[Feature](function) Support array_compact function (#14141)

be/src/vec/functions/array/function_array_compact.cpp

@@ -0,0 +1,28 @@
+// 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.
+
+#include "vec/functions/array/function_array_compact.h"
+
+#include "vec/functions/simple_function_factory.h"
+
+namespace doris::vectorized {
+
+void register_function_array_compact(SimpleFunctionFactory& factory) {
+    factory.register_function<FunctionArrayCompact>();
+}
+
+} // namespace doris::vectorized