/**
* 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.hcatalog.mapreduce;
import junit.framework.Assert;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.serde2.thrift.test.IntString;
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.SequenceFile;
import org.apache.pig.ExecType;
import org.apache.pig.PigServer;
import org.apache.pig.data.DataType;
import org.apache.pig.data.Tuple;
import org.apache.pig.impl.logicalLayer.schema.Schema;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.transport.TIOStreamTransport;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.util.Iterator;
public class TestHCatHiveThriftCompatibility extends HCatBaseTest {
private boolean setUpComplete = false;
private Path intStringSeq;
@Before
@Override
public void setUp() throws Exception {
super.setUp();
if (setUpComplete) {
return;
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
TIOStreamTransport transport = new TIOStreamTransport(out);
TBinaryProtocol protocol = new TBinaryProtocol(transport);
IntString intString = new IntString(1, "one", 1);
intString.write(protocol);
BytesWritable bytesWritable = new BytesWritable(out.toByteArray());
intStringSeq = new Path(TEST_DATA_DIR + "/data/intString.seq");
LOG.info("Creating data file: " + intStringSeq);
SequenceFile.Writer seqFileWriter = SequenceFile.createWriter(
intStringSeq.getFileSystem(hiveConf), hiveConf, intStringSeq,
NullWritable.class, BytesWritable.class);
seqFileWriter.append(NullWritable.get(), bytesWritable);
seqFileWriter.close();
setUpComplete = true;
}
/**
* Create a table with no explicit schema and ensure its correctly
* discovered from the thrift struct.
*/
@Test
public void testDynamicCols() throws Exception {
Assert.assertEquals(0, driver.run("drop table if exists test_thrift").getResponseCode());
Assert.assertEquals(0, driver.run(
"create external table test_thrift " +
"partitioned by (year string) " +
"row format serde 'org.apache.hadoop.hive.serde2.thrift.ThriftDeserializer' " +
"with serdeproperties ( " +
" 'serialization.class'='org.apache.hadoop.hive.serde2.thrift.test.IntString', " +
" 'serialization.format'='org.apache.thrift.protocol.TBinaryProtocol') " +
"stored as" +
" inputformat 'org.apache.hadoop.mapred.SequenceFileInputFormat'" +
" outputformat 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'")
.getResponseCode());
Assert.assertEquals(0,
driver.run("alter table test_thrift add partition (year = '2012') location '" +
intStringSeq.getParent() + "'").getResponseCode());
PigServer pigServer = new PigServer(ExecType.LOCAL);
pigServer.registerQuery("A = load 'test_thrift' using org.apache.hcatalog.pig.HCatLoader();");
Schema expectedSchema = new Schema();
expectedSchema.add(new Schema.FieldSchema("myint", DataType.INTEGER));
expectedSchema.add(new Schema.FieldSchema("mystring", DataType.CHARARRAY));
expectedSchema.add(new Schema.FieldSchema("underscore_int", DataType.INTEGER));
expectedSchema.add(new Schema.FieldSchema("year", DataType.CHARARRAY));
Assert.assertEquals(expectedSchema, pigServer.dumpSchema("A"));
Iterator<Tuple> iterator = pigServer.openIterator("A");
Tuple t = iterator.next();
Assert.assertEquals(1, t.get(0));
Assert.assertEquals("one", t.get(1));
Assert.assertEquals(1, t.get(2));
Assert.assertEquals("2012", t.get(3));
Assert.assertFalse(iterator.hasNext());
}
}