) -%}
+    cast({{ dbt_date.date_part('dayofyear', date) }} as {{ dbt_utils.type_bigint() }})
+{%- endmacro %}