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// 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.impala;
import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.hadoop.io.IntWritable;
import java.lang.System;
public class JavaGcUdfTest extends UDF {
public JavaGcUdfTest() {}
public IntWritable evaluate(IntWritable a) {
if (a == null) return null;
gc();
return new IntWritable(a.get());
}
private void gc() {
for (int i = 0; i < 100; i++) {
int[] gc_array = new int[100];
}
System.gc();
}
}