Examples with TableFinishNode io.prestosql.sql.planner.plan.TableFinishNode used on opensource projects

Example 1 with TableFinishNode

use of io.prestosql.sql.planner.plan.TableFinishNode in project hetu-core by openlookeng.

the class LogicalPlanner method createTableWriterPlan.

private RelationPlan createTableWriterPlan(Analysis analysis, RelationPlan plan, WriterTarget target, List<String> columnNames, Optional<NewTableLayout> writeTableLayout, TableStatisticsMetadata statisticsMetadata) {
    PlanNode source = plan.getRoot();
    if (!analysis.isCreateTableAsSelectWithData()) {
        source = new LimitNode(idAllocator.getNextId(), source, 0L, false);
    }
    // todo this should be checked in analysis
    writeTableLayout.ifPresent(layout -> {
        if (!ImmutableSet.copyOf(columnNames).containsAll(layout.getPartitionColumns())) {
            throw new PrestoException(NOT_SUPPORTED, "INSERT must write all distribution columns: " + layout.getPartitionColumns());
        }
    });
    List<Symbol> symbols = plan.getFieldMappings();
    Optional<PartitioningScheme> partitioningScheme = Optional.empty();
    if (writeTableLayout.isPresent()) {
        List<Symbol> partitionFunctionArguments = new ArrayList<>();
        writeTableLayout.get().getPartitionColumns().stream().mapToInt(columnNames::indexOf).mapToObj(symbols::get).forEach(partitionFunctionArguments::add);
        List<Symbol> outputLayout = new ArrayList<>(symbols);
        PartitioningHandle partitioningHandle = writeTableLayout.get().getPartitioning().orElse(FIXED_HASH_DISTRIBUTION);
        partitioningScheme = Optional.of(new PartitioningScheme(Partitioning.create(partitioningHandle, partitionFunctionArguments), outputLayout));
    }
    if (!statisticsMetadata.isEmpty()) {
        verify(columnNames.size() == symbols.size(), "columnNames.size() != symbols.size(): %s and %s", columnNames, symbols);
        Map<String, Symbol> columnToSymbolMap = zip(columnNames.stream(), symbols.stream(), SimpleImmutableEntry::new).collect(toImmutableMap(Entry::getKey, Entry::getValue));
        TableStatisticAggregation result = statisticsAggregationPlanner.createStatisticsAggregation(statisticsMetadata, columnToSymbolMap);
        StatisticAggregations.Parts aggregations = result.getAggregations().createPartialAggregations(planSymbolAllocator, metadata);
        // partial aggregation is run within the TableWriteOperator to calculate the statistics for
        // the data consumed by the TableWriteOperator
        // final aggregation is run within the TableFinishOperator to summarize collected statistics
        // by the partial aggregation from all of the writer nodes
        StatisticAggregations partialAggregation = aggregations.getPartialAggregation();
        PlanNode writerNode = new TableWriterNode(idAllocator.getNextId(), source, target, planSymbolAllocator.newSymbol("partialrows", BIGINT), planSymbolAllocator.newSymbol("fragment", VARBINARY), symbols, columnNames, partitioningScheme, Optional.of(partialAggregation), Optional.of(result.getDescriptor().map(aggregations.getMappings()::get)));
        TableFinishNode commitNode = new TableFinishNode(idAllocator.getNextId(), writerNode, target, planSymbolAllocator.newSymbol("rows", BIGINT), Optional.of(aggregations.getFinalAggregation()), Optional.of(result.getDescriptor()));
        return new RelationPlan(commitNode, analysis.getRootScope(), commitNode.getOutputSymbols());
    }
    TableFinishNode commitNode = new TableFinishNode(idAllocator.getNextId(), new TableWriterNode(idAllocator.getNextId(), source, target, planSymbolAllocator.newSymbol("partialrows", BIGINT), planSymbolAllocator.newSymbol("fragment", VARBINARY), symbols, columnNames, partitioningScheme, Optional.empty(), Optional.empty()), target, planSymbolAllocator.newSymbol("rows", BIGINT), Optional.empty(), Optional.empty());
    return new RelationPlan(commitNode, analysis.getRootScope(), commitNode.getOutputSymbols());
}

Example 2 with TableFinishNode

use of io.prestosql.sql.planner.plan.TableFinishNode in project hetu-core by openlookeng.

the class PushDeleteAsInsertIntoConnector method apply.

