init

dbt/macros/dbt_overrides/conditional_truncate.sql

@@ -0,0 +1,10 @@
+{% macro conditional_truncate(target_relation, source_relation) %}
+DECLARE
+    row_count NUMBER;
+BEGIN
+    SELECT COUNT(*) INTO row_count FROM {{ source_relation }};
+    IF row_count > 0 THEN
+        EXECUTE IMMEDIATE 'TRUNCATE TABLE ' || '{{ target_relation }}';
+    END IF;
+END;
+{% endmacro %}