Update duckdb index files

.gitattributes

@@ -62,3 +62,4 @@ yazhou_20m/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 yazhou_50m/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ltxsba_500m/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 yazhou_70m/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+all/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

all/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4fb34517c2f3fcc390da35bf43acfa3769badf1ac4a360877136e338e7523491
+size 3036688384