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Example 11 with MetadataType

use of org.apache.drill.metastore.metadata.MetadataType in project drill by apache.

the class MetadataHandlerBatch method writeMetadataUsingBatchSchema.

private <T extends BaseMetadata & LocationProvider> VectorContainer writeMetadataUsingBatchSchema(List<T> metadataList) {
    Preconditions.checkArgument(!metadataList.isEmpty(), "Metadata list shouldn't be empty.");
    ResultSetLoader resultSetLoader = getResultSetLoaderWithBatchSchema();
    resultSetLoader.startBatch();
    RowSetLoader rowWriter = resultSetLoader.writer();
    Iterator<T> segmentsIterator = metadataList.iterator();
    while (!rowWriter.isFull() && segmentsIterator.hasNext()) {
        T metadata = segmentsIterator.next();
        metadataToHandle.remove(metadata.getMetadataInfo().identifier());
        List<Object> arguments = new ArrayList<>();
        for (VectorWrapper<?> vectorWrapper : container) {
            String[] identifierValues = Arrays.copyOf(MetadataIdentifierUtils.getValuesFromMetadataIdentifier(metadata.getMetadataInfo().identifier()), popConfig.getContext().segmentColumns().size());
            MaterializedField field = vectorWrapper.getField();
            String fieldName = field.getName();
            if (fieldName.equals(MetastoreAnalyzeConstants.LOCATION_FIELD)) {
                arguments.add(metadata.getPath().toUri().getPath());
            } else if (fieldName.equals(MetastoreAnalyzeConstants.LOCATIONS_FIELD)) {
                if (metadataType == MetadataType.SEGMENT) {
                    arguments.add(((SegmentMetadata) metadata).getLocations().stream().map(path -> path.toUri().getPath()).toArray(String[]::new));
                } else {
                    arguments.add(null);
                }
            } else if (popConfig.getContext().segmentColumns().contains(fieldName)) {
                arguments.add(identifierValues[popConfig.getContext().segmentColumns().indexOf(fieldName)]);
            } else if (AnalyzeColumnUtils.isColumnStatisticsField(fieldName)) {
                arguments.add(metadata.getColumnStatistics(SchemaPath.parseFromString(AnalyzeColumnUtils.getColumnName(fieldName))).get(AnalyzeColumnUtils.getStatisticsKind(fieldName)));
            } else if (AnalyzeColumnUtils.isMetadataStatisticsField(fieldName)) {
                arguments.add(metadata.getStatistic(AnalyzeColumnUtils.getStatisticsKind(fieldName)));
            } else if (fieldName.equals(MetastoreAnalyzeConstants.COLLECTED_MAP_FIELD)) {
                // collectedMap field value
                arguments.add(new Object[] {});
            } else if (fieldName.equals(MetastoreAnalyzeConstants.SCHEMA_FIELD)) {
                arguments.add(metadata.getSchema().jsonString());
            } else if (fieldName.equals(columnNamesOptions.lastModifiedTime())) {
                arguments.add(String.valueOf(metadata.getLastModifiedTime()));
            } else if (fieldName.equals(columnNamesOptions.rowGroupIndex())) {
                arguments.add(String.valueOf(((RowGroupMetadata) metadata).getRowGroupIndex()));
            } else if (fieldName.equals(columnNamesOptions.rowGroupStart())) {
                arguments.add(Long.toString(metadata.getStatistic(() -> ExactStatisticsConstants.START)));
            } else if (fieldName.equals(columnNamesOptions.rowGroupLength())) {
                arguments.add(Long.toString(metadata.getStatistic(() -> ExactStatisticsConstants.LENGTH)));
            } else if (fieldName.equals(MetastoreAnalyzeConstants.METADATA_TYPE)) {
                arguments.add(metadataType.name());
            } else {
                throw new UnsupportedOperationException(String.format("Found unexpected field [%s] in incoming batch.", field));
            }
        }
        rowWriter.addRow(arguments.toArray());
    }
    return resultSetLoader.harvest();
}
