Examples with HiveColumnHandle io.trino.plugin.hive.HiveColumnHandle used on opensource projects

Example 1 with HiveColumnHandle

use of io.trino.plugin.hive.HiveColumnHandle in project trino by trinodb.

the class OrcPageSourceFactory method createOrcPageSource.

private ConnectorPageSource createOrcPageSource(HdfsEnvironment hdfsEnvironment, ConnectorIdentity identity, Configuration configuration, Path path, long start, long length, long estimatedFileSize, List<HiveColumnHandle> columns, List<HiveColumnHandle> projections, boolean useOrcColumnNames, boolean isFullAcid, TupleDomain<HiveColumnHandle> effectivePredicate, DateTimeZone legacyFileTimeZone, OrcReaderOptions options, Optional<AcidInfo> acidInfo, OptionalInt bucketNumber, boolean originalFile, AcidTransaction transaction, FileFormatDataSourceStats stats) {
    for (HiveColumnHandle column : columns) {
        checkArgument(column.getColumnType() == REGULAR, "column type must be regular: %s", column);
    }
    checkArgument(!effectivePredicate.isNone());
    OrcDataSource orcDataSource;
    boolean originalFilesPresent = acidInfo.isPresent() && !acidInfo.get().getOriginalFiles().isEmpty();
    try {
        FileSystem fileSystem = hdfsEnvironment.getFileSystem(identity, path, configuration);
        FSDataInputStream inputStream = hdfsEnvironment.doAs(identity, () -> fileSystem.open(path));
        orcDataSource = new HdfsOrcDataSource(new OrcDataSourceId(path.toString()), estimatedFileSize, options, inputStream, stats);
    } catch (Exception e) {
        if (nullToEmpty(e.getMessage()).trim().equals("Filesystem closed") || e instanceof FileNotFoundException) {
            throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, e);
        }
        throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, splitError(e, path, start, length), e);
    }
    AggregatedMemoryContext memoryUsage = newSimpleAggregatedMemoryContext();
    try {
        Optional<OrcReader> optionalOrcReader = OrcReader.createOrcReader(orcDataSource, options);
        if (optionalOrcReader.isEmpty()) {
            return new EmptyPageSource();
        }
        OrcReader reader = optionalOrcReader.get();
        if (!originalFile && acidInfo.isPresent() && !acidInfo.get().isOrcAcidVersionValidated()) {
            validateOrcAcidVersion(path, reader);
        }
        List<OrcColumn> fileColumns = reader.getRootColumn().getNestedColumns();
        int actualColumnCount = columns.size() + (isFullAcid ? 3 : 0);
        List<OrcColumn> fileReadColumns = new ArrayList<>(actualColumnCount);
        List<Type> fileReadTypes = new ArrayList<>(actualColumnCount);
        List<OrcReader.ProjectedLayout> fileReadLayouts = new ArrayList<>(actualColumnCount);
        if (isFullAcid && !originalFilesPresent) {
            verifyAcidSchema(reader, path);
            Map<String, OrcColumn> acidColumnsByName = uniqueIndex(fileColumns, orcColumn -> orcColumn.getColumnName().toLowerCase(ENGLISH));
            fileColumns = ensureColumnNameConsistency(acidColumnsByName.get(AcidSchema.ACID_COLUMN_ROW_STRUCT.toLowerCase(ENGLISH)).getNestedColumns(), columns);
            fileReadColumns.add(acidColumnsByName.get(AcidSchema.ACID_COLUMN_ORIGINAL_TRANSACTION.toLowerCase(ENGLISH)));
            fileReadTypes.add(BIGINT);
            fileReadLayouts.add(fullyProjectedLayout());
            fileReadColumns.add(acidColumnsByName.get(AcidSchema.ACID_COLUMN_BUCKET.toLowerCase(ENGLISH)));
            fileReadTypes.add(INTEGER);
