From cf2381554d6539b36e7bf8a663ea1c19348deeb4 Mon Sep 17 00:00:00 2001
From: Ritchie Vink <ritchie46@gmail.com>
Date: Tue, 19 Jul 2022 10:16:21 +0200
Subject: [PATCH 1/3] implement Default for Utf8Array

---
 src/array/utf8/mod.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/array/utf8/mod.rs b/src/array/utf8/mod.rs
index 69c5af6e8f0..c4ebbb3e25d 100644
--- a/src/array/utf8/mod.rs
+++ b/src/array/utf8/mod.rs
@@ -590,3 +590,14 @@ unsafe impl<O: Offset> GenericBinaryArray<O> for Utf8Array<O> {
         self.offsets()
     }
 }
+
+impl<O: Offset> Default for Utf8Array<O> {
+    fn default() -> Self {
+        let data_type = if O::IS_LARGE {
+            DataType::LargeUtf8
+        } else {
+            DataType::Utf8
+        };
+        Utf8Array::new(data_type, Default::default(), Default::default(), None)
+    }
+}

From b18e3d8f25159c71a6259d3058f619ceb14c2387 Mon Sep 17 00:00:00 2001
From: Ritchie Vink <ritchie46@gmail.com>
Date: Tue, 19 Jul 2022 22:02:03 +0200
Subject: [PATCH 2/3] Update src/array/utf8/mod.rs

Co-authored-by: Jorge Leitao <jorgecarleitao@gmail.com>
---
 src/array/utf8/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/array/utf8/mod.rs b/src/array/utf8/mod.rs
index c4ebbb3e25d..bfe273be657 100644
--- a/src/array/utf8/mod.rs
+++ b/src/array/utf8/mod.rs
@@ -598,6 +598,6 @@ impl<O: Offset> Default for Utf8Array<O> {
         } else {
             DataType::Utf8
         };
-        Utf8Array::new(data_type, Default::default(), Default::default(), None)
+        Utf8Array::new(data_type, vec![0].into(), Default::default(), None)
     }
 }

From 3a631299a30ed6ad4b23680e2ce744c89a89b400 Mon Sep 17 00:00:00 2001
From: Ritchie Vink <ritchie46@gmail.com>
Date: Wed, 20 Jul 2022 07:56:52 +0200
Subject: [PATCH 3/3] use Offset trait

---
 src/array/utf8/mod.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/array/utf8/mod.rs b/src/array/utf8/mod.rs
index bfe273be657..67c6c9c3a39 100644
--- a/src/array/utf8/mod.rs
+++ b/src/array/utf8/mod.rs
@@ -598,6 +598,11 @@ impl<O: Offset> Default for Utf8Array<O> {
         } else {
             DataType::Utf8
         };
-        Utf8Array::new(data_type, vec![0].into(), Default::default(), None)
+        Utf8Array::new(
+            data_type,
+            vec![O::from_usize(0).unwrap()].into(),
+            Default::default(),
+            None,
+        )
     }
 }