[feature](Nereids): Support any_value/any function. (#15450)

fe/fe-core/src/main/java/org/apache/doris/catalog/BuiltinAggregateFunctions.java

@@ -17,6 +17,7 @@
 
 package org.apache.doris.catalog;
 
+import org.apache.doris.nereids.trees.expressions.functions.agg.AnyValue;
 import org.apache.doris.nereids.trees.expressions.functions.agg.ApproxCountDistinct;
 import org.apache.doris.nereids.trees.expressions.functions.agg.Avg;
 import org.apache.doris.nereids.trees.expressions.functions.agg.BitmapIntersect;
@@ -66,7 +67,8 @@ public class BuiltinAggregateFunctions implements FunctionHelper {
             agg(Ndv.class),
             agg(Sum.class),
             agg(Variance.class, "variance", "variance_pop", "var_pop"),
-            agg(VarianceSamp.class, "variance_samp", "var_samp")
+            agg(VarianceSamp.class, "variance_samp", "var_samp"),
+            agg(AnyValue.class, "any_value", "any")
     );
 
     public static final BuiltinAggregateFunctions INSTANCE = new BuiltinAggregateFunctions();

fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/AnyValue.java

@@ -0,0 +1,73 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// 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.
+
+package org.apache.doris.nereids.trees.expressions.functions.agg;
+
+import org.apache.doris.catalog.FunctionSignature;
+import org.apache.doris.nereids.trees.expressions.Expression;
+import org.apache.doris.nereids.trees.expressions.functions.CustomSignature;
+import org.apache.doris.nereids.trees.expressions.functions.PropagateNullable;
+import org.apache.doris.nereids.trees.expressions.shape.UnaryExpression;
+import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
+import org.apache.doris.nereids.types.DataType;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableList;
+
+import java.util.List;
+
+/**
+ * any_value agg function.
+ */
+public class AnyValue extends AggregateFunction implements UnaryExpression, PropagateNullable, CustomSignature {
+
+    public AnyValue(Expression child) {
+        super("any_value", child);
+    }
+
+    public AnyValue(boolean isDistinct, Expression arg) {
+        super("any_value", false, arg);
+    }
+
+    @Override
+    public FunctionSignature customSignature() {
+        DataType dataType = getArgument(0).getDataType();
+        return FunctionSignature.ret(dataType).args(dataType);
+    }
+
+    @Override
+    protected List<DataType> intermediateTypes() {
+        return ImmutableList.of(getDataType());
+    }
+
+    @Override
+    public AnyValue withDistinctAndChildren(boolean isDistinct, List<Expression> children) {
+        Preconditions.checkArgument(children.size() == 1);
+        return new AnyValue(isDistinct, children.get(0));
+    }
+
+    @Override
+    public AnyValue withChildren(List<Expression> children) {
+        Preconditions.checkArgument(children.size() == 1);
+        return new AnyValue(children.get(0));
+    }
+
+    @Override
+    public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
+        return visitor.visitAnyValue(this, context);
+    }
+}

fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/visitor/AggregateFunctionVisitor.java

@@ -18,6 +18,7 @@
 package org.apache.doris.nereids.trees.expressions.visitor;
 
 import org.apache.doris.nereids.trees.expressions.functions.agg.AggregateFunction;
+import org.apache.doris.nereids.trees.expressions.functions.agg.AnyValue;
 import org.apache.doris.nereids.trees.expressions.functions.agg.ApproxCountDistinct;
 import org.apache.doris.nereids.trees.expressions.functions.agg.Avg;
 import org.apache.doris.nereids.trees.expressions.functions.agg.BitmapUnionCount;
@@ -109,4 +110,8 @@ public interface AggregateFunctionVisitor<R, C> {
     default R visitApproxCountDistinct(ApproxCountDistinct approxCountDistinct, C context) {
         return visitAggregateFunction(approxCountDistinct, context);
     }
+
+    default R visitAnyValue(AnyValue anyValue, C context) {
+        return visitAggregateFunction(anyValue, context);
+    }
 }