            fileReadLayouts.add(fullyProjectedLayout());
            fileReadColumns.add(acidColumnsByName.get(AcidSchema.ACID_COLUMN_ROW_ID.toLowerCase(ENGLISH)));
            fileReadTypes.add(BIGINT);
            fileReadLayouts.add(fullyProjectedLayout());
        }
        Map<String, OrcColumn> fileColumnsByName = ImmutableMap.of();
        if (useOrcColumnNames || isFullAcid) {
            verifyFileHasColumnNames(fileColumns, path);
            // Convert column names read from ORC files to lower case to be consistent with those stored in Hive Metastore
            fileColumnsByName = uniqueIndex(fileColumns, orcColumn -> orcColumn.getColumnName().toLowerCase(ENGLISH));
        }
        Map<String, List<List<String>>> projectionsByColumnName = ImmutableMap.of();
        Map<Integer, List<List<String>>> projectionsByColumnIndex = ImmutableMap.of();
        if (useOrcColumnNames || isFullAcid) {
            projectionsByColumnName = projections.stream().collect(Collectors.groupingBy(HiveColumnHandle::getBaseColumnName, mapping(OrcPageSourceFactory::getDereferencesAsList, toList())));
        } else {
            projectionsByColumnIndex = projections.stream().collect(Collectors.groupingBy(HiveColumnHandle::getBaseHiveColumnIndex, mapping(OrcPageSourceFactory::getDereferencesAsList, toList())));
        }
        TupleDomainOrcPredicateBuilder predicateBuilder = TupleDomainOrcPredicate.builder().setBloomFiltersEnabled(options.isBloomFiltersEnabled()).setDomainCompactionThreshold(domainCompactionThreshold);
        Map<HiveColumnHandle, Domain> effectivePredicateDomains = effectivePredicate.getDomains().orElseThrow(() -> new IllegalArgumentException("Effective predicate is none"));
        List<ColumnAdaptation> columnAdaptations = new ArrayList<>(columns.size());
        for (HiveColumnHandle column : columns) {
            OrcColumn orcColumn = null;
            OrcReader.ProjectedLayout projectedLayout = null;
            Map<Optional<HiveColumnProjectionInfo>, Domain> columnDomains = null;
            if (useOrcColumnNames || isFullAcid) {
                String columnName = column.getName().toLowerCase(ENGLISH);
                orcColumn = fileColumnsByName.get(columnName);
                if (orcColumn != null) {
                    projectedLayout = createProjectedLayout(orcColumn, projectionsByColumnName.get(columnName));
                    columnDomains = effectivePredicateDomains.entrySet().stream().filter(columnDomain -> columnDomain.getKey().getBaseColumnName().toLowerCase(ENGLISH).equals(columnName)).collect(toImmutableMap(columnDomain -> columnDomain.getKey().getHiveColumnProjectionInfo(), Map.Entry::getValue));
                }
            } else if (column.getBaseHiveColumnIndex() < fileColumns.size()) {
                orcColumn = fileColumns.get(column.getBaseHiveColumnIndex());
                if (orcColumn != null) {
                    projectedLayout = createProjectedLayout(orcColumn, projectionsByColumnIndex.get(column.getBaseHiveColumnIndex()));
                    columnDomains = effectivePredicateDomains.entrySet().stream().filter(columnDomain -> columnDomain.getKey().getBaseHiveColumnIndex() == column.getBaseHiveColumnIndex()).collect(toImmutableMap(columnDomain -> columnDomain.getKey().getHiveColumnProjectionInfo(), Map.Entry::getValue));
                }
            }
            Type readType = column.getType();
            if (orcColumn != null) {
                int sourceIndex = fileReadColumns.size();
