Examples with StorageFormat io.prestosql.plugin.hive.metastore.StorageFormat used on opensource projects

Example 11 with StorageFormat

use of io.prestosql.plugin.hive.metastore.StorageFormat in project hetu-core by openlookeng.

the class CarbondataMetadata method beginCreateTable.

@Override
public CarbondataOutputTableHandle beginCreateTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, Optional<ConnectorNewTableLayout> layout) {
    // get the root directory for the database
    SchemaTableName finalSchemaTableName = tableMetadata.getTable();
    String finalSchemaName = finalSchemaTableName.getSchemaName();
    String finalTableName = finalSchemaTableName.getTableName();
    this.user = session.getUser();
    this.schemaName = finalSchemaName;
    currentState = State.CREATE_TABLE_AS;
    List<String> partitionedBy = new ArrayList<String>();
    List<SortingColumn> sortBy = new ArrayList<SortingColumn>();
    List<HiveColumnHandle> columnHandles = new ArrayList<HiveColumnHandle>();
    Map<String, String> tableProperties = new HashMap<String, String>();
    getParametersForCreateTable(session, tableMetadata, partitionedBy, sortBy, columnHandles, tableProperties);
    metastore.getDatabase(finalSchemaName).orElseThrow(() -> new SchemaNotFoundException(finalSchemaName));
    // to avoid type mismatch between HiveStorageFormat & Carbondata StorageFormat this hack no option
    HiveStorageFormat tableStorageFormat = HiveStorageFormat.valueOf("CARBON");
    HiveStorageFormat partitionStorageFormat = tableStorageFormat;
    Map<String, HiveColumnHandle> columnHandlesByName = Maps.uniqueIndex(columnHandles, HiveColumnHandle::getName);
    List<Column> partitionColumns = partitionedBy.stream().map(columnHandlesByName::get).map(column -> new Column(column.getName(), column.getHiveType(), column.getComment())).collect(toList());
    checkPartitionTypesSupported(partitionColumns);
    // it will get final path to create carbon table
    LocationHandle locationHandle = getCarbonDataTableCreationPath(session, tableMetadata, HiveWriteUtils.OpertionType.CREATE_TABLE_AS);
    Path targetPath = locationService.getTableWriteInfo(locationHandle, false).getTargetPath();
    AbsoluteTableIdentifier finalAbsoluteTableIdentifier = AbsoluteTableIdentifier.from(targetPath.toString(), new CarbonTableIdentifier(finalSchemaName, finalTableName, UUID.randomUUID().toString()));
    hdfsEnvironment.doAs(session.getUser(), () -> {
        initialConfiguration = ConfigurationUtils.toJobConf(this.hdfsEnvironment.getConfiguration(new HdfsEnvironment.HdfsContext(session, finalSchemaName, finalTableName), new Path(locationHandle.getJsonSerializableTargetPath())));
        // Create Carbondata metadata folder and Schema file
        CarbondataMetadataUtils.createMetaDataFolderSchemaFile(hdfsEnvironment, session, columnHandles, finalAbsoluteTableIdentifier, partitionedBy, sortBy.stream().map(s -> s.getColumnName().toLowerCase(Locale.ENGLISH)).collect(toList()), targetPath.toString(), initialConfiguration);
        this.tableStorageLocation = Optional.of(targetPath.toString());
        Path outputPath = new Path(locationHandle.getJsonSerializableTargetPath());
        Properties schema = readSchemaForCarbon(finalSchemaName, finalTableName, targetPath, columnHandles, partitionColumns);
        // Create committer object
        setupCommitWriter(schema, outputPath, initialConfiguration, false);
    });
    try {
        CarbondataOutputTableHandle result = new CarbondataOutputTableHandle(finalSchemaName, finalTableName, columnHandles, metastore.generatePageSinkMetadata(new HiveIdentity(session), finalSchemaTableName), locationHandle, tableStorageFormat, partitionStorageFormat, partitionedBy, Optional.empty(), session.getUser(), tableProperties, ImmutableMap.<String, String>of(EncodedLoadModel, jobContext.getConfiguration().get(LOAD_MODEL)));
        LocationService.WriteInfo writeInfo = locationService.getQueryWriteInfo(locationHandle);
        metastore.declareIntentionToWrite(session, writeInfo.getWriteMode(), writeInfo.getWritePath(), finalSchemaTableName);
        return result;
    } catch (RuntimeException ex) {
        throw new PrestoException(GENERIC_INTERNAL_ERROR, format("Error: creating table: %s ", ex.getMessage()), ex);
    }
}

