Add object to context with compiled code for full refresh

core/dbt/artifacts/resources/v1/components.py

@@ -245,6 +245,7 @@ class CompiledResource(ParsedResource):
     compiled_path: Optional[str] = None
     compiled: bool = False
     compiled_code: Optional[str] = None
+    compiled_code_full_refresh: Optional[str] = None
     extra_ctes_injected: bool = False
     extra_ctes: List[InjectedCTE] = field(default_factory=list)
     _pre_injected_sql: Optional[str] = None

core/dbt/compilation.py

@@ -614,6 +614,15 @@ def _compile_code(
                 node,
             )
 
+            # we update the model context to run in full refresh mode to get the full refresh sql
+            # this is required when on_schema_change is set to full_refresh
+            context["flags"].FULL_REFRESH = True
+            node.compiled_code_full_refresh = jinja.get_rendered(
+                node.raw_code,
+                context,
+                node,
+            )
+
         node.compiled = True
 
         # relation_name is set at parse time, except for tests without store_failures,

core/dbt/context/providers.py

@@ -1658,6 +1658,13 @@ def sql(self) -> Optional[str]:
         else:
             return None
 
+    @contextproperty()
+    def sql_full_refresh(self) -> Optional[str]:
+        if self.model.language == ModelLanguage.sql:  # type: ignore[union-attr]
+            return self.model.compiled_code_full_refresh
+        else:
+            return None
+
     @contextproperty()
     def database(self) -> str:
         return getattr(self.model, "database", self.config.credentials.database)