/tags/release-0.0.0-rc0/hive/external/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFOPLongDivide.java
Java | 46 lines | 18 code | 5 blank | 23 comment | 4 complexity | 50734b1b1c08b6c98db5aa1e7bc8afca MD5 | raw file
Possible License(s): Apache-2.0, BSD-3-Clause, JSON, CPL-1.0
- /**
- * 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.hadoop.hive.ql.udf;
- import org.apache.hadoop.hive.ql.exec.Description;
- import org.apache.hadoop.hive.ql.exec.UDF;
- import org.apache.hadoop.io.LongWritable;
- /**
- * UDFOPLongDivide.
- *
- */
- @Description(name = "div",
- value = "a _FUNC_ b - Divide a by b rounded to the long integer",
- extended = "Example:\n"
- + " > SELECT 3 _FUNC_ 2 FROM src LIMIT 1;\n" + " 1")
- public class UDFOPLongDivide extends UDF {
- private LongWritable longWritable = new LongWritable();
- public LongWritable evaluate(LongWritable a, LongWritable b) {
- // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":"
- // + b);
- if ((a == null) || (b == null)) {
- return null;
- }
- longWritable.set(a.get() / b.get());
- return longWritable;
- }
- }