Examples with TypeManager io.trino.spi.type.TypeManager used on opensource projects

Example 31 with TypeManager

use of io.trino.spi.type.TypeManager in project trino by trinodb.

the class HiveMetadata method finishCreateTable.

@Override
public Optional<ConnectorOutputMetadata> finishCreateTable(ConnectorSession session, ConnectorOutputTableHandle tableHandle, Collection<Slice> fragments, Collection<ComputedStatistics> computedStatistics) {
    HiveOutputTableHandle handle = (HiveOutputTableHandle) tableHandle;
    List<PartitionUpdate> partitionUpdates = fragments.stream().map(Slice::getBytes).map(partitionUpdateCodec::fromJson).collect(toImmutableList());
    WriteInfo writeInfo = locationService.getQueryWriteInfo(handle.getLocationHandle());
    Table table = buildTableObject(session.getQueryId(), handle.getSchemaName(), handle.getTableName(), handle.getTableOwner(), handle.getInputColumns(), handle.getTableStorageFormat(), handle.getPartitionedBy(), handle.getBucketProperty(), handle.getAdditionalTableParameters(), Optional.of(writeInfo.getTargetPath()), handle.isExternal(), prestoVersion, accessControlMetadata.isUsingSystemSecurity());
    PrincipalPrivileges principalPrivileges = accessControlMetadata.isUsingSystemSecurity() ? NO_PRIVILEGES : buildInitialPrivilegeSet(handle.getTableOwner());
    partitionUpdates = PartitionUpdate.mergePartitionUpdates(partitionUpdates);
    if (handle.getBucketProperty().isPresent() && isCreateEmptyBucketFiles(session)) {
        List<PartitionUpdate> partitionUpdatesForMissingBuckets = computePartitionUpdatesForMissingBuckets(session, handle, table, true, partitionUpdates);
        // replace partitionUpdates before creating the empty files so that those files will be cleaned up if we end up rollback
        partitionUpdates = PartitionUpdate.mergePartitionUpdates(concat(partitionUpdates, partitionUpdatesForMissingBuckets));
        for (PartitionUpdate partitionUpdate : partitionUpdatesForMissingBuckets) {
            Optional<Partition> partition = table.getPartitionColumns().isEmpty() ? Optional.empty() : Optional.of(buildPartitionObject(session, table, partitionUpdate));
            createEmptyFiles(session, partitionUpdate.getWritePath(), table, partition, partitionUpdate.getFileNames());
        }
        if (handle.isTransactional()) {
            AcidTransaction transaction = handle.getTransaction();
            List<String> partitionNames = partitionUpdates.stream().map(PartitionUpdate::getName).collect(toImmutableList());
            metastore.addDynamicPartitions(handle.getSchemaName(), handle.getTableName(), partitionNames, transaction.getAcidTransactionId(), transaction.getWriteId(), AcidOperation.CREATE_TABLE);
        }
    }
    Map<String, Type> columnTypes = handle.getInputColumns().stream().collect(toImmutableMap(HiveColumnHandle::getName, column -> column.getHiveType().getType(typeManager)));
    Map<List<String>, ComputedStatistics> partitionComputedStatistics = createComputedStatisticsToPartitionMap(computedStatistics, handle.getPartitionedBy(), columnTypes);
    PartitionStatistics tableStatistics;
    if (table.getPartitionColumns().isEmpty()) {
        HiveBasicStatistics basicStatistics = partitionUpdates.stream().map(PartitionUpdate::getStatistics).reduce((first, second) -> reduce(first, second, ADD)).orElse(createZeroStatistics());
        tableStatistics = createPartitionStatistics(basicStatistics, columnTypes, getColumnStatistics(partitionComputedStatistics, ImmutableList.of()));
    } else {
        tableStatistics = new PartitionStatistics(createEmptyStatistics(), ImmutableMap.of());
    }
    if (handle.getPartitionedBy().isEmpty()) {
        List<String> fileNames;
        if (partitionUpdates.isEmpty()) {
            // creating empty table via CTAS ... WITH NO DATA
            fileNames = ImmutableList.of();
        } else {
            fileNames = getOnlyElement(partitionUpdates).getFileNames();
        }
        metastore.createTable(session, table, principalPrivileges, Optional.of(writeInfo.getWritePath()), Optional.of(fileNames), false, tableStatistics, handle.isRetriesEnabled());
    } else {
        metastore.createTable(session, table, principalPrivileges, Optional.of(writeInfo.getWritePath()), Optional.empty(), false, tableStatistics, false);
    }
    if (!handle.getPartitionedBy().isEmpty()) {
        if (isRespectTableFormat(session)) {
            verify(handle.getPartitionStorageFormat() == handle.getTableStorageFormat());
        }
        for (PartitionUpdate update : partitionUpdates) {
            Partition partition = buildPartitionObject(session, table, update);
            PartitionStatistics partitionStatistics = createPartitionStatistics(update.getStatistics(), columnTypes, getColumnStatistics(partitionComputedStatistics, partition.getValues()));
            metastore.addPartition(session, handle.getSchemaName(), handle.getTableName(), buildPartitionObject(session, table, update), update.getWritePath(), Optional.of(update.getFileNames()), partitionStatistics, handle.isRetriesEnabled());
        }
    }
    return Optional.of(new HiveWrittenPartitions(partitionUpdates.stream().map(PartitionUpdate::getName).collect(toImmutableList())));
}