Example 12 with StorageFormat

use of io.prestosql.plugin.hive.metastore.StorageFormat in project hetu-core by openlookeng.

the class HiveWriterFactory method createWriter.

private HiveWriter createWriter(List<String> partitionValues, OptionalInt bucketNumber, Optional<Options> vacuumOptions, boolean forMerge) {
    boolean isTxnTable = isTxnTable();
    if (bucketCount.isPresent()) {
        checkArgument(bucketNumber.isPresent(), "Bucket not provided for bucketed table");
        checkArgument(bucketNumber.getAsInt() < bucketCount.getAsInt(), "Bucket number %s must be less than bucket count %s", bucketNumber, bucketCount);
    } else {
        checkArgument(isTxnTable || !bucketNumber.isPresent(), "Bucket number provided by for table that is not bucketed");
    }
    String fileName;
    if (bucketNumber.isPresent()) {
        fileName = computeBucketedFileName(queryId, bucketNumber.getAsInt());
    } else {
        // Snapshot: don't use UUID. File name needs to be deterministic.
        if (isSnapshotEnabled) {
            fileName = String.format(ENGLISH, "%s_%d_%d_%d", queryId, session.getTaskId().getAsInt(), session.getPipelineId().getAsInt(), session.getDriverId().getAsInt());
        } else {
            fileName = queryId + "_" + randomUUID();
        }
    }
    Optional<String> partitionName;
    if (!partitionColumnNames.isEmpty()) {
        partitionName = Optional.of(FileUtils.makePartName(partitionColumnNames, partitionValues));
    } else {
        partitionName = Optional.empty();
    }
    // attempt to get the existing partition (if this is an existing partitioned table)
    Optional<Partition> partition = Optional.empty();
    if (!partitionValues.isEmpty() && table != null) {
        partition = pageSinkMetadataProvider.getPartition(partitionValues);
    }
    UpdateMode updateMode;
    Properties schema;
    WriteInfo writeInfo;
    StorageFormat outputStorageFormat;
    if (!partition.isPresent()) {
        if (table == null) {
            // Write to: a new partition in a new partitioned table,
            // or a new unpartitioned table.
            updateMode = UpdateMode.NEW;
            schema = new Properties();
            schema.setProperty(IOConstants.COLUMNS, dataColumns.stream().map(DataColumn::getName).collect(joining(",")));
            schema.setProperty(IOConstants.COLUMNS_TYPES, dataColumns.stream().map(DataColumn::getHiveType).map(HiveType::getHiveTypeName).map(HiveTypeName::toString).collect(joining(":")));
            setAdditionalSchemaProperties(schema);
            if (!partitionName.isPresent()) {
                // new unpartitioned table
                writeInfo = locationService.getTableWriteInfo(locationHandle, false);
            } else {
                // a new partition in a new partitioned table
                writeInfo = locationService.getPartitionWriteInfo(locationHandle, partition, partitionName.get());
                if (!writeInfo.getWriteMode().isWritePathSameAsTargetPath()) {
                    // verify that the target directory for the partition does not already exist
                    if (HiveWriteUtils.pathExists(new HdfsContext(session, schemaName, tableName), hdfsEnvironment, writeInfo.getTargetPath())) {
                        throw new PrestoException(HIVE_PATH_ALREADY_EXISTS, format("Target directory for new partition '%s' of table '%s.%s' already exists: %s", partitionName, schemaName, tableName, writeInfo.getTargetPath()));
                    }
                }
            }
        } else {
            // or an existing unpartitioned table
            if (partitionName.isPresent()) {
                // a new partition in an existing partitioned table
                updateMode = UpdateMode.NEW;
                writeInfo = locationService.getPartitionWriteInfo(locationHandle, partition, partitionName.get());
            } else {
                switch(insertExistingPartitionsBehavior) {
                    case APPEND:
                        checkState(!immutablePartitions);
                        updateMode = UpdateMode.APPEND;
                        writeInfo = locationService.getTableWriteInfo(locationHandle, false);
                        break;
                    case OVERWRITE:
                        updateMode = UpdateMode.OVERWRITE;
                        writeInfo = locationService.getTableWriteInfo(locationHandle, true);
                        break;
                    case ERROR:
