Fix the renamed relations code

.changes/unreleased/Under the Hood-20240227-002713.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Add unit test for transaction semantics.
+time: 2024-02-27T00:27:13.299107-08:00
+custom:
+  Author: versusfacit
+  Issue: "722"

dbt/adapters/redshift/relation.py

@@ -1,6 +1,6 @@
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from dbt.adapters.contracts.relation import RelationConfig
-from typing import Optional
+from typing import FrozenSet, Optional
 
 from dbt.adapters.base.relation import BaseRelation
 from dbt.adapters.relation_configs import (
@@ -30,16 +30,20 @@ class RedshiftRelation(BaseRelation):
     relation_configs = {
         RelationType.MaterializedView.value: RedshiftMaterializedViewConfig,
     }
-    renameable_relations = frozenset(
-        {
-            RelationType.View,
-            RelationType.Table,
-        }
+    renameable_relations: FrozenSet[RelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                RelationType.View,
+                RelationType.Table,
+            }
+        )
     )
-    replaceable_relations = frozenset(
-        {
-            RelationType.View,
-        }
+    replaceable_relations: FrozenSet[RelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                RelationType.View,
+            }
+        )
     )
 
     def __post_init__(self):

dev-requirements.txt

@@ -1,6 +1,6 @@
 # install latest changes in dbt-core + dbt-postgres
 git+https://github.com/dbt-labs/dbt-adapters.git
-git+https://github.com/dbt-labs/dbt-adapters.git#subdirectory=dbt-tests-adapter
+git+https://github.com/dbt-labs/dbt-adapters.git@ADAP-108/fix_renamed_relations_for_1.8#subdirectory=dbt-tests-adapter
 git+https://github.com/dbt-labs/dbt-common.git
 git+https://github.com/dbt-labs/dbt-core.git#subdirectory=core
 git+https://github.com/dbt-labs/dbt-postgres.git

tests/unit/test_renamed_relations.py

@@ -0,0 +1,17 @@
+from dbt.adapters.redshift.relation import RedshiftRelation
+from dbt.adapters.contracts.relation import RelationType
+
+
+def test_renameable_relation():
+    relation = RedshiftRelation.create(
+        database="my_db",
+        schema="my_schema",
+        identifier="my_table",
+        type=RelationType.Table,
+    )
+    assert relation.renameable_relations == frozenset(
+        {
+            RelationType.View,
+            RelationType.Table,
+        }
+    )