Update duckdb index files

multiIR--toy_data/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f753ef0db9b4526a915cf323155e17c930b61e57c6caea0ee9c1a4565a2a7957
-size 443559936
+oid sha256:f6572c3320de6591f17c9b370870413113478fb17787328d5ba6bbcbcf93209a
+size 441724928