@Override
public Result apply(TableFinishNode node, Captures captures, Context context) {
    if (!withFilter) {
        TableScanNode tableScan = captures.get(TABLE_SCAN);
        return metadata.applyDelete(context.getSession(), tableScan.getTable()).map(newHandle -> new TableDeleteNode(context.getIdAllocator().getNextId(), newHandle, getOnlyElement(node.getOutputSymbols()))).map(Result::ofPlanNode).orElseGet(Result::empty);
    }
    TableWriterNode writerNode = captures.get(WRITER_NODE);
    TableWriterNode.DeleteAsInsertReference deleteTargetRef = (TableWriterNode.DeleteAsInsertReference) writerNode.getTarget();
    if (!deleteTargetRef.getConstraint().isPresent()) {
        // Not expected to reach here.
        return Result.empty();
    }
    Expression predicate = deleteTargetRef.getConstraint().get();
    Expression filtered = ExpressionUtils.filterDeterministicConjuncts(predicate);
    if (!predicate.equals(filtered)) {
        // There were some non-deterministic filters.. so cannot directly delete
        return Result.empty();
    }
    Set<Symbol> allPredicateSymbols = SymbolsExtractor.extractUnique(predicate);
    Map<Symbol, ColumnHandle> columnAssignments = deleteTargetRef.getColumnAssignments();
    Set<Symbol> allColumns = columnAssignments.keySet();
    List<Symbol> predicateColumnSymbols = allPredicateSymbols.stream().filter(allColumns::contains).distinct().collect(Collectors.toList());
    // If all predicate symbols are partitionColumns, then only partition can be deleted directly.
    if (predicateColumnSymbols.isEmpty() || !predicateColumnSymbols.stream().allMatch(symbol -> {
        ColumnHandle columnHandle = columnAssignments.get(symbol);
        return columnHandle != null && columnHandle.isPartitionKey();
    })) {
        return Result.empty();
    }
    FilterNode filterNode = captures.get(FILTER);
    List<Symbol> nonTableSymbols = allPredicateSymbols.stream().filter(symbol -> !allColumns.contains(symbol)).collect(Collectors.toList());
    PredicateContext predicateContext = new PredicateContext();
    PlanNode rewrittenSource = SimplePlanRewriter.rewriteWith(new ReWriter(columnAssignments.keySet(), nonTableSymbols, context.getLookup(), logicalRowExpressions), filterNode, predicateContext);
    /**
     * Create the TableDeleteNode with source to evaluate the predicate subqueries
     */
    TableDeleteNode tableDeleteNode = new TableDeleteNode(context.getIdAllocator().getNextId(), rewrittenSource, Optional.of(predicateContext.tablePredicate), deleteTargetRef.getHandle(), deleteTargetRef.getColumnAssignments(), getOnlyElement(node.getOutputSymbols()));
    return Result.ofPlanNode(tableDeleteNode);
}

Example 3 with TableFinishNode

use of io.prestosql.sql.planner.plan.TableFinishNode in project hetu-core by openlookeng.

the class LogicalPlanner method createDeletePlan.

private RelationPlan createDeletePlan(Analysis analysis, Delete node) {
    TableHandle handle = analysis.getTableHandle(node.getTable());
    if (handle.getConnectorHandle().isDeleteAsInsertSupported()) {
        QueryPlanner.UpdateDeleteRelationPlan deletePlan = new QueryPlanner(analysis, planSymbolAllocator, idAllocator, buildLambdaDeclarationToSymbolMap(analysis, planSymbolAllocator), metadata, session, namedSubPlan, uniqueIdAllocator).planDeleteRowAsInsert(node);
        RelationPlan plan = deletePlan.getPlan();
        Optional<NewTableLayout> newTableLayout = metadata.getUpdateLayout(session, handle);
        TableMetadata tableMetadata = metadata.getTableMetadata(session, handle);
        String catalogName = handle.getCatalogName().getCatalogName();
        Optional<Expression> constraint = deletePlan.getPredicate().isPresent() ? Optional.of(OriginalExpressionUtils.castToExpression(deletePlan.getPredicate().get())) : Optional.empty();
        // Skip statistics collection for delete,
        // because stats collection for delete seems to corrupt existing statistics
        TableStatisticsMetadata statisticsMetadata = TableStatisticsMetadata.empty();
        return createTableWriterPlan(analysis, plan, new TableWriterNode.DeleteAsInsertReference(handle, constraint, deletePlan.getColumnAssignments()), deletePlan.getColumNames(), newTableLayout, statisticsMetadata);
    } else {
        DeleteNode deleteNode = new QueryPlanner(analysis, planSymbolAllocator, idAllocator, buildLambdaDeclarationToSymbolMap(analysis, planSymbolAllocator), metadata, session, namedSubPlan, uniqueIdAllocator).plan(node);
        TableFinishNode commitNode = new TableFinishNode(idAllocator.getNextId(), deleteNode, deleteNode.getTarget(), planSymbolAllocator.newSymbol("rows", BIGINT), Optional.empty(), Optional.empty());
        return new RelationPlan(commitNode, analysis.getScope(node), commitNode.getOutputSymbols());
    }
}

Example 4 with TableFinishNode

use of io.prestosql.sql.planner.plan.TableFinishNode in project hetu-core by openlookeng.

the class LogicalPlanner method createVacuumWriterPlan.