Example 32 with TypeManager

use of io.trino.spi.type.TypeManager in project trino by trinodb.

the class HiveSplitManager method getSplits.

@Override
public ConnectorSplitSource getSplits(ConnectorTransactionHandle transaction, ConnectorSession session, ConnectorTableHandle tableHandle, SplitSchedulingStrategy splitSchedulingStrategy, DynamicFilter dynamicFilter) {
    HiveTableHandle hiveTable = (HiveTableHandle) tableHandle;
    SchemaTableName tableName = hiveTable.getSchemaTableName();
    // get table metadata
    SemiTransactionalHiveMetastore metastore = transactionManager.get(transaction, session.getIdentity()).getMetastore();
    Table table = metastore.getTable(tableName.getSchemaName(), tableName.getTableName()).orElseThrow(() -> new TableNotFoundException(tableName));
    // verify table is not marked as non-readable
    String tableNotReadable = table.getParameters().get(OBJECT_NOT_READABLE);
    if (!isNullOrEmpty(tableNotReadable)) {
        throw new HiveNotReadableException(tableName, Optional.empty(), tableNotReadable);
    }
    // get partitions
    List<HivePartition> partitions = partitionManager.getOrLoadPartitions(metastore, hiveTable);
    // short circuit if we don't have any partitions
    if (partitions.isEmpty()) {
        if (hiveTable.isRecordScannedFiles()) {
            return new FixedSplitSource(ImmutableList.of(), ImmutableList.of());
        }
        return new FixedSplitSource(ImmutableList.of());
    }
    // get buckets from first partition (arbitrary)
    Optional<HiveBucketFilter> bucketFilter = hiveTable.getBucketFilter();
    // validate bucket bucketed execution
    Optional<HiveBucketHandle> bucketHandle = hiveTable.getBucketHandle();
    if ((splitSchedulingStrategy == GROUPED_SCHEDULING) && bucketHandle.isEmpty()) {
        throw new TrinoException(GENERIC_INTERNAL_ERROR, "SchedulingPolicy is bucketed, but BucketHandle is not present");
    }
    // sort partitions
    partitions = Ordering.natural().onResultOf(HivePartition::getPartitionId).reverse().sortedCopy(partitions);
    Iterable<HivePartitionMetadata> hivePartitions = getPartitionMetadata(session, metastore, table, tableName, partitions, bucketHandle.map(HiveBucketHandle::toTableBucketProperty));
    // Only one thread per partition is usable when a table is not transactional
    int concurrency = isTransactionalTable(table.getParameters()) ? splitLoaderConcurrency : min(splitLoaderConcurrency, partitions.size());
    HiveSplitLoader hiveSplitLoader = new BackgroundHiveSplitLoader(table, hiveTable.getTransaction(), hivePartitions, hiveTable.getCompactEffectivePredicate(), dynamicFilter, getDynamicFilteringWaitTimeout(session), typeManager, createBucketSplitInfo(bucketHandle, bucketFilter), session, hdfsEnvironment, namenodeStats, directoryLister, executor, concurrency, recursiveDfsWalkerEnabled, !hiveTable.getPartitionColumns().isEmpty() && isIgnoreAbsentPartitions(session), isOptimizeSymlinkListing(session), metastore.getValidWriteIds(session, hiveTable).map(validTxnWriteIdList -> validTxnWriteIdList.getTableValidWriteIdList(table.getDatabaseName() + "." + table.getTableName())), hiveTable.getMaxScannedFileSize());
    HiveSplitSource splitSource;
    switch(splitSchedulingStrategy) {
        case UNGROUPED_SCHEDULING:
            splitSource = HiveSplitSource.allAtOnce(session, table.getDatabaseName(), table.getTableName(), maxInitialSplits, maxOutstandingSplits, maxOutstandingSplitsSize, maxSplitsPerSecond, hiveSplitLoader, executor, highMemorySplitSourceCounter, hiveTable.isRecordScannedFiles());
            break;
        case GROUPED_SCHEDULING:
            splitSource = HiveSplitSource.bucketed(session, table.getDatabaseName(), table.getTableName(), maxInitialSplits, maxOutstandingSplits, maxOutstandingSplitsSize, maxSplitsPerSecond, hiveSplitLoader, executor, highMemorySplitSourceCounter, hiveTable.isRecordScannedFiles());
            break;
        default:
            throw new IllegalArgumentException("Unknown splitSchedulingStrategy: " + splitSchedulingStrategy);
    }
    hiveSplitLoader.start(splitSource);
    return splitSource;
}