                columnAdaptations.add(ColumnAdaptation.sourceColumn(sourceIndex));
                fileReadColumns.add(orcColumn);
                fileReadTypes.add(readType);
                fileReadLayouts.add(projectedLayout);
                // Add predicates on top-level and nested columns
                for (Map.Entry<Optional<HiveColumnProjectionInfo>, Domain> columnDomain : columnDomains.entrySet()) {
                    OrcColumn nestedColumn = getNestedColumn(orcColumn, columnDomain.getKey());
                    if (nestedColumn != null) {
                        predicateBuilder.addColumn(nestedColumn.getColumnId(), columnDomain.getValue());
                    }
                }
            } else {
                columnAdaptations.add(ColumnAdaptation.nullColumn(readType));
            }
        }
        OrcRecordReader recordReader = reader.createRecordReader(fileReadColumns, fileReadTypes, fileReadLayouts, predicateBuilder.build(), start, length, legacyFileTimeZone, memoryUsage, INITIAL_BATCH_SIZE, exception -> handleException(orcDataSource.getId(), exception), NameBasedFieldMapper::create);
        Optional<OrcDeletedRows> deletedRows = acidInfo.map(info -> new OrcDeletedRows(path.getName(), new OrcDeleteDeltaPageSourceFactory(options, identity, configuration, hdfsEnvironment, stats), identity, configuration, hdfsEnvironment, info, bucketNumber, memoryUsage));
        Optional<Long> originalFileRowId = acidInfo.filter(OrcPageSourceFactory::hasOriginalFiles).map(info -> OriginalFilesUtils.getPrecedingRowCount(acidInfo.get().getOriginalFiles(), path, hdfsEnvironment, identity, options, configuration, stats));
        if (transaction.isDelete()) {
            if (originalFile) {
                int bucket = bucketNumber.orElse(0);
                long startingRowId = originalFileRowId.orElse(0L);
                columnAdaptations.add(ColumnAdaptation.originalFileRowIdColumn(startingRowId, bucket));
            } else {
                columnAdaptations.add(ColumnAdaptation.rowIdColumn());
            }
        } else if (transaction.isUpdate()) {
            HiveUpdateProcessor updateProcessor = transaction.getUpdateProcessor().orElseThrow(() -> new IllegalArgumentException("updateProcessor not present"));
            List<HiveColumnHandle> dependencyColumns = projections.stream().filter(HiveColumnHandle::isBaseColumn).collect(toImmutableList());
            if (originalFile) {
                int bucket = bucketNumber.orElse(0);
                long startingRowId = originalFileRowId.orElse(0L);
                columnAdaptations.add(updatedRowColumnsWithOriginalFiles(startingRowId, bucket, updateProcessor, dependencyColumns));
            } else {
                columnAdaptations.add(updatedRowColumns(updateProcessor, dependencyColumns));
            }
        }
        return new OrcPageSource(recordReader, columnAdaptations, orcDataSource, deletedRows, originalFileRowId, memoryUsage, stats);
    } catch (Exception e) {
        try {
            orcDataSource.close();
        } catch (IOException ignored) {
        }
        if (e instanceof TrinoException) {
            throw (TrinoException) e;
        }
        String message = splitError(e, path, start, length);
        if (e instanceof BlockMissingException) {
            throw new TrinoException(HIVE_MISSING_DATA, message, e);
        }
        throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, message, e);
    }
}

