Examples with Layout alluxio.grpc.table.Layout used on opensource projects

Example 1 with Layout

use of alluxio.grpc.table.Layout in project presto by prestodb.

the class AlluxioProtoUtils method fromProto.

public static Table fromProto(alluxio.grpc.table.TableInfo table) {
    if (!table.hasLayout()) {
        throw new UnsupportedOperationException("Unsupported table metadata. missing layout.");
    }
    Layout layout = table.getLayout();
    if (!alluxio.table.ProtoUtils.isHiveLayout(layout)) {
        throw new UnsupportedOperationException("Unsupported table layout: " + layout);
    }
    try {
        PartitionInfo partitionInfo = alluxio.table.ProtoUtils.toHiveLayout(layout);
        // compute the data columns
        Set<String> partitionColumns = table.getPartitionColsList().stream().map(FieldSchema::getName).collect(toImmutableSet());
        List<FieldSchema> dataColumns = table.getSchema().getColsList().stream().filter((field) -> !partitionColumns.contains(field.getName())).collect(toImmutableList());
        Table.Builder builder = Table.builder().setDatabaseName(table.getDbName()).setTableName(table.getTableName()).setOwner(table.getOwner()).setTableType(PrestoTableType.OTHER).setDataColumns(dataColumns.stream().map(AlluxioProtoUtils::fromProto).collect(toImmutableList())).setPartitionColumns(table.getPartitionColsList().stream().map(AlluxioProtoUtils::fromProto).collect(toImmutableList())).setParameters(table.getParametersMap()).setViewOriginalText(Optional.empty()).setViewExpandedText(Optional.empty());
        alluxio.grpc.table.layout.hive.Storage storage = partitionInfo.getStorage();
        // TODO: We should also set storage parameters here when they are available in alluxio.grpc.table.layout.hive.Storage
        builder.getStorageBuilder().setSkewed(storage.getSkewed()).setStorageFormat(fromProto(storage.getStorageFormat())).setLocation(storage.getLocation()).setBucketProperty(storage.hasBucketProperty() ? fromProto(storage.getBucketProperty()) : Optional.empty()).setSerdeParameters(storage.getStorageFormat().getSerdelibParametersMap());
        return builder.build();
    } catch (InvalidProtocolBufferException e) {
        throw new IllegalArgumentException("Failed to extract PartitionInfo from TableInfo", e);
    }
}

Example 2 with Layout

use of alluxio.grpc.table.Layout in project alluxio by Alluxio.

the class GlueDatabase method getTable.

