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Refactor Hive S3 tests #18779
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Refactor Hive S3 tests #18779
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156 changes: 156 additions & 0 deletions
156
presto-hive/src/test/java/com/facebook/presto/hive/HiveFileSystemTestUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.hive; | ||
|
|
||
| import com.facebook.presto.cache.CacheConfig; | ||
| import com.facebook.presto.common.predicate.TupleDomain; | ||
| import com.facebook.presto.common.type.Type; | ||
| import com.facebook.presto.hive.AbstractTestHiveClient.HiveTransaction; | ||
| import com.facebook.presto.hive.AbstractTestHiveClient.Transaction; | ||
| import com.facebook.presto.spi.ColumnHandle; | ||
| import com.facebook.presto.spi.ConnectorId; | ||
| import com.facebook.presto.spi.ConnectorPageSource; | ||
| import com.facebook.presto.spi.ConnectorSession; | ||
| import com.facebook.presto.spi.ConnectorSplit; | ||
| import com.facebook.presto.spi.ConnectorSplitSource; | ||
| import com.facebook.presto.spi.ConnectorTableHandle; | ||
| import com.facebook.presto.spi.ConnectorTableLayoutResult; | ||
| import com.facebook.presto.spi.Constraint; | ||
| import com.facebook.presto.spi.SchemaTableName; | ||
| import com.facebook.presto.spi.SplitContext; | ||
| import com.facebook.presto.spi.TableHandle; | ||
| import com.facebook.presto.spi.connector.ConnectorMetadata; | ||
| import com.facebook.presto.spi.connector.ConnectorPageSourceProvider; | ||
| import com.facebook.presto.spi.connector.ConnectorSplitManager; | ||
| import com.facebook.presto.testing.MaterializedResult; | ||
| import com.facebook.presto.testing.MaterializedRow; | ||
| import com.facebook.presto.testing.TestingConnectorSession; | ||
| import com.google.common.collect.ImmutableList; | ||
|
|
||
| import java.io.Closeable; | ||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.Optional; | ||
| import java.util.stream.IntStream; | ||
|
|
||
| import static com.facebook.presto.hive.AbstractTestHiveClient.getAllSplits; | ||
| import static com.facebook.presto.hive.AbstractTestHiveFileSystem.SPLIT_SCHEDULING_CONTEXT; | ||
| import static com.facebook.presto.hive.HiveTestUtils.getTypes; | ||
| import static com.facebook.presto.testing.MaterializedResult.materializeSourceDataStream; | ||
| import static com.google.common.base.Preconditions.checkArgument; | ||
| import static com.google.common.collect.ImmutableList.toImmutableList; | ||
| import static com.google.common.collect.Iterables.getOnlyElement; | ||
|
|
||
| public class HiveFileSystemTestUtils | ||
| { | ||
| private HiveFileSystemTestUtils() {} | ||
|
|
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| public static MaterializedResult readTable(SchemaTableName tableName, | ||
| HiveTransactionManager transactionManager, | ||
| HiveClientConfig config, | ||
| HiveMetadataFactory metadataFactory, | ||
| ConnectorPageSourceProvider pageSourceProvider, | ||
| ConnectorSplitManager splitManager) | ||
| throws IOException | ||
| { | ||
| ConnectorMetadata metadata = null; | ||
| ConnectorSession session = null; | ||
| ConnectorSplitSource splitSource = null; | ||
|
|
||
| try (Transaction transaction = newTransaction(transactionManager, metadataFactory.get())) { | ||
| metadata = transaction.getMetadata(); | ||
| session = newSession(config); | ||
|
|
||
| ConnectorTableHandle table = getTableHandle(metadata, tableName, session); | ||
| List<ColumnHandle> columnHandles = ImmutableList.copyOf(metadata.getColumnHandles(session, table).values()); | ||
