(arrow-rs) branch master updated: implement new null for view types (#5894)

[alamb]

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alamb pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/arrow-rs.git


The following commit(s) were added to refs/heads/master by this push:
     new c7513bd7a96 implement new null for view types (#5894)
c7513bd7a96 is described below

commit c7513bd7a963a6b925e833892869d5fae0db3c62
Author: Xiangpeng Hao <haoxiangpeng...@gmail.com>
AuthorDate: Sat Jun 15 13:03:53 2024 -0400

    implement new null for view types (#5894)
---
 arrow-data/src/data.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arrow-data/src/data.rs b/arrow-data/src/data.rs
index 12fe4968d5a..b6ff4518e0a 100644
--- a/arrow-data/src/data.rs
+++ b/arrow-data/src/data.rs
@@ -573,6 +573,7 @@ impl ArrayData {
                 DataType::Binary | DataType::Utf8 => {
                     (vec![zeroed((len + 1) * 4), zeroed(0)], vec![], true)
                 }
+                DataType::BinaryView | DataType::Utf8View => (vec![zeroed(len 
* 16)], vec![], true),
                 DataType::LargeBinary | DataType::LargeUtf8 => {
                     (vec![zeroed((len + 1) * 8), zeroed(0)], vec![], true)
                 }
@@ -2209,4 +2210,20 @@ mod tests {
         data.align_buffers();
         data.validate_full().unwrap();
     }
+
+    #[test]
+    fn test_null_view_types() {
+        let array_len = 32;
+        let array = ArrayData::new_null(&DataType::BinaryView, array_len);
+        assert_eq!(array.len(), array_len);
+        for i in 0..array.len() {
+            assert!(array.is_null(i));
+        }
+
+        let array = ArrayData::new_null(&DataType::Utf8View, array_len);
+        assert_eq!(array.len(), array_len);
+        for i in 0..array.len() {
+            assert!(array.is_null(i));
+        }
+    }
 }