                        throw new PrestoException(HIVE_TABLE_READ_ONLY, "Unpartitioned Hive tables are immutable");
                    default:
                        throw new IllegalArgumentException("Unsupported insert existing table behavior: " + insertExistingPartitionsBehavior);
                }
            }
            schema = getHiveSchema(table);
        }
        if (partitionName.isPresent()) {
            // Write to a new partition
            outputStorageFormat = fromHiveStorageFormat(partitionStorageFormat);
        } else {
            // Write to a new/existing unpartitioned table
            outputStorageFormat = fromHiveStorageFormat(tableStorageFormat);
        }
    } else {
        // Write to: an existing partition in an existing partitioned table
        if (insertExistingPartitionsBehavior == InsertExistingPartitionsBehavior.APPEND) {
            // Append to an existing partition
            checkState(!immutablePartitions);
            updateMode = UpdateMode.APPEND;
            // Check the column types in partition schema match the column types in table schema
            List<Column> tableColumns = table.getDataColumns();
            List<Column> existingPartitionColumns = partition.get().getColumns();
            for (int i = 0; i < min(existingPartitionColumns.size(), tableColumns.size()); i++) {
                HiveType tableType = tableColumns.get(i).getType();
                HiveType partitionType = existingPartitionColumns.get(i).getType();
                if (!tableType.equals(partitionType)) {
                    throw new PrestoException(HIVE_PARTITION_SCHEMA_MISMATCH, format("" + "You are trying to write into an existing partition in a table. " + "The table schema has changed since the creation of the partition. " + "Inserting rows into such partition is not supported. " + "The column '%s' in table '%s' is declared as type '%s', " + "but partition '%s' declared column '%s' as type '%s'.", tableColumns.get(i).getName(), tableName, tableType, partitionName, existingPartitionColumns.get(i).getName(), partitionType));
                }
            }
            HiveWriteUtils.checkPartitionIsWritable(partitionName.get(), partition.get());
            outputStorageFormat = partition.get().getStorage().getStorageFormat();
            schema = getHiveSchema(partition.get(), table);
            writeInfo = locationService.getPartitionWriteInfo(locationHandle, partition, partitionName.get());
        } else if (insertExistingPartitionsBehavior == InsertExistingPartitionsBehavior.OVERWRITE) {
            // Overwrite an existing partition
            // 
            // The behavior of overwrite considered as if first dropping the partition and inserting a new partition, thus:
            // * No partition writable check is required.
            // * Table schema and storage format is used for the new partition (instead of existing partition schema and storage format).
            updateMode = UpdateMode.OVERWRITE;
            outputStorageFormat = fromHiveStorageFormat(partitionStorageFormat);
            schema = getHiveSchema(table);
            writeInfo = locationService.getPartitionWriteInfo(locationHandle, Optional.empty(), partitionName.get());
            checkWriteMode(writeInfo);
        } else if (insertExistingPartitionsBehavior == InsertExistingPartitionsBehavior.ERROR) {
            throw new PrestoException(HIVE_PARTITION_READ_ONLY, "Cannot insert into an existing partition of Hive table: " + partitionName.get());
        } else {
            throw new IllegalArgumentException(format("Unsupported insert existing partitions behavior: %s", insertExistingPartitionsBehavior));
        }
    }
    schema.putAll(additionalTableParameters);
    if (acidWriteType != HiveACIDWriteType.DELETE) {
        validateSchema(partitionName, schema);
    }
    Path path;
    Optional<AcidOutputFormat.Options> acidOptions;
    String fileNameWithExtension;
    if (isTxnTable) {
        WriteIdInfo writeIdInfo = locationHandle.getJsonSerializablewriteIdInfo().get();
        AcidOutputFormat.Options options = new AcidOutputFormat.Options(conf).minimumWriteId(writeIdInfo.getMinWriteId()).maximumWriteId(writeIdInfo.getMaxWriteId()).statementId(writeIdInfo.getStatementId()).bucket(bucketNumber.isPresent() ? bucketNumber.getAsInt() : 0);
        if (acidWriteType == HiveACIDWriteType.DELETE) {
            // to support delete as insert
