Defer user bio columns

These can be a decent chunk of data, so we don't need to be joining them
on all the time.

tildes/tildes/models/user/user.py

@@ -116,14 +116,16 @@ class User(DatabaseModel):
     )
     comment_label_weight: Optional[float] = Column(REAL)
     last_exemplary_label_time: Optional[datetime] = Column(TIMESTAMP(timezone=True))
-    _bio_markdown: str = Column(
-        "bio_markdown",
-        Text,
-        CheckConstraint(
-            f"LENGTH(bio_markdown) <= {BIO_MAX_LENGTH}", name="bio_markdown_length"
-        ),
+    _bio_markdown: str = deferred(
+        Column(
+            "bio_markdown",
+            Text,
+            CheckConstraint(
+                f"LENGTH(bio_markdown) <= {BIO_MAX_LENGTH}", name="bio_markdown_length"
+            ),
+        )
     )
-    bio_rendered_html: str = Column(Text)
+    bio_rendered_html: str = deferred(Column(Text))
 
     @hybrid_property
     def filtered_topic_tags(self) -> List[str]:

tildes/tildes/resources/__init__.py

@@ -11,10 +11,12 @@ from tildes.models import DatabaseModel, ModelQuery
 
 def get_resource(request: Request, base_query: ModelQuery) -> DatabaseModel:
     """Prepare and execute base query from a root factory, returning result."""
-    query = base_query.lock_based_on_request_method().join_all_relationships()
-
-    if not request.is_safe_method:
-        query = query.undefer_all_columns()
+    # pylint: disable=unused-argument
+    query = (
+        base_query.lock_based_on_request_method()
+        .join_all_relationships()
+        .undefer_all_columns()
+    )
 
     resource = query.one_or_none()