From c668ca5af13536880c72fe00f314e14bb2c96756 Mon Sep 17 00:00:00 2001
From: Mila Page <67295367+VersusFacit@users.noreply.github.com>
Date: Thu, 21 Mar 2024 08:31:24 -0700
Subject: [PATCH]  Fix the renamed relations code (#1125)

* Add test and move semantics.
* Add field import

---------

Co-authored-by: Mila Page <versusfacit@users.noreply.github.com>
Co-authored-by: Mike Alfare <mike.alfare@dbtlabs.com>
Co-authored-by: Mike Alfare <13974384+mikealfare@users.noreply.github.com>
(cherry picked from commit 40024838e58e41385d4b4659fbd677faa5955725)
---
 .../Under the Hood-20240227-004659.yaml       |  6 ++++++
 dbt/adapters/bigquery/relation.py             | 21 +++++++++++++++----
 tests/unit/test_renamed_relations.py          | 16 ++++++++++++++
 3 files changed, 39 insertions(+), 4 deletions(-)
 create mode 100644 .changes/unreleased/Under the Hood-20240227-004659.yaml
 create mode 100644 tests/unit/test_renamed_relations.py

diff --git a/.changes/unreleased/Under the Hood-20240227-004659.yaml b/.changes/unreleased/Under the Hood-20240227-004659.yaml
new file mode 100644
index 000000000..6ef259019
--- /dev/null
+++ b/.changes/unreleased/Under the Hood-20240227-004659.yaml	
@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Add unit test for transaction semantics.
+time: 2024-02-27T00:46:59.188231-08:00
+custom:
+  Author: versusfacit
+  Issue: "1123"
diff --git a/dbt/adapters/bigquery/relation.py b/dbt/adapters/bigquery/relation.py
index c14dba238..0673fd06d 100644
--- a/dbt/adapters/bigquery/relation.py
+++ b/dbt/adapters/bigquery/relation.py
@@ -1,4 +1,4 @@
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import FrozenSet, Optional, TypeVar
 
 from itertools import chain, islice
@@ -25,9 +25,22 @@
 class BigQueryRelation(BaseRelation):
     quote_character: str = "`"
     location: Optional[str] = None
-    renameable_relations: FrozenSet[RelationType] = frozenset({RelationType.Table})
-    replaceable_relations: FrozenSet[RelationType] = frozenset(
-        {RelationType.Table, RelationType.View}
+
+    renameable_relations: FrozenSet[RelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                RelationType.Table,
+            }
+        )
+    )
+
+    replaceable_relations: FrozenSet[RelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                RelationType.View,
+                RelationType.Table,
+            }
+        )
     )
 
     def matches(
diff --git a/tests/unit/test_renamed_relations.py b/tests/unit/test_renamed_relations.py
new file mode 100644
index 000000000..8e787e6a3
--- /dev/null
+++ b/tests/unit/test_renamed_relations.py
@@ -0,0 +1,16 @@
+from dbt.adapters.bigquery.relation import BigQueryRelation
+from dbt.adapters.contracts.relation import RelationType
+
+
+def test_renameable_relation():
+    relation = BigQueryRelation.create(
+        database="my_db",
+        schema="my_schema",
+        identifier="my_table",
+        type=RelationType.Table,
+    )
+    assert relation.renameable_relations == frozenset(
+        {
+            RelationType.Table,
+        }
+    )