            options.writingDeleteDelta(true);
        } else if (acidWriteType == HiveACIDWriteType.INSERT_OVERWRITE) {
            // In case of ACID txn tables, dont delete old data. Just create new base in same partition.
            options.writingBase(true);
        }
        if (vacuumOptions.isPresent() && HiveACIDWriteType.isVacuum(acidWriteType)) {
            Options vOptions = vacuumOptions.get();
            // Use the original bucket file number itself.
            // Compacted delta directories will not have statementId
            options.maximumWriteId(vOptions.getMaximumWriteId()).minimumWriteId(vOptions.getMinimumWriteId()).writingBase(vOptions.isWritingBase()).writingDeleteDelta(vOptions.isWritingDeleteDelta()).bucket(vOptions.getBucketId()).statementId(-1);
        }
        if (AcidUtils.isInsertOnlyTable(schema)) {
            String subdir;
            if (options.isWritingBase()) {
                subdir = AcidUtils.baseDir(options.getMaximumWriteId());
            } else if (HiveACIDWriteType.isVacuum(acidWriteType)) {
                // Only for Minor compacted delta will not have statement Id.
                subdir = AcidUtils.deltaSubdir(options.getMinimumWriteId(), options.getMaximumWriteId());
            } else {
                subdir = AcidUtils.deltaSubdir(options.getMinimumWriteId(), options.getMaximumWriteId(), options.getStatementId());
            }
            Path parentDir = new Path(writeInfo.getWritePath(), subdir);
            fileName = String.format("%06d", options.getBucketId()) + "_0" + getFileExtension(conf, outputStorageFormat);
            path = new Path(parentDir, fileName);
            Properties properties = new Properties();
            properties.setProperty("transactional_properties", "insert_only");
            options.tableProperties(properties);
        } else {
            path = AcidUtils.createFilename(writeInfo.getWritePath(), options);
        }
        // In case of ACID entire delta directory should be renamed from staging directory.
        fileNameWithExtension = path.getParent().getName();
        acidOptions = Optional.of(options);
    } else {
        fileNameWithExtension = fileName + getFileExtension(conf, outputStorageFormat);
        path = new Path(writeInfo.getWritePath(), fileNameWithExtension);
        acidOptions = Optional.empty();
    }
    FileSystem fileSystem;
    try {
        fileSystem = hdfsEnvironment.getFileSystem(session.getUser(), path, conf);
    } catch (IOException e) {
        throw new PrestoException(HIVE_WRITER_OPEN_ERROR, e);
    }
    if (isSnapshotEnabled) {
        // Snapshot: use a recognizable name pattern, in case they need to be deleted/renamed
        String oldFileName = path.getName();
        String newFileName = toSnapshotFileName(oldFileName, queryId);
        path = new Path(path.getParent(), newFileName);
        if (fileNameWithExtension.equals(oldFileName)) {
            fileNameWithExtension = newFileName;
        }
    }
    HiveFileWriter hiveFileWriter = null;
    if (isSnapshotEnabled && !forMerge) {
        // Add a suffix to file name for sub files
        String oldFileName = path.getName();
        String newFileName = toSnapshotSubFile(oldFileName);
        path = new Path(path.getParent(), newFileName);
        if (fileNameWithExtension.equals(oldFileName)) {
            fileNameWithExtension = newFileName;
        }
        // Always create a simple ORC writer for snapshot files. These will be merged in the end.
        logContainingFolderInfo(fileSystem, path, "Creating SnapshotTempFileWriter for %s", path);
        try {
            Path finalPath = path;
            hiveFileWriter = new SnapshotTempFileWriter(orcFileWriterFactory.createOrcDataSink(session, fileSystem, path), dataColumns.stream().map(column -> column.getHiveType().getType(typeManager)).collect(Collectors.toList()));
        } catch (IOException e) {
            throw new PrestoException(HiveErrorCode.HIVE_WRITER_OPEN_ERROR, "Error creating ORC file", e);
        }
    } else {
        conf.set("table.write.path", writeInfo.getWritePath().toString());
        for (HiveFileWriterFactory fileWriterFactory : fileWriterFactories) {
            Optional<HiveFileWriter> fileWriter = fileWriterFactory.createFileWriter(path, dataColumns.stream().map(DataColumn::getName).collect(toList()), outputStorageFormat, schema, conf, session, acidOptions, Optional.of(acidWriteType));
            if (fileWriter.isPresent()) {
