Reverting previous two commits

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("Min")
+        f.debug_struct("Max")
             .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

@@ -15,22 +15,7 @@
 // under the License.
 
 //! [`Max`] and [`MaxAccumulator`] accumulator for the `max` 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.
+//! [`Min`] and [`MinAccumulator`] accumulator for the `min` function
 
 use arrow::array::{
     ArrayRef, BinaryArray, BinaryViewArray, BooleanArray, Date32Array, Date64Array,
@@ -92,7 +77,7 @@ 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),
         }
     }
@@ -146,7 +131,7 @@ impl AggregateUDFImpl for Max {
     }
 
     fn name(&self) -> &str {
-        "MAX"
+        "max"
     }
 
     fn signature(&self) -> &Signature {
@@ -898,7 +883,7 @@ impl Min {
     pub fn new() -> Self {
         Self {
             signature: Signature::user_defined(Volatility::Immutable),
-            aliases: vec!["min".to_owned()],
+            aliases: vec!["MIN".to_owned()],
         }
     }
 }
@@ -915,7 +900,7 @@ impl AggregateUDFImpl for Min {
     }
 
     fn name(&self) -> &str {
-        "MIN"
+        "min"
     }
 
     fn signature(&self) -> &Signature {