diff --git a/crudkit/html/templates/crudkit/_macros.html b/crudkit/html/templates/crudkit/_macros.html
index bac6692..127ba0b 100644
--- a/crudkit/html/templates/crudkit/_macros.html
+++ b/crudkit/html/templates/crudkit/_macros.html
@@ -56,7 +56,7 @@
 </li>
 {% else %}
 <li class="page-item">
-    <a class="page-link" hx-get="{{ _rows_url(model, page, per_page, sort, filters, fields_csv) }}" hx-target="#rows"
+    <a class="page-link state-modifier" hx-get="{{ _rows_url(model, page, per_page, sort, filters, fields_csv) }}" hx-target="#rows"
         hx-swap="innerHTML" data-page="{{ page }}" {{ attrs|safe }}>
         {{ label }}
     </a>
@@ -103,18 +103,6 @@
 
         </ul>
     </nav>
-
-    {# keep hidden pager-state in sync with one handler instead of inline click spam #}
-    <script>
-        document.currentScript?.previousElementSibling?.addEventListener?.('click', function (e) {
-            const a = e.target.closest('a.page-link');
-            if (!a) return;
-            const targetPage = a.getAttribute('data-page');
-            if (!targetPage) return;
-            const inp = document.querySelector('#pager-state input[name=page]');
-            if (inp) inp.value = targetPage;
-        }, { capture: true });
-    </script>
     {%- endmacro %}
 
     {% macro form(schema, action, method="POST", obj_id=None, hx=False, csrf_token=None) -%}
diff --git a/crudkit/service.py b/crudkit/service.py
index a62ae18..b45a0e2 100644
--- a/crudkit/service.py
+++ b/crudkit/service.py
@@ -56,7 +56,7 @@ def _apply_dotted_ordering(stmt, Model, sort_tokens):
             rel = current_mapper.relationships.get(rel_name)
             if rel is None:
                 # invalid sort key; skip quietly or raise
-                # raise ValueError(f"Unknown relationship {current_mapper.class_.__name__}.{rel_name}")
+                print(f"Unknown relationship {current_mapper.class_.__name__}.{rel_name}")
                 entity = None
                 break
 
@@ -78,13 +78,20 @@ def _apply_dotted_ordering(stmt, Model, sort_tokens):
             continue
 
         col_name = parts[-1]
-        # Validate final column
-        if col_name not in current_mapper.columns:
-            # raise ValueError(f"Unknown column {current_mapper.class_.__name__}.{col_name}")
-            continue
+        # # Validate final column
+        # if col_name not in current_mapper.columns:
+        #     print(f"Unknown column {current_mapper.class_.__name__}.{col_name}")
+        #     continue
 
-        col = getattr(entity, col_name) if entity is not Model else getattr(Model, col_name)
-        stmt = stmt.order_by(col.desc() if direction == "desc" else col.asc())
+        # col = getattr(entity, col_name) if entity is not Model else getattr(Model, col_name)
+
+        attr = getattr(entity, col_name, None)
+        if attr is None:
+            attr = getattr(current_mapper.class_, col_name, None)
+            if attr is None:
+                print(f"Unknown column {current_mapper.class_.__name__}.{col_name}")
+                continue
+        stmt = stmt.order_by(attr.desc() if direction == "desc" else attr.asc())
 
     return stmt
 
diff --git a/inventory/models/__init__.py b/inventory/models/__init__.py
index 83d2e78..5d6208e 100644
--- a/inventory/models/__init__.py
+++ b/inventory/models/__init__.py
@@ -29,22 +29,9 @@ worklog_images = image_links.worklog_images
 User = users.User
 
 # Now it’s safe to configure mappers and set global eagerloads
-from sqlalchemy.orm import configure_mappers, joinedload, selectinload
+from sqlalchemy.orm import configure_mappers
 configure_mappers()
 
-User.ui_eagerload = (
-    joinedload(User.supervisor),
-    joinedload(User.location).joinedload(Room.room_function),
-)
-
-Room.ui_eagerload = (
-    joinedload(Room.area),
-    joinedload(Room.room_function),
-    selectinload(Room.inventory),
-    selectinload(Room.users)
-)
-
-
 registry = {
     "area": Area,
     "brand": Brand,
diff --git a/inventory/models/rooms.py b/inventory/models/rooms.py
index 0f8df32..e65c62e 100644
--- a/inventory/models/rooms.py
+++ b/inventory/models/rooms.py
@@ -1,12 +1,13 @@
 from typing import Optional, TYPE_CHECKING, List
 if TYPE_CHECKING:
     from .areas import Area
-    from .room_functions import RoomFunction
     from .inventory import Inventory
     from .users import User
 