private RelationPlan createVacuumWriterPlan(Analysis analysis, TableHandle handle, VacuumTable node, WriterTarget target, List<Symbol> symbols, List<String> columnNames, TableStatisticsMetadata statisticsMetadata) {
    Optional<StatisticAggregations> statisticsAggregation = Optional.empty();
    Optional<StatisticAggregationsDescriptor<Symbol>> statisticsAggregationDescriptor = Optional.empty();
    Optional<StatisticAggregations> finalStatisticsAggregation = Optional.empty();
    Optional<StatisticAggregationsDescriptor<Symbol>> finalStatisticsAggregationDescriptor = Optional.empty();
    if (!statisticsMetadata.isEmpty()) {
        verify(columnNames.size() == symbols.size(), "columnNames.size() != symbols.size(): %s and %s", columnNames, symbols);
        Map<String, Symbol> columnToSymbolMap = zip(columnNames.stream(), symbols.stream(), SimpleImmutableEntry::new).collect(toImmutableMap(Entry::getKey, Entry::getValue));
        TableStatisticAggregation result = statisticsAggregationPlanner.createStatisticsAggregation(statisticsMetadata, columnToSymbolMap);
        StatisticAggregations.Parts aggregations = result.getAggregations().createPartialAggregations(planSymbolAllocator, metadata);
        // partial aggregation is run within the VacuumTableOperator to calculate the statistics for
        // the data consumed by the VacuumTableOperator
        // final aggregation is run within the TableFinishOperator to summarize collected statistics
        // by the partial aggregation from all of the writer nodes
        statisticsAggregation = Optional.of(aggregations.getPartialAggregation());
        statisticsAggregationDescriptor = Optional.of(result.getDescriptor().map(aggregations.getMappings()::get));
        finalStatisticsAggregation = Optional.of(aggregations.getFinalAggregation());
        finalStatisticsAggregationDescriptor = Optional.of(result.getDescriptor());
    }
    VacuumTableNode vacuumTableNode = new VacuumTableNode(idAllocator.getNextId(), handle, target, planSymbolAllocator.newSymbol("partialrows", BIGINT), planSymbolAllocator.newSymbol("fragment", VARBINARY), node.getPartition().orElse(""), node.isFull(), symbols, statisticsAggregation, statisticsAggregationDescriptor);
    TableFinishNode commitNode = new TableFinishNode(idAllocator.getNextId(), vacuumTableNode, target, planSymbolAllocator.newSymbol("rows", BIGINT), finalStatisticsAggregation, finalStatisticsAggregationDescriptor);
    return new RelationPlan(commitNode, analysis.getRootScope(), commitNode.getOutputSymbols());
}

Example 5 with TableFinishNode

use of io.prestosql.sql.planner.plan.TableFinishNode in project hetu-core by openlookeng.

the class LogicalPlanner method createUpdatePlan.

private RelationPlan createUpdatePlan(Analysis analysis, Update node) {
    TableHandle handle = analysis.getTableHandle(node.getTable());
    if (handle.getConnectorHandle().isUpdateAsInsertSupported()) {
        QueryPlanner.UpdateDeleteRelationPlan updatePlan = new QueryPlanner(analysis, planSymbolAllocator, idAllocator, buildLambdaDeclarationToSymbolMap(analysis, planSymbolAllocator), metadata, session, namedSubPlan, uniqueIdAllocator).planUpdateRowAsInsert(node);
        RelationPlan plan = updatePlan.getPlan();
        Analysis.Update update = analysis.getUpdate().get();
        TableMetadata tableMetadata = metadata.getTableMetadata(session, update.getTarget());
        Optional<NewTableLayout> newTableLayout = metadata.getUpdateLayout(session, update.getTarget());
        String catalogName = update.getTarget().getCatalogName().getCatalogName();
        TableStatisticsMetadata statisticsMetadata = metadata.getStatisticsCollectionMetadataForWrite(session, catalogName, tableMetadata.getMetadata());
        Optional<Expression> constraint = updatePlan.getPredicate().isPresent() ? Optional.of(OriginalExpressionUtils.castToExpression(updatePlan.getPredicate().get())) : Optional.empty();
        return createTableWriterPlan(analysis, plan, new TableWriterNode.UpdateReference(update.getTarget(), constraint, updatePlan.getColumnAssignments()), updatePlan.getColumNames(), newTableLayout, statisticsMetadata);
    }
    UpdateNode updateNode = new QueryPlanner(analysis, planSymbolAllocator, idAllocator, buildLambdaDeclarationToSymbolMap(analysis, planSymbolAllocator), metadata, session, namedSubPlan, uniqueIdAllocator).plan(node);
    TableFinishNode commitNode = new TableFinishNode(idAllocator.getNextId(), updateNode, updateNode.getTarget(), planSymbolAllocator.newSymbol("rows", BIGINT), Optional.empty(), Optional.empty());
    return new RelationPlan(commitNode, analysis.getScope(node), commitNode.getOutputSymbols());
}