From c48439b95b6260cc82d86e2d1b1b60c0c0448078 Mon Sep 17 00:00:00 2001
From: Adrian Garcia Badaracco <1755071+adriangb@users.noreply.github.com>
Date: Tue, 5 Aug 2025 13:41:16 -0500
Subject: [PATCH 1/2] Expose JSON_UNION_DATA_TYPE

---
 src/common_union.rs | 4 +++-
 src/lib.rs          | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/common_union.rs b/src/common_union.rs
index 14760d1..b462136 100644
--- a/src/common_union.rs
+++ b/src/common_union.rs
@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use std::sync::{Arc, OnceLock};
+use std::sync::{Arc, LazyLock, OnceLock};
 
 use datafusion::arrow::array::{
     Array, ArrayRef, AsArray, BooleanArray, Float64Array, Int64Array, NullArray, StringArray, UnionArray,
@@ -48,6 +48,8 @@ pub(crate) fn json_from_union_scalar<'a>(
     None
 }
 
+pub static JSON_UNION_DATA_TYPE: LazyLock<DataType> = LazyLock::new(JsonUnion::data_type);
+
 #[derive(Debug)]
 pub(crate) struct JsonUnion {
     bools: Vec<Option<bool>>,
diff --git a/src/lib.rs b/src/lib.rs
index 884fce5..5a9c377 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -21,7 +21,7 @@ mod json_length;
 mod json_object_keys;
 mod rewrite;
 
-pub use common_union::{JsonUnionEncoder, JsonUnionValue};
+pub use common_union::{JsonUnionEncoder, JsonUnionValue, JSON_UNION_DATA_TYPE};
 
 pub mod functions {
     pub use crate::json_as_text::json_as_text;

From 52983716ce5be85f35b1cab4e0576edbfc9479d5 Mon Sep 17 00:00:00 2001
From: Adrian Garcia Badaracco <1755071+adriangb@users.noreply.github.com>
Date: Tue, 5 Aug 2025 13:43:50 -0500
Subject: [PATCH 2/2] minor version bump

---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 4820ca0..2180949 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "datafusion-functions-json"
-version = "0.49.0"
+version = "0.49.1"
 edition = "2021"
 description = "JSON functions for DataFusion"
 readme = "README.md"