| /* |
| * 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.store.hive.schema; |
| |
| import com.google.common.collect.Lists; |
| import org.apache.drill.exec.store.hive.ColumnListsCache; |
| import org.apache.drill.categories.SlowTest; |
| import org.apache.drill.test.BaseTest; |
| import org.apache.hadoop.hive.metastore.api.FieldSchema; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.util.List; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| @Category({SlowTest.class}) |
| public class TestColumnListCache extends BaseTest { |
| |
| @Test |
| public void testTableColumnsIndex() { |
| ColumnListsCache cache = new ColumnListsCache(); |
| List<FieldSchema> columns = Lists.newArrayList(); |
| columns.add(new FieldSchema("f1", "int", null)); |
| columns.add(new FieldSchema("f2", "int", null)); |
| assertEquals(0, cache.addOrGet(columns)); |
| } |
| |
| @Test |
| public void testPartitionColumnsIndex() { |
| ColumnListsCache cache = new ColumnListsCache(); |
| List<FieldSchema> columns = Lists.newArrayList(); |
| columns.add(new FieldSchema("f1", "int", null)); |
| columns.add(new FieldSchema("f2", "int", null)); |
| cache.addOrGet(columns); |
| columns.add(new FieldSchema("f3", "int", null)); |
| assertEquals(1, cache.addOrGet(columns)); |
| } |
| |
| @Test |
| public void testColumnListUnique() { |
| ColumnListsCache cache = new ColumnListsCache(); |
| List<FieldSchema> columns = Lists.newArrayList(); |
| columns.add(new FieldSchema("f1", "int", null)); |
| columns.add(new FieldSchema("f2", "int", null)); |
| cache.addOrGet(columns); |
| cache.addOrGet(Lists.newArrayList(columns)); |
| assertEquals(0, cache.addOrGet(Lists.newArrayList(columns))); |
| } |
| |
| @Test |
| public void testPartitionColumnListAccess() { |
| ColumnListsCache cache = new ColumnListsCache(); |
| List<FieldSchema> columns = Lists.newArrayList(); |
| columns.add(new FieldSchema("f1", "int", null)); |
| columns.add(new FieldSchema("f2", "int", null)); |
| cache.addOrGet(columns); |
| cache.addOrGet(columns); |
| columns.add(new FieldSchema("f3", "int", null)); |
| cache.addOrGet(columns); |
| cache.addOrGet(columns); |
| columns.add(new FieldSchema("f4", "int", null)); |
| cache.addOrGet(columns); |
| cache.addOrGet(columns); |
| assertEquals(columns, cache.getColumns(2)); |
| } |
| |
| @Test |
| public void testPartitionColumnCaching() { |
| ColumnListsCache cache = new ColumnListsCache(); |
| List<FieldSchema> columns = Lists.newArrayList(); |
| columns.add(new FieldSchema("f1", "int", null)); |
| columns.add(new FieldSchema("f2", "int", null)); |
| // sum of all indexes from cache |
| int indexSum = cache.addOrGet(columns); |
| indexSum += cache.addOrGet(columns); |
| List<FieldSchema> sameColumns = Lists.newArrayList(columns); |
| indexSum += cache.addOrGet(sameColumns); |
| List<FieldSchema> otherColumns = Lists.newArrayList(); |
| otherColumns.add(new FieldSchema("f3", "int", null)); |
| otherColumns.add(new FieldSchema("f4", "int", null)); |
| // sum of all indexes from cache |
| int secondIndexSum = cache.addOrGet(otherColumns); |
| secondIndexSum += cache.addOrGet(otherColumns); |
| List<FieldSchema> sameOtherColumns = Lists.newArrayList(); |
| sameOtherColumns.add(new FieldSchema("f3", "int", null)); |
| sameOtherColumns.add(new FieldSchema("f4", "int", null)); |
| secondIndexSum += cache.addOrGet(sameOtherColumns); |
| secondIndexSum += cache.addOrGet(Lists.newArrayList(sameOtherColumns)); |
| secondIndexSum += cache.addOrGet(otherColumns); |
| secondIndexSum += cache.addOrGet(otherColumns); |
| indexSum += cache.addOrGet(sameColumns); |
| indexSum += cache.addOrGet(columns); |
| // added only two kinds of column lists |
| assertNull(cache.getColumns(3)); |
| // sum of the indices of the first column list |
| assertEquals(0, indexSum); |
| assertEquals(6, secondIndexSum); |
| } |
| } |