fix(index): retain RaBitQ layout with the updated core

python/python/lancedb/index.py

@@ -897,6 +897,7 @@ class IvfRq:
 
     target_partition_size: int, default is 8192
         Target size of each partition.
+
     accelerator: Optional[str], default None
         Reserved for accelerator support. IVF RQ currently builds on CPU,
         preserving all configured index options.

python/python/lancedb/table.py

@@ -3639,7 +3639,6 @@ class LanceTable(Table):
                         replace=replace,
                         accelerator=acc,
                         num_bits=getattr(config, "num_bits", 8),
-                        layered=getattr(config, "layered", None),
                         m=getattr(config, "m", 20),
                         ef_construction=getattr(config, "ef_construction", 300),
                         target_partition_size=getattr(

python/python/tests/test_index.py

@@ -457,7 +457,11 @@ def test_create_ivfrq_accelerator_preserves_layout(tmp_path, num_bits, layered):
     data = pa.table(
         {
             "id": range(len(vectors)),
-            "vector": pa.FixedSizeListArray.from_arrays(pa.array(vectors.ravel()), 32),
+            "vector": pa.FixedSizeListArray.from_arrays(
+                pa.array(vectors.ravel()),
+                32,
+                mask=pa.array([row in (127, 255) for row in range(len(vectors))]),
+            ),
         }
     )
     db = connect(tmp_path)