Examples of com.facebook.presto.sql.tree.Input

com.facebook.presto.sql.tree.Input
Represents a reference to a field in a physical execution plan
TODO: This class belongs to the execution engine and should not be in this package.


            // inputs from build side of the join are laid out following the input from the probe side,
            // so adjust the channel ids but keep the field layouts intact
            int offset = probeSource.getTupleInfos().size();
            for (Map.Entry<Symbol, Input> entry : buildSource.getLayout().entrySet()) {
                Input input = entry.getValue();
                outputMappings.put(entry.getKey(), new Input(offset + input.getChannel()));
            }


            OperatorFactory operator = createJoinOperator(node.getType(), hashSupplier, probeSource.getTupleInfos(), probeChannels, context);
            return new PhysicalOperation(operator, outputMappings.build(), probeSource);
        }

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            context.addDriverFactory(buildDriverFactory);


            // Source channels are always laid out first, followed by the boolean output symbol
            Map<Symbol, Input> outputMappings = ImmutableMap.<Symbol, Input>builder()
                    .putAll(probeSource.getLayout())
                    .put(node.getSemiJoinOutput(), new Input(probeSource.getLayout().size()))
                    .build();


            HashSemiJoinOperatorFactory operator = new HashSemiJoinOperatorFactory(context.getNextOperatorId(), setProvider, probeSource.getTupleInfos(), probeChannel);
            return new PhysicalOperation(operator, outputMappings, probeSource);
        }

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            // create the table writer
            RecordSink recordSink = recordSinkManager.getRecordSink(node.getTarget());
            OperatorFactory operatorFactory = new TableWriterOperatorFactory(context.getNextOperatorId(), recordSink);


            Map<Symbol, Input> layout = ImmutableMap.<Symbol, Input>builder()
                    .put(node.getOutputSymbols().get(0), new Input(0))
                    .put(node.getOutputSymbols().get(1), new Input(1))
                    .build();


            return new PhysicalOperation(operatorFactory, layout, source);
        }

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            context.setInputDriver(false);


            List<Symbol> layout = node.getOutputSymbols();
            ImmutableMap.Builder<Symbol, Input> outputMappings = ImmutableMap.builder();
            for (int i = 0; i < layout.size(); i++) {
                outputMappings.put(layout.get(i), new Input(i));
            }


            // add exchange source as first operator in the current context
            OperatorFactory factory = new InMemoryExchangeSourceOperatorFactory(context.getNextOperatorId(), exchange);
            return new PhysicalOperation(factory, outputMappings.build());

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        public PhysicalOperation visitTableCommit(TableCommitNode node, LocalExecutionPlanContext context)
        {
            PhysicalOperation source = node.getSource().accept(this, context);


            OperatorFactory operatorFactory = new TableCommitOperatorFactory(context.getNextOperatorId(), createTableCommitter(node, metadata));
            Map<Symbol, Input> layout = ImmutableMap.of(node.getOutputSymbols().get(0), new Input(0));


            return new PhysicalOperation(operatorFactory, layout, source);
        }

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                    node.getId(),
                    storageManager,
                    nodeInfo.getNodeId(),
                    columns.build());


            return new PhysicalOperation(operator, ImmutableMap.of(outputSymbol, new Input(0)), source);
        }

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            context.setInputDriver(false);


            ImmutableMap.Builder<Symbol, Input> outputMappings = ImmutableMap.builder();
            int channel = 0;
            for (Symbol symbol : node.getOutputSymbols()) {
                outputMappings.put(symbol, new Input(channel)); // one symbol per channel
                channel++;
            }


            return new PhysicalOperation(new InMemoryExchangeSourceOperatorFactory(context.getNextOperatorId(), inMemoryExchange), outputMappings.build());
        }

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            List<AggregationFunctionDefinition> functionDefinitions = new ArrayList<>();
            for (Map.Entry<Symbol, FunctionCall> entry : node.getAggregations().entrySet()) {
                Symbol symbol = entry.getKey();


                functionDefinitions.add(buildFunctionDefinition(source, node.getFunctions().get(symbol), entry.getValue(), node.getMasks().get(entry.getKey())));
                outputMappings.put(symbol, new Input(outputChannel)); // one aggregation per channel
                outputChannel++;
            }


            OperatorFactory operatorFactory = new AggregationOperatorFactory(operatorId, node.getStep(), functionDefinitions);
            return new PhysicalOperation(operatorFactory, outputMappings.build(), source);

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            ImmutableMap.Builder<Symbol, Input> outputMappings = ImmutableMap.builder();
            // add group-by key fields each in a separate channel
            int channel = 0;
            for (Symbol symbol : groupBySymbols) {
                outputMappings.put(symbol, new Input(channel));
                channel++;
            }


            // aggregations go in following channels
            for (Symbol symbol : aggregationOutputSymbols) {
                outputMappings.put(symbol, new Input(channel));
                channel++;
            }


            List<Integer> groupByChannels = ImmutableList.copyOf(getChannelsForSymbols(groupBySymbols, source.getLayout()));
            List<TupleInfo> groupByTupleInfos = ImmutableList.copyOf(Iterables.transform(groupByChannels, new Function<Integer, TupleInfo>()

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        int channel = 0;
        for (Symbol symbol : symbols) {
            ProjectionFunction function = ProjectionFunctions.singleColumn(types.get(symbol).getRawType(), inputLayout.get(symbol));
            projections.add(function);
            if (!outputMappings.containsKey(symbol)) {
                outputMappings.put(symbol, new Input(channel));
                channel++;
            }
        }


        return new IdentityProjectionInfo(ImmutableMap.copyOf(outputMappings), projections);

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