/* * 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.pig.piggybank.evaluation.string; import java.io.IOException; import org.apache.pig.EvalFunc; import org.apache.pig.PigWarning; import org.apache.pig.data.Tuple; import org.apache.pig.data.DataType; import org.apache.pig.impl.logicalLayer.schema.Schema; /** * string.SUBSTRING implements eval function to get a part of a string. * Example:<code> * register pigudfs.jar; * A = load 'mydata' as (name); * B = foreach A generate string.SUBSTRING(name, 10, 12); * dump B; * </code> * First argument is the string to take a substring of.<br> * Second argument is the index of the first character of substring.<br> * Third argument is the index of the last character of substring.<br> * if the last argument is past the end of the string, substring of (beginIndex, length(str)) is returned. */ /** * @deprecated Use {@link org.apache.pig.builtin.SUBSTRING} */ @Deprecated public class SUBSTRING extends org.apache.pig.builtin.SUBSTRING {}