Update duckdb index files

.gitattributes

@@ -161,3 +161,4 @@ default/train/0046.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0047.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0048.parquet filter=lfs diff=lfs merge=lfs -text
 default/train/0049.parquet filter=lfs diff=lfs merge=lfs -text
+default/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dfae810f5e41b36b7074220cf2ede3ccc497756ad4e1942973aebe2bf4d9bb6c
+size 2645831680