/**
* 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.zebra.io;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.LocalFileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.RawLocalFileSystem;
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.zebra.io.BasicTable;
import org.apache.hadoop.zebra.io.TableInserter;
import org.apache.hadoop.zebra.schema.Schema;
import org.apache.hadoop.zebra.types.TypesUtils;
import org.apache.pig.data.DataByteArray;
import org.apache.pig.data.Tuple;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
/**
*
* Test projections on complicated column types.
*
*/
public class TestColumnGroupName3 {
final static String STR_SCHEMA = "s1:bool, s2:int, s3:long, s4:double, s5:string, s6:bytes";
final static String STR_STORAGE = "[s1, s2]; [s3, s4]; [s5, s6]";
private static Configuration conf;
private static Path path;
private static FileSystem fs;
@BeforeClass
public static void setUpOnce() throws IOException {
conf = new Configuration();
conf.setInt("table.output.tfile.minBlock.size", 64 * 1024);
conf.setInt("table.input.split.minSize", 64 * 1024);
conf.set("table.output.tfile.compression", "none");
RawLocalFileSystem rawLFS = new RawLocalFileSystem();
fs = new LocalFileSystem(rawLFS);
path = new Path(fs.getWorkingDirectory(), "TestColumnGroupName");
fs = path.getFileSystem(conf);
// drop any previous tables
BasicTable.drop(path, conf);
BasicTable.Writer writer = new BasicTable.Writer(path, STR_SCHEMA,
STR_STORAGE, conf);
writer.finish();
Schema schema = writer.getSchema();
Tuple tuple = TypesUtils.createTuple(schema);
BasicTable.Writer writer1 = new BasicTable.Writer(path, conf);
int part = 0;
TableInserter inserter = writer1.getInserter("part" + part, true);
TypesUtils.resetTuple(tuple);
// insert data in row 1
int row = 0;
tuple.set(0, true); // bool
tuple.set(1, 1); // int
tuple.set(2, 1001L); // long
tuple.set(3, 1.1); // float
tuple.set(4, "hello world 1"); // string
tuple.set(5, new DataByteArray("hello byte 1")); // byte
inserter.insert(new BytesWritable(String.format("k%d%d", part + 1, row + 1)
.getBytes()), tuple);
// insert data in row 2
row++;
tuple.set(0, false);
tuple.set(1, 2); // int
tuple.set(2, 1002L); // long
tuple.set(3, 3.1); // float
tuple.set(4, "hello world 2"); // string
tuple.set(5, new DataByteArray("hello byte 2")); // byte
inserter.insert(new BytesWritable(String.format("k%d%d", part + 1, row + 1)
.getBytes()), tuple);
// finish building table, closing out the inserter, writer, writer1
inserter.close();
writer1.finish();
writer.close();
}
@AfterClass
public static void tearDownOnce() throws IOException {
BasicTable.drop(path, conf);
}
// Test simple projection
@Test
public void test1() throws IOException, Exception {
BasicTable.dumpInfo(path.toString(), System.out, conf);
}
}