jonahgao commented on code in PR #13641:
URL: https://github.com/apache/datafusion/pull/13641#discussion_r1869009027
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datafusion/common/src/types/builtin.rs:
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@@ -16,17 +16,17 @@
// under the License.
use crate::types::{LogicalTypeRef, NativeType};
-use std::sync::{Arc, OnceLock};
+use std::sync::{Arc, LazyLock};
macro_rules! singleton {
($name:ident, $getter:ident, $ty:ident) => {
- // TODO: Use LazyLock instead of getter function when MSRV gets bumped
- static $name: OnceLock<LogicalTypeRef> = OnceLock::new();
+ static $name: LazyLock<LogicalTypeRef> =
+ LazyLock::new(|| Arc::new(NativeType::$ty));
#[doc = "Getter for singleton instance of a logical type representing"]
#[doc = concat!("[`NativeType::", stringify!($ty), "`].")]
pub fn $getter() -> LogicalTypeRef {
Review Comment:
Not sure how to evolve this getter function because it hasn't been used
anywhere yet.
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