                hiveFileWriter = fileWriter.get();
                break;
            }
        }
        if (isSnapshotEnabled) {
            // TODO-cp-I2BZ0A: assuming all files to be of ORC type
            checkState(hiveFileWriter instanceof OrcFileWriter, "Only support ORC format with snapshot");
            logContainingFolderInfo(fileSystem, path, "Creating file writer for final result: %s", path);
        }
        if (hiveFileWriter == null) {
            hiveFileWriter = new RecordFileWriter(path, dataColumns.stream().map(DataColumn::getName).collect(toList()), outputStorageFormat, schema, partitionStorageFormat.getEstimatedWriterSystemMemoryUsage(), conf, typeManager, parquetTimeZone, session);
        }
        if (isTxnTable) {
            hiveFileWriter.initWriter(true, path, fileSystem);
        }
    }
    Path finalPath = path;
    String writerImplementation = hiveFileWriter.getClass().getName();
    Consumer<HiveWriter> onCommit;
    if (isSnapshotEnabled && !forMerge) {
        // Only send "commit" event for the merged file
        onCommit = hiveWriter -> {
        };
    } else {
        onCommit = hiveWriter -> {
            Optional<Long> size;
            try {
                size = Optional.of(hdfsEnvironment.getFileSystem(session.getUser(), finalPath, conf).getFileStatus(finalPath).getLen());
            } catch (IOException | RuntimeException e) {
                // Do not fail the query if file system is not available
                size = Optional.empty();
            }
            eventClient.post(new WriteCompletedEvent(session.getQueryId(), finalPath.toString(), schemaName, tableName, partitionName.orElse(null), outputStorageFormat.getOutputFormat(), writerImplementation, nodeManager.getCurrentNode().getVersion(), nodeManager.getCurrentNode().getHost(), session.getIdentity().getPrincipal().map(Principal::getName).orElse(null), nodeManager.getEnvironment(), sessionProperties, size.orElse(null), hiveWriter.getRowCount()));
        };
    }
    if (!sortedBy.isEmpty() || (isTxnTable() && HiveACIDWriteType.isUpdateOrDelete(acidWriteType))) {
        List<Type> types = dataColumns.stream().map(column -> column.getHiveType().getType(typeManager)).collect(Collectors.toList());
        Map<String, Integer> columnIndexes = new HashMap<>();
        for (int i = 0; i < dataColumns.size(); i++) {
            columnIndexes.put(dataColumns.get(i).getName(), i);
        }
        if (sortedBy.isEmpty() && isTxnTable() && HiveACIDWriteType.isUpdateOrDelete(acidWriteType)) {
            // Add $rowId column as the last column in the page
            types.add(HiveColumnHandle.updateRowIdHandle().getHiveType().getType(typeManager));
            columnIndexes.put(HiveColumnHandle.UPDATE_ROW_ID_COLUMN_NAME, dataColumns.size());
        }
        List<Integer> sortFields = new ArrayList<>();
        List<SortOrder> sortOrders = new ArrayList<>();
        List<SortingColumn> sortigColumns = this.sortedBy;
        if (sortedBy.isEmpty() && isTxnTable() && HiveACIDWriteType.isUpdateOrDelete(acidWriteType)) {
            sortigColumns = ImmutableList.of(new SortingColumn(HiveColumnHandle.UPDATE_ROW_ID_COLUMN_NAME, SortingColumn.Order.ASCENDING));
        }
        for (SortingColumn column : sortigColumns) {
            Integer index = columnIndexes.get(column.getColumnName());
            if (index == null) {
                throw new PrestoException(HIVE_INVALID_METADATA, format("Sorting column '%s' does not exist in table '%s.%s'", column.getColumnName(), schemaName, tableName));
            }
            sortFields.add(index);
            sortOrders.add(column.getOrder().getSortOrder());
        }
        FileSystem sortFileSystem = fileSystem;
        String child = ".tmp-sort." + path.getName();
        Path tempFilePrefix = new Path(path.getParent(), child);
        hiveFileWriter = new SortingFileWriter(sortFileSystem, tempFilePrefix, hiveFileWriter, sortBufferSize, maxOpenSortFiles, types, sortFields, sortOrders, pageSorter, (fs, p) -> orcFileWriterFactory.createOrcDataSink(session, fs, p));
    }
    return new HiveWriter(hiveFileWriter, partitionName, updateMode, fileNameWithExtension, writeInfo.getWritePath().toString(), writeInfo.getTargetPath().toString(), path.toString(), onCommit, // Snapshot: only update stats when merging files
    isSnapshotEnabled && !forMerge ? null : hiveWriterStats, hiveFileWriter.getExtraPartitionFiles());
}

