Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+liuqingwen--github-issues/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

liuqingwen--github-issues/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fac277bc8d65e77fda8cc38caabb2b8258675021783d6ad143c318e02732a79e
+size 11022336