/**
* 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.planner;
/*
* PartitionLocation for the parquet auto partitioning scheme. We just store
* the location of each partition within this class. Since the partition value
* is obtained from the file metadata and not from the location string (like in directory based
* partitioning scheme) we throw UnsupportedOperationException when getPartitionValue() is
* invoked.
*/
public class ParquetPartitionLocation extends SimplePartitionLocation {
private final String file;
public ParquetPartitionLocation(String file) {
this.file = file;
}
/**
* Parquet CTAS auto partitioning scheme does not support getting the partition value
* based on the location string.
* @param index
* @return
*/
@Override
public String getPartitionValue(int index) {
throw new UnsupportedOperationException("Getting partitioning column value from the partition location is not " +
"supported by parquet auto partitioning scheme");
}
/**
* Get the location of this partition
* @return String location of the partition
*/
@Override
public String getEntirePartitionLocation() {
return file;
}
}