@Override
public UdbTable getTable(String tableName, UdbBypassSpec bypassSpec) throws IOException {
    Table table;
    List<Partition> partitions;
    try {
        GetTableRequest tableRequest = new GetTableRequest().withCatalogId(mGlueConfiguration.get(Property.CATALOG_ID)).withDatabaseName(mGlueDbName).withName(tableName);
        table = getClient().getTable(tableRequest).getTable();
        partitions = batchGetPartitions(getClient(), tableName);
        PathTranslator pathTranslator = mountAlluxioPaths(table, partitions, bypassSpec);
        List<Column> partitionColumns;
        if (table.getPartitionKeys() == null) {
            partitionColumns = Collections.emptyList();
        } else {
            partitionColumns = table.getPartitionKeys();
        }
        // Get table parameters
        Map<String, String> tableParameters = table.getParameters() == null ? Collections.emptyMap() : table.getParameters();
        // Get column statistics info for table
        List<String> columnNames = table.getStorageDescriptor().getColumns().stream().map(Column::getName).collect(Collectors.toList());
        GetColumnStatisticsForTableRequest getColumnStatisticsForTableRequest = new GetColumnStatisticsForTableRequest().withCatalogId(mGlueConfiguration.get(Property.CATALOG_ID)).withDatabaseName(mGlueDbName).withTableName(tableName).withColumnNames(columnNames);
        List<ColumnStatisticsInfo> columnStatisticsTableData = new ArrayList<>();
        if (mGlueConfiguration.getBoolean(Property.TABLE_COLUMN_STATISTICS_ENABLE)) {
            columnStatisticsTableData = getTableColumnStatistics(mGlueDbName, tableName, getColumnStatisticsForTableRequest);
        }
        // Get column statistics info for partitions
        // potential expensive call
        Map<String, List<ColumnStatisticsInfo>> statsMap = new HashMap<>();
        if (mGlueConfiguration.getBoolean(Property.PARTITION_COLUMN_STATISTICS_ENABLE)) {
            for (Partition partition : partitions) {
                List<String> partitionValue = partition.getValues();
                if (partitionValue != null) {
                    GetColumnStatisticsForPartitionRequest getColumnStatisticsForPartitionRequest = new GetColumnStatisticsForPartitionRequest().withCatalogId(mGlueConfiguration.get(Property.CATALOG_ID)).withDatabaseName(mGlueDbName).withTableName(tableName).withColumnNames(columnNames).withPartitionValues(partitionValue);
                    String partName = GlueUtils.makePartitionName(partitionColumns, partition.getValues());
                    statsMap.put(partName, getPartitionColumnStatistics(mGlueDbName, tableName, getColumnStatisticsForPartitionRequest));
                }
            }
        }
        PartitionInfo partitionInfo = PartitionInfo.newBuilder().setDbName(mGlueDbName).setTableName(tableName).addAllDataCols(GlueUtils.toProto(table.getStorageDescriptor().getColumns())).setStorage(GlueUtils.toProto(table.getStorageDescriptor(), pathTranslator)).putAllParameters(tableParameters).build();
        Layout layout = Layout.newBuilder().setLayoutType(HiveLayout.TYPE).setLayoutData(partitionInfo.toByteString()).build();
        List<UdbPartition> udbPartitions = new ArrayList<>();
        if (partitionColumns.isEmpty()) {
            PartitionInfo.Builder partitionInfoBuilder = PartitionInfo.newBuilder().setDbName(mGlueDbName).setTableName(tableName).addAllDataCols(GlueUtils.toProto(table.getStorageDescriptor().getColumns())).setStorage(GlueUtils.toProto(table.getStorageDescriptor(), pathTranslator)).setPartitionName(tableName).putAllParameters(tableParameters);
            udbPartitions.add(new GluePartition(new HiveLayout(partitionInfoBuilder.build(), Collections.emptyList())));
        } else {
            for (Partition partition : partitions) {
                String partName = GlueUtils.makePartitionName(partitionColumns, partition.getValues());
                PartitionInfo.Builder partitionInfoBuilder = PartitionInfo.newBuilder().setDbName(mGlueDbName).setTableName(tableName).addAllDataCols(GlueUtils.toProto(partition.getStorageDescriptor().getColumns())).setStorage(GlueUtils.toProto(partition.getStorageDescriptor(), pathTranslator)).setPartitionName(partName).putAllParameters(partition.getParameters() == null ? Collections.emptyMap() : partition.getParameters());
                if (partition.getValues() != null) {
                    partitionInfoBuilder.addAllValues(partition.getValues());
                }
                udbPartitions.add(new GluePartition(new HiveLayout(partitionInfoBuilder.build(), statsMap.getOrDefault(partName, Collections.emptyList()))));
            }
        }
        return new GlueTable(this, pathTranslator, tableName, GlueUtils.toProtoSchema(table.getStorageDescriptor().getColumns()), columnStatisticsTableData, // Get FieldSchema from partition keys
        GlueUtils.toProto(table.getPartitionKeys()), udbPartitions, layout, table);
    } catch (EntityNotFoundException e) {
        throw new NotFoundException("Table " + tableName + " does not exist in Database: " + mGlueDbName + "; Catalog ID: " + mGlueConfiguration.get(Property.CATALOG_ID) + ".", e);
    } catch (ValidationException e) {
        throw new IOException("Failed to get table: " + tableName + " in Database: " + mGlueDbName + "; Catalog ID: " + mGlueConfiguration.get(Property.CATALOG_ID) + " with validation error: " + e.getMessage(), e);
    } catch (GlueEncryptionException e) {
        throw new IOException("Failed to get table: " + tableName + " in Database: " + mGlueDbName + "; Catalog ID: " + mGlueConfiguration.get(Property.CATALOG_ID) + " error: " + e.getMessage(), e);
    }
}

Example 3 with Layout

use of alluxio.grpc.table.Layout in project alluxio by Alluxio.

the class HiveDatabase method getTable.

