Package com.facebook.presto.sql.planner.plan

Examples of com.facebook.presto.sql.planner.plan.TableScanNode

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                ColumnHandle aliasedColumnHandle = lookupColumns.get(originalColumn.getName());
                checkState(aliasedColumnHandle != null, "no matching column for original column %s found!", originalColumn);
                newAssignmentsBuilder.put(assignmentEntry.getKey(), aliasedColumnHandle);
            }

            return new TableScanNode(node.getId(), aliasTableHandle.get(), node.getOutputSymbols(), newAssignmentsBuilder.build(), node.getPartitionPredicate(), node.getUpstreamPredicateHint());
        }
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        for (PlanNode sourceNode : subplan.getFragment().getSources()) {
            if (sourceNode instanceof ValuesNode) {
                continue;
            }

            TableScanNode tableScan = (TableScanNode) sourceNode;

            SplitSource splitSource = splitManager.getPartitionSplits(tableScan.getTable(), getPartitions(tableScan));

            ImmutableSet.Builder<ScheduledSplit> scheduledSplits = ImmutableSet.builder();
            while (!splitSource.isFinished()) {
                try {
                    for (Split split : splitSource.getNextBatch(1000)) {
                        scheduledSplits.add(new ScheduledSplit(sequenceId++, split));
                    }
                }
                catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    throw Throwables.propagate(e);
                }
            }

            sources.add(new TaskSource(tableScan.getId(), scheduledSplits.build(), true));
        }

        // create drivers
        List<Driver> drivers = new ArrayList<>();
        Map<PlanNodeId, Driver> driversBySource = new HashMap<>();
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            PlanNode output = node;
            if (!node.getGeneratedPartitions().equals(Optional.of(generatedPartitions))) {
                // Only overwrite the originalConstraint if it was previously null
                Expression originalConstraint = node.getOriginalConstraint() == null ? inheritedPredicate : node.getOriginalConstraint();
                output = new TableScanNode(node.getId(), node.getTable(), node.getOutputSymbols(), node.getAssignments(), originalConstraint, Optional.of(generatedPartitions));
            }
            if (!postScanPredicate.equals(BooleanLiteral.TRUE_LITERAL)) {
                output = new FilterNode(idAllocator.getNextId(), output, postScanPredicate);
            }
            return output;
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        // table scan with splitCount splits
        Split split = new DualSplit(HostAddress.fromString("127.0.0.1"));
        PlanNodeId tableScanNodeId = new PlanNodeId(planId);
        PlanFragment testFragment = new PlanFragment(
                new PlanFragmentId(planId),
                new TableScanNode(
                        tableScanNodeId,
                        tableHandle,
                        ImmutableList.of(symbol),
                        ImmutableMap.of(symbol, columnHandle),
                        null,
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            Expression originalConstraint = null;
            if (node.getOriginalConstraint() != null) {
                originalConstraint = canonicalize(node.getOriginalConstraint());
            }
            return new TableScanNode(node.getId(), node.getTable(), canonicalize(node.getOutputSymbols()), builder.build(), originalConstraint, node.getGeneratedPartitions());
        }
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            PlanNode output = node;
            if (!node.getGeneratedPartitions().equals(Optional.of(generatedPartitions))) {
                // Only overwrite the originalConstraint if it was previously null
                Expression originalConstraint = node.getOriginalConstraint() == null ? inheritedPredicate : node.getOriginalConstraint();
                output = new TableScanNode(node.getId(), node.getTable(), node.getOutputSymbols(), node.getAssignments(), originalConstraint, Optional.of(generatedPartitions));
            }
            if (!postScanPredicate.equals(BooleanLiteral.TRUE_LITERAL)) {
                output = new FilterNode(idAllocator.getNextId(), output, postScanPredicate);
            }
            return output;
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                Set<Symbol> requiredPartitionDomainSymbols = Maps.filterValues(node.getAssignments(), Predicates.in(node.getPartitionsDomainSummary().getDomains().keySet())).keySet();
                requiredAssignmentSymbols = Sets.union(requiredTableScanOutputs, requiredPartitionDomainSymbols);
            }
            Map<Symbol, ColumnHandle> newAssignments = Maps.filterKeys(node.getAssignments(), in(requiredAssignmentSymbols));

            return new TableScanNode(node.getId(), node.getTable(), newOutputSymbols, newAssignments, node.getOriginalConstraint(), node.getGeneratedPartitions());
        }
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                columnHandleBuilder.add(targetColumnHandle);
                outputSymbolsBuilder.add(symbol);
            }

            ImmutableList<Symbol> outputSymbols = outputSymbolsBuilder.build();
            plan = new RelationPlan(new TableScanNode(idAllocator.getNextId(), sourceTableHandle, outputSymbols, inputColumnsBuilder.build(), null, Optional.<GeneratedPartitions>absent()), new TupleDescriptor(fields.build()), outputSymbols);

            targetColumnHandles = columnHandleBuilder.build();
        }
        else {
            RelationPlanner planner = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session);
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            Map<Symbol, Input> sourceLayout;
            Map<Input, Type> sourceTypes;
            List<ColumnHandle> columns = null;
            PhysicalOperation source = null;
            if (sourceNode instanceof TableScanNode) {
                TableScanNode tableScanNode = (TableScanNode) sourceNode;

                // extract the column handles and input to type mapping
                sourceLayout = new LinkedHashMap<>();
                sourceTypes = new LinkedHashMap<>();
                columns = new ArrayList<>();
                int channel = 0;
                for (Symbol symbol : tableScanNode.getOutputSymbols()) {
                    columns.add(tableScanNode.getAssignments().get(symbol));

                    Input input = new Input(channel, 0);
                    sourceLayout.put(symbol, input);

                    Type type = checkNotNull(context.getTypes().get(symbol), "No type for symbol %s", symbol);
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            outputSymbolsBuilder.add(symbol);
            columns.put(symbol, analysis.getColumn(field));
        }

        ImmutableList<Symbol> outputSymbols = outputSymbolsBuilder.build();
        return new RelationPlan(new TableScanNode(idAllocator.getNextId(), handle, outputSymbols, columns.build(), null, Optional.<GeneratedPartitions>absent()), descriptor, outputSymbols);
    }
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Related Classes of com.facebook.presto.sql.planner.plan.TableScanNode

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  • com.facebook.presto.execution.TestSqlStageExecution
  • com.facebook.presto.execution.TestSqlTaskExecution
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  • com.facebook.presto.spi.TupleDomain
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  • com.facebook.presto.sql.planner.optimizations.CanonicalizeExpressions$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PredicatePushDown$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PruneUnreferencedOutputs$Rewriter
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