account for empty table in arrow table filter

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

src/databricks/sql/backend/sea/utils/filters.py

@@ -116,6 +116,9 @@ def _filter_arrow_table(
         if not pyarrow:
             raise ImportError("PyArrow is required for Arrow table filtering")
 
+        if table.num_rows == 0:
+            return table
+
         # Convert allowed_values to PyArrow Array for better performance
         allowed_array = pyarrow.array(allowed_values)