Example 13 with StorageFormat

use of io.prestosql.plugin.hive.metastore.StorageFormat in project hetu-core by openlookeng.

the class AbstractTestHiveFileFormats method createTestFilePresto.

public static FileSplit createTestFilePresto(String filePath, HiveStorageFormat storageFormat, HiveCompressionCodec compressionCodec, List<TestColumn> columns, ConnectorSession session, int numRows, HiveFileWriterFactory fileWriterFactory) {
    List<TestColumn> testColumns = columns;
    // filter out partition keys, which are not written to the file
    testColumns = ImmutableList.copyOf(filter(testColumns, not(TestColumn::isPartitionKey)));
    List<Type> types = testColumns.stream().map(TestColumn::getType).map(HiveType::valueOf).map(type -> type.getType(TYPE_MANAGER)).collect(toList());
    PageBuilder pageBuilder = new PageBuilder(types);
    for (int rowNumber = 0; rowNumber < numRows; rowNumber++) {
        pageBuilder.declarePosition();
        for (int columnNumber = 0; columnNumber < testColumns.size(); columnNumber++) {
            serializeObject(types.get(columnNumber), pageBuilder.getBlockBuilder(columnNumber), testColumns.get(columnNumber).getWriteValue(), testColumns.get(columnNumber).getObjectInspector(), false);
        }
    }
    Page page = pageBuilder.build();
    JobConf jobConf = new JobConf();
    configureCompression(jobConf, compressionCodec);
    Properties tableProperties = new Properties();
    tableProperties.setProperty("columns", Joiner.on(',').join(transform(testColumns, TestColumn::getName)));
    tableProperties.setProperty("columns.types", Joiner.on(',').join(transform(testColumns, TestColumn::getType)));
    Optional<HiveFileWriter> fileWriter = fileWriterFactory.createFileWriter(new Path(filePath), testColumns.stream().map(TestColumn::getName).collect(toList()), StorageFormat.fromHiveStorageFormat(storageFormat), tableProperties, jobConf, session, Optional.empty(), Optional.empty());
    HiveFileWriter hiveFileWriter = fileWriter.orElseThrow(() -> new IllegalArgumentException("fileWriterFactory"));
    hiveFileWriter.appendRows(page);
    hiveFileWriter.commit();
    return new FileSplit(new Path(filePath), 0, new File(filePath).length(), new String[0]);
}

