/*
 * 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.flink.table.runtime.operators.sort;

import org.apache.flink.streaming.api.operators.OneInputStreamOperator;
import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
import org.apache.flink.table.data.RowData;
import org.apache.flink.table.runtime.operators.TableStreamOperator;
import org.apache.flink.table.runtime.util.StreamRecordCollector;
import org.apache.flink.util.Collector;

/** Operator for batch limit. TODO support stopEarly. */
public class LimitOperator extends TableStreamOperator<RowData>
        implements OneInputStreamOperator<RowData, RowData> {

    private final boolean isGlobal;
    private final long limitStart;
    private final long limitEnd;

    private transient Collector<RowData> collector;
    private transient int count = 0;

    public LimitOperator(boolean isGlobal, long limitStart, long limitEnd) {
        this.isGlobal = isGlobal;
        this.limitStart = limitStart;
        this.limitEnd = limitEnd;
    }

    @Override
    public void open() throws Exception {
        super.open();
        this.collector = new StreamRecordCollector<>(output);
    }

    @Override
    public void processElement(StreamRecord<RowData> element) throws Exception {
        if (count < limitEnd) {
            count++;
            if (!isGlobal || count > limitStart) {
                collector.collect(element.getValue());
            }
        }
    }
}

@@ -1113,114 +1113,8 @@
 tor;
-%0Aimport org.apache.flink.table.runtime.util.StreamRecordCollector;%0Aimport org.apache.flink.util.Collector;
 %0A%0A/*
@@ -1404,60 +1404,8 @@
 d;%0A%0A
-    private transient Collector%3CRowData%3E collector;%0A
     
@@ -1632,155 +1632,8 @@
  %7D%0A%0A
-    @Override%0A    public void open() throws Exception %7B%0A        super.open();%0A        this.collector = new StreamRecordCollector%3C%3E(output);%0A    %7D%0A%0A
     
@@ -1847,17 +1847,14 @@
     
-collector
+output
 .col
@@ -1869,19 +1869,8 @@
 ment
-.getValue()
 );%0A 

Remove useless collector in LimitOperator