org.apache.hadoop.hive.ql.udf.generic.GenericUDFToUtcTimestamp Maven / Gradle / Ivy
/**
* 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.generic;
import org.apache.hadoop.hive.ql.exec.Description;
@Description(name = "to_utc_timestamp",
value = "to_utc_timestamp(timestamp, string timezone) - "
+ "Assumes given timestamp is in given timezone and converts to UTC (as of Hive 0.8.0)")
public class GenericUDFToUtcTimestamp extends
GenericUDFFromUtcTimestamp {
@Override
public String getDisplayString(String[] children) {
StringBuilder sb = new StringBuilder();
sb.append("Convert ");
sb.append(children[0]);
sb.append(" from timezone ");
if (children.length > 1) {
sb.append(children[1]);
}
sb.append(" to UTC");
return sb.toString();
}
@Override
public String getName() {
return "to_utc_timestamp";
}
@Override
protected boolean invert() {
return true;
}
}