add limit

apache · Apr 19, 2024 · a5febdb · a5febdb
1 parent 6c7231e
commit a5febdb
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/docs/velox-backend-limitations.md b/docs/velox-backend-limitations.md
@@ -155,3 +155,6 @@ Gluten's.
 - Complex types
   - Parquet scan of nested array with struct or array as element type is not supported in Velox (fallback behavior).
   - Parquet scan of nested map with struct as key type, or array type as value type is not supported in Velox (fallback behavior).
+
+### CSV Read
+The header option should be true. Not support user defined read option, will fallback to vanilla Spark in most case.  Will throw exception if user specifies schema.