| /* |
| * 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.accumulo.test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.apache.accumulo.core.client.Accumulo; |
| import org.apache.accumulo.core.client.AccumuloClient; |
| import org.apache.accumulo.core.client.BatchScanner; |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.IteratorSetting; |
| import org.apache.accumulo.core.client.Scanner; |
| import org.apache.accumulo.core.conf.Property; |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.data.PartialKey; |
| import org.apache.accumulo.core.data.Range; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.core.iterators.OrIterator; |
| import org.apache.accumulo.harness.AccumuloClusterHarness; |
| import org.apache.hadoop.io.Text; |
| import org.junit.Test; |
| |
| public class OrIteratorIT extends AccumuloClusterHarness { |
| private static final String EMPTY = ""; |
| |
| @Override |
| public int defaultTimeoutSeconds() { |
| return 60; |
| } |
| |
| @Test |
| public void testMultipleRowsInTablet() throws Exception { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| final String tableName = getUniqueNames(1)[0]; |
| client.tableOperations().create(tableName); |
| |
| try (BatchWriter bw = client.createBatchWriter(tableName)) { |
| Mutation m = new Mutation("row1"); |
| m.put("bob", "2", EMPTY); |
| m.put("frank", "3", EMPTY); |
| m.put("steve", "1", EMPTY); |
| bw.addMutation(m); |
| |
| m = new Mutation("row2"); |
| m.put("bob", "7", EMPTY); |
| m.put("eddie", "4", EMPTY); |
| m.put("mort", "6", EMPTY); |
| m.put("zed", "5", EMPTY); |
| bw.addMutation(m); |
| } |
| |
| IteratorSetting is = new IteratorSetting(50, OrIterator.class); |
| is.addOption(OrIterator.COLUMNS_KEY, "mort,frank"); |
| Map<String,String> expectedData = new HashMap<>(); |
| expectedData.put("frank", "3"); |
| expectedData.put("mort", "6"); |
| |
| try (BatchScanner bs = client.createBatchScanner(tableName)) { |
| Set<Range> ranges = new HashSet<>(Arrays.asList(Range.exact("row1"), Range.exact("row2"))); |
| bs.setRanges(ranges); |
| bs.addScanIterator(is); |
| for (Entry<Key,Value> entry : bs) { |
| String term = entry.getKey().getColumnFamily().toString(); |
| String expectedDocId = expectedData.remove(term); |
| assertNotNull("Found unexpected term: " + term, expectedDocId); |
| assertEquals(expectedDocId, entry.getKey().getColumnQualifier().toString()); |
| } |
| assertTrue("Expected no leftover entries but saw " + expectedData, expectedData.isEmpty()); |
| } |
| } |
| } |
| |
| @Test |
| public void testMultipleTablets() throws Exception { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| final String tableName = getUniqueNames(1)[0]; |
| client.tableOperations().create(tableName); |
| |
| try (BatchWriter bw = client.createBatchWriter(tableName)) { |
| Mutation m = new Mutation("row1"); |
| m.put("bob", "2", EMPTY); |
| m.put("frank", "3", EMPTY); |
| m.put("steve", "1", EMPTY); |
| bw.addMutation(m); |
| |
| m = new Mutation("row2"); |
| m.put("bob", "7", EMPTY); |
| m.put("eddie", "4", EMPTY); |
| m.put("mort", "6", EMPTY); |
| m.put("zed", "5", EMPTY); |
| bw.addMutation(m); |
| |
| m = new Mutation("row3"); |
| m.put("carl", "9", EMPTY); |
| m.put("george", "8", EMPTY); |
| m.put("nick", "3", EMPTY); |
| m.put("zed", "1", EMPTY); |
| bw.addMutation(m); |
| } |
| |
| client.tableOperations().addSplits(tableName, |
| new TreeSet<>(Arrays.asList(new Text("row2"), new Text("row3")))); |
| |
