diff --git a/datafusion/physical-expr/src/aggregate/hyperloglog.rs b/datafusion/physical-expr/src/aggregate/hyperloglog.rs
index bf25ecebcd66..a0d55ca71db1 100644
--- a/datafusion/physical-expr/src/aggregate/hyperloglog.rs
+++ b/datafusion/physical-expr/src/aggregate/hyperloglog.rs
@@ -68,6 +68,15 @@ const SEED: RandomState = RandomState::with_seeds(
     0x0eaea5d736d733a4_u64,
 );
 
+impl<T> Default for HyperLogLog<T>
+where
+    T: Hash + ?Sized,
+{
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl<T> HyperLogLog<T>
 where
     T: Hash + ?Sized,
diff --git a/datafusion/sql/tests/sql_integration.rs b/datafusion/sql/tests/sql_integration.rs
index 1dc0c491fd4e..652011fbac31 100644
--- a/datafusion/sql/tests/sql_integration.rs
+++ b/datafusion/sql/tests/sql_integration.rs
@@ -37,13 +37,6 @@ use datafusion_sql::{
 
 use rstest::rstest;
 
-#[cfg(test)]
-#[ctor::ctor]
-fn init() {
-    // Enable RUST_LOG logging configuration for tests
-    let _ = env_logger::try_init();
-}
-
 #[test]
 fn parse_decimals() {
     let test_data = [
@@ -4161,3 +4154,10 @@ impl TableSource for EmptyTable {
         self.table_schema.clone()
     }
 }
+
+#[cfg(test)]
+#[ctor::ctor]
+fn init() {
+    // Enable RUST_LOG logging configuration for tests
+    let _ = env_logger::try_init();
+}