| List<ConnectorTableLayoutResult> tableLayoutResults = metadata.getTableLayouts(session, table, Constraint.alwaysTrue(), Optional.empty()); | ||
| HiveTableLayoutHandle layoutHandle = (HiveTableLayoutHandle) getOnlyElement(tableLayoutResults).getTableLayout().getHandle(); | ||
| TableHandle tableHandle = new TableHandle(new ConnectorId(tableName.getSchemaName()), table, transaction.getTransactionHandle(), Optional.of(layoutHandle)); | ||
|
|
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| metadata.beginQuery(session); | ||
|
|
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| splitSource = splitManager.getSplits(transaction.getTransactionHandle(), session, tableHandle.getLayout().get(), SPLIT_SCHEDULING_CONTEXT); | ||
|
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| List<Type> allTypes = getTypes(columnHandles); | ||
| List<Type> dataTypes = getTypes(columnHandles.stream() | ||
| .filter(columnHandle -> !((HiveColumnHandle) columnHandle).isHidden()) | ||
| .collect(toImmutableList())); | ||
| MaterializedResult.Builder result = MaterializedResult.resultBuilder(session, dataTypes); | ||
|
|
||
| List<ConnectorSplit> splits = getAllSplits(splitSource); | ||
| for (ConnectorSplit split : splits) { | ||
| try (ConnectorPageSource pageSource = pageSourceProvider.createPageSource( | ||
| transaction.getTransactionHandle(), | ||
| session, | ||
| split, | ||
| tableHandle.getLayout().get(), | ||
| columnHandles, | ||
| new SplitContext(false, TupleDomain.none()))) { | ||
| MaterializedResult pageSourceResult = materializeSourceDataStream(session, pageSource, allTypes); | ||
| for (MaterializedRow row : pageSourceResult.getMaterializedRows()) { | ||
| Object[] dataValues = IntStream.range(0, row.getFieldCount()) | ||
| .filter(channel -> !((HiveColumnHandle) columnHandles.get(channel)).isHidden()) | ||
| .mapToObj(row::getField) | ||
| .toArray(); | ||
| result.row(dataValues); | ||
| } | ||
| } | ||
| } | ||
| return result.build(); | ||
| } | ||
| finally { | ||
| cleanUpQuery(metadata, session); | ||
| closeQuietly(splitSource); | ||
| } | ||
| } | ||
|
|
||
| public static Transaction newTransaction(HiveTransactionManager transactionManager, HiveMetadata hiveMetadata) | ||
| { | ||
| return new HiveTransaction(transactionManager, hiveMetadata); | ||
| } | ||
|
|
||
| public static ConnectorSession newSession(HiveClientConfig config) | ||
| { | ||
| return new TestingConnectorSession(new HiveSessionProperties( | ||
| config, | ||
| new OrcFileWriterConfig(), | ||
| new ParquetFileWriterConfig(), | ||
| new CacheConfig()).getSessionProperties()); | ||
| } | ||
|
|
||
| public static ConnectorTableHandle getTableHandle(ConnectorMetadata metadata, SchemaTableName tableName, ConnectorSession session) | ||
| { | ||
| ConnectorTableHandle handle = metadata.getTableHandle(session, tableName); | ||
| checkArgument(handle != null, "table not found: %s", tableName); | ||
| return handle; | ||
| } | ||
|
|
||
| private static void closeQuietly(Closeable closeable) | ||
| { | ||
| try { | ||
| if (closeable != null) { | ||
| closeable.close(); | ||
| } | ||
| } | ||
| catch (IOException ignored) { | ||
| } | ||
| } | ||
|
|
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| private static void cleanUpQuery(ConnectorMetadata metadata, ConnectorSession session) | ||
| { | ||
| if (metadata != null && session != null) { | ||
| metadata.cleanupQuery(session); | ||
| } | ||
| } | ||
| } |
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Neat shortcut. I guess we don't really need the specific
-copyFromLocalsemantics enforced hereThere was a problem hiding this comment.
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Thanks!