/tags/release-0.1-rc2/hive/external/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFToDate.java
Java | 99 lines | 62 code | 13 blank | 24 comment | 21 complexity | 92d61c4d8f1a57a397bdb74c854522e8 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.UDF;
- /**
- * UDFToDate.
- *
- */
- public class UDFToDate extends UDF {
- public UDFToDate() {
- }
- public java.sql.Date evaluate(String i) {
- if (i == null) {
- return null;
- } else {
- try {
- // Supported format: "YYYY-MM-DD"
- return java.sql.Date.valueOf(i);
- } catch (IllegalArgumentException e) {
- // We return NULL when the string is in a wrong format, which is
- // conservative.
- return null;
- }
- }
- }
- public java.sql.Date evaluate(Void i) {
- return null;
- }
- public java.sql.Date evaluate(Byte i) {
- if (i == null) {
- return null;
- } else {
- return new java.sql.Date(i.longValue());
- }
- }
- public java.sql.Date evaluate(Short i) {
- if (i == null) {
- return null;
- } else {
- return new java.sql.Date(i.longValue());
- }
- }
- public java.sql.Date evaluate(Integer i) {
- if (i == null) {
- return null;
- } else {
- return new java.sql.Date(i.longValue());
- }
- }
- public java.sql.Date evaluate(Long i) {
- if (i == null) {
- return null;
- } else {
- return new java.sql.Date(i.longValue());
- }
- }
- public java.sql.Date evaluate(Float i) {
- if (i == null) {
- return null;
- } else {
- return new java.sql.Date(i.longValue());
- }
- }
- public java.sql.Date evaluate(Double i) {
- if (i == null) {
- return null;
- } else {
- return new java.sql.Date(i.longValue());
- }
- }
- }