Update duckdb index files

vvtq--toy/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:539171aefc772f93dbb297536e6effd7260be4f827b76372bffff6df79ab532f
-size 8138752
+oid sha256:a554120ece4a2daac58aa8cba3ea676ace132387c5b97c5d6cbd65ee9a5eea3a
+size 17838080