flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/aggfunctions/Ordering.scala

/*
 * 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
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 */

package org.apache.flink.table.functions.aggfunctions

import java.sql.{Date, Time, Timestamp}

object Ordering {
  implicit object TimestampOrdering extends Ordering[Timestamp] {
    override def compare(x: Timestamp, y: Timestamp): Int = x.compareTo(y)
  }

  implicit object DateOrdering extends Ordering[Date] {
    override def compare(x: Date, y: Date): Int = x.compareTo(y)
  }

  implicit object TimeOrdering extends Ordering[Time] {
    override def compare(x: Time, y: Time): Int = x.compareTo(y)
  }
}