| IteratorSetting is = new IteratorSetting(50, OrIterator.class); |
| is.addOption(OrIterator.COLUMNS_KEY, "mort,frank,nick"); |
| Map<String,String> expectedData = new HashMap<>(); |
| expectedData.put("frank", "3"); |
| expectedData.put("mort", "6"); |
| expectedData.put("nick", "3"); |
| |
| try (BatchScanner bs = client.createBatchScanner(tableName)) { |
| bs.setRanges(Collections.singleton(new Range())); |
| bs.addScanIterator(is); |
| for (Entry<Key,Value> entry : bs) { |
| String term = entry.getKey().getColumnFamily().toString(); |
| String expectedDocId = expectedData.remove(term); |
| assertNotNull("Found unexpected term: " + term, expectedDocId); |
| assertEquals(expectedDocId, entry.getKey().getColumnQualifier().toString()); |
| } |
| assertTrue("Expected no leftover entries but saw " + expectedData, expectedData.isEmpty()); |
| } |
| } |
| } |
| |
| @Test |
| public void testSingleLargeRow() throws Exception { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| final String tableName = getUniqueNames(1)[0]; |
| client.tableOperations().create(tableName); |
| client.tableOperations().setProperty(tableName, Property.TABLE_SCAN_MAXMEM.getKey(), "1"); |
| |
| try (BatchWriter bw = client.createBatchWriter(tableName)) { |
| Mutation m = new Mutation("row1"); |
| m.put("bob", "02", EMPTY); |
| m.put("carl", "07", EMPTY); |
| m.put("eddie", "04", EMPTY); |
| m.put("frank", "03", EMPTY); |
| m.put("greg", "15", EMPTY); |
| m.put("mort", "06", EMPTY); |
| m.put("nick", "12", EMPTY); |
| m.put("richard", "18", EMPTY); |
| m.put("steve", "01", EMPTY); |
| m.put("ted", "11", EMPTY); |
| m.put("zed", "05", EMPTY); |
| bw.addMutation(m); |
| } |
| |
| IteratorSetting is = new IteratorSetting(50, OrIterator.class); |
| is.addOption(OrIterator.COLUMNS_KEY, "richard,carl,frank,nick,eddie,zed"); |
| Map<String,String> expectedData = new HashMap<>(); |
| expectedData.put("frank", "03"); |
| expectedData.put("eddie", "04"); |
| expectedData.put("zed", "05"); |
| expectedData.put("carl", "07"); |
| expectedData.put("nick", "12"); |
| expectedData.put("richard", "18"); |
| |
| try (BatchScanner bs = client.createBatchScanner(tableName)) { |
| bs.setRanges(Collections.singleton(new Range())); |
| bs.addScanIterator(is); |
| for (Entry<Key,Value> entry : bs) { |
| String term = entry.getKey().getColumnFamily().toString(); |
| String expectedDocId = expectedData.remove(term); |
| assertNotNull("Found unexpected term: " + term + " or the docId was unexpectedly null", |
| expectedDocId); |
| assertEquals(expectedDocId, entry.getKey().getColumnQualifier().toString()); |
| } |
| assertTrue("Expected no leftover entries but saw " + expectedData, expectedData.isEmpty()); |
| } |
| } |
| } |
| |
| @Test |
| public void testNoMatchesForTable() throws Exception { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| final String tableName = getUniqueNames(1)[0]; |
| client.tableOperations().create(tableName); |
| |
| try (BatchWriter bw = client.createBatchWriter(tableName)) { |
| Mutation m = new Mutation("row1"); |
| m.put("bob", "02", EMPTY); |
| m.put("carl", "07", EMPTY); |
| m.put("eddie", "04", EMPTY); |
| m.put("frank", "03", EMPTY); |
| m.put("greg", "15", EMPTY); |
| m.put("mort", "06", EMPTY); |
| m.put("nick", "12", EMPTY); |
| m.put("richard", "18", EMPTY); |
| m.put("steve", "01", EMPTY); |
| m.put("ted", "11", EMPTY); |
| m.put("zed", "05", EMPTY); |
| bw.addMutation(m); |
| } |
| |