Example 2 with HiveColumnHandle

use of io.trino.plugin.hive.HiveColumnHandle in project trino by trinodb.

the class ParquetPageSourceFactory method createPageSource.

/**
 * This method is available for other callers to use directly.
 */
public static ReaderPageSource createPageSource(Path path, long start, long length, long estimatedFileSize, List<HiveColumnHandle> columns, TupleDomain<HiveColumnHandle> effectivePredicate, boolean useColumnNames, HdfsEnvironment hdfsEnvironment, Configuration configuration, ConnectorIdentity identity, DateTimeZone timeZone, FileFormatDataSourceStats stats, ParquetReaderOptions options) {
    // Ignore predicates on partial columns for now.
    effectivePredicate = effectivePredicate.filter((column, domain) -> column.isBaseColumn());
    MessageType fileSchema;
    MessageType requestedSchema;
    MessageColumnIO messageColumn;
    ParquetReader parquetReader;
    ParquetDataSource dataSource = null;
    try {
        FileSystem fileSystem = hdfsEnvironment.getFileSystem(identity, path, configuration);
        FSDataInputStream inputStream = hdfsEnvironment.doAs(identity, () -> fileSystem.open(path));
        dataSource = new HdfsParquetDataSource(new ParquetDataSourceId(path.toString()), estimatedFileSize, inputStream, stats, options);
        ParquetMetadata parquetMetadata = MetadataReader.readFooter(dataSource);
        FileMetaData fileMetaData = parquetMetadata.getFileMetaData();
        fileSchema = fileMetaData.getSchema();
        Optional<MessageType> message = projectSufficientColumns(columns).map(projection -> projection.get().stream().map(HiveColumnHandle.class::cast).collect(toUnmodifiableList())).orElse(columns).stream().filter(column -> column.getColumnType() == REGULAR).map(column -> getColumnType(column, fileSchema, useColumnNames)).filter(Optional::isPresent).map(Optional::get).map(type -> new MessageType(fileSchema.getName(), type)).reduce(MessageType::union);
        requestedSchema = message.orElse(new MessageType(fileSchema.getName(), ImmutableList.of()));
        messageColumn = getColumnIO(fileSchema, requestedSchema);
        Map<List<String>, RichColumnDescriptor> descriptorsByPath = getDescriptors(fileSchema, requestedSchema);
        TupleDomain<ColumnDescriptor> parquetTupleDomain = options.isIgnoreStatistics() ? TupleDomain.all() : getParquetTupleDomain(descriptorsByPath, effectivePredicate, fileSchema, useColumnNames);
        Predicate parquetPredicate = buildPredicate(requestedSchema, parquetTupleDomain, descriptorsByPath, timeZone);
        long nextStart = 0;
        ImmutableList.Builder<BlockMetaData> blocks = ImmutableList.builder();
        ImmutableList.Builder<Long> blockStarts = ImmutableList.builder();
        ImmutableList.Builder<Optional<ColumnIndexStore>> columnIndexes = ImmutableList.builder();
        for (BlockMetaData block : parquetMetadata.getBlocks()) {
            long firstDataPage = block.getColumns().get(0).getFirstDataPageOffset();
            Optional<ColumnIndexStore> columnIndex = getColumnIndexStore(dataSource, block, descriptorsByPath, parquetTupleDomain, options);
            if (start <= firstDataPage && firstDataPage < start + length && predicateMatches(parquetPredicate, block, dataSource, descriptorsByPath, parquetTupleDomain, columnIndex)) {
                blocks.add(block);
                blockStarts.add(nextStart);
                columnIndexes.add(columnIndex);
            }
            nextStart += block.getRowCount();
        }
        parquetReader = new ParquetReader(Optional.ofNullable(fileMetaData.getCreatedBy()), messageColumn, blocks.build(), Optional.of(blockStarts.build()), dataSource, timeZone, newSimpleAggregatedMemoryContext(), options, parquetPredicate, columnIndexes.build());
    } catch (Exception e) {
        try {
            if (dataSource != null) {
                dataSource.close();
            }
        } catch (IOException ignored) {
        }
        if (e instanceof TrinoException) {
            throw (TrinoException) e;
        }
        if (e instanceof ParquetCorruptionException) {
            throw new TrinoException(HIVE_BAD_DATA, e);
        }
        if (nullToEmpty(e.getMessage()).trim().equals("Filesystem closed") || e instanceof FileNotFoundException) {
            throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, e);
        }
        String message = format("Error opening Hive split %s (offset=%s, length=%s): %s", path, start, length, e.getMessage());
        if (e instanceof BlockMissingException) {
            throw new TrinoException(HIVE_MISSING_DATA, message, e);
        }
        throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, message, e);
    }
    Optional<ReaderColumns> readerProjections = projectBaseColumns(columns);
    List<HiveColumnHandle> baseColumns = readerProjections.map(projection -> projection.get().stream().map(HiveColumnHandle.class::cast).collect(toUnmodifiableList())).orElse(columns);
    for (HiveColumnHandle column : baseColumns) {
        checkArgument(column == PARQUET_ROW_INDEX_COLUMN || column.getColumnType() == REGULAR, "column type must be REGULAR: %s", column);
    }
    ImmutableList.Builder<Type> trinoTypes = ImmutableList.builder();
    ImmutableList.Builder<Optional<Field>> internalFields = ImmutableList.builder();
    ImmutableList.Builder<Boolean> rowIndexColumns = ImmutableList.builder();
    for (HiveColumnHandle column : baseColumns) {
        trinoTypes.add(column.getBaseType());
        rowIndexColumns.add(column == PARQUET_ROW_INDEX_COLUMN);
        if (column == PARQUET_ROW_INDEX_COLUMN) {
            internalFields.add(Optional.empty());
        } else {
            internalFields.add(Optional.ofNullable(getParquetType(column, fileSchema, useColumnNames)).flatMap(field -> {
                String columnName = useColumnNames ? column.getBaseColumnName() : fileSchema.getFields().get(column.getBaseHiveColumnIndex()).getName();
                return constructField(column.getBaseType(), lookupColumnByName(messageColumn, columnName));
            }));
        }
    }
    ConnectorPageSource parquetPageSource = new ParquetPageSource(parquetReader, trinoTypes.build(), rowIndexColumns.build(), internalFields.build());
    return new ReaderPageSource(parquetPageSource, readerProjections);
}