Example 14 with StorageFormat

use of io.prestosql.plugin.hive.metastore.StorageFormat in project hetu-core by openlookeng.

the class AbstractTestHive method doTestMismatchSchemaTable.

protected void doTestMismatchSchemaTable(SchemaTableName schemaTableName, HiveStorageFormat storageFormat, List<ColumnMetadata> tableBefore, MaterializedResult dataBefore, List<ColumnMetadata> tableAfter, MaterializedResult dataAfter) throws Exception {
    String schemaName = schemaTableName.getSchemaName();
    String tableName = schemaTableName.getTableName();
    doCreateEmptyTable(schemaTableName, storageFormat, tableBefore);
    // insert the data
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        ConnectorMetadata metadata = transaction.getMetadata();
        metadata.beginQuery(session);
        ConnectorTableHandle tableHandle = getTableHandle(metadata, schemaTableName);
        ConnectorInsertTableHandle insertTableHandle = metadata.beginInsert(session, tableHandle);
        ConnectorPageSink sink = pageSinkProvider.createPageSink(transaction.getTransactionHandle(), session, insertTableHandle);
        sink.appendPage(dataBefore.toPage());
        Collection<Slice> fragments = getFutureValue(sink.finish());
        metadata.finishInsert(session, insertTableHandle, fragments, ImmutableList.of());
        transaction.commit();
    }
    // load the table and verify the data
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        ConnectorMetadata metadata = transaction.getMetadata();
        metadata.beginQuery(session);
        ConnectorTableHandle tableHandle = getTableHandle(metadata, schemaTableName);
        List<ColumnHandle> columnHandles = metadata.getColumnHandles(session, tableHandle).values().stream().filter(columnHandle -> !((HiveColumnHandle) columnHandle).isHidden()).collect(toList());
        MaterializedResult result = readTable(transaction, tableHandle, columnHandles, session, TupleDomain.all(), OptionalInt.empty(), Optional.empty());
        assertEqualsIgnoreOrder(result.getMaterializedRows(), dataBefore.getMaterializedRows());
        transaction.commit();
    }
    // alter the table schema
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        PrincipalPrivileges principalPrivileges = testingPrincipalPrivilege(session);
        Table oldTable = transaction.getMetastore(schemaName).getTable(new HiveIdentity(session), schemaName, tableName).get();
        HiveTypeTranslator hiveTypeTranslator = new HiveTypeTranslator();
        List<Column> dataColumns = tableAfter.stream().filter(columnMetadata -> !columnMetadata.getName().equals("ds")).map(columnMetadata -> new Column(columnMetadata.getName(), toHiveType(hiveTypeTranslator, columnMetadata.getType()), Optional.empty())).collect(toList());
        Table.Builder newTable = Table.builder(oldTable).setDataColumns(dataColumns);
        transaction.getMetastore(schemaName).replaceView(new HiveIdentity(session), schemaName, tableName, newTable.build(), principalPrivileges);
        transaction.commit();
    }
    // load the altered table and verify the data
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        ConnectorMetadata metadata = transaction.getMetadata();
        metadata.beginQuery(session);
        ConnectorTableHandle tableHandle = getTableHandle(metadata, schemaTableName);
        List<ColumnHandle> columnHandles = metadata.getColumnHandles(session, tableHandle).values().stream().filter(columnHandle -> !((HiveColumnHandle) columnHandle).isHidden()).collect(toList());
        MaterializedResult result = readTable(transaction, tableHandle, columnHandles, session, TupleDomain.all(), OptionalInt.empty(), Optional.empty());
        assertEqualsIgnoreOrder(result.getMaterializedRows(), dataAfter.getMaterializedRows());
        transaction.commit();
    }
    // insertions to the partitions with type mismatches should fail
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        ConnectorMetadata metadata = transaction.getMetadata();
        metadata.beginQuery(session);
        ConnectorTableHandle tableHandle = getTableHandle(metadata, schemaTableName);
        ConnectorInsertTableHandle insertTableHandle = metadata.beginInsert(session, tableHandle);
        ConnectorPageSink sink = pageSinkProvider.createPageSink(transaction.getTransactionHandle(), session, insertTableHandle);
        sink.appendPage(dataAfter.toPage());
        Collection<Slice> fragments = getFutureValue(sink.finish());
        metadata.finishInsert(session, insertTableHandle, fragments, ImmutableList.of());
        transaction.commit();
        fail("expected exception");
    } catch (PrestoException e) {
        // expected
        assertEquals(e.getErrorCode(), HiveErrorCode.HIVE_PARTITION_SCHEMA_MISMATCH.toErrorCode());
    }
}

