| /* |
| * 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.metadata.BaseTableMetadata; |
| import org.apache.drill.metastore.metadata.FileMetadata; |
| import org.apache.drill.metastore.metadata.MetadataInfo; |
| import org.apache.drill.metastore.metadata.MetadataType; |
| import org.apache.drill.metastore.metadata.PartitionMetadata; |
| import org.apache.drill.metastore.metadata.RowGroupMetadata; |
| import org.apache.drill.metastore.metadata.SegmentMetadata; |
| 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.assertTrue; |
| |
| @Category(MetastoreTest.class) |
| public class TestBasicTablesTransformer { |
| |
| @Test |
| public void testTables() { |
| TableMetadataUnit table = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .metadataKey(MetadataInfo.GENERAL_INFO_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .partitionKeys(Collections.emptyMap()) |
| .build(); |
| |
| TableMetadataUnit segment = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.SEGMENT.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .build(); |
| |
| List<BaseTableMetadata> tables = BasicTablesTransformer.tables(Arrays.asList(table, segment)); |
| assertEquals(1, tables.size()); |
| } |
| |
| @Test |
| public void testSegments() { |
| TableMetadataUnit table = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .metadataKey(MetadataInfo.GENERAL_INFO_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .partitionKeys(Collections.emptyMap()) |
| .build(); |
| |
| TableMetadataUnit segment = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.SEGMENT.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation") |
| .locations(Collections.emptyList()) |
| .build(); |
| |
| List<SegmentMetadata> segments = BasicTablesTransformer.segments(Arrays.asList(table, segment)); |
| assertEquals(1, segments.size()); |
| } |
| |
| @Test |
| public void testFiles() { |
| TableMetadataUnit table = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .metadataKey(MetadataInfo.GENERAL_INFO_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .partitionKeys(Collections.emptyMap()) |
| .build(); |
| |
| TableMetadataUnit file0 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.FILE.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/0_0_0.parquet") |
| .build(); |
| |
| TableMetadataUnit file1 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.FILE.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/0_0_1.parquet") |
| .build(); |
| |
| List<FileMetadata> files = BasicTablesTransformer.files(Arrays.asList(table, file0, file1)); |
| assertEquals(2, files.size()); |
| } |
| |
| @Test |
| public void testRowGroups() { |
| TableMetadataUnit file = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.FILE.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/0_0_0.parquet") |
| .build(); |
| |
| TableMetadataUnit rowGroup = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.ROW_GROUP.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/0_0_0.parquet") |
| .rowGroupIndex(1) |
| .hostAffinity(Collections.emptyMap()) |
| .build(); |
| |
| List<RowGroupMetadata> rowGroups = BasicTablesTransformer.rowGroups(Arrays.asList(file, rowGroup)); |
| assertEquals(1, rowGroups.size()); |
| } |
| |
| @Test |
| public void testPartitions() { |
| TableMetadataUnit partition1 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.PARTITION.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/2018") |
| .locations(Collections.emptyList()) |
| .column("dir0") |
| .partitionValues(Collections.emptyList()) |
| .build(); |
| |
| TableMetadataUnit partition2 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.PARTITION.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/2019") |
| .locations(Collections.emptyList()) |
| .column("dir0") |
| .partitionValues(Collections.emptyList()) |
| .build(); |
| |
| List<PartitionMetadata> partitions = BasicTablesTransformer.partitions(Arrays.asList(partition1, partition2)); |
| assertEquals(2, partitions.size()); |
| } |
| |
| @Test |
| public void testAll() { |
| TableMetadataUnit table = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .metadataKey(MetadataInfo.GENERAL_INFO_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .partitionKeys(Collections.emptyMap()) |
| .build(); |
| |
| TableMetadataUnit segment = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.SEGMENT.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation") |
| .locations(Collections.emptyList()) |
| .build(); |
| |
| TableMetadataUnit file0 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.FILE.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/0_0_0.parquet") |
| .build(); |
| |
| TableMetadataUnit file1 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.FILE.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/0_0_1.parquet") |
| .build(); |
| |
| TableMetadataUnit rowGroup = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.ROW_GROUP.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/0_0_0.parquet") |
| .rowGroupIndex(1) |
| .hostAffinity(Collections.emptyMap()) |
| .build(); |
| |
| TableMetadataUnit partition1 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.PARTITION.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/2018") |
| .locations(Collections.emptyList()) |
| .column("dir0") |
| .partitionValues(Collections.emptyList()) |
| .build(); |
| |
| TableMetadataUnit partition2 = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.PARTITION.name()) |
| .metadataKey(MetadataInfo.DEFAULT_SEGMENT_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .path("/tmp/nation/2019") |
| .locations(Collections.emptyList()) |
| .column("dir0") |
| .partitionValues(Collections.emptyList()) |
| .build(); |
| |
| BasicTablesTransformer.MetadataHolder all = BasicTablesTransformer.all( |
| Arrays.asList(table, segment, file0, file1, rowGroup, partition1, partition2)); |
| assertEquals(1, all.tables().size()); |
| assertEquals(1, all.segments().size()); |
| assertEquals(2, all.files().size()); |
| assertEquals(1, all.rowGroups().size()); |
| assertEquals(2, all.partitions().size()); |
| } |
| |
| @Test |
| public void testUnexpectedType() { |
| TableMetadataUnit table = TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .metadataKey(MetadataInfo.GENERAL_INFO_KEY) |
| .columnsStatistics(Collections.emptyMap()) |
| .metadataStatistics(Collections.emptyList()) |
| .partitionKeys(Collections.emptyMap()) |
| .build(); |
| |
| TableMetadataUnit nullMetadataType = TableMetadataUnit.builder().metadataType(null).build(); |
| TableMetadataUnit noneMetadataType = TableMetadataUnit.builder().metadataType(MetadataType.NONE.name()).build(); |
| |
| List<TableMetadataUnit> units = Arrays.asList(table, nullMetadataType, noneMetadataType); |
| |
| List<BaseTableMetadata> tables = BasicTablesTransformer.tables(units); |
| assertEquals(1, tables.size()); |
| |
| BasicTablesTransformer.MetadataHolder all = BasicTablesTransformer.all(units); |
| assertEquals(1, all.tables().size()); |
| assertTrue(all.segments().isEmpty()); |
| assertTrue(all.files().isEmpty()); |
| assertTrue(all.rowGroups().isEmpty()); |
| assertTrue(all.partitions().isEmpty()); |
| } |
| |
| @Test |
| public void testNoResult() { |
| List<TableMetadataUnit> units = Collections.singletonList(TableMetadataUnit.builder().metadataType(null).build()); |
| |
| assertTrue(BasicTablesTransformer.tables(units).isEmpty()); |
| assertTrue(BasicTablesTransformer.segments(units).isEmpty()); |
| assertTrue(BasicTablesTransformer.files(units).isEmpty()); |
| assertTrue(BasicTablesTransformer.rowGroups(units).isEmpty()); |
| assertTrue(BasicTablesTransformer.partitions(units).isEmpty()); |
| } |
| } |