+from .room_functions import RoomFunction
 from crudkit import CrudMixin
-from sqlalchemy import ForeignKey, Identity, Integer, Unicode
+from sqlalchemy import ForeignKey, Identity, Integer, Unicode, func, select, literal
+from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from . import db
@@ -27,18 +28,6 @@ class Room(db.Model, CrudMixin):
     ui_eagerload = tuple()
     ui_extra_attrs = ('area_id', 'function_id')
 
-    @classmethod
-    def ui_update(cls, session, id_, payload):
-        print(payload)
-        obj = session.get(cls, id_)
-        if not obj:
-            return None
-        obj.name = payload.get("name", obj.name)
-        obj.area_id = payload.get("area_id", obj.area_id)
-        obj.function_id = payload.get("function_id", obj.function_id)
-        session.commit()
-        return obj
-
     def __init__(self, name: Optional[str] = None, area_id: Optional[int] = None, function_id: Optional[int] = None):
         self.name = name
         self.area_id = area_id
@@ -47,8 +36,22 @@ class Room(db.Model, CrudMixin):
     def __repr__(self):
         return f"<Room(id={self.id}, room={repr(self.name)}, area_id={self.area_id}, function_id={self.function_id})>"
 
-    @property
+    @hybrid_property
     def identifier(self):
         name = self.name or ""
-        func = self.room_function.description if self.room_function else ""
-        return f"{name} - {func}".strip(" -")
+        function = self.room_function.description if self.room_function else ""
+        return f"{name} - {function}".strip(" -")
+
+    @identifier.expression
+    def identifier(cls):
+        rf_desc = (
+            select(RoomFunction.description)
+            .where(RoomFunction.id == cls.function_id)
+            .correlate(cls)
+            .scalar_subquery()
+        )
+        return func.concat(
+            func.coalesce(cls.name, ''),         # left part
+            literal(' - '),                      # separator
+            func.coalesce(rf_desc, '')           # right part via correlated subquery
+        )
diff --git a/inventory/templates/fragments/_table_fragment.html b/inventory/templates/fragments/_table_fragment.html
index ff84d69..b20559b 100644
--- a/inventory/templates/fragments/_table_fragment.html
+++ b/inventory/templates/fragments/_table_fragment.html
@@ -70,7 +70,9 @@ refresh_url=none, model=none, sort=none) %}
         <thead class="sticky-top">
             <tr>
                 {% for h in headers %}
-                <th class="text-nowrap">{{ h }}</th>
+                <th class="text-nowrap state-modifier" {% if fields %}
+                    hx-get="/ui/{{ model }}/frag/rows?page={{ page }}&per_page={{ per_page }}&fields_csv={{ fields|join(',') }}&sort={{ fields[loop.index0] }}"
+                    hx-target="#rows" hx-swap="innerHTML" hx-trigger="click" data-sort={{ fields[loop.index0] }}{% endif %}>{{ h }}</th>
                 {% endfor %}
             </tr>
         </thead>
@@ -82,7 +84,7 @@ refresh_url=none, model=none, sort=none) %}
         <input type="hidden" name="page" value="{{ page }}">
         <input type="hidden" name="per_page" value="{{ per_page }}">
         <input type="hidden" name="fields_csv" value="{{ fields|join(',') }}">
-        {% if sort %}<input type="hidden" name="sort" value="{{ sort }}">{% endif %}
+        <input type="hidden" name="sort" value="{{ sort }}">
         {% for k,v in (filters or {}).items() %}
         <input type="hidden" name="{{ k }}" value="{{ v }}">
         {% endfor %}
@@ -90,4 +92,31 @@ refresh_url=none, model=none, sort=none) %}
 </div>
 <div id="pager" hx-get="/ui/{{ model }}/frag/pager" hx-include="#pager-state"
     hx-trigger="load, htmx:afterSwap from:#rows" hx-target="#pager" hx-swap="innerHTML"></div>
+
+{# keep hidden pager-state in sync with one handler instead of inline click spam #}
+<script>
+    document.addEventListener('click', function (e) {
+        const a = e.target.closest('a.page-link.state-modifier');
+        const th = e.target.closest('th.state-modifier');
+        if (!a && !th) return;
+
+        // run BEFORE htmx handles the click
+        if (a) {
+            const targetPage = a.dataset.page;
+            if (targetPage) {
+                const inp = document.querySelector('#pager-state input[name=page]');
+                if (inp) inp.value = targetPage;
+            }
+        }
+
+        if (th) {
+            const targetSort = th.dataset.sort;
+            if (targetSort) {
+                const inp = document.querySelector('#pager-state input[name=sort]');
+                if (inp) inp.value = targetSort;
+            }
+        }
+    }, { capture: true });
+</script>
+
 {% endmacro %}
\ No newline at end of file