Example 33 with TypeManager

use of io.trino.spi.type.TypeManager in project trino by trinodb.

the class HiveWriterFactory method createWriter.

public HiveWriter createWriter(Page partitionColumns, int position, OptionalInt bucketNumber) {
    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(bucketNumber.isEmpty(), "Bucket number provided by for table that is not bucketed");
    }
    List<String> partitionValues = createPartitionValues(partitionColumnTypes, partitionColumns, position);
    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.isEmpty()) {
        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(":")));
            if (partitionName.isEmpty()) {
                // 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), hdfsEnvironment, writeInfo.getTargetPath())) {
                        throw new TrinoException(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:
                        updateMode = UpdateMode.APPEND;
                        writeInfo = locationService.getTableWriteInfo(locationHandle, false);
                        break;
                    case OVERWRITE:
                        updateMode = UpdateMode.OVERWRITE;
                        writeInfo = locationService.getTableWriteInfo(locationHandle, true);
                        break;
                    case ERROR:
                        throw new TrinoException(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 {
        switch(insertExistingPartitionsBehavior) {
            // Write to: an existing partition in an existing partitioned table
            case APPEND:
                // Append to an existing partition
                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 TrinoException(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());
                break;
            case 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());
                break;
            case ERROR:
                throw new TrinoException(HIVE_PARTITION_READ_ONLY, "Cannot insert into an existing partition of Hive table: " + partitionName.get());
            default:
                throw new IllegalArgumentException(format("Unsupported insert existing partitions behavior: %s", insertExistingPartitionsBehavior));
        }
    }
    additionalTableParameters.forEach(schema::setProperty);
    validateSchema(partitionName, schema);
    int bucketToUse = bucketNumber.isEmpty() ? 0 : bucketNumber.getAsInt();
    Path path;
    String fileNameWithExtension;
    if (transaction.isAcidTransactionRunning()) {
        String subdir = computeAcidSubdir(transaction);
        Path subdirPath = new Path(writeInfo.getWritePath(), subdir);
        path = createHiveBucketPath(subdirPath, bucketToUse, table.getParameters());
        fileNameWithExtension = path.getName();
    } else {
        String fileName = computeFileName(bucketNumber);
        fileNameWithExtension = fileName + getFileExtension(conf, outputStorageFormat);
        path = new Path(writeInfo.getWritePath(), fileNameWithExtension);
    }
    boolean useAcidSchema = isCreateTransactionalTable || (table != null && isFullAcidTable(table.getParameters()));
    FileWriter hiveFileWriter = null;
    for (HiveFileWriterFactory fileWriterFactory : fileWriterFactories) {
        Optional<FileWriter> fileWriter = fileWriterFactory.createFileWriter(path, dataColumns.stream().map(DataColumn::getName).collect(toList()), outputStorageFormat, schema, conf, session, bucketNumber, transaction, useAcidSchema, WriterKind.INSERT);
        if (fileWriter.isPresent()) {
            hiveFileWriter = fileWriter.get();
            break;
        }
    }
    if (hiveFileWriter == null) {
        hiveFileWriter = new RecordFileWriter(path, dataColumns.stream().map(DataColumn::getName).collect(toList()), outputStorageFormat, schema, partitionStorageFormat.getEstimatedWriterMemoryUsage(), conf, typeManager, parquetTimeZone, session);
    }
    String writerImplementation = hiveFileWriter.getClass().getName();
    Consumer<HiveWriter> onCommit = hiveWriter -> {
        Optional<Long> size;
        try {
            size = Optional.of(hiveWriter.getWrittenBytes());
        } catch (RuntimeException e) {
            // Do not fail the query if file system is not available
            size = Optional.empty();
        }
        eventClient.post(new WriteCompletedEvent(session.getQueryId(), path.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()) {
        FileSystem fileSystem;
        Path tempFilePath;
        if (sortedWritingTempStagingPathEnabled) {
            String tempPrefix = sortedWritingTempStagingPath.replace("${USER}", new HdfsContext(session).getIdentity().getUser());
            tempFilePath = new Path(tempPrefix, ".tmp-sort." + path.getParent().getName() + "." + path.getName());
        } else {
            tempFilePath = new Path(path.getParent(), ".tmp-sort." + path.getName());
        }
        try {
            Configuration configuration = new Configuration(conf);
            // Explicitly set the default FS to local file system to avoid getting HDFS when sortedWritingTempStagingPath specifies no scheme
            configuration.set(FS_DEFAULT_NAME_KEY, "file:///");
            fileSystem = hdfsEnvironment.getFileSystem(session.getIdentity(), tempFilePath, configuration);
        } catch (IOException e) {
            throw new TrinoException(HIVE_WRITER_OPEN_ERROR, e);
        }
        List<Type> types = dataColumns.stream().map(column -> column.getHiveType().getType(typeManager, getTimestampPrecision(session))).collect(toImmutableList());
        Map<String, Integer> columnIndexes = new HashMap<>();
        for (int i = 0; i < dataColumns.size(); i++) {
            columnIndexes.put(dataColumns.get(i).getName(), i);
        }
        List<Integer> sortFields = new ArrayList<>();
        List<SortOrder> sortOrders = new ArrayList<>();
        for (SortingColumn column : sortedBy) {
            Integer index = columnIndexes.get(column.getColumnName());
            if (index == null) {
                throw new TrinoException(HIVE_INVALID_METADATA, format("Sorting column '%s' does exist in table '%s.%s'", column.getColumnName(), schemaName, tableName));
            }
            sortFields.add(index);
            sortOrders.add(column.getOrder().getSortOrder());
        }
        hiveFileWriter = new SortingFileWriter(fileSystem, tempFilePath, hiveFileWriter, sortBufferSize, maxOpenSortFiles, types, sortFields, sortOrders, pageSorter, typeManager.getTypeOperators(), OrcFileWriterFactory::createOrcDataSink);
    }
    return new HiveWriter(hiveFileWriter, partitionName, updateMode, fileNameWithExtension, writeInfo.getWritePath().toString(), writeInfo.getTargetPath().toString(), onCommit, hiveWriterStats);
}

