| /* |
| * 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.metastore.components.tables; |
| |
| import org.apache.drill.categories.MetastoreTest; |
| import org.apache.drill.metastore.MetastoreColumn; |
| import org.apache.drill.metastore.expressions.FilterExpression; |
| import org.apache.drill.metastore.metadata.MetadataType; |
| import org.apache.drill.test.BaseTest; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| @Category(MetastoreTest.class) |
| public class TestBasicTablesRequestsRequestMetadata extends BaseTest { |
| |
| @Test |
| public void testRequestMetadataWithoutRequestColumns() { |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .column("col") |
| .metadataKeys(Arrays.asList("a", "b", "c")) |
| .build(); |
| |
| assertTrue(requestMetadata.columns().isEmpty()); |
| } |
| |
| @Test |
| public void testRequestMetadataWithRequestColumns() { |
| List<MetastoreColumn> requestColumns = Arrays.asList(MetastoreColumn.STORAGE_PLUGIN, MetastoreColumn.SCHEMA); |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .column("col") |
| .metadataKeys(Arrays.asList("a", "b", "c")) |
| .requestColumns(requestColumns) |
| .build(); |
| |
| assertEquals(requestColumns, requestMetadata.columns()); |
| } |
| |
| @Test |
| public void testRequestMetadataWithEmptyRequestColumns() { |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .column("col") |
| .metadataKeys(Arrays.asList("a", "b", "c")) |
| .requestColumns() |
| .build(); |
| |
| assertEquals(Collections.emptyList(), requestMetadata.columns()); |
| } |
| |
| @Test |
| public void testRequestMetadataNoFilter() { |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder().build(); |
| assertNull(requestMetadata.filter()); |
| } |
| |
| @Test |
| public void testRequestMetadataOneFilter() { |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .column("col") |
| .build(); |
| |
| FilterExpression expected = FilterExpression.equal(MetastoreColumn.COLUMN, "col"); |
| |
| assertEquals(expected.toString(), requestMetadata.filter().toString()); |
| } |
| |
| @Test |
| public void testRequestMetadataWithAndFilter() { |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .location("/tmp/dir") |
| .column("col") |
| .build(); |
| |
| FilterExpression expected = FilterExpression.and( |
| FilterExpression.equal(MetastoreColumn.LOCATION, "/tmp/dir"), |
| FilterExpression.equal(MetastoreColumn.COLUMN, "col")); |
| |
| assertEquals(expected.toString(), requestMetadata.filter().toString()); |
| } |
| |
| @Test |
| public void testRequestMetadataWithInFilter() { |
| List<String> locations = Arrays.asList("/tmp/dir0", "/tmp/dir1"); |
| List<String> metadataKeys = Arrays.asList("a", "b", "c"); |
| |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .locations(locations) |
| .metadataKeys(metadataKeys) |
| .build(); |
| |
| FilterExpression expected = FilterExpression.and( |
| FilterExpression.in(MetastoreColumn.LOCATION, locations), |
| FilterExpression.in(MetastoreColumn.METADATA_KEY, metadataKeys)); |
| |
| assertEquals(expected.toString(), requestMetadata.filter().toString()); |
| } |
| |
| @Test |
| public void testRequestMetadataWithCustomFilter() { |
| String column = "col"; |
| List<String> metadataKeys = Arrays.asList("a", "b", "c"); |
| FilterExpression customFilter = FilterExpression.equal(MetastoreColumn.STORAGE_PLUGIN, "dfs"); |
| |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .column(column) |
| .metadataKeys(metadataKeys) |
| .customFilter(customFilter) |
| .build(); |
| |
| FilterExpression expected = FilterExpression.and( |
| FilterExpression.equal(MetastoreColumn.COLUMN, column), |
| FilterExpression.in(MetastoreColumn.METADATA_KEY, metadataKeys), |
| customFilter); |
| |
| assertEquals(expected.toString(), requestMetadata.filter().toString()); |
| } |
| |
| @Test |
| public void testRequestMetadataWithMetadataType() { |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .metadataType(MetadataType.TABLE) |
| .build(); |
| |
| assertEquals(1, requestMetadata.metadataTypes().size()); |
| assertEquals(MetadataType.TABLE, requestMetadata.metadataTypes().iterator().next()); |
| } |
| |
| @Test |
| public void testRequestMetadataWithMetadataTypes() { |
| BasicTablesRequests.RequestMetadata requestMetadata = BasicTablesRequests.RequestMetadata.builder() |
| .metadataTypes(MetadataType.TABLE, MetadataType.SEGMENT, MetadataType.PARTITION) |
| .metadataTypes(MetadataType.PARTITION, MetadataType.FILE) |
| .build(); |
| |
| assertEquals(4, requestMetadata.metadataTypes().size()); |
| } |
| } |