Examples with DrillScreenRel org.apache.drill.exec.planner.logical.DrillScreenRel used on opensource projects

Example 1 with DrillScreenRel

use of org.apache.drill.exec.planner.logical.DrillScreenRel in project drill by apache.

the class DefaultSqlHandler method convertToDrel.

/**
   * Return Drill Logical RelNode tree for a SELECT statement, when it is executed / explained directly.
   *
   * @param relNode : root RelNode corresponds to Calcite Logical RelNode.
   * @param validatedRowType : the rowType for the final field names. A rename project may be placed on top of the root.
   * @return
   * @throws RelConversionException
   * @throws SqlUnsupportedException
   */
protected DrillRel convertToDrel(RelNode relNode, RelDataType validatedRowType) throws RelConversionException, SqlUnsupportedException {
    final DrillRel convertedRelNode = convertToDrel(relNode);
    // Put a non-trivial topProject to ensure the final output field name is preserved, when necessary.
    DrillRel topPreservedNameProj = addRenamedProject(convertedRelNode, validatedRowType);
    return new DrillScreenRel(topPreservedNameProj.getCluster(), topPreservedNameProj.getTraitSet(), topPreservedNameProj);
}

Example 2 with DrillScreenRel

use of org.apache.drill.exec.planner.logical.DrillScreenRel in project drill by apache.

the class MetastoreAnalyzeTableHandler method convertToDrel.