@Override
public UdbTable getTable(String tableName, UdbBypassSpec bypassSpec) throws IOException {
    try {
        Table table;
        List<Partition> partitions;
        List<ColumnStatisticsObj> columnStats;
        List<String> partitionColumns;
        Map<String, List<ColumnStatisticsInfo>> statsMap = new HashMap<>();
        // perform all the hive client operations, and release the client early.
        try (CloseableResource<IMetaStoreClient> client = mClientPool.acquireClientResource()) {
            table = client.get().getTable(mHiveDbName, tableName);
            // Potentially expensive call
            partitions = client.get().listPartitions(mHiveDbName, table.getTableName(), (short) -1);
            List<String> colNames = table.getSd().getCols().stream().map(FieldSchema::getName).collect(Collectors.toList());
            columnStats = client.get().getTableColumnStatistics(mHiveDbName, tableName, colNames);
            // construct the partition statistics
            List<String> dataColumns = table.getSd().getCols().stream().map(org.apache.hadoop.hive.metastore.api.FieldSchema::getName).collect(Collectors.toList());
            partitionColumns = table.getPartitionKeys().stream().map(org.apache.hadoop.hive.metastore.api.FieldSchema::getName).collect(Collectors.toList());
            List<String> partitionNames = partitions.stream().map(partition -> FileUtils.makePartName(partitionColumns, partition.getValues())).collect(Collectors.toList());
            for (List<String> partialPartitionNames : Lists.partition(partitionNames, MAX_PARTITION_COLUMN_STATISTICS)) {
                statsMap.putAll(client.get().getPartitionColumnStatistics(mHiveDbName, tableName, partialPartitionNames, dataColumns).entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().stream().map(HiveUtils::toProto).collect(Collectors.toList()), (e1, e2) -> e2)));
            }
        }
        PathTranslator pathTranslator = mountAlluxioPaths(table, partitions, bypassSpec);
        List<ColumnStatisticsInfo> colStats = columnStats.stream().map(HiveUtils::toProto).collect(Collectors.toList());
        // construct table layout
        PartitionInfo partitionInfo = PartitionInfo.newBuilder().setDbName(getUdbContext().getDbName()).setTableName(tableName).addAllDataCols(HiveUtils.toProto(table.getSd().getCols())).setStorage(HiveUtils.toProto(table.getSd(), pathTranslator)).putAllParameters(table.getParameters()).build();
        Layout layout = Layout.newBuilder().setLayoutType(HiveLayout.TYPE).setLayoutData(partitionInfo.toByteString()).build();
        // create udb partitions info
        List<UdbPartition> udbPartitions = new ArrayList<>();
        if (partitionColumns.isEmpty()) {
            // unpartitioned table, generate a partition
            PartitionInfo.Builder pib = PartitionInfo.newBuilder().setDbName(getUdbContext().getDbName()).setTableName(tableName).addAllDataCols(HiveUtils.toProto(table.getSd().getCols())).setStorage(HiveUtils.toProto(table.getSd(), pathTranslator)).setPartitionName(tableName).putAllParameters(table.getParameters());
            udbPartitions.add(new HivePartition(new HiveLayout(pib.build(), Collections.emptyList())));
        } else {
            for (Partition partition : partitions) {
                String partName = FileUtils.makePartName(partitionColumns, partition.getValues());
                PartitionInfo.Builder pib = PartitionInfo.newBuilder().setDbName(getUdbContext().getDbName()).setTableName(tableName).addAllDataCols(HiveUtils.toProto(partition.getSd().getCols())).setStorage(HiveUtils.toProto(partition.getSd(), pathTranslator)).setPartitionName(partName).putAllParameters(partition.getParameters());
                if (partition.getValues() != null) {
                    pib.addAllValues(partition.getValues());
                }
                udbPartitions.add(new HivePartition(new HiveLayout(pib.build(), statsMap.getOrDefault(partName, Collections.emptyList()))));
            }
        }
        return new HiveTable(tableName, HiveUtils.toProtoSchema(table.getSd().getCols()), colStats, HiveUtils.toProto(table.getPartitionKeys()), udbPartitions, layout, table);
    } catch (NoSuchObjectException e) {
        throw new NotFoundException("Table " + tableName + " does not exist.", e);
    } catch (TException e) {
        throw new IOException("Failed to get table: " + tableName + " error: " + e.getMessage(), e);
    }
}