refactor: delegate generate_series/get_powers_of_two to dbt-core equivalents

dbt_project.yml

@@ -1,7 +1,7 @@
 name: 'dbt_utils'
 version: '0.1.0'
 
-require-dbt-version: [">=1.3.0", "<3.0.0"]
+require-dbt-version: [">=1.7.0", "<3.0.0"]
 
 config-version: 2
 

macros/sql/generate_series.sql

@@ -3,15 +3,7 @@
 {% endmacro %}
 
 {% macro default__get_powers_of_two(upper_bound) %}
-
-    {% if upper_bound <= 0 %}
-    {{ exceptions.raise_compiler_error("upper bound must be positive") }}
-    {% endif %}
-
-    {% for _ in range(1, 100) %}
-       {% if upper_bound <= 2 ** loop.index %}{{ return(loop.index) }}{% endif %}
-    {% endfor %}
-
+    {{ return(dbt.get_powers_of_two(upper_bound)) }}
 {% endmacro %}
 
 
@@ -20,34 +12,5 @@
 {% endmacro %}
 
 {% macro default__generate_series(upper_bound) %}
-
-    {% set n = dbt_utils.get_powers_of_two(upper_bound) %}
-
-    with p as (
-        select 0 as generated_number union all select 1
-    ), unioned as (
-
-    select
-
-    {% for i in range(n) %}
-    p{{i}}.generated_number * power(2, {{i}})
-    {% if not loop.last %} + {% endif %}
-    {% endfor %}
-    + 1
-    as generated_number
-
-    from
-
-    {% for i in range(n) %}
-    p as p{{i}}
-    {% if not loop.last %} cross join {% endif %}
-    {% endfor %}
-
-    )
-
-    select *
-    from unioned
-    where generated_number <= {{upper_bound}}
-    order by generated_number
-
+    {{ return(dbt.generate_series(upper_bound)) }}
 {% endmacro %}