Also used : AbstractSingleRecordBatch(org.apache.drill.exec.record.AbstractSingleRecordBatch) MetadataType(org.apache.drill.metastore.metadata.MetadataType) Arrays(java.util.Arrays) LoggerFactory(org.slf4j.LoggerFactory) Types(org.apache.drill.common.types.Types) MetadataInfo(org.apache.drill.metastore.metadata.MetadataInfo) RowSetReader(org.apache.drill.exec.physical.rowSet.RowSetReader) VectorContainer(org.apache.drill.exec.record.VectorContainer) SchemaBuilder(org.apache.drill.exec.record.metadata.SchemaBuilder) ResultSetLoaderImpl(org.apache.drill.exec.physical.resultSet.impl.ResultSetLoaderImpl) Map(java.util.Map) Path(org.apache.hadoop.fs.Path) BatchSchema(org.apache.drill.exec.record.BatchSchema) BasicTablesRequests(org.apache.drill.metastore.components.tables.BasicTablesRequests) SegmentMetadata(org.apache.drill.metastore.metadata.SegmentMetadata) SchemaPath(org.apache.drill.common.expression.SchemaPath) RecordBatch(org.apache.drill.exec.record.RecordBatch) MetastoreAnalyzeConstants(org.apache.drill.exec.metastore.analyze.MetastoreAnalyzeConstants) Collectors(java.util.stream.Collectors) List(java.util.List) MinorType(org.apache.drill.common.types.TypeProtos.MinorType) ResultSetOptionBuilder(org.apache.drill.exec.physical.resultSet.impl.ResultSetOptionBuilder) Preconditions(org.apache.drill.shaded.guava.com.google.common.base.Preconditions) MetadataIdentifierUtils(org.apache.drill.exec.metastore.analyze.MetadataIdentifierUtils) MaterializedField(org.apache.drill.exec.record.MaterializedField) VectorWrapper(org.apache.drill.exec.record.VectorWrapper) Function(java.util.function.Function) ColumnNamesOptions(org.apache.drill.exec.metastore.ColumnNamesOptions) ArrayList(java.util.ArrayList) OutOfMemoryException(org.apache.drill.exec.exception.OutOfMemoryException) RowSetLoader(org.apache.drill.exec.physical.resultSet.RowSetLoader) DirectRowSet(org.apache.drill.exec.physical.rowSet.DirectRowSet) StreamSupport(java.util.stream.StreamSupport) NONE(org.apache.drill.exec.record.RecordBatch.IterOutcome.NONE) FragmentContext(org.apache.drill.exec.ops.FragmentContext) FileMetadata(org.apache.drill.metastore.metadata.FileMetadata) BaseMetadata(org.apache.drill.metastore.metadata.BaseMetadata) Logger(org.slf4j.Logger) ResultSetLoader(org.apache.drill.exec.physical.resultSet.ResultSetLoader) Iterator(java.util.Iterator) ExactStatisticsConstants(org.apache.drill.metastore.statistics.ExactStatisticsConstants) RowGroupMetadata(org.apache.drill.metastore.metadata.RowGroupMetadata) StatisticsKind(org.apache.drill.metastore.statistics.StatisticsKind) MetadataHandlerPOP(org.apache.drill.exec.physical.config.MetadataHandlerPOP) LocationProvider(org.apache.drill.metastore.metadata.LocationProvider) VarCharVector(org.apache.drill.exec.vector.VarCharVector) Tables(org.apache.drill.metastore.components.tables.Tables) Comparator(java.util.Comparator) AnalyzeColumnUtils(org.apache.drill.exec.metastore.analyze.AnalyzeColumnUtils) Collections(java.util.Collections) ArrayList(java.util.ArrayList) MaterializedField(org.apache.drill.exec.record.MaterializedField) RowGroupMetadata(org.apache.drill.metastore.metadata.RowGroupMetadata) ResultSetLoader(org.apache.drill.exec.physical.resultSet.ResultSetLoader) RowSetLoader(org.apache.drill.exec.physical.resultSet.RowSetLoader)

Aggregations

MetadataType (org.apache.drill.metastore.metadata.MetadataType)11 SchemaPath (org.apache.drill.common.expression.SchemaPath)9 Path (org.apache.hadoop.fs.Path)7 Arrays (java.util.Arrays)6 Collections (java.util.Collections)6 List (java.util.List)6 Collectors (java.util.stream.Collectors)6 FileMetadata (org.apache.drill.metastore.metadata.FileMetadata)6 MetadataInfo (org.apache.drill.metastore.metadata.MetadataInfo)6 RowGroupMetadata (org.apache.drill.metastore.metadata.RowGroupMetadata)6 SegmentMetadata (org.apache.drill.metastore.metadata.SegmentMetadata)6 ArrayList (java.util.ArrayList)5 Map (java.util.Map)5 HashSet (java.util.HashSet)4 MetastoreTest (org.apache.drill.categories.MetastoreTest)4 SchemaBuilder (org.apache.drill.exec.record.metadata.SchemaBuilder)4 BaseMetadata (org.apache.drill.metastore.metadata.BaseMetadata)4 HashMap (java.util.HashMap)3 Set (java.util.Set)3 TupleMetadata (org.apache.drill.exec.record.metadata.TupleMetadata)3