Example 3 with HiveColumnHandle

use of io.trino.plugin.hive.HiveColumnHandle in project trino by trinodb.

the class RcFilePageSourceFactory method createPageSource.

@Override
public Optional<ReaderPageSource> createPageSource(Configuration configuration, ConnectorSession session, Path path, long start, long length, long estimatedFileSize, Properties schema, List<HiveColumnHandle> columns, TupleDomain<HiveColumnHandle> effectivePredicate, Optional<AcidInfo> acidInfo, OptionalInt bucketNumber, boolean originalFile, AcidTransaction transaction) {
    RcFileEncoding rcFileEncoding;
    String deserializerClassName = getDeserializerClassName(schema);
    if (deserializerClassName.equals(LazyBinaryColumnarSerDe.class.getName())) {
        rcFileEncoding = new BinaryRcFileEncoding(timeZone);
    } else if (deserializerClassName.equals(ColumnarSerDe.class.getName())) {
        rcFileEncoding = createTextVectorEncoding(schema);
    } else {
        return Optional.empty();
    }
    checkArgument(acidInfo.isEmpty(), "Acid is not supported");
    List<HiveColumnHandle> projectedReaderColumns = columns;
    Optional<ReaderColumns> readerProjections = projectBaseColumns(columns);
    if (readerProjections.isPresent()) {
        projectedReaderColumns = readerProjections.get().get().stream().map(HiveColumnHandle.class::cast).collect(toImmutableList());
    }
    RcFileDataSource dataSource;
    try {
        FileSystem fileSystem = hdfsEnvironment.getFileSystem(session.getIdentity(), path, configuration);
        FSDataInputStream inputStream = hdfsEnvironment.doAs(session.getIdentity(), () -> fileSystem.open(path));
        if (estimatedFileSize < BUFFER_SIZE.toBytes()) {
            // Handle potentially imprecise file lengths by reading the footer
            try {
                FSDataInputStreamTail fileTail = FSDataInputStreamTail.readTail(path.toString(), estimatedFileSize, inputStream, toIntExact(BUFFER_SIZE.toBytes()));
                dataSource = new MemoryRcFileDataSource(new RcFileDataSourceId(path.toString()), fileTail.getTailSlice());
            } finally {
                inputStream.close();
            }
        } else {
            long fileSize = hdfsEnvironment.doAs(session.getIdentity(), () -> fileSystem.getFileStatus(path).getLen());
            dataSource = new HdfsRcFileDataSource(path.toString(), inputStream, fileSize, stats);
        }
    } catch (Exception e) {
        if (nullToEmpty(e.getMessage()).trim().equals("Filesystem closed") || e instanceof FileNotFoundException) {
            throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, e);
        }
        throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, splitError(e, path, start, length), e);
    }
    length = min(dataSource.getSize() - start, length);
    // Split may be empty now that the correct file size is known
    if (length <= 0) {
        return Optional.of(noProjectionAdaptation(new EmptyPageSource()));
    }
    try {
        ImmutableMap.Builder<Integer, Type> readColumns = ImmutableMap.builder();
        HiveTimestampPrecision timestampPrecision = getTimestampPrecision(session);
        for (HiveColumnHandle column : projectedReaderColumns) {
            readColumns.put(column.getBaseHiveColumnIndex(), column.getHiveType().getType(typeManager, timestampPrecision));
        }
        RcFileReader rcFileReader = new RcFileReader(dataSource, rcFileEncoding, readColumns.buildOrThrow(), new AircompressorCodecFactory(new HadoopCodecFactory(configuration.getClassLoader())), start, length, BUFFER_SIZE);
        ConnectorPageSource pageSource = new RcFilePageSource(rcFileReader, projectedReaderColumns);
        return Optional.of(new ReaderPageSource(pageSource, readerProjections));
    } catch (Throwable e) {
        try {
            dataSource.close();
        } catch (IOException ignored) {
        }
        if (e instanceof TrinoException) {
            throw (TrinoException) e;
        }
        String message = splitError(e, path, start, length);
        if (e instanceof RcFileCorruptionException) {
            throw new TrinoException(HIVE_BAD_DATA, message, e);
        }
        if (e instanceof BlockMissingException) {
            throw new TrinoException(HIVE_MISSING_DATA, message, e);
        }
        throw new TrinoException(HIVE_CANNOT_OPEN_SPLIT, message, e);
    }
}