Example 15 with StorageFormat

use of io.prestosql.plugin.hive.metastore.StorageFormat in project hetu-core by openlookeng.

the class AbstractTestHive method doCreateEmptyTable.

protected void doCreateEmptyTable(SchemaTableName tableName, HiveStorageFormat storageFormat, List<ColumnMetadata> createTableColumns) throws Exception {
    List<String> partitionedBy = createTableColumns.stream().filter(column -> column.getName().equals("ds")).map(ColumnMetadata::getName).collect(toList());
    String queryId;
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        ConnectorMetadata metadata = transaction.getMetadata();
        metadata.beginQuery(session);
        queryId = session.getQueryId();
        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(tableName, createTableColumns, createTableProperties(storageFormat, partitionedBy));
        metadata.createTable(session, tableMetadata, false);
        transaction.commit();
    }
    try (Transaction transaction = newTransaction()) {
        ConnectorSession session = newSession();
        ConnectorMetadata metadata = transaction.getMetadata();
        metadata.beginQuery(session);
        // load the new table
        ConnectorTableHandle tableHandle = getTableHandle(metadata, tableName);
        // verify the metadata
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(session, getTableHandle(metadata, tableName));
        List<ColumnMetadata> expectedColumns = createTableColumns.stream().map(column -> new ColumnMetadata(column.getName(), column.getType(), true, column.getComment(), columnExtraInfo(partitionedBy.contains(column.getName())), false, emptyMap(), partitionedBy.contains(column.getName()))).collect(toList());
        assertEquals(filterNonHiddenColumnMetadata(tableMetadata.getColumns()), expectedColumns);
        // verify table format
        Table table = transaction.getMetastore(tableName.getSchemaName()).getTable(new HiveIdentity(session), tableName.getSchemaName(), tableName.getTableName()).get();
        assertEquals(table.getStorage().getStorageFormat().getInputFormat(), storageFormat.getInputFormat());
        // verify the node version and query ID
        assertEquals(table.getParameters().get(PRESTO_VERSION_NAME), TEST_SERVER_VERSION);
        assertEquals(table.getParameters().get(PRESTO_QUERY_ID_NAME), queryId);
        // verify the table is empty
        List<ColumnHandle> columnHandles = filterNonHiddenColumnHandles(metadata.getColumnHandles(session, tableHandle).values());
        MaterializedResult result = readTable(transaction, tableHandle, columnHandles, session, TupleDomain.all(), OptionalInt.empty(), Optional.of(storageFormat));
        assertEquals(result.getRowCount(), 0);
        // verify basic statistics
        if (partitionedBy.isEmpty()) {
            HiveBasicStatistics statistics = getBasicStatisticsForTable(session, transaction, tableName);
            assertEquals(statistics.getRowCount().getAsLong(), 0L);
            assertEquals(statistics.getFileCount().getAsLong(), 0L);
            assertEquals(statistics.getInMemoryDataSizeInBytes().getAsLong(), 0L);
            assertEquals(statistics.getOnDiskDataSizeInBytes().getAsLong(), 0L);
        }
    }
}