chore: fix the export function name

Standing-Man · Standing-Man · commit adede33c27a8 · 2025-07-22T08:40:44.000+08:00
Signed-off-by: Alan Tang &lt;jmtangcs@gmail.com&gt;
diff --git a/datafusion/spark/src/function/datetime/last_day.rs b/datafusion/spark/src/function/datetime/last_day.rs
@@ -52,7 +52,7 @@ impl ScalarUDFImpl for SparkLastDay {
     }
 
     fn name(&self) -> &str {
-        "spark_last_day"
+        "last_day"
     }
 
     fn signature(&self) -> &Signature {

Original file line number	Diff line number	Diff line change
`@@ -52,7 +52,7 @@ impl ScalarUDFImpl for SparkLastDay {`
`52`	`52`	`}`
`53`	`53`
`54`	`54`	`fn name(&self) -> &str {`
`55`		`- "spark_last_day"`
	`55`	`+ "last_day"`
`56`	`56`	`}`
`57`	`57`
`58`	`58`	`fn signature(&self) -> &Signature {`