Update duckdb index files

zhoujun--hitab/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c62686713d995a434f3f53c6eddab18f074b339c2ea900d64de7ccbdec85e2a6
-size 9449472
+oid sha256:d2bd9638c57b3c116fc88cdf0c5a902fb5d57b09d355c839295fa3cbe606c3a2
+size 8925184