| /* |
| * 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.rdbms.components.tables; |
| |
| import org.apache.drill.metastore.MetastoreColumn; |
| import org.apache.drill.metastore.components.tables.TableMetadataUnit; |
| import org.apache.drill.metastore.TestData; |
| import org.apache.drill.metastore.expressions.FilterExpression; |
| import org.apache.drill.metastore.metadata.MetadataType; |
| import org.apache.drill.metastore.rdbms.RdbmsBaseTest; |
| import org.apache.drill.metastore.rdbms.exception.RdbmsMetastoreException; |
| import org.apache.drill.metastore.rdbms.operate.RdbmsOperation; |
| import org.apache.drill.metastore.rdbms.transform.MetadataMapper; |
| import org.apache.drill.shaded.guava.com.google.common.collect.Sets; |
| import org.jooq.Record; |
| import org.jooq.generated.Tables; |
| import org.jooq.impl.DSL; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.hamcrest.CoreMatchers.startsWith; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| |
| public class TestTablesTransformer extends RdbmsBaseTest { |
| |
| private static final TablesTransformer TRANSFORMER = TablesTransformer.get(); |
| |
| @Test |
| public void testToMappersAll() { |
| Set<MetadataMapper<TableMetadataUnit, ? extends Record>> metadataMappers = |
| TRANSFORMER.toMappers(Sets.newHashSet(MetadataType.ALL, MetadataType.FILE)); |
| |
| assertEquals(5, metadataMappers.size()); |
| } |
| |
| @Test |
| public void testToMappersSome() { |
| Set<MetadataMapper<TableMetadataUnit, ? extends Record>> metadataMappers = |
| TRANSFORMER.toMappers(Sets.newHashSet(MetadataType.TABLE, MetadataType.FILE)); |
| |
| assertEquals( |
| Sets.newHashSet(TablesMetadataMapper.TableMapper.get(), TablesMetadataMapper.FileMapper.get()), |
| metadataMappers); |
| } |
| |
| @Test |
| public void testToMappersAbsent() { |
| try { |
| TRANSFORMER.toMappers(Sets.newHashSet(MetadataType.TABLE, MetadataType.VIEW)); |
| fail(); |
| } catch (RdbmsMetastoreException e) { |
| assertThat(e.getMessage(), startsWith("Metadata mapper is absent for type")); |
| } |
| } |
| |
| @Test |
| public void testToMapperExisting() { |
| MetadataMapper<TableMetadataUnit, ? extends Record> mapper = TRANSFORMER.toMapper(MetadataType.TABLE); |
| assertSame(TablesMetadataMapper.TableMapper.get(), mapper); |
| } |
| |
| @Test |
| public void testToMapperAbsent() { |
| try { |
| TRANSFORMER.toMapper(MetadataType.VIEW); |
| fail(); |
| } catch (RdbmsMetastoreException e) { |
| assertThat(e.getMessage(), startsWith("Metadata mapper is absent for type")); |
| } |
| } |
| |
| @Test |
| public void testToMapperAll() { |
| try { |
| TRANSFORMER.toMapper(MetadataType.ALL); |
| fail(); |
| } catch (RdbmsMetastoreException e) { |
| assertThat(e.getMessage(), startsWith("Metadata mapper is absent for type")); |
| } |
| } |
| |
| @Test |
| public void testToOverwriteOneUnit() { |
| TableMetadataUnit basicUnit = TestData.basicTableMetadataUnit(); |
| |
| List<TableMetadataUnit> units = Collections.singletonList( |
| basicUnit.toBuilder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .build()); |
| |
| List<RdbmsOperation.Overwrite> overwrites = TRANSFORMER.toOverwrite(units); |
| assertEquals(1, overwrites.size()); |
| |
| RdbmsOperation.Overwrite overwrite = overwrites.get(0); |
| assertEquals(Tables.TABLES, overwrite.table()); |
| |
| assertEquals(1, overwrite.deleteConditions().size()); |
| assertEquals( |
| DSL.and(Tables.TABLES.STORAGE_PLUGIN.eq("dfs"), |
| Tables.TABLES.WORKSPACE.eq("tmp"), |
| Tables.TABLES.TABLE_NAME.eq("nation")), |
