| /** |
| * 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.tajo.storage; |
| |
| import com.google.common.collect.Sets; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.tajo.TajoTestingCluster; |
| import org.apache.tajo.TpchTestBase; |
| import org.apache.tajo.catalog.CatalogUtil; |
| import org.apache.tajo.catalog.Schema; |
| import org.apache.tajo.catalog.SchemaBuilder; |
| import org.apache.tajo.catalog.TableMeta; |
| import org.apache.tajo.catalog.statistics.TableStats; |
| import org.apache.tajo.common.TajoDataTypes.Type; |
| import org.apache.tajo.conf.TajoConf; |
| import org.apache.tajo.datum.Datum; |
| import org.apache.tajo.datum.DatumFactory; |
| import org.apache.tajo.storage.fragment.FileFragment; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.Set; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class TestRowFile { |
| private static final Log LOG = LogFactory.getLog(TestRowFile.class); |
| |
| private TajoTestingCluster cluster; |
| private TajoConf conf; |
| |
| @Before |
| public void setup() throws Exception { |
| cluster = TpchTestBase.getInstance().getTestingCluster(); |
| conf = cluster.getConfiguration(); |
| } |
| |
| @After |
| public void teardown() throws Exception { |
| } |
| |
| @Test |
| public void test() throws IOException { |
| Schema schema = SchemaBuilder.builder() |
| .add("id", Type.INT4) |
| .add("age", Type.INT8) |
| .add("description", Type.TEXT) |
| .build(); |
| |
| TableMeta meta = CatalogUtil.newTableMeta("ROWFILE"); |
| |
| FileTablespace sm = (FileTablespace) TablespaceManager.get(cluster.getDefaultFileSystem().getUri()); |
| |
| Path tablePath = new Path("/test"); |
| Path dataPath = new Path(tablePath, "test.tbl"); |
| FileSystem fs = sm.getFileSystem(); |
| fs.mkdirs(tablePath); |
| |
| Appender appender = sm.getAppender(meta, schema, dataPath); |
| appender.enableStats(); |
| appender.init(); |
| |
| int tupleNum = 200; |
| Tuple tuple; |
| Datum stringDatum = DatumFactory.createText("abcdefghijklmnopqrstuvwxyz"); |
| Set<Integer> idSet = Sets.newHashSet(); |
| |
| tuple = new VTuple(3); |
| long start = System.currentTimeMillis(); |
| for(int i = 0; i < tupleNum; i++) { |
| tuple.put(0, DatumFactory.createInt4(i + 1)); |
| tuple.put(1, DatumFactory.createInt8(25l)); |
| tuple.put(2, stringDatum); |
| appender.addTuple(tuple); |
| idSet.add(i+1); |
| } |
| appender.close(); |
| |
| TableStats stat = appender.getStats(); |
| assertEquals(tupleNum, stat.getNumRows().longValue()); |
| |
| FileStatus file = fs.getFileStatus(dataPath); |
| FileFragment fragment = new FileFragment("test.tbl", dataPath, 0, file.getLen()); |
| |
| int tupleCnt = 0; |
| start = System.currentTimeMillis(); |
| Scanner scanner = sm.getScanner(meta, schema, fragment, null); |
| scanner.init(); |
| while ((tuple=scanner.next()) != null) { |
| tupleCnt++; |
| } |
| scanner.close(); |
| |
| assertEquals(tupleNum, tupleCnt); |
| |
| tupleCnt = 0; |
| long fileStart = 0; |
| long fileLen = file.getLen()/13; |
| |
| for (int i = 0; i < 13; i++) { |
| fragment = new FileFragment("test.tbl", dataPath, fileStart, fileLen); |
| scanner = new RowFile.RowFileScanner(conf, schema, meta, fragment); |
| scanner.init(); |
| while ((tuple=scanner.next()) != null) { |
| if (!idSet.remove(tuple.getInt4(0)) && LOG.isDebugEnabled()) { |
| LOG.debug("duplicated! " + tuple.getInt4(0)); |
| } |
| tupleCnt++; |
| } |
| scanner.close(); |
| fileStart += fileLen; |
| if (i == 11) { |
| fileLen = file.getLen() - fileStart; |
| } |
| } |
| assertEquals(tupleNum, tupleCnt); |
| } |
| } |