| /* |
| * 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.drill.exec.physical.impl.scan.convert; |
| |
| import java.math.BigDecimal; |
| import java.util.Map; |
| |
| import org.apache.drill.exec.vector.accessor.InvalidConversionError; |
| import org.apache.drill.exec.vector.accessor.ScalarWriter; |
| |
| /** |
| * Convert a VARCHAR column to an decimal column following the Java rules |
| * for parsing integers (i.e. no formatting.) This conversion works |
| * for any decimal type: the modern VARDECIMAL or the deprecated |
| * DECIMAL9, DECIMAL18, etc. types. |
| */ |
| public class ConvertStringToDecimal extends AbstractConvertFromString { |
| |
| public ConvertStringToDecimal(ScalarWriter baseWriter, |
| Map<String, String> properties) { |
| super(baseWriter, properties); |
| } |
| |
| @Override |
| public void setString(final String value) { |
| final String prepared = prepare.apply(value); |
| if (prepared == null) { |
| return; |
| } |
| try { |
| baseWriter.setDecimal(new BigDecimal(prepared)); |
| } |
| catch (final NumberFormatException e) { |
| throw InvalidConversionError.writeError(schema(), value, e); |
| } |
| } |
| } |