Example 34 with TypeManager

use of io.trino.spi.type.TypeManager in project trino by trinodb.

the class MongoClientModule method createMongoSession.

@Singleton
@Provides
public static MongoSession createMongoSession(TypeManager typeManager, MongoClientConfig config) {
    requireNonNull(config, "config is null");
    MongoClientSettings.Builder options = MongoClientSettings.builder();
    options.writeConcern(config.getWriteConcern().getWriteConcern()).readPreference(config.getReadPreference().getReadPreference()).applyToConnectionPoolSettings(builder -> builder.maxConnectionIdleTime(config.getMaxConnectionIdleTime(), MILLISECONDS).maxWaitTime(config.getMaxWaitTime(), MILLISECONDS).minSize(config.getMinConnectionsPerHost()).maxSize(config.getConnectionsPerHost())).applyToSocketSettings(builder -> builder.connectTimeout(config.getConnectionTimeout(), MILLISECONDS).readTimeout(config.getSocketTimeout(), MILLISECONDS)).applyToSslSettings(builder -> builder.enabled(config.getSslEnabled()));
    if (config.getRequiredReplicaSetName() != null) {
        options.applyToClusterSettings(builder -> builder.requiredReplicaSetName(config.getRequiredReplicaSetName()));
    }
    if (config.getConnectionUrl().isPresent()) {
        options.applyConnectionString(new ConnectionString(config.getConnectionUrl().get()));
    } else {
        options.applyToClusterSettings(builder -> builder.hosts(config.getSeeds()));
        if (!config.getCredentials().isEmpty()) {
            options.credential(config.getCredentials().get(0));
        }
    }
    MongoClient client = MongoClients.create(options.build());
    return new MongoSession(typeManager, client, config);
}

Example 35 with TypeManager

use of io.trino.spi.type.TypeManager in project trino by trinodb.

the class RaptorStorageManager method toOrcFileType.

static Type toOrcFileType(Type raptorType, TypeManager typeManager) {
    // TIMESTAMPS are stored as BIGINT to void the poor encoding in ORC
    if (raptorType.equals(TIMESTAMP_MILLIS)) {
        return BIGINT;
    }
    if (raptorType instanceof ArrayType) {
        Type elementType = toOrcFileType(((ArrayType) raptorType).getElementType(), typeManager);
        return new ArrayType(elementType);
    }
    if (raptorType instanceof MapType) {
        TypeSignature keyType = toOrcFileType(((MapType) raptorType).getKeyType(), typeManager).getTypeSignature();
        TypeSignature valueType = toOrcFileType(((MapType) raptorType).getValueType(), typeManager).getTypeSignature();
        return typeManager.getParameterizedType(StandardTypes.MAP, ImmutableList.of(TypeSignatureParameter.typeParameter(keyType), TypeSignatureParameter.typeParameter(valueType)));
    }
    if (raptorType instanceof RowType) {
        List<Field> fields = ((RowType) raptorType).getFields().stream().map(field -> new Field(field.getName(), toOrcFileType(field.getType(), typeManager))).collect(toImmutableList());
        return RowType.from(fields);
    }
    return raptorType;
}