Revert "Reverting previous two commits"

This reverts commit 706d6e8.

Author: edmondop

datafusion/expr/src/test/function_stub.rs

@@ -328,7 +328,7 @@ impl Default for Min {
 impl Min {
     pub fn new() -> Self {
         Self {
-            aliases: vec!["MIN".to_string()],
+            aliases: vec!["min".to_string()],
             signature: Signature::variadic_any(Volatility::Immutable),
         }
     }
@@ -340,7 +340,7 @@ impl AggregateUDFImpl for Min {
     }
 
     fn name(&self) -> &str {
-        "min"
+        "MIN"
     }
 
     fn signature(&self) -> &Signature {
@@ -399,7 +399,7 @@ pub struct Max {
 
 impl std::fmt::Debug for Max {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        f.debug_struct("Max")
+        f.debug_struct("Min")
             .field("name", &self.name())
             .field("signature", &self.signature)
             .finish()
@@ -415,7 +415,7 @@ impl Default for Max {
 impl Max {
     pub fn new() -> Self {
         Self {
-            aliases: vec!["MAX".to_string()],
+            aliases: vec!["max".to_string()],
             signature: Signature::variadic_any(Volatility::Immutable),
         }
     }
@@ -427,7 +427,7 @@ impl AggregateUDFImpl for Max {
     }
 
     fn name(&self) -> &str {
-        "max"
+        "MAX"
     }
 
     fn signature(&self) -> &Signature {

datafusion/functions-aggregate/src/min_max.rs

@@ -15,7 +15,22 @@
 // under the License.
 
 //! [`Max`] and [`MaxAccumulator`] accumulator for the `max` function
-//! [`Min`] and [`MinAccumulator`] accumulator for the `min` function
+//! [`Min`] and [`MinAccumulator`] accumulator for the `max` function
+
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 use arrow::array::{
     ArrayRef, BinaryArray, BinaryViewArray, BooleanArray, Date32Array, Date64Array,
@@ -77,7 +92,7 @@ pub struct Max {
 impl Max {
     pub fn new() -> Self {
         Self {
-            aliases: vec!["MAX".to_owned()],
+            aliases: vec!["max".to_owned()],
             signature: Signature::user_defined(Volatility::Immutable),
         }
     }
@@ -131,7 +146,7 @@ impl AggregateUDFImpl for Max {
     }
 
     fn name(&self) -> &str {
-        "max"
+        "MAX"
     }
 
     fn signature(&self) -> &Signature {
@@ -883,7 +898,7 @@ impl Min {
     pub fn new() -> Self {
         Self {
             signature: Signature::user_defined(Volatility::Immutable),
-            aliases: vec!["MIN".to_owned()],
+            aliases: vec!["min".to_owned()],
         }
     }
 }
@@ -900,7 +915,7 @@ impl AggregateUDFImpl for Min {
     }
 
     fn name(&self) -> &str {
-        "min"
+        "MIN"
     }
 
     fn signature(&self) -> &Signature {