jonahgao commented on code in PR #13674:
URL: https://github.com/apache/datafusion/pull/13674#discussion_r1872674335
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datafusion/expr/src/test/function_stub.rs:
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@@ -39,19 +39,14 @@ use crate::{
macro_rules! create_func {
($UDAF:ty, $AGGREGATE_UDF_FN:ident) => {
paste::paste! {
- /// Singleton instance of [$UDAF], ensures the UDAF is only
created once
- /// named STATIC_$(UDAF). For example `STATIC_FirstValue`
- #[allow(non_upper_case_globals)]
- static [< STATIC_ $UDAF >]:
std::sync::OnceLock<std::sync::Arc<crate::AggregateUDF>> =
- std::sync::OnceLock::new();
-
#[doc = concat!("AggregateFunction that returns a
[AggregateUDF](crate::AggregateUDF) for [`", stringify!($UDAF), "`]")]
pub fn $AGGREGATE_UDF_FN() -> std::sync::Arc<crate::AggregateUDF> {
- [< STATIC_ $UDAF >]
- .get_or_init(|| {
+ /// Singleton instance of [$UDAF], ensures the UDAF is only
created once
+ static INSTANCE:
std::sync::LazyLock<std::sync::Arc<crate::AggregateUDF>> =
Review Comment:
Narrow the scope to inside the function, so we can use a simpler name.
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