| IteratorSetting is = new IteratorSetting(50, OrIterator.class); |
| is.addOption(OrIterator.COLUMNS_KEY, "theresa,sally"); |
| |
| try (BatchScanner bs = client.createBatchScanner(tableName)) { |
| bs.setRanges(Collections.singleton(new Range())); |
| bs.addScanIterator(is); |
| assertFalse("Found matches when none expected", bs.iterator().hasNext()); |
| } |
| } |
| } |
| |
| @Test |
| public void testNoMatchesInSingleTablet() throws Exception { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| final String tableName = getUniqueNames(1)[0]; |
| client.tableOperations().create(tableName); |
| |
| try (BatchWriter bw = client.createBatchWriter(tableName)) { |
| Mutation m = new Mutation("row1"); |
| m.put("bob", "02", EMPTY); |
| m.put("carl", "07", EMPTY); |
| m.put("eddie", "04", EMPTY); |
| bw.addMutation(m); |
| |
| m = new Mutation("row2"); |
| m.put("frank", "03", EMPTY); |
| m.put("greg", "15", EMPTY); |
| m.put("mort", "06", EMPTY); |
| m.put("nick", "12", EMPTY); |
| bw.addMutation(m); |
| |
| m = new Mutation("row3"); |
| m.put("richard", "18", EMPTY); |
| m.put("steve", "01", EMPTY); |
| m.put("ted", "11", EMPTY); |
| m.put("zed", "05", EMPTY); |
| bw.addMutation(m); |
| } |
| |
| IteratorSetting is = new IteratorSetting(50, OrIterator.class); |
| is.addOption(OrIterator.COLUMNS_KEY, "bob,eddie,steve,zed"); |
| Map<String,String> expectedData = new HashMap<>(); |
| expectedData.put("bob", "02"); |
| expectedData.put("eddie", "04"); |
| expectedData.put("zed", "05"); |
| expectedData.put("steve", "01"); |
| |
| // Split each row into its own tablet |
| client.tableOperations().addSplits(tableName, |
| new TreeSet<>(Arrays.asList(new Text("row2"), new Text("row3")))); |
| |
| try (BatchScanner bs = client.createBatchScanner(tableName)) { |
| bs.setRanges(Collections.singleton(new Range())); |
| bs.addScanIterator(is); |
| for (Entry<Key,Value> entry : bs) { |
| String term = entry.getKey().getColumnFamily().toString(); |
| String expectedDocId = expectedData.remove(term); |
| assertNotNull("Found unexpected term: " + term + " or the docId was unexpectedly null", |
| expectedDocId); |
| assertEquals(expectedDocId, entry.getKey().getColumnQualifier().toString()); |
| } |
| assertTrue("Expected no leftover entries but saw " + expectedData, expectedData.isEmpty()); |
| } |
| } |
| } |
| |
| @Test |
| public void testResultOrder() throws Exception { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| final String tableName = getUniqueNames(1)[0]; |
| client.tableOperations().create(tableName); |
| |
| try (BatchWriter bw = client.createBatchWriter(tableName)) { |
| Mutation m = new Mutation("row1"); |
| m.put("bob", "2", EMPTY); |
| m.put("frank", "3", EMPTY); |
| m.put("steve", "1", EMPTY); |
| bw.addMutation(m); |
| } |
| |
| IteratorSetting is = new IteratorSetting(50, OrIterator.class); |
| is.addOption(OrIterator.COLUMNS_KEY, "bob,steve"); |
| |
| try (Scanner s = client.createScanner(tableName)) { |
| s.addScanIterator(is); |
| Iterator<Entry<Key,Value>> iter = s.iterator(); |
| assertTrue(iter.hasNext()); |
| Key k = iter.next().getKey(); |
| assertEquals("Actual key was " + k, 0, |
| k.compareTo(new Key("row1", "steve", "1"), PartialKey.ROW_COLFAM_COLQUAL)); |
| assertTrue(iter.hasNext()); |
| k = iter.next().getKey(); |
| assertEquals("Actual key was " + k, 0, |
| k.compareTo(new Key("row1", "bob", "2"), PartialKey.ROW_COLFAM_COLQUAL)); |
| assertFalse(iter.hasNext()); |
| } |
| } |
| } |
| } |