Example 4 with HiveColumnHandle

use of io.trino.plugin.hive.HiveColumnHandle in project trino by trinodb.

the class HiveUtil method getRegularColumnHandles.

public static List<HiveColumnHandle> getRegularColumnHandles(Table table, TypeManager typeManager, HiveTimestampPrecision timestampPrecision) {
    ImmutableList.Builder<HiveColumnHandle> columns = ImmutableList.builder();
    int hiveColumnIndex = 0;
    for (Column field : table.getDataColumns()) {
        // ignore unsupported types rather than failing
        HiveType hiveType = field.getType();
        if (hiveType.isSupportedType(table.getStorage().getStorageFormat())) {
            columns.add(createBaseColumn(field.getName(), hiveColumnIndex, hiveType, hiveType.getType(typeManager, timestampPrecision), REGULAR, field.getComment()));
        }
        hiveColumnIndex++;
    }
    return columns.build();
}

Example 5 with HiveColumnHandle

use of io.trino.plugin.hive.HiveColumnHandle in project trino by trinodb.

the class HiveBucketing method getHiveBucketFilter.

public static Optional<HiveBucketFilter> getHiveBucketFilter(HiveTableHandle hiveTable, TupleDomain<ColumnHandle> effectivePredicate) {
    if (hiveTable.getBucketHandle().isEmpty()) {
        return Optional.empty();
    }
    HiveBucketProperty hiveBucketProperty = hiveTable.getBucketHandle().get().toTableBucketProperty();
    List<Column> dataColumns = hiveTable.getDataColumns().stream().map(HiveColumnHandle::toMetastoreColumn).collect(toImmutableList());
    Optional<Map<ColumnHandle, List<NullableValue>>> bindings = TupleDomain.extractDiscreteValues(effectivePredicate);
    if (bindings.isEmpty()) {
        return Optional.empty();
    }
    Optional<Set<Integer>> buckets = getHiveBuckets(hiveBucketProperty, dataColumns, bindings.get());
    if (buckets.isPresent()) {
        return Optional.of(new HiveBucketFilter(buckets.get()));
    }
    Optional<Domain> domain = effectivePredicate.getDomains().flatMap(domains -> domains.entrySet().stream().filter(entry -> ((HiveColumnHandle) entry.getKey()).getName().equals(BUCKET_COLUMN_NAME)).findFirst().map(Entry::getValue));
    if (domain.isEmpty()) {
        return Optional.empty();
    }
    ValueSet values = domain.get().getValues();
    ImmutableSet.Builder<Integer> builder = ImmutableSet.builder();
    int bucketCount = hiveBucketProperty.getBucketCount();
    for (int i = 0; i < bucketCount; i++) {
        if (values.containsValue((long) i)) {
            builder.add(i);
        }
    }
    return Optional.of(new HiveBucketFilter(builder.build()));
}