Update duckdb index files

xusenlin--cmeee/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:27d439037c1d3d97cdce672f7aaa2eb8352bc2289eb9e82ec60454339853be5a
-size 4730880
+oid sha256:cfdf6bc0f80c264ae5ab6e8c6c2d0ad13dd9e46e2fc192cd31508e823a058b02
+size 7352320