// 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.

#ifndef DORIS_BE_SRC_QUERY_EXPRS_UTILITY_FUNCTIONS_H
#define DORIS_BE_SRC_QUERY_EXPRS_UTILITY_FUNCTIONS_H

#include "udf/udf.h"

namespace doris {

class Expr;
class OpcodeRegistry;
class TupleRow;

class UtilityFunctions {
public:
    static void init();
    // Implementation of the version() function. Returns the version string.
    static doris_udf::StringVal version(
        doris_udf::FunctionContext* ctx);

    // Testing function that sleeps for the specified number of milliseconds. Returns true.
    static doris_udf::BooleanVal sleep(
        doris_udf::FunctionContext* ctx, const doris_udf::IntVal& milliseconds);

};

}

#endif