| overwrite.deleteConditions().get(0)); |
| } |
| |
| @Test |
| public void testToOverwriteSeveralUnitsSameType() { |
| TableMetadataUnit basicUnit = TestData.basicTableMetadataUnit(); |
| |
| List<TableMetadataUnit> units = Arrays.asList( |
| basicUnit.toBuilder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("region") |
| .metadataType(MetadataType.TABLE.name()) |
| .build(), |
| basicUnit.toBuilder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .build() |
| ); |
| |
| List<RdbmsOperation.Overwrite> overwrites = TRANSFORMER.toOverwrite(units); |
| assertEquals(1, overwrites.size()); |
| |
| RdbmsOperation.Overwrite overwrite = overwrites.get(0); |
| assertEquals(Tables.TABLES, overwrite.table()); |
| |
| assertEquals(2, overwrite.deleteConditions().size()); |
| } |
| |
| @Test |
| public void testToOverwriteSeveralUnitsDifferentTypes() { |
| TableMetadataUnit basicUnit = TestData.basicTableMetadataUnit(); |
| |
| List<TableMetadataUnit> units = Arrays.asList( |
| basicUnit.toBuilder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("region") |
| .metadataType(MetadataType.TABLE.name()) |
| .build(), |
| basicUnit.toBuilder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.TABLE.name()) |
| .build(), |
| basicUnit.toBuilder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .metadataType(MetadataType.SEGMENT.name()) |
| .build() |
| ); |
| |
| List<RdbmsOperation.Overwrite> overwrites = TRANSFORMER.toOverwrite(units); |
| assertEquals(2, overwrites.size()); |
| } |
| |
| @Test |
| public void testToOverwriteAbsentMetadataType() { |
| TableMetadataUnit basicUnit = TestData.basicTableMetadataUnit(); |
| |
| List<TableMetadataUnit> units = Arrays.asList( |
| basicUnit.toBuilder() |
| .metadataType(MetadataType.TABLE.name()) |
| .build(), |
| basicUnit.toBuilder() |
| .metadataType(MetadataType.VIEW.name()) |
| .build() |
| ); |
| |
| try { |
| TRANSFORMER.toOverwrite(units); |
| fail(); |
| } catch (RdbmsMetastoreException e) { |
| assertThat(e.getMessage(), startsWith("Metadata mapper is absent for type")); |
| } |
| } |
| |
| @Test |
| public void testToDeleteOne() { |
| org.apache.drill.metastore.operate.Delete metastoreDelete = org.apache.drill.metastore.operate.Delete.builder() |
| .metadataType(MetadataType.TABLE) |
| .filter(FilterExpression.equal(MetastoreColumn.STORAGE_PLUGIN, "dfs")) |
| .build(); |
| |
| List<RdbmsOperation.Delete> rdbmsDeletes = TRANSFORMER.toDelete(metastoreDelete); |
| |
| assertEquals(1, rdbmsDeletes.size()); |
| |
| RdbmsOperation.Delete rdbmsDelete = rdbmsDeletes.get(0); |
| assertEquals(Tables.TABLES, rdbmsDelete.table()); |
| assertEquals(Tables.TABLES.STORAGE_PLUGIN.eq("dfs").toString(), rdbmsDelete.condition().toString()); |
| } |
| |
| @Test |
| public void testToDeleteSeveral() { |
| org.apache.drill.metastore.operate.Delete metastoreDelete = org.apache.drill.metastore.operate.Delete.builder() |
| .metadataType(MetadataType.ALL) |
| .filter(FilterExpression.equal(MetastoreColumn.STORAGE_PLUGIN, "dfs")) |
| .build(); |
| |
| List<RdbmsOperation.Delete> rdbmsDeletes = TRANSFORMER.toDelete(metastoreDelete); |
| |
| assertEquals(5, rdbmsDeletes.size()); |
| } |
| |
| @Test |
| public void testToDeleteAll() { |
| List<RdbmsOperation.Delete> rdbmsDeletes = TRANSFORMER.toDeleteAll(); |
| |
| assertEquals(5, rdbmsDeletes.size()); |
| rdbmsDeletes.stream() |
| .map(RdbmsOperation.Delete::condition) |
| .forEach(condition -> assertEquals(DSL.noCondition().toString(), condition.toString())); |
| } |
| } |