/**
 * Converts to Drill logical plan
 */
private DrillRel convertToDrel(RelNode relNode, SqlMetastoreAnalyzeTable sqlAnalyzeTable, DrillTableInfo drillTableInfo) throws ForemanSetupException, IOException {
    RelBuilder relBuilder = LOGICAL_BUILDER.create(relNode.getCluster(), null);
    DrillTable table = drillTableInfo.drillTable();
    AnalyzeInfoProvider analyzeInfoProvider = table.getGroupScan().getAnalyzeInfoProvider();
    List<String> schemaPath = drillTableInfo.schemaPath();
    String pluginName = schemaPath.get(0);
    String workspaceName = Strings.join(schemaPath.subList(1, schemaPath.size()), AbstractSchema.SCHEMA_SEPARATOR);
    String tableName = drillTableInfo.tableName();
    TableInfo tableInfo = TableInfo.builder().name(tableName).owner(table.getUserName()).type(analyzeInfoProvider.getTableTypeName()).storagePlugin(pluginName).workspace(workspaceName).build();
    ColumnNamesOptions columnNamesOptions = new ColumnNamesOptions(context.getOptions());
    List<String> segmentColumns = analyzeInfoProvider.getSegmentColumns(table, columnNamesOptions).stream().map(SchemaPath::getRootSegmentPath).collect(Collectors.toList());
    List<NamedExpression> segmentExpressions = segmentColumns.stream().map(partitionName -> new NamedExpression(SchemaPath.getSimplePath(partitionName), FieldReference.getWithQuotedRef(partitionName))).collect(Collectors.toList());
    List<MetadataInfo> rowGroupsInfo = Collections.emptyList();
    List<MetadataInfo> filesInfo = Collections.emptyList();
    Multimap<Integer, MetadataInfo> segments = ArrayListMultimap.create();
    BasicTablesRequests basicRequests;
    try {
        basicRequests = context.getMetastoreRegistry().get().tables().basicRequests();
    } catch (MetastoreException e) {
        logger.error("Error when obtaining Metastore instance for table {}", tableName, e);
        DrillRel convertedRelNode = convertToRawDrel(relBuilder.values(new String[] { MetastoreAnalyzeConstants.OK_FIELD_NAME, MetastoreAnalyzeConstants.SUMMARY_FIELD_NAME }, false, e.getMessage()).build());
        return new DrillScreenRel(convertedRelNode.getCluster(), convertedRelNode.getTraitSet(), convertedRelNode);
    }
    MetadataType metadataLevel = getMetadataType(sqlAnalyzeTable);
    List<SchemaPath> interestingColumns = sqlAnalyzeTable.getFieldNames();
    MetastoreTableInfo metastoreTableInfo = basicRequests.metastoreTableInfo(tableInfo);
    List<MetadataInfo> allMetaToHandle = null;
    List<MetadataInfo> metadataToRemove = new ArrayList<>();
    // whether incremental analyze may be produced
    if (metastoreTableInfo.isExists()) {
        RelNode finalRelNode = relNode;
        CheckedSupplier<TableScan, SqlUnsupportedException> tableScanSupplier = () -> DrillRelOptUtil.findScan(convertToDrel(finalRelNode.getInput(0)));
        MetadataInfoCollector metadataInfoCollector = analyzeInfoProvider.getMetadataInfoCollector(basicRequests, tableInfo, (FormatSelection) table.getSelection(), context.getPlannerSettings(), tableScanSupplier, interestingColumns, metadataLevel, segmentColumns.size());
        if (!metadataInfoCollector.isOutdated()) {
            DrillRel convertedRelNode = convertToRawDrel(relBuilder.values(new String[] { MetastoreAnalyzeConstants.OK_FIELD_NAME, MetastoreAnalyzeConstants.SUMMARY_FIELD_NAME }, false, "Table metadata is up to date, analyze wasn't performed.").build());
            return new DrillScreenRel(convertedRelNode.getCluster(), convertedRelNode.getTraitSet(), convertedRelNode);
        }
        // updates scan to read updated / new files, pass removed files into metadata handler
        relNode = relNode.copy(relNode.getTraitSet(), Collections.singletonList(metadataInfoCollector.getPrunedScan()));
        filesInfo = metadataInfoCollector.getFilesInfo();
        segments = metadataInfoCollector.getSegmentsInfo();
        rowGroupsInfo = metadataInfoCollector.getRowGroupsInfo();
        allMetaToHandle = metadataInfoCollector.getAllMetaToHandle();
        metadataToRemove = metadataInfoCollector.getMetadataToRemove();
    }
    // Step 2: constructs plan for producing analyze
    DrillRel convertedRelNode = convertToRawDrel(relNode);
    boolean createNewAggregations = true;
    // List of columns for which statistics should be collected: interesting columns + segment columns
    List<SchemaPath> statisticsColumns = interestingColumns == null ? null : new ArrayList<>(interestingColumns);
    if (statisticsColumns != null) {
        segmentColumns.stream().map(SchemaPath::getSimplePath).forEach(statisticsColumns::add);
    }
    SchemaPath locationField = analyzeInfoProvider.getLocationField(columnNamesOptions);
    if (analyzeInfoProvider.supportsMetadataType(MetadataType.ROW_GROUP) && metadataLevel.includes(MetadataType.ROW_GROUP)) {
        MetadataHandlerContext handlerContext = MetadataHandlerContext.builder().tableInfo(tableInfo).metadataToHandle(rowGroupsInfo).metadataType(MetadataType.ROW_GROUP).depthLevel(segmentExpressions.size()).segmentColumns(segmentColumns).build();
        convertedRelNode = getRowGroupAggRelNode(segmentExpressions, convertedRelNode, createNewAggregations, statisticsColumns, handlerContext);
        createNewAggregations = false;
        locationField = SchemaPath.getSimplePath(MetastoreAnalyzeConstants.LOCATION_FIELD);
    }
    if (analyzeInfoProvider.supportsMetadataType(MetadataType.FILE) && metadataLevel.includes(MetadataType.FILE)) {
        MetadataHandlerContext handlerContext = MetadataHandlerContext.builder().tableInfo(tableInfo).metadataToHandle(filesInfo).metadataType(MetadataType.FILE).depthLevel(segmentExpressions.size()).segmentColumns(segmentColumns).build();
        convertedRelNode = getFileAggRelNode(segmentExpressions, convertedRelNode, createNewAggregations, statisticsColumns, locationField, handlerContext);
        locationField = SchemaPath.getSimplePath(MetastoreAnalyzeConstants.LOCATION_FIELD);
        createNewAggregations = false;
    }
    if (analyzeInfoProvider.supportsMetadataType(MetadataType.SEGMENT) && metadataLevel.includes(MetadataType.SEGMENT)) {
        for (int i = segmentExpressions.size(); i > 0; i--) {
            MetadataHandlerContext handlerContext = MetadataHandlerContext.builder().tableInfo(tableInfo).metadataToHandle(new ArrayList<>(segments.get(i - 1))).metadataType(MetadataType.SEGMENT).depthLevel(i).segmentColumns(segmentColumns.subList(0, i)).build();
            convertedRelNode = getSegmentAggRelNode(segmentExpressions, convertedRelNode, createNewAggregations, statisticsColumns, locationField, i, handlerContext);
            locationField = SchemaPath.getSimplePath(MetastoreAnalyzeConstants.LOCATION_FIELD);
            createNewAggregations = false;
        }
    }
    if (analyzeInfoProvider.supportsMetadataType(MetadataType.TABLE) && metadataLevel.includes(MetadataType.TABLE)) {
        MetadataHandlerContext handlerContext = MetadataHandlerContext.builder().tableInfo(tableInfo).metadataToHandle(Collections.emptyList()).metadataType(MetadataType.TABLE).depthLevel(segmentExpressions.size()).segmentColumns(segmentColumns).build();
        convertedRelNode = getTableAggRelNode(convertedRelNode, createNewAggregations, statisticsColumns, locationField, handlerContext);
    } else {
        throw new IllegalStateException("Analyze table with NONE level");
    }
    boolean useStatistics = context.getOptions().getOption(PlannerSettings.STATISTICS_USE);
    SqlNumericLiteral samplePercentLiteral = sqlAnalyzeTable.getSamplePercent();
    double samplePercent = samplePercentLiteral == null ? 100.0 : samplePercentLiteral.intValue(true);
    // Step 3: adds rel nodes for producing statistics analyze if required
    RelNode analyzeRel = useStatistics ? new DrillAnalyzeRel(convertedRelNode.getCluster(), convertedRelNode.getTraitSet(), convertToRawDrel(relNode), samplePercent) : convertToRawDrel(relBuilder.values(new String[] { "" }, "").build());
    MetadataControllerContext metadataControllerContext = MetadataControllerContext.builder().tableInfo(tableInfo).metastoreTableInfo(metastoreTableInfo).location(((FormatSelection) table.getSelection()).getSelection().getSelectionRoot()).interestingColumns(interestingColumns).segmentColumns(segmentColumns).metadataToHandle(allMetaToHandle).metadataToRemove(metadataToRemove).analyzeMetadataLevel(metadataLevel).build();
    convertedRelNode = new MetadataControllerRel(convertedRelNode.getCluster(), convertedRelNode.getTraitSet(), convertedRelNode, analyzeRel, metadataControllerContext);
    return new DrillScreenRel(convertedRelNode.getCluster(), convertedRelNode.getTraitSet(), convertedRelNode);
}

Example 3 with DrillScreenRel

use of org.apache.drill.exec.planner.logical.DrillScreenRel in project drill by apache.

the class CreateTableHandler method convertToDrel.

private DrillRel convertToDrel(RelNode relNode, AbstractSchema schema, String tableName, List<String> partitionColumns, RelDataType queryRowType, StorageStrategy storageStrategy) throws RelConversionException, SqlUnsupportedException {
    final DrillRel convertedRelNode = convertToRawDrel(relNode);
    // Put a non-trivial topProject to ensure the final output field name is preserved, when necessary.
    // Only insert project when the field count from the child is same as that of the queryRowType.
    final DrillRel topPreservedNameProj = queryRowType.getFieldCount() == convertedRelNode.getRowType().getFieldCount() ? addRenamedProject(convertedRelNode, queryRowType) : convertedRelNode;
    final RelTraitSet traits = convertedRelNode.getCluster().traitSet().plus(DrillRel.DRILL_LOGICAL);
    final DrillWriterRel writerRel = new DrillWriterRel(convertedRelNode.getCluster(), traits, topPreservedNameProj, schema.createNewTable(tableName, partitionColumns, storageStrategy));
    return new DrillScreenRel(writerRel.getCluster(), writerRel.getTraitSet(), writerRel);
}

Example 4 with DrillScreenRel

use of org.apache.drill.exec.planner.logical.DrillScreenRel in project drill by apache.

the class AnalyzeTableHandler method convertToDrel.

/* Converts to Drill logical plan */
protected DrillRel convertToDrel(RelNode relNode, AbstractSchema schema, String analyzeTableName, double samplePercent) throws SqlUnsupportedException {
    DrillRel convertedRelNode = convertToRawDrel(relNode);
    final RelNode analyzeRel = new DrillAnalyzeRel(convertedRelNode.getCluster(), convertedRelNode.getTraitSet(), convertedRelNode, samplePercent);
    final RelNode writerRel = new DrillWriterRel(analyzeRel.getCluster(), analyzeRel.getTraitSet(), analyzeRel, schema.appendToStatsTable(analyzeTableName));
    return new DrillScreenRel(writerRel.getCluster(), writerRel.getTraitSet(), writerRel);
}

Example 5 with DrillScreenRel

use of org.apache.drill.exec.planner.logical.DrillScreenRel in project drill by axbaretto.

the class CreateTableHandler method convertToDrel.

private DrillRel convertToDrel(RelNode relNode, AbstractSchema schema, String tableName, List<String> partitionColumns, RelDataType queryRowType, StorageStrategy storageStrategy) throws RelConversionException, SqlUnsupportedException {
    final DrillRel convertedRelNode = convertToRawDrel(relNode);
    // Put a non-trivial topProject to ensure the final output field name is preserved, when necessary.
    // Only insert project when the field count from the child is same as that of the queryRowType.
    final DrillRel topPreservedNameProj = queryRowType.getFieldCount() == convertedRelNode.getRowType().getFieldCount() ? addRenamedProject(convertedRelNode, queryRowType) : convertedRelNode;
    final RelTraitSet traits = convertedRelNode.getCluster().traitSet().plus(DrillRel.DRILL_LOGICAL);
    final DrillWriterRel writerRel = new DrillWriterRel(convertedRelNode.getCluster(), traits, topPreservedNameProj, schema.createNewTable(tableName, partitionColumns, storageStrategy));
    return new DrillScreenRel(writerRel.getCluster(), writerRel.getTraitSet(), writerRel);
}