From 47e7b1cc80266e1a484434c2dccae8e3c058958e Mon Sep 17 00:00:00 2001
From: Mike Alfare <13974384+mikealfare@users.noreply.github.com>
Date: Mon, 15 May 2023 15:51:19 -0400
Subject: [PATCH] Feature/drop relation/ct 2581 (#7626)

* changie
* move drop_relation macros into their own file, add scenarios for table, view, and materialized view
---
 .../unreleased/Features-20230515-122304.yaml  |  7 +++
 .../macros/adapters/drop_relation.sql         | 44 +++++++++++++++++++
 .../macros/adapters/relation.sql              | 10 -----
 3 files changed, 51 insertions(+), 10 deletions(-)
 create mode 100644 .changes/unreleased/Features-20230515-122304.yaml
 create mode 100644 core/dbt/include/global_project/macros/adapters/drop_relation.sql

diff --git a/.changes/unreleased/Features-20230515-122304.yaml b/.changes/unreleased/Features-20230515-122304.yaml
new file mode 100644
index 00000000000..d423e564551
--- /dev/null
+++ b/.changes/unreleased/Features-20230515-122304.yaml
@@ -0,0 +1,7 @@
+kind: Features
+body: Update drop_relation macro to allow for configuration of drop statement separately
+  from object name
+time: 2023-05-15T12:23:04.177141-04:00
+custom:
+  Author: mikealfare
+  Issue: "7625"
diff --git a/core/dbt/include/global_project/macros/adapters/drop_relation.sql b/core/dbt/include/global_project/macros/adapters/drop_relation.sql
new file mode 100644
index 00000000000..bd254c78d51
--- /dev/null
+++ b/core/dbt/include/global_project/macros/adapters/drop_relation.sql
@@ -0,0 +1,44 @@
+{% macro drop_relation(relation) -%}
+    {{ return(adapter.dispatch('drop_relation', 'dbt')(relation)) }}
+{% endmacro %}
+
+{% macro default__drop_relation(relation) -%}
+    {% call statement('drop_relation', auto_begin=False) -%}
+        {%- if relation.is_table -%}
+            {{- drop_table(relation) -}}
+        {%- elif relation.is_view -%}
+            {{- drop_view(relation) -}}
+        {%- elif relation.is_materialized_view -%}
+            {{- drop_materialized_view(relation) -}}
+        {%- else -%}
+            drop {{ relation.type }} if exists {{ relation }} cascade
+        {%- endif -%}
+    {%- endcall %}
+{% endmacro %}
+
+
+{% macro drop_table(relation) -%}
+  {{ return(adapter.dispatch('drop_table', 'dbt')(relation)) }}
+{%- endmacro %}
+
+{% macro default__drop_table(relation) -%}
+    drop table if exists {{ relation }} cascade
+{%- endmacro %}
+
+
+{% macro drop_view(relation) -%}
+  {{ return(adapter.dispatch('drop_view', 'dbt')(relation)) }}
+{%- endmacro %}
+
+{% macro default__drop_view(relation) -%}
+    drop view if exists {{ relation }} cascade
+{%- endmacro %}
+
+
+{% macro drop_materialized_view(relation) -%}
+  {{ return(adapter.dispatch('drop_materialized_view', 'dbt')(relation)) }}
+{%- endmacro %}
+
+{% macro default__drop_materialized_view(relation) -%}
+    drop materialized view if exists {{ relation }} cascade
+{%- endmacro %}
diff --git a/core/dbt/include/global_project/macros/adapters/relation.sql b/core/dbt/include/global_project/macros/adapters/relation.sql
index d02e3e20a26..f0dde7f20f0 100644
--- a/core/dbt/include/global_project/macros/adapters/relation.sql
+++ b/core/dbt/include/global_project/macros/adapters/relation.sql
@@ -31,16 +31,6 @@
     {{ return(backup_relation) }}
 {% endmacro %}
 
-{% macro drop_relation(relation) -%}
-  {{ return(adapter.dispatch('drop_relation', 'dbt')(relation)) }}
-{% endmacro %}
-
-{% macro default__drop_relation(relation) -%}
-  {% call statement('drop_relation', auto_begin=False) -%}
-    drop {{ relation.type }} if exists {{ relation }} cascade
-  {%- endcall %}
-{% endmacro %}
-
 
 {% macro truncate_relation(relation) -%}
   {{ return(adapter.dispatch('truncate_